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 2:24:06 AM (PDT) on Saturday, June 27, 2020.
The magnitude 1.7 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.7 - duration magnitude (Md)
Time Saturday, June 27, 2020 at 2:24:06 AM (PDT)
Saturday, June 27, 2020 at 9:24:06 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (123 degrees)
Cobb, CA - 7 km (4 miles) S (177 degrees)
Middletown, CA - 9 km (6 miles) W (274 degrees)
Hidden Valley Lake, CA - 15 km (9 miles) WSW (248 degrees)
Lower Lake, CA - 19 km (12 miles) SSW (209 degrees)
Coordinates 38 deg. 45.5 min. N (38.758N), 122 deg. 43.2 min. W (122.719W)
Depth 1.42 km (0.9 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=39, Dmin=0.6 km, Rmss=0.06 sec, Erho=0.26 km, Erzz=0.19 km, Gp=95 degrees
Event ID# nc73417651
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