Earthquakes in Ohio and Vicinity 1776-2007

by
Richard L. Dart and Michael C. Hansen
2008

This database, identified as OF2008-1221, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review.  Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.

Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty, expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute such warranty.  The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein.

Any use of trade, product or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Geological Survey.

Although this information product, for the most part, is in the public domain, it also contains copyrighted material as noted in the text.  Permission to reproduce copyrighted items for other than personal use must be secured from the copyright owner.

The database can be downloaded via the Web from http://pubs.usgs.gov/of/2008/1221/.  Shapefiles may be extracted from a 
gzip-compressed tar file (1221.tar.gz) or zip-compressed file (1221.zip).  In addition, an Adobe Portable Document Format (PDF) file (OF08-1221_map.pdf) can be downloaded, from which paper copies may be printed.

The database contact is:	Richard Dart
				303-236-8637
				dart@usgs.gov
				U.S. Geological Survey
				Box 25046, Mail Stop 966
				Denver, Co. 80225

This geospatial database consists of shapefiles contained in a gzipped tar archive or zip archive.  Both compressed archive files 
contain the geospatial database files.  See the list below.  Please refer to the file XXXX.htm for detailed metadata documentation 
for this geospatial database.

List of files:
OF08-1221_map.pdf
oh.htm
1221.zip
00README.txt

FILE PREFIXES

SeisSta			Ohio Seismic Network station locations	
Epicenters		Earthquake epicenter locations
mian1986		Northeast Ohio January 31, 1986 earthquake location
mmi1986			Northeast Ohio January 31, 1986 earthquake intensity locations
main1937		Anna Ohio March 9, 1937 earthquake location
mmi1937			Anna Ohio March 9, 1937 earthquake intensity locations
OF-1221_map		Earthquakes in Ohio and Vicinity 1776-2007 Open-File Report
Intensity1986		Northeast Ohio January 31, 1986 earthquake intensity map
Intensity1937		Anna Ohio March 9, 1937 earthquake intensity map
oh			ArcMap .mxd project

FILE SUFFIXES

*.dbf, *.shp, *.shx. *.sbn, *.prj	Shapefiles
*.shp.xml				Metadata, XML format
*.htm					Metadata, HTM format
*150.pdf				150-dpi PDF format
*300.pdf				300-dpi PDF format
*.pdf					PDF format