== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #1: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 11:07:51 AM (PDT) on Friday, May 3, 2013.
The magnitude 1.9 event occurred 3 km (2 miles) NNE (21 degrees) of Healdsburg, CA.
The hypocentral depth is 6 km ( 3 miles).
| Magnitude | |
1.9 - duration magnitude (Md) |
| Time | |
Friday, May 3, 2013 at 11:07:51 AM (PDT) Friday, May 3, 2013 at 18:07:51 (UTC) |
| Distance from | |
Healdsburg, CA - 3 km (2 miles) NNE (21 degrees) Windsor, CA - 11 km (7 miles) NNW (341 degrees) The Geysers, CA - 18 km (11 miles) SSW (193 degrees) Santa Rosa, CA - 25 km (16 miles) NNW (331 degrees) |
| Coordinates | |
38 deg. 38.3 min. N (38.638N), 122 deg. 51.3 min. W (122.855W) |
| Depth | |
5.5 km (3.4 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 21, Nph= 21, Dmin=7 km, Rmss=0.11 sec, Erho=0.3 km, Erzz=1.2 km, Gp=100.8 degrees |
| Event ID# | |
nc71984886 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
[
Index map ||
big earthquake list ||
all earthquake list ||
glossary of terms ||
top page
]
[
Did you feel it? ||
Shake Map North
|| Relative2Me
]
[
Data Sources ||
Contacts
]