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³±±±±±±±±±±±±±±± California Division of Mines & Geology ONLINE ±±±±±±±±±±±±±±±³
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  DISCLAIMER -- THIS IS NOT AN EARTHQUAKE PREDICTION OR WARNING!  
                                                                  

  The commentary provided with these map(s) is for INFORMATIONAL
  USE ONLY, and SHOULD NOT be construed as an earthquake prediction,
  warning, or advisory.  Responsibility for such warnings rests with
  the Office of Emergency Services of the State of California.

           PLEASE REMEMBER -- THESE ARE PRELIMINARY DATA

  Releasing these summaries on a timely basis requires that the
  data, analysis, and interpretations presented are PRELIMINARY. Of
  necessity they can only reflect the views of the seismologists who
  prepared them, and DO NOT carry the endorsement of the U.S.G.S.
  Thus while every effort is made to ensure that the information is
  accurate, nothing contained in this report is to be construed as
  and earthquake prediction, warning, advisory, or official policy
  statement of any kind, of the U.S. Geological Survey, or the
  U.S. Government.

              FOR QUESTIONS CONCERNING THIS REPORT
           Send e-mail to michael@andreas.wr.usgs.gov.


           Seismicity Report for Northern California,
           the Nation, and the World for the week of
                  September 22 - 28 , 1994

                  Data and text prepared by
               Steve Walter and Barry Hirshorn
                   U.S. Geological Survey
      345 Middlefield Rd.  MS-977, Menlo Park, CA  94025
                  Graphics by Quentin Lindh

San Francisco Bay Area    

   Another quiet week in the Bay Area with activity similar to that of the
previous week.  For the seven-day period ending at midnight on Wednesday,
September 28, 1994 the U.S. Geological Survey office in Menlo Park
recorded 19 earthquakes of magnitude one (M1) and greater within the San
Francisco Bay area shown in Figure 1. Of these, three were as large as
M2.0 including a M3.2 southeast of Hollister.  This total compares to 19
earthquakes during the previous seven-day period (September 15 - 21), five
of which were as large as M2.
   The M3.2 occurred Tuesday morning on the creeping segment of the San
Andreas about eleven miles east-southeast of Hollister (#5 in figure 1).
The most recent earthquake of this size in this area was a M3.0 last
February 17.
   The Calaveras fault continued to be comparatively quiet with only about
half a dozen earthquakes as large as M1.  Largest of these was a M2.3
Sunday afternoon that was located about 11 miles north of Morgan Hill
(#3/1).  This is the fifth week in a row that an earthquake as large as M2
has occurred in this location.
   The only other earthquake as large as M2 was a M2.3 Monday morning on
the central Concord fault (#4/1).  A similar sized earthquake occurred in
nearly the same location on August 20.


Northern & Central California

   A fairly quiet week except for a couple of active aftershock sequences.
The aftershocks kept popping off in both the Markleeville area and along
the Mendocino fracture zone.  Most active was the Markleeville area where
over 50 aftershocks as large as M2 occurred including twelve M3 events
(#4/2).  These are aftershocks to a M6.0 mainshock on September 12.
Activity along the Mendocino transform continued to decrease nearly a
month after the M7.0 occurred 100 miles off the coast.  Although many
aftershocks were recorded during the week along the transform, none were
as large as M3 (#1/2).
  Instead, a couple of M3 events occurred onshore from the coast.  First
was a M3.1 last Thursday evening that was felt in the Redding area (#2/2).
This is the largest earthquake in the Redding area since a pair of M3's
occurred northwest of the town in early March of this year.  Early Tuesday
morning a M3.7 occurred south of Eureka (#6/2).  With a focal depth of 28
km, it was clearly related to the subduction of the Gorda Plate beneath
the leading edge of the North American continent.  Interestingly, a
slightly smaller subuction earthquake occurred farther east the previous
morning (#5/2).  This quake had a focal depth of 32 km and occurred close
to where the dip of the seismogenic zone steepens from ~15 degrees to ~25
degrees.  The seismogenic zone (and presumably the subducting plate that
it represents) maintains this angle as far as the eastern side of the
Sacramento Valley where earthquakes have been observed with focal depths
of nearly 90 km.
   The only other earthquakes of note in the region were a M2.3 on the
Rogers Creek fault north of Santa Rosa (#3/2) and a M3.1 along the western
edge of the San Joaquin Valley just ten miles northwest of Los Banos
(#7/2).

Long Valley Caldera

   A fairly quiet week at Long Valley as well with just two earthquakes as
large as M2 within the caldera.  The first was a M2.5 that occurred last
Sunday afternoon beneath south side of the town of Mammoth Lakes (#1/3).
A slightly smaller M2.1 followed early Tuesday about a mile farther south
(#2/3).
   The region south of the caldera remained quiet with no events as large
as M2.

USA Seismicity (September 18 - 28)

   Several notable earthquakes occurred in the lower 48 states during the
past week, according to data provided by the National Earthquake
Information Center in Golden, CO.  Largest of these was a Mb4.1 along the
north shore of the St. Lawrence River in the Canadian province of Quebec
(#4/4).  The quake was felt strongly in the Charlevoix region and, less
strongly, in the Saguenay region, as well as in the northern New
Brunswick/northern Maine area.
   Also widely felt was a M3.6 in the New Madrid region (#5/4).   The
small temblor occurred Monday morning beneath western Kentucky and was
felt in the Paducah-Hickman areas and in the Mound City area, Illinois.
   A M3.8 in the Yellowstone region, Wyoming was felt most strongly at
Artist Point (#3/4). Other earthquakes of note include a M3.1 in the
Diamond Valley area of north-central Nevada (#1/4) and a M2.9 occurred
along the Washington/Oregon border east of the John Day dam (#2/4).

