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 10:18:23 AM (PST) on Tuesday, December 4, 2018.
The magnitude 1.4 event occurred 22 km (14 miles) ESE of Yosemite Valley, CA.
The hypocentral depth is 12 km ( 8 miles).



Magnitude 1.4 - duration magnitude (Md)
Time Tuesday, December 4, 2018 at 10:18:23 AM (PST)
Tuesday, December 4, 2018 at 18:18:23 (UTC)
Distance from Yosemite Valley, CA - 22 km (14 miles) ESE (122 degrees)
Mammoth Lakes, CA - 34 km (21 miles) W (270 degrees)
Oakhurst, CA - 42 km (26 miles) NE (37 degrees)
Ahwahnee, CA - 44 km (27 miles) NE (47 degrees)
Midpines, CA - 50 km (31 miles) ENE (78 degrees)
Coordinates 37 deg. 38.0 min. N (37.634N), 119 deg. 21.7 min. W (119.361W)
Depth 12.23 km (7.6 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=17, Dmin=24.9 km, Rmss=0.09 sec, Erho=0.55 km, Erzz=1.69 km, Gp=144 degrees
Event ID# nc73119101
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