SCEDC Home
Home

== PRELIMINARY EARTHQUAKE 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 earthquake occurred at 2:14:53 PM (PST) on Tuesday, December 4, 2018.
The magnitude 1.7 event occurred 8 km (5 miles) NE (50 degrees) of Aguanga, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.7 - local magnitude (Ml)
Time Tuesday, December 4, 2018 at 2:14:53 PM (PST)
Tuesday, December 4, 2018 at 22:14:53 (UTC)
Distance from Aguanga, CA - 8 km (5 miles) NE (50 degrees)
Anza, CA - 13 km (8 miles) WSW (238 degrees)
Palomar Observatory, CA - 16 km (10 miles) NNE (23 degrees)
Lake Henshaw, CA - 28 km (17 miles) N (354 degrees)
Warner Springs, CA - 28 km (17 miles) NNW (327 degrees)
Coordinates 33 deg. 29.5 min. N (33.491N), 116 deg. 47.8 min. W (116.797W)
Depth 1.79 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=63, Nph=87, Dmin=2.4 km, Rmss=0.22 sec, Erho=0.2 km, Erzz=0.34 km, Gp=36 degrees
Event ID# ci38385560
Additional Information map || waveforms
  

For more information, see http://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