The Planet Earth  (September 18 - 28)

   The only earthquake large enough to be considered 'large' was a M6.0
beneath the Bismark Sea (#3/5).  Moderate earthquakes included a pair of
M5.0's east of the Japanese Island of Honshu (#1/5), a Mb5.2 in Qinghai,
China (#4/5), a M5.2 in western Iran (#2/5), and a pair of M5's in the
southern Java Sea, about 250 km northeast of Jakarta (#5/5).

Table 1. Northern & Central California Seismicity (M>1.0)

--ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH  N N RMS ERH ERZ       DUR
YR MON DA HRMN  SEC  DEG MIN  DEG  MIN    KM  RD S SEC  KM  KM REMKS MAG

94 SEP 22  714  6.47 37 59.37 122 21.35  4.76 12   .13  .4 1.4 HAY   1.3
94 SEP 22  839 42.94 40 16.05 124 27.82 20.44  7   .09 3.8  .6 MEN   1.4
94 SEP 22  918 15.30 37 18.35 121 40.58  6.04 34   .07  .2  .5 SFL   1.5
94 SEP 22  954 26.07 38 45.10 119 52.97  0.05 11   .20 6.3 2.6 WAK * 2.7
94 SEP 22 1107 48.11 36 37.33 121 13.86  5.73 27   .04  .2  .6 STN   1.4

94 SEP 22 1113 58.25 39 29.07 123 19.00  6.74 11 1 .07  .4  .7 MAA   1.4
94 SEP 22 1152 38.19 38 48.79 122 48.51  4.73 19   .14  .4  .7 GEY   1.6
94 SEP 22 1203 20.82 38 49.22 122 48.95  1.48 13   .07  .3  .6 GEY   1.4
94 SEP 22 1205 30.55 37 35.74 118 29.11  8.98 27 2 .09  .3  .8 CHV   1.5
94 SEP 22 1259  1.11 37 32.45 121 54.98  9.50 16 2 .12  .4  .6 MIS   1.2

94 SEP 22 1400 42.66 36  7.18 120 13.55  9.26 15 1 .11 1.4 1.3 COA   2.0
94 SEP 22 1440 20.44 39 14.70 122 43.55  4.60  9   .14  .6 2.7 BAR   1.6
94 SEP 22 1451 58.02 38 49.00 122 46.77  2.47  9   .08  .4  .7 GEY   1.2
94 SEP 22 1505 38.58 38 48.38 122 46.01  2.67  7   .03  .3  .7 GEY   1.1
94 SEP 22 1523 25.26 38 48.34 122 46.08  2.77 11   .04  .3  .6 GEY   1.2

94 SEP 22 1609  7.79 38 51.22 122 58.40  4.74 17   .08  .3  .6 MAA   1.7
94 SEP 22 1644 54.11 37 54.52 122 17.15  5.67  9 1 .19  .6 1.3 HAY   1.6
94 SEP 22 1720 37.67 38 49.25 122 47.63  3.63  7   .08  .5  .9 GEY   1.3
94 SEP 22 1736 43.52 40 23.11 126  0.54 21.74 18 2 .4113.226.6 PON - 2.6
94 SEP 22 1836 29.25 36 41.45 121 19.52  6.90 10   .09  .4 1.3 STN    .9

94 SEP 22 2029  7.03 38 46.81 119 49.63  0.00 13   .15 5.0 2.1 WAK * 2.7
94 SEP 22 2115 51.12 38 44.59 119 48.92  0.48 10   .11 7.8 3.9 WAK   2.7
94 SEP 22 2306 33.98 38 44.98 119 37.30  3.20 47 2 .15  .5 2.1 WAK   2.9
94 SEP 23   28 37.64 36 10.89 120 44.66  0.03 12 1 .12  .6  .9 BIT   1.6
94 SEP 23  112 16.21 37  2.83 121 29.06  4.47 22   .14  .3  .7 CYS   1.1

94 SEP 23  204 49.26 40 35.91 122  6.96 25.43 33 2 .21  .3  .5 SHA   3.2
94 SEP 23  243 23.21 36 33.93 121  3.06  9.17 16   .07  .4  .7 BVL    .9
94 SEP 23  333  5.08 38 47.87 119 53.23  0.11 17   .14 6.0 1.8 WAK * 2.8
94 SEP 23  404 40.89 37 46.97 122  9.93  4.19  8   .11  .5  .8 HAY   1.1
94 SEP 23  419 54.46 38 44.27 119 53.20  0.16  9   .18 7.8 3.4 WAK * 2.7

94 SEP 23  429 36.07 38 43.72 119 37.88  0.06 28 3 .14  .9  .9 WAK   2.8
94 SEP 23  511 33.39 38 45.08 120  1.52  1.53  7   .11 7.8 9.7 WAK - 2.5
94 SEP 23  540 17.44 38 46.47 119 48.63  0.00 14   .12 4.9 1.8 WAK   2.6
94 SEP 23  621 43.50 37  9.84 121 33.83  2.95 17 1 .10  .3 1.0 CYN   1.0
94 SEP 23 1244 47.58 35 59.45 120 33.56  6.03 15   .09  .4  .6 MID   1.3

