This report provides a brief summary of earthquake activity recorded by the U.S. Geological Survey Northern California Seismic Network in Menlo Park and the University of California Berkeley Seismological Laboratory. It is automatically generated each Wednesday shortly after midnight, Universal time (UT). UT (ie., Greenwich Mean Time) is 8 hours ahead of PST or 7 hours ahead of PDT.
Because it is not possible to review all of the earthquakes before this report is generated, it may contain errors. Please report errors or provide suggestions and comments to ncsn@usgs.gov
The report no longer includes maps showing earthquakes for the entire US or world. Those maps are now available from the U.S.G.S. National Earthquake Information Center. In addition, all earthquake data can be retrieved from the Northern California Earthquake Data Center.
Please note that some of the earthquake data in this report have been reviewed by seismic analysts. Consequently, the parameters that describe the hypocenter, magnitude, origin time, and solution statistics may differ slightly from the information contained on the real-time earthquake web page. The differences reflect revised arrival times at seismic stations and the analysts' decisions to include or exclude information from seismic stations.
The minimum magnitude ( M) values in the following bullets reflect the smallest earthquake which the network can routinely record within the region. During the previous seven-day period ending at midnight (UT) Wednesday, our seismic networks recorded
The largest event to occur this week in this region was a minor earthquake of magnitude 3.3, 10 miles E of San Jose City Hall, CA at 10:13 PM UTC Monday, 07 03, 2000 (03:13 PM PDT Monday, Jul 03, 2000).
The largest event to occur this week in this region was a minor earthquake of magnitude 3.3, 10 miles E of San Jose City Hall, CA at 10:13 PM UTC Monday, 07 03, 2000 (03:13 PM PDT Monday, Jul 03, 2000).
The largest event to occur this week in this region was a microearthquake of magnitude 2.6, 9 miles SE of Mammoth Lakes, CA at 07:40 AM UTC Saturday, 07 01, 2000 (12:40 AM PDT Saturday, Jul 01, 2000).
The following table provides a listing of all M >2 earthquakes that occurred this week. An explanation of the entries in the table is available.
---ORIGIN TIME (UT)--- -LAT N-- --LON W-- DEPTH N RMS ERH ERZ LOC PREF AZ MIN S. PAGE 1 YEAR MON DA HRMN SEC DEG MIN DEG MIN KM RD SEC KM KM REMKS MAG GAP DS PF 2000 JUN 29 0335 30.73 38 49.47 122 48.31 4.73 36 .05 .1 .3 GEY 2.6D 47 2 WW 2000 JUN 29 0753 16.13 37 7.06 121 31.46 7.09 72 .06 .1 .3 CYN 2.0D 89 1 NN 2000 JUN 30 1313 42.61 39 43.82 122 51.82 0.63 12 .27 .8 6.3 SAC 2.0D 98 15 WW 2000 JUL 1 0740 0.24 37 34.48 118 50.49 5.14 37 .06 .2 .4 MOR 2.6D 99 2 NN 2000 JUL 1 1841 30.89 38 48.47 122 48.31 3.59 21 .04 .2 .4 GEY 2.1D 51 1 WW 2000 JUL 1 2311 6.24 36 55.65 121 30.74 4.93 52 .12 .2 .4 SAR 2.2D 58 7 NN 2000 JUL 3 0059 0.26 38 23.77 122 11.89 5.81 52 .20 .2 .5 GVL 2.3D 54 7 NN 2000 JUL 3 0302 26.21 36 38.73 121 15.53 4.73 57 .06 .1 .2 STN 2.4D 40 3 NN 2000 JUL 3 1207 20.96 40 21.90 123 33.01 7.28 20 .14 .3 .6 MEN 2.2D 58 16 NN 2000 JUL 3 2213 18.06 37 20.51 121 42.32 8.56 85 .06 .1 .3 ALU 3.3D 38 5 NN 2000 JUL 4 1917 41.75 40 18.33 124 26.50 6.14 10 .04 .8 .8 MEN 2.3D 235 21 WW 2000 JUL 4 1942 35.76 38 48.24 122 44.32 2.07 13 .03 .2 .7 GEY 2.0D 72 4 WW 2000 JUL 5 0329 30.00 36 38.63 121 15.84 8.57 51 .06 .1 .3 STN 2.7D 40 6 WW 2000 JUL 5 1435 16.14 38 3.39 121 51.73 14.76 37 .18 .3 .6 JQN 2.3D 119 12 WW 2000 JUL 5 1442 28.20 38 49.54 122 48.34 2.02 11 .03 .2 .5 GEY 2.0D 56 2 WW 2000 JUL 5 1818 5.15 37 30.33 118 48.99 2.89 26 .05 .4 1.1 MOR 2.5D 136 5 WW 2000 JUL 5 2042 17.12 40 24.16 122 6.99 14.73 10 .08 .5 2.2 SHA 2.2D 111 22 WW
