Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:11:19 PM (PDT) on Monday, July 17, 2023.
The magnitude 0.5 event occurred 2 km (1 miles) E (99 degrees) of Pacifica, CA.
The hypocentral depth is 8 km ( 5 miles).
|Magnitude||0.5 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 7:11:19 PM (PDT)
Tuesday, July 18, 2023 at 2:11:19 (UTC)
Pacifica, CA - 2 km (1 miles) E (99 degrees)|
San Bruno, CA - 5 km (3 miles) WSW (247 degrees)
South San Francisco, CA - 7 km (4 miles) SW (227 degrees)
Millbrae, CA - 7 km (4 miles) W (281 degrees)
Colma, CA - 7 km (5 miles) S (185 degrees)
|Coordinates||37 deg. 36.7 min. N (37.611N), 122 deg. 28.0 min. W (122.467W)|
|Depth||8.03 km (5.0 miles)|
|Location Quality Parameters||Nst=9, Nph=13, Dmin=3.0 km, Rmss=0.06 sec, Erho=0.52 km, Erzz=0.75 km, Gp=118 degrees|
|Additional Information|| Map
For more information, see https://earthquake.usgs.gov
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)