94 SEP 23 1414 31.20 38 28.37 122 42.40  5.58 48 1 .19  .2  .9 ROG   2.4
94 SEP 23 1508 48.33 38 49.37 122 46.46  2.76  8   .02  .3  .7 GEY   1.3
94 SEP 23 1658 30.73 38 47.29 119 27.57  1.81 10   .12 8.4 5.6 WAK - 2.6
94 SEP 23 2203 16.15 38 51.85 119 46.62  0.33 75 3 .22  .4 1.2 WAK   3.5
94 SEP 23 2207 28.72 38 47.92 122 47.36  0.75  7   .09  .4  .9 GEY   1.4

94 SEP 23 2225 39.09 38 50.47 119 53.02  6.31  8   .05 7.1 4.9 WAK - 2.6
94 SEP 24  216 38.77 38 49.22 119 43.77  0.02 17   .12 4.0 1.4 WAK * 3.0
94 SEP 24  408 39.07 38 48.01 122 48.79  2.67 36   .13  .2  .5 GEY   2.0
94 SEP 24  501 39.07 38 47.92 122 43.98  4.13 17   .13  .3  .8 GEY   1.5
94 SEP 24  507 38.22 39 48.96 123 38.54  0.42 10 1 .12  .9 3.3 MAA-  1.3

--ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH  N N RMS ERH ERZ       DUR
YR MON DA HRMN  SEC  DEG MIN  DEG  MIN    KM  RD S SEC  KM  KM REMKS MAG

94 SEP 24  649 26.26 38 45.55 119 38.75  0.25 58 3 .18  .5 1.0 WAK   3.0
94 SEP 24  801 31.94 38 53.38 120  2.04  5.20 10   .18 7.4 8.4 WAK   2.5
94 SEP 24  855 52.58 36 16.24 120 50.74  0.54  9 1 .15 1.4 2.1 BIT   1.0
94 SEP 24  953 21.39 36  2.66 120 35.14  4.15 26 1 .12  .3  .5 SLA   1.3
94 SEP 24 1014 48.68 38 54.10 123 13.83  4.09 13   .07  .3  .9 PAR   1.2

94 SEP 24 1015 14.02 38 54.06 123 13.86  3.50 13   .07  .3 1.1 PAR   1.2
94 SEP 24 1044 12.40 38 54.06 123 13.81  4.01 18   .08  .3  .9 PAR   1.8
94 SEP 24 1117  7.07 38 48.70 119 38.63  7.37 78 3 .18  .4 1.0 WAK   3.5
94 SEP 24 1159 52.73 38 48.98 119 41.45  0.02 42 1 .15  .6  .9 WAK   2.7
94 SEP 24 1203 36.05 38 48.30 119 42.20  0.01 23 2 .11 1.1  .8 WAK * 2.3

94 SEP 24 1250 31.33 38 48.65 119 38.42  5.96 67 2 .20  .6 1.4 WAK   3.2
94 SEP 24 1346 13.27 38 44.79 119 38.69  0.68 58 1 .15  .5 2.0 WAK   3.0
94 SEP 24 1411 56.77 40 26.22 125 39.82  1.78 15 1 .3319.312.4 MEN - 2.3
94 SEP 24 1437 55.01 40 18.36 124 28.68  7.63  7 1 .04 1.2  .9 MEN   1.5
94 SEP 24 1504 32.53 38 47.81 119 32.37  1.00  7   .1310.710.4 WAK - 2.5

94 SEP 24 1524 16.70 37 45.42 122 31.64 10.26  9 1 .14 1.0 2.5 SFP   2.3
94 SEP 24 1617 26.74 37 32.82 118 50.45 11.27  8   .05 1.0 1.5 MOR    .9
94 SEP 24 1625 36.38 35 50.05 121 19.59  5.37 20 2 .09  .4  .6 SSM   1.5
94 SEP 24 1724 50.68 40 16.42 121  8.92  9.75 14 3 .10  .9 1.0 ALM   1.6
94 SEP 24 1730 46.40 40 27.72 124 11.59 22.05 11 1 .09  .5  .6 MEN   1.5

94 SEP 24 1827 32.99 38 45.22 119 38.34  0.20 45 2 .15  .5 1.0 WAK   2.8
94 SEP 24 1926 39.62 37 30.18 118 49.05  6.11 16   .07  .4  .9 MOR   1.0
94 SEP 24 1934 37.63 40 19.13 125 29.27 24.28 15 2 .18 2.016.5 MEN - 2.5
94 SEP 24 2005 20.40 40 18.50 125 14.08 15.97 13 2 .2110.213.4 MEN - 2.4
94 SEP 24 2122  7.86 37 29.61 118 48.37 10.57 12   .07  .5 1.5 MOR   1.0

