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Long Valley Caldera Seismic Data

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FGDC Metadata


Seismic data are from the Northern California Earthquake Data Center (NCEDC), a joint project of the University of California Berkeley Seismological Laboratory and the United States Geological Survey (USGS) at Menlo Park.  Catalog search parameters for the data files included in this report are:
catalog NCSN
start_time 1975/01/01,00:00:00
end_time 2002/07/12,21:05:19
minimum_latitude 37.5
maximum_latitude 38.25
minimum_longitude -119.25
maximum_longitude -118.50
minimum_magnitude 3.0
maximum_magnitude 10
event_type E
 
 

The data are provided in ASCII XYZ files,  and ArcView shapefiles format.

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ASCII XYZ files format

The data are available in tab-separated value (.txt) ASCII XYZ (X , Y, value) format.
Directory
 MonitoringData/Earthquakes/SpreadsheetFormatData
File
 catalog-search.txt
earthquake catalog search results


Map projection
 Geographic
Datum
 NAD27
Units
 DD

 

ArcView shapefiles format

Data are provided in ArcView shapefiles that can be used in a number of GIS and visualization software packages.

Directory
 MonitoringData/Earthquakes
File
 earthquake.shp


Map projection
 UTM
Datum
 NAD27
Units
 Meters



Download files to desktop
1. Go to the MonitoringData/Earthquakes folder to download the data



 
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