SCEDC Home
Home

== PRELIMINARY EVENT REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California



Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro quarry occurred at 4:29:33 PM (PDT) on Tuesday, September 10, 2019.
The magnitude 1.5 event (a probable quarry explosion) occurred 6 km (3 miles) NNW of Boron, CA.
The hypocentral depth is -1 km (-0.5 miles).



Magnitude 1.5 - local magnitude (Ml)
Time Tuesday, September 10, 2019 at 4:29:33 PM (PDT)
Tuesday, September 10, 2019 at 23:29:33 (UTC)
Distance from Boron, CA - 6 km (3 miles) NNW (346 degrees)
Edwards Air Force Base, CA - 29 km (18 miles) NE (56 degrees)
California City, CA - 30 km (19 miles) ESE (106 degrees)
Johannesburg, CA - 36 km (23 miles) S (184 degrees)
Mojave, CA - 46 km (29 miles) E (91 degrees)
Coordinates 35 deg. 2.9 min. N (35.048N), 117 deg. 39.9 min. W (117.665W)
Depth -0.79 km (-0.5 miles)
Quality Fair
Location Quality Parameters Nst=23, Nph=23, Dmin=12.9 km, Rmss=0.18 sec, Erho=0.46 km, Erzz=31.61 km, Gp=60 degrees
Event ID# ci38825295
Additional Information map || waveforms
  

For more information, see https://earthquake.usgs.gov

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources || Contacts ]

Research Tools
General Earthquake Information
Stations/ Instrumentation
About the Data Center