94 SEP 24 2342 53.65 38 47.03 119 53.27  0.03 11   .19 4.9 2.5 WAK * 2.5
94 SEP 25  156 46.61 38 48.40 119 41.19  0.22 37 3 .17  .7 1.2 WAK   2.7
94 SEP 25  159 59.11 38 48.72 119 40.65  6.60 57 2 .16  .5 1.6 WAK   3.3
94 SEP 25  249 26.69 38 45.53 119 34.06  2.74 52 1 .16  .5 1.7 WAK   3.0
94 SEP 25  604 33.28 40 18.04 124 33.53  8.88 15 1 .10 1.0  .4 MEN   2.1

94 SEP 25  737 30.94 38 28.13 122 30.78  6.75 12 1 .08  .3 1.5 NAP   1.2
94 SEP 25  859 38.29 36 58.73 121 37.53  3.66 49   .18  .3  .7 SAR   1.6
94 SEP 25  906 33.35 39 19.28 122 51.79  9.65 19 3 .19  .4 1.9 BAR   1.5
94 SEP 25 1011 24.67 36 46.58 121 28.36 10.62 20   .14  .4  .9 SJB    .9
94 SEP 25 1058 36.67 40 13.95 125 14.64 15.53  7 2 .07 6.3 8.1 MEN - 2.2

94 SEP 25 1125 53.49 40 18.28 124 32.49  9.63 16 1 .10  .9  .4 MEN   2.1
94 SEP 25 1131 45.60 38 49.08 122 48.65  3.13  9   .05  .5  .6 GEY   1.1
94 SEP 25 1143 34.01 38 47.18 122 45.03  0.70 12   .06  .2  .7 GEY   1.5
94 SEP 25 1315 44.16 37 24.38 120  3.24 25.16 11 2 .12  .5  .9 KAI   2.0
94 SEP 25 1548 46.87 40 21.47 124 27.45 13.27 10 2 .16 2.5  .7 MEN   1.3

94 SEP 25 1615 43.47 38 48.13 122 44.53  1.83  8   .03  .3  .9 GEY   1.2
94 SEP 25 1853 12.10 40 18.31 124 23.86  7.16 16 1 .09  .7  .4 MEN   2.0
94 SEP 25 1940 39.77 40 41.61 122 22.26 23.49  8 2 .11  .8 1.4 SHA   1.6
94 SEP 25 2111 46.31 38 43.22 119 44.79  0.05 22 3 .07  .7 1.2 WAK * 2.3
94 SEP 25 2215 42.59 38 47.51 119 48.30  0.08 19   .20 6.2 2.5 WAK * 2.9

--ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH  N N RMS ERH ERZ       DUR
YR MON DA HRMN  SEC  DEG MIN  DEG  MIN    KM  RD S SEC  KM  KM REMKS MAG

94 SEP 25 2230 29.67 38 45.51 119 38.71  0.37 78 1 .17  .4 1.0 WAK   3.6
94 SEP 25 2234  1.33 38 45.67 119 46.12  0.31 10   .11 9.9 4.0 WAK - 2.7
94 SEP 25 2240  8.72 37 38.56 118 57.85  7.85 43 3 .14  .3  .4 SMO   2.7
94 SEP 25 2256  3.95 38 47.09 119 42.94  0.88 12   .14 7.3 4.7 WAK * 2.9
94 SEP 25 2304 28.00 37 17.19 121 39.70  6.23 89 3 .08  .1  .3 SFL   2.4

94 SEP 25 2340 37.99 37 38.56 118 57.72  8.64 25 2 .09  .3  .6 SMO   1.9
94 SEP 26    3 50.21 35 48.63 121 19.82  2.94 16 1 .04  .5  .8 SSM   2.0
94 SEP 26  202 25.01 39 17.46 122 46.80  1.76  8   .07  .5 8.2 BAR - 1.5
94 SEP 26  240 49.26 38 49.25 122 48.55  4.24 12   .04  .3  .7 GEY   1.6
94 SEP 26  246 14.98 38 50.07 122 47.26  2.10  7   .05  .4  .8 GEY   1.7

94 SEP 26  307 24.42 38 50.36 119 40.40  0.27 35 2 .14  .7 1.3 WAK   2.9
94 SEP 26  433 34.81 37 38.88 118 51.08  5.27 35 2 .13  .3  .4 HCF   2.1
94 SEP 26  619  9.58 36  2.51 120 35.09  4.24  9   .10  .6 1.1 SLA   1.4
94 SEP 26  701 41.17 38 43.09 119 45.25  0.11 55 1 .19  .5 1.2 WAK   3.1
94 SEP 26  719 38.00 37 14.70 121 37.55  7.40 45 1 .07  .2  .4 SFL   1.4

94 SEP 26  745  6.34 40 39.08 123 13.91 32.07 13 1 .08  .6  .9 KLA   2.8
94 SEP 26  800 29.91 38 48.63 122 46.08  2.26  8   .03  .3  .7 GEY   1.3
94 SEP 26 1002 51.02 38 45.62 119 56.45  1.62  7   .08 7.0 5.8 WAK - 2.5
94 SEP 26 1031  1.67 40 35.60 125 45.02 24.98 28 2 .29 3.219.4 DEL - 2.9
94 SEP 26 1331 53.99 40 25.05 125 43.17  6.65 24 2 .4414.413.7 MEN * 2.6

