M1.8 Quarry Blast - 11km E of Quarry near Portola Valley, CA (BETA) 2013-02-28 22:05:52 UTC

Earthquake location 37.322°N, 122.104°W

Google Earth KML

Summary

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

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

Response Data (271)

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	± 0.30
Location	37.322°N, 122.104°W	± 0.2 km
Depth	0.0 km	± 31.6 km
Number of Stations Used	Not Specified
Number of Phases Used	58
Minimum Distance	2.0 km (0.02°)
Travel Time Residual	0.16 sec
Azimuthal Gap	43°
Review Status	REVIEWED
Event ID	nc71946080

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

Contributed Solutions

Technical Terms used on Event Pages

Downloads

All Downloads

Product	Title	Links	ID
dyfi (Preferred) (US)	DYFI City Map	JPG (80 KB) PDF (29 KB) PS (107 KB) HTML (536 B)	nc71946080
dyfi (Preferred) (US)	Intensity vs. Distance Plot	JPG (47 KB) PS (44 KB)	nc71946080
dyfi (Preferred) (US)	Responses vs. Time Plot	PS (31 KB)	nc71946080
dyfi (Preferred) (US)	Intensity Summary	TXT (157 B) XML (271 B)	nc71946080
dyfi (Preferred) (US)	DYFI Combined Geospatial Data	KMZ (3 KB)	nc71946080
origin (Preferred) (NC)	Earthquake XML (EQXML)	XML (1015 B)	nc71946080

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/nc71946080
Page Contact Information: Contact Us
Page Last Modified: March 06, 2013 02:05:33 UTC

Offsite Link

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