M1.8 - 21km SSE of Ridgemark, California (BETA) 2013-02-17 22:38:34 UTC

DYFI? - III

Earthquake location 36.643°N, 121.255°W

Google Earth KML

Summary

Location and Magnitude contributed by: Northern California Seismic Network, UC Berkeley & USGS Menlo Park

General

Nearby Cities

Nearby Cities

Tectonic Summary

Tectonic Summary

Did You Feel It? Tell Us!

Contributed by USGS National Earthquake Information Center

Tell Us!

Did you feel this earthquake? Tell Us!

Intensity Maps

Graphs

Intensity vs. Distance
Responses vs. Time

Responses

Response Data (279)

Scientific Background on the Did You Feel It? Process

Technical

Location and Magnitude contributed by: Northern California Seismic Network, UC Berkeley & USGS Menlo Park

Summary

Preferred Location Parameters

Parameter	Value	Uncertainty
Magnitude	1.8 Md	± 0.20
Location	36.643°N, 121.255°W	± 0.1 km
Depth	4.1 km	± 0.5 km
Number of Stations Used	Not Specified
Number of Phases Used	50
Minimum Distance	6.0 km (0.05°)
Travel Time Residual	0.04 sec
Azimuthal Gap	40°
Review Status	REVIEWED
Event ID	nc71939435

See the “Contributed Solutions” for a list of all contributed location parameters.

Scientific and Technical Links

Contributed Solutions

Technical Terms used on Event Pages

Downloads

All Downloads

Product	Title	Links	ID
dyfi (Preferred) (US)	DYFI City Map	JPG (78 KB) PDF (27 KB) PS (100 KB) HTML (48 B)	nc71939435
dyfi (Preferred) (US)	Intensity vs. Distance Plot	JPG (45 KB) PS (41 KB)	nc71939435
dyfi (Preferred) (US)	Responses vs. Time Plot	JPG (40 KB) PS (31 KB)	nc71939435
dyfi (Preferred) (US)	Intensity Summary	TXT (161 B) XML (279 B)	nc71939435
dyfi (Preferred) (US)	DYFI Combined Geospatial Data	KMZ (4 KB)	nc71939435
origin (Preferred) (NC)	Earthquake XML (EQXML)	XML (1 KB)	nc71939435

The use of EQXML formatted data is temporary. This data will be changing to QuakeML v1.2RC3 format.

Data Contributors

USGS National Earthquake Information Center
Northern California Seismic Network, UC Berkeley & USGS Menlo Park

U.S. Department of the Interior | U.S. Geological Survey
Page URL: http://comcat.cr.usgs.gov/earthquakes/eventpage/nc71939435
Page Contact Information: Contact Us
Page Last Modified: February 18, 2013 04:27:11 UTC

Offsite Link

DOI and USGS link policies apply. Privacy Act Statement You are not required to provide your personal contact information in order to submit your survey. However, if you do not provide contact information, we may be unable to contact you for additional information to verify your responses. If you do provide contact information, this information will only be used to initiate follow-up communications with you. The records for this collection will be maintained in the appropriate Privacy Act System of Records identified as Earthquake Hazards Program Earthquake Information. (INTERIOR/USGS-2) published at 74 FR 34033 (July 14, 2009). Paperwork Reduction Act Statement The Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et. seq.) requires us to inform you that this information is being collected to supplement instrumental data and to promote public safety through better understanding of earthquakes. Response to this request is voluntary. Public reporting for this form is estimated to average 6 minutes per response, including the time for reviewing instructions and completing the form. A Federal agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB Control Number. Comments regarding this collection of information should be directed to: Bureau Clearance officer, U.S. Geological Survey, 807 National Center, Reston, VA 20192.