94 SEP 26 1332  5.73 40 14.75 124 43.61 14.11  7   .16 7.2 2.4 MEN   2.5
94 SEP 26 1403 43.38 40 17.86 125 24.92 15.41 14 2 .3014.618.8 MEN - 2.4
94 SEP 26 1434 44.73 38 58.50 123  0.81  5.40  7 1 .07  .5 1.2 MAA   1.2
94 SEP 26 1450 40.86 40 16.08 121  7.15  6.84 10 1 .14 1.5 2.4 ALM   1.6
94 SEP 26 1519  6.04 38 50.96 119 38.55  1.17 12   .19 8.4 8.2 WAK * 2.8

94 SEP 26 1606 14.05 37 58.50 122  1.84 14.32 69 3 .22  .3  .4 CON   2.2
94 SEP 26 1743 24.03 37 38.51 118 56.90  8.22 13   .07  .5  .8 SMO   1.3
94 SEP 26 1743 43.34 37 38.45 118 57.15  7.45 13 1 .09  .4  .8 SMO   1.3
94 SEP 26 1745 21.06 37 38.99 118 52.20  4.10  9   .12  .6 1.5 SMO   1.2
94 SEP 26 2023 53.23 37 38.58 118 57.02  8.82  8   .07  .9 2.3 SMO   1.2

94 SEP 26 2033  7.78 37 38.42 118 57.35  6.96 14 1 .07  .5  .9 SMO   1.3
94 SEP 26 2106  1.28 39 36.82 123 24.96  8.71 11 2 .14  .6  .9 MAA   1.0
94 SEP 26 2113 30.71 37 38.80 118 57.19  8.84 20 1 .10  .5  .8 SMO   1.3
94 SEP 26 2116 17.02 38 47.61 122 46.54  0.44  8   .03  .3  .8 GEY   1.4
94 SEP 26 2143 10.76 38 48.18 122 46.70  0.02  7   .03  .3 2.0 GEY * 1.2

94 SEP 26 2211  2.08 38 45.73 119 37.96  0.28 40 1 .16  .6 1.5 WAK   3.2
94 SEP 26 2213 13.95 38 44.51 119 39.55  0.63 15   .20 2.4 4.9 WAK * 2.7
94 SEP 26 2318 14.24 37 37.60 119  2.11  5.86 11 1 .04  .6  .9 MAM   1.2
94 SEP 26 2334 19.03 38 49.26 122 48.72  4.34 10   .04  .4  .6 GEY   1.6
94 SEP 27  108 16.06 38 48.76 119 40.33  1.36 56 3 .18  .6 1.8 WAK   3.1

94 SEP 27  154  3.60 37 38.42 118 57.24  8.22 13   .07  .5  .9 SMO   1.2
94 SEP 27  204 28.84 37 39.31 118 54.35  3.96  9   .04  .5  .7 DOM   1.0
94 SEP 27  604 56.13 36 17.89 120 26.63 12.27 30 1 .12  .4  .4 COA   1.6
94 SEP 27  750 48.48 38 49.15 119 40.52  0.11 39 1 .15  .6 1.1 WAK   2.7
94 SEP 27  820 34.07 37 37.67 118 57.66  9.91 33 2 .13  .3  .5 SMO   2.1

--ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH  N N RMS ERH ERZ       DUR
YR MON DA HRMN  SEC  DEG MIN  DEG  MIN    KM  RD S SEC  KM  KM REMKS MAG

94 SEP 27  834 50.38 36 56.53 121 33.10  6.05 21   .16  .4  .7 SAR   1.0
94 SEP 27  835 38.05 36 56.74 121 32.92  6.29 28   .20  .5  .8 SAR   1.0
94 SEP 27  855 34.73 37 38.56 118 57.57  7.39 23 2 .09  .3  .5 SMO   1.5
94 SEP 27 1040  3.31 38 47.44 122 45.56  0.15  8   .02  .3 1.1 GEY   1.1
94 SEP 27 1040 55.14 38 44.90 119 43.03  0.51 23 1 .16 1.2 3.6 WAK * 2.6

94 SEP 27 1044  5.09 38 44.48 119 43.44  7.75 23 1 .17 1.3 3.2 WAK-  2.6
94 SEP 27 1125 29.53 40 38.23 124  2.35 28.01 25   .12  .4 1.2 EUR   3.7
94 SEP 27 1149 42.52 38 42.16 119 43.91  0.00 16   .31 1.7 3.7 WAK * 2.8
94 SEP 27 1204 45.83 38 47.39 120  7.75  8.99  8   .07 5.0 2.5 WAK   2.1
94 SEP 27 1206 58.30 38 44.18 119 42.66  0.00 37   .29  .9 1.7 WAK * 3.1

94 SEP 27 1209 57.61 38 45.96 119 37.40  2.48 11   .16 4.811.6 WAK - 2.5
94 SEP 27 1232 37.76 38 45.74 119 40.09  1.07 50 2 .20  .7 2.2 WAK   3.0
94 SEP 27 1304 50.44 37 28.81 118 46.49 11.48  7   .04 2.9 1.6 WCN   1.1
94 SEP 27 1305  4.74 38 46.02 119 39.74  0.97 62 1 .20  .6 1.8 WAK   3.2
94 SEP 27 1334  6.67 38 50.79 122 49.49  2.42  8   .02  .3  .9 GEY   1.1

