SCEDC Home
Home

== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:24:32 PM (PDT) on Friday, July 31, 2020.
The magnitude 1.3 event occurred 12 km (8 miles) N of Brooktrails, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.3 - duration magnitude (Md)
Time Friday, July 31, 2020 at 4:24:32 PM (PDT)
Friday, July 31, 2020 at 23:24:32 (UTC)
Distance from Brooktrails, CA - 12 km (8 miles) N (356 degrees)
Willits, CA - 17 km (10 miles) NNW (348 degrees)
Laytonville, CA - 17 km (10 miles) SSE (153 degrees)
Covelo, CA - 29 km (18 miles) SSW (206 degrees)
Redwood Valley, CA - 36 km (22 miles) NNW (333 degrees)
Coordinates 39 deg. 33.3 min. N (39.555N), 123 deg. 23.7 min. W (123.396W)
Depth 5.58 km (3.5 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=14, Dmin=9.7 km, Rmss=0.09 sec, Erho=0.32 km, Erzz=1.28 km, Gp=84 degrees
Event ID# nc73436681
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