M4.3 - 235km W of Ferndale, California (BETA) 2013-02-20 12:22:01 UTC

Earthquake location 40.409°N, 127.035°W

Google Earth KML

Summary

Location and Magnitude contributed by: USGS National Earthquake Information Center

General

Nearby Cities

Nearby Cities

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 (1)

Scientific Background on the Did You Feel It? Process

Technical

Location and Magnitude contributed by: USGS National Earthquake Information Center

Summary

Preferred Location Parameters

Parameter	Value	Uncertainty
Magnitude	4.3 Mb	Not Specified
Location	40.409°N, 127.035°W	± 18.2 km
Depth	10.0 km	± 2.0 km
Number of Stations Used	58
Number of Phases Used	58
Minimum Distance	258.0 km (2.32°)
Travel Time Residual	1.13 sec
Azimuthal Gap	212°
Review Status	REVIEWED
Event ID	usc000faka

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 (95 KB) PDF (7 KB) PS (52 KB) HTML (48 B)	usc000faka
dyfi (Preferred) (US)	Intensity vs. Distance Plot	JPG (54 KB) PS (43 KB)	usc000faka
dyfi (Preferred) (US)	Responses vs. Time Plot	JPG (36 KB) PS (29 KB)	usc000faka
dyfi (Preferred) (US)	Intensity Summary	TXT (534 B) XML (1 KB)	usc000faka
dyfi (Preferred) (US)	DYFI Combined Geospatial Data	KMZ (8 KB)	usc000faka
historical-moment-tensor-map (Preferred) (US)	Historic USGS Moment Tensor Solutions Map	JPG (67 KB)	usc000faka
historical-moment-tensor-map (Preferred) (US)	Historic USGS Moment Tensor Solutions Table	TEXT (3 KB)	usc000faka
origin (Preferred) (US)	Earthquake XML (EQXML)	XML (1 KB)	usc000faka
origin (NC)	Earthquake XML (EQXML)	XML (1 KB)	nc71940985
p-wave-travel-times (Preferred) (US)	Theoretical P-Wave Travel Times Map for the World	GIF (107 KB)	usc000faka
p-wave-travel-times (Preferred) (US)	Theoretical P-Wave Travel Times Table	HTML (4 KB)	usc000faka
phase-data (Preferred) (US)	Earthquake XML (EQXML)	XML (20 KB)	usc000faka

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/usc000faka
Page Contact Information: Contact Us
Page Last Modified: February 28, 2013 12:19:00 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.