94 SEP 27 1336 10.42 36 11.67 120 45.67  4.00 16 1 .12  .9  .5 BIT   1.5
94 SEP 27 1425 35.06 37 29.82 118 49.58  3.29 11   .08  .6 1.8 MOR   1.2
94 SEP 27 1437 44.93 37 38.45 118 57.25  8.62 13   .07  .5 1.1 SMO   1.0
94 SEP 27 1454 23.38 36 42.37 121 19.92  3.90113 7 .16  .2  .4 STN   3.2
94 SEP 27 1603 11.99 38 47.95 122 49.12  3.63 24   .10  .3  .8 GEY   2.3

94 SEP 27 1604 40.89 39 16.28 123  9.46  0.06 15 1 .10  .4 2.0 MAA-  1.6
94 SEP 27 1604 52.87 39 16.24 123  9.65  2.25 19 4 .12  .4 2.3 MAA-  1.7
94 SEP 27 1620 43.88 40 47.00 121 50.19 14.05  9   .08  .6 1.5 SHA   1.6
94 SEP 27 1623 25.80 38 47.62 122 46.30  1.56  8   .03  .3  .7 GEY   1.0
94 SEP 27 1727 53.00 39 28.82 123 19.20  6.19 17 2 .09  .3  .6 MAA   1.8

94 SEP 27 1803 34.67 37 33.40 118 44.88  7.59 36 3 .09  .3  .6 WCN   1.9
94 SEP 27 2013  6.53 38 45.56 119 39.79  0.09 34 1 .14  .7  .9 WAK   2.9
94 SEP 27 2059 27.58 40 21.82 125 17.84 17.90 11 2 .2210.014.6 MEN - 2.2
94 SEP 27 2102 20.73 37  7.95 121  3.11  6.84 26 1 .22  .6 1.5 JQN   1.6
94 SEP 27 2113 32.49 38 46.67 119 43.18  0.37 19 2 .14 2.0 2.2 WAK   2.7

94 SEP 27 2122  1.59 37  6.72 121  3.71  7.14 30   .15  .6 1.0 ORT   3.1
94 SEP 27 2122  1.63 37  7.37 121  1.69  0.51107   .17  .2 3.5 JQN   3.1
94 SEP 27 2220  1.36 37 32.04 118 51.49 10.30 34   .09  .3  .6 MOR   2.0
94 SEP 27 2323 10.23 38 47.50 119 41.76  0.03 38 2 .14  .5  .9 WAK   2.9
94 SEP 28   29 46.49 38 45.28 122 42.71  1.75  8   .05  .5  .5 GEY   1.0

94 SEP 28   33 38.35 38 45.40 122 42.76  2.61  8   .01  .3  .6 GEY   1.3
94 SEP 28  115 23.64 37 23.37 118 30.99 11.59  8   .03  .5 1.4 CHA   1.2
94 SEP 28  122 21.89 37 23.20 118 30.96 12.20  7   .04  .5 1.1 CHA   1.1
94 SEP 28  312 28.72 36 42.48 121 20.72  3.31 11   .05  .4  .5 STN   1.6
94 SEP 28  352 21.05 40 18.14 124  1.39 29.22 23 1 .10  .3  .9 MEN   2.1

94 SEP 28  430 27.56 38 46.75 119 41.53  1.28 32 2 .18  .8 2.5 WAK   2.6
94 SEP 28  628 23.47 37 21.82 121 43.28  7.93 10   .06  .4  .9 ALU   1.2
94 SEP 28  757 33.96 38 51.07 122 48.95  1.92 11   .05  .3 1.1 GEY   1.5
94 SEP 28  842 21.62 38 49.30 122 47.43  1.03  8   .05  .3  .6 GEY   1.4
94 SEP 28 1112 16.67 40 17.22 124 23.13 21.75 20 1 .09  .9  .2 MEN   2.1

--ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH  N N RMS ERH ERZ       DUR
YR MON DA HRMN  SEC  DEG MIN  DEG  MIN    KM  RD S SEC  KM  KM REMKS MAG

94 SEP 28 1243  0.51 37 38.16 118 57.20  8.38 13   .08  .6 1.0 SMO   1.1
94 SEP 28 1251  4.56 38 43.10 119 43.60  0.63 17 2 .12 1.7 3.6 WAK   2.6
94 SEP 28 1458 47.63 38 44.86 119 39.03  0.04 30 1 .14  .6 1.0 WAK   2.8
94 SEP 28 1840 27.16 36  1.16 120 33.93  4.50  7   .08  .7 1.6 SLA   1.3
94 SEP 28 1843 18.49 37 28.86 118 48.70  9.33 29   .10  .4  .7 MOR   1.9

94 SEP 28 1940 10.20 37 38.51 118 57.38  8.36 12   .07  .5 1.1 SMO   1.0
94 SEP 28 1950 46.03 40 21.93 122 58.51  8.81  9   .33 1.4 1.6 KLA   2.0
94 SEP 28 1955 54.51 38 49.19 122 48.64  4.22  8   .01  .4  .8 GEY   1.1
94 SEP 28 2025 38.90 40 29.70 122  6.47  1.74  9   .16 1.314.1 SHA - 2.0
94 SEP 28 2341 10.45 37 28.18 118 49.88  7.63 10   .05 1.0 1.6 MOR   1.1

94 SEP 28 2342 14.92 40 16.83 121 22.94 15.16  8   .34 2.9 4.6 ALM   1.3
94 SEP 28 2353 49.20 37 38.44 118 51.64 12.55 11   .08  .9 2.3 SMO   1.0
94 SEP 29   25  7.82 37 28.56 118 49.54  8.66 13   .07  .9 1.3 MOR   1.3
94 SEP 29  132 59.14 38 48.82 122 49.21  0.04 11   .20  .5 1.7 GEY * 1.4
94 SEP 29  316 38.76 39 42.86 123 31.35  7.62  8   .05  .5  .9 MAA   1.8

94 SEP 29  333 42.61 39 36.93 123 25.47  8.25  8   .03  .4  .8 MAA   1.5
94 SEP 29  436 20.12 38 47.30 119 55.13  0.00 14   .15 7.4 2.3 WAK * 2.7

TABLE 2.
Data from National Earthquake Information Center (NEIC)

UTC TIME    LAT     LONG    DEP GS MAGS  SD STA  REGION AND COMMENTS
HRMNSEC                         MB  Msz     USED
-------------------------------------------------------------------------------
SEP 18
013727.7% 38.268N   2.547W  10G         0.7   8 SPAIN. mbLg 2.8 (MDD).
031322.2  34.212N 118.511W   5G         0.7  12 SOUTHERN CALIFORNIA. ML 2.8
072731.2* 24.357S 177.919W 200G 4.4     0.8  33 SOUTH OF FIJI ISLANDS
101247.8  63.141N 150.775W  10G         0.6   8 CENTRAL ALASKA. ML 2.7 (PMR).
102718.5* 39.059N  71.588E  33N 4.6 4.0 1.0  22 TAJIKISTAN
111333.9  40.248N 115.866W   5G         0.7  12 NEVADA. ML 3.1 (GS).
164954.9  38.685N 142.974E  30  5.0     1.1  31 NEAR EAST COAST OF HONSHU, JAPA

SEP 19
071827.3  44.993N 137.527E 271* 4.6     0.8  42 EASTERN SEA OF JAPAN
113929.8? 34.01 S  72.09 W  33N         0.5  10 NEAR COAST-CENTRAL CHILE. MD 4.
121259.9? 34.04 S  72.23 W  33N         0.5   9 NEAR COAST-CENTRAL CHILE. MD 4.
124128.3& 62.720N 149.000W  63               82 CENTRAL ALASKA. <AEIC>.
130910.0   7.478S 128.257E 198* 5.3     1.2  32 BANDA SEA
152341.1? 42.54 N  43.17 E  33N 4.4     1.5  21 NORTHWESTERN CAUCASUS
172559.9% 37.782N   2.536W  10G         0.9  12 SPAIN. mbLg 3.2 (MDD). Felt
                                                (III) in the epicentral area.
180328.0   7.704S 130.126E  78? 5.0     1.1  24 TANIMBAR ISLANDS REG., INDONESI
183619.4* 32.229S  71.903W  10G         0.3  10 NEAR COAST-CENTRAL CHILE. MD 4.
232427.5% 35.767N   0.401W  10G         0.9  18 NORTHERN ALGERIA. mbLg 3.7

SEP 20
001401.5& 60.300N 152.100W  74               67 SOUTHERN ALASKA. <AEIC>.
030322.5& 62.240N 151.370W  89               72 CENTRAL ALASKA. <AEIC>.
055147.0* 32.631N  48.713E  33N 5.2     1.3  44 WESTERN IRAN
091902.1  13.411N  60.522W  80G 4.5     1.2  19 WINDWARD ISLANDS. MD 4.2 (TRN).
        Felt (V) on St. Lucia and St. Vincent.

SEP 21
060916.9*  1.163N 127.260E 153? 5.2     1.2  16 HALMAHERA, INDONESIA
085333.7? 42.51 N  42.11 E  33N 4.2     1.3  12 NORTHWESTERN CAUCASUS
101816.3& 60.280N 152.040W  64               95 SOUTHERN ALASKA. <AEIC>. ML 3.4
141420.7% 10.984N  62.186W  70G         0.7   9 NEAR COAST OF VENEZUELA. MD 3.9
                                                (TRN). Felt (II) on Trinidad.
161621.2  32.075S  71.880W  10G 4.8     1.1  18 NEAR COAST-CENTRAL CHILE. MD 4.
184026.2% 36.984N   3.780W  10G         1.0   9 STRAIT OF GIBRALTAR. mbLg 3.2
213022.9& 65.870N 151.450W  10G              16 NORTHERN ALASKA. <AEIC>. ML 2.9
221505.9  33.527N 116.523W  15G         0.6  27 SOUTHERN CALIFORNIA. ML 2.9

SEP 22
011731.1  13.226N  88.036W 167D 4.7     1.0  65 EL SALVADOR. MD 4.7 (GCG). Felt
                                                (II) at San Salvador.
015617.7  42.408N 148.302E  33N 5.0     1.0  74 OFF COAST OF HOKKAIDO, JAPAN
045345.6*  7.248N  79.808W  33N 4.3     1.5  31 SOUTH OF PANAMA
055551.6* 51.557N 179.115W  79* 4.5     1.0  40 ANDREANOF ISLANDS, ALEUTIAN IS.
072134.7* 22.603N  45.074W  10G 4.5     0.9  15 NORTHERN MID-ATLANTIC RIDGE
072456.7  30.109N 138.755E 392D 4.8     0.8  53 SOUTH OF HONSHU, JAPAN
095600.2& 62.080N 149.480W  45               91 CENTRAL ALASKA. <AEIC>. ML 2.8
112008.2  39.902N 140.871E  44* 4.3     1.2  20 EASTERN HONSHU, JAPAN
125101.5* 19.820N 109.189W  10G 4.1     0.8  29 REVILLA GIGEDO ISLANDS REGION
221943.0& 45.692N 120.163W   0               51 WASHINGTON-OREGON BORDER. MD 2.

SEP 23
020449.1  40.593N 122.124W  15G         0.8  26 NORTHERN CALIFORNIA. ML 3.1
                                                (GS). Felt in the Redding area.
023756.5  37.213N 142.018E  33N 5.0 4.2 0.7  46 OFF EAST COAST OF HONSHU, JAPAN
025236.0* 18.405N  61.563W 173* 4.6     0.9  59 LEEWARD ISLANDS
075939.1   3.241S 148.467E  33N 5.5 6.0 1.2  71 BISMARCK SEA. Mw 6.2 (GS).
161656.0& 61.400N 147.110W  13              108 SOUTHERN ALASKA. <AEIC>. ML 3.6
191544.7* 36.000N 100.248E  33N 5.2     1.4  33 QINGHAI, CHINA
220315.2  38.851N 119.703W   5G         1.3  35 CALIFORNIA-NEVADA BORDER.
                                                ML 3.3 (GS). Double event.

SEP 24
092503.8  51.373N 172.975W  33N 4.5     0.6  25 ANDREANOF ISLANDS, ALEUTIAN IS.
100042.3* 45.040N 141.257E 207? 4.2     0.4  15 HOKKAIDO, JAPAN  REGION
105039.3  36.722N   7.793W  32D 4.7     0.8  38 STRAIT OF GIBRALTAR. mbLg 4.4
111704.7  38.858N 119.485W   5G         1.2  45 CALIFORNIA-NEVADA BORDER. ML 3.
125029.3  38.813N 119.574W   5G         1.1  37 CALIFORNIA-NEVADA BORDER. ML 3.
150440.9  44.727N 110.548W   5G         0.6  17 YELLOWSTONE REGION, WYOMING. ML
        3.8 (GS). Felt (IV) at Artist Point, (III) at Canyon, Lake and Norris.
234839.9* 10.779S 164.065E  33N 4.5     0.8  10 SANTA CRUZ ISLANDS REGION

SEP 25
005328.0& 47.770N  69.950W  18G 4.1           6 GASPE PENINSULA, CANADA.
        <OTT-P>. mbLg 4.3 (OTT). Felt strongly in the Charlevoix region, Quebec
        Also felt in the Saguenay region, Quebec and in northern New Brunswick.
015957.4  38.837N 119.586W   5G         1.0  35 CALIFORNIA-NEVADA BORDER. ML 3.
024925.0  38.751N 119.502W   5G         1.0  31 CALIFORNIA-NEVADA BORDER. ML 3.
150609.2? 58.18 N 143.07 W  33N         1.3  13 GULF OF ALASKA. ML 3.7 (PMR).
223028.2  38.800N 119.545W   5G         1.0  44 CALIFORNIA-NEVADA BORDER. ML 3.

SEP 26
070140.2  38.713N 119.745W   5G         0.8  32 CALIFORNIA-NEVADA BORDER. ML 3.
085808.3  34.812N 116.297W   5G         0.9  39 SOUTHERN CALIFORNIA. ML 3.4
142321.2* 36.962N  88.880W   5G         0.3   9 TENNESSEE. mbLg 3.6 (GS). MD 3.
        (SLM). Felt in the Paducah-Hickman area, Kentucky and in the Mound City
        area, Illinois.

SEP 27
061334.1* 50.036N 147.659E 600G 4.5     0.6  61 SEA OF OKHOTSK
112528.4  40.626N 124.045W  30G         0.7  39 NEAR COAST OF NORTHERN CALIF. M
        3.5 (GS). Felt in the Eureka area.
123751.0  51.433N 178.506E  33N 4.8     1.0  62 RAT ISLANDS, ALEUTIAN ISLANDS
145423.5  36.665N 121.407W  10G         0.9  64 CENTRAL CALIFORNIA. ML 3.7 (GS)

SEP 28
163952  Q  5.5  S 110.2  E 640  5.7     0.8  30 JAVA SEA
173359  Q  5.3  S 110.1  E 630  5.4     0.7  72 JAVA SEA

Notes for Table 1:
       Origin time in the list is in GMT, in the text and on maps
       it is in local time.
       N RD: is the number of readings used to locate the event.
       N S: is the number of S waves in N RD.
       RMS SEC: is the root mean squared residual misfit for the
                location is seconds, the lower the better, over 0.3
                to 0.5 seconds is getting bad, but this is machine,
                not hand timed, data.
       ERH: is the estimated horizontal error in kilometers.
       ERZ: is the estimated vertical error in kilometers.
       N FM: is the number of readings used to compute the magnitude.
       REMKS: obtuse region codes that denote the velocity model
              used to locate the event.
       DUR MAG: is the magnitude as determined from the duration of
                the seismograms, not the amplitude.  Sort of like
                going to echo canyon and measuring how loud your
                yell is by counting echos.
       FIG: denotes the figure/event number in the maps posted separately.

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