ANSS USA 2013

ANSS Catalog

The ANSS (Advanced National Seismic System) composite catalog is a world-wide earthquake catalog that is created by merging the master earthquake catalogs from contributing ANSS institutions and then removing duplicate solutions for the same event.
As a composite catalog – comprised of contributions from member networks – the ANSS catalog is not uniform in its coverage. Many of the ANSS networks are funded by the USGS and began operations in the 1960s and 1970s.
The ANSS catalog contains a number of idiosyncrasies. For example, magnitudes for California earthquakes were not routinely reported until the 1940s. For global events, magnitudes are not routinely reported until the early 1960s.
The Advanced National Seismic System catalog is hosted by the Northern California Earthquake Data Center.

Areas covered by this page are;
Continental United States
Alaska
Puerto Rico and Virgin Islands
Hawaii
ANSSSearchBordersUSA
click on image for interactive version

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2013

Click on Icon for event details.
To view larger map and the list, which has newest events at the top, click on text “View Larger Map” below map.

December 2013 summary

Continental United States: mag<1= 2818 , mag1= 1734 , mag2= 385 , mag3= 52 , mag4= 9 , mag5= 1 , mag6= 0 , total= 4999
Alaska: mag<1= 111 , mag1= 53 , mag2= 124 , mag3= 58 , mag4= 24 , mag5= 2 , mag6= 0 , total= 372
Puerto Rico: mag<1= 0 , mag1= 0 , mag2= 62 , mag3= 63 , mag4= 3 , mag5= 0 , mag6= 0 , total= 128
Hawaii: mag<1= 0 , mag1= 137 , mag2= 84 , mag3= 3 , mag4= 0 , mag5= 0 , mag6= 0 , total= 224
=5699 events on the map below

November 2013 summary

Continental United States: mag<1= 2777 , mag1= 1747 , mag2= 389 , mag3= 55 , mag4= 7 , mag5= 0 , mag6= 0 , total= 4975
Alaska: mag<1= 135 , mag1= 36 , mag2= 138 , mag3= 72 , mag4= 29 , mag5= 5 , mag6= 0 , total= 415
Puerto Rico: mag<1= 0 , mag1= 0 , mag2= 54 , mag3= 42 , mag4= 0 , mag5= 0 , mag7= 0 , total= 96
Hawaii: mag<1= 0 , mag1= 141 , mag2= 69 , mag3= 2 , mag4= 1 , mag5= 0 , mag6= 0 , total= 213

=5723 events on the map below

October 2013 summary

Continental United States: mag<1= 3050, mag1= 1689 , mag2= 342, mag3= 41, mag4= 2 , mag5= 0, mag7= 0, total= 5124
Alaska: mag <1= 193, mag1= 91 , mag2= 80, mag3= 15, mag4= 19 , mag5= 5, mag7= 0, total= 403
Puerto Rico: mag<1= 0, mag1= 1 , mag2= 17, mag3= 20, mag4= 1 , mag5= 0, mag7= 0, total= 39
Hawaii: mag<1= 0, mag1= 112 , mag2= 75, mag3= 2, mag4= 0 , mag5= 0, mag7= 0, total= 189
=5755 events on the map below

September 2013 summary

Continental US: mag<1=2987, mag1=1789, mag2=308, mag3=32, mag4=4, mag5=0, mag6=0, total=5120
Alaska: mag<1=248, mag1=197, mag2=182, mag3=53, mag4=53, mag5=16, mag6=3, total=752
Puerto Rico: mag<1=0, mag1=79, mag2=66, mag3=4, mag4=0, mag5=0, mag6=0, total=149
Hawaii:mag<1=0, mag1=0, mag2=20, mag3=30, mag4=4, mag5=0, mag6=0, total=54
=6075 events on the map below

August 2013 summary

Continental US: mag<1=3135, mag1=1685, mag2=300, mag3=40, mag4=6, mag5=0, mag6=0, total=5166
Alaska: mag<1=250, mag1=86, mag2=101, mag3=59, mag4=53, mag5=13, mag7=1, total=563
Puerto Rico: mag<1=0, mag1=0, mag2=39, mag3= 25, mag4=2, mag5=0, mag6=0, total=66
Hawaii: mag<1=0, mag1=136, mag2=60, mag3=4, mag4=1, mag5=0, mag6=0, total=201
=5996 events on the map below

July 2013 summary

Continental US: mag<1=2858, mag1=1593, mag2=255, mag3=28, mag4=1, mag5=0, mag6=0, total=4735
Alaska: mag<1=286, mag1=69, mag2=13, mag3=7, mag4=20, mag5=4, mag6=0, total=399
Puerto Rico: mag<1=0, mag1=0, mag2=5, mag3=1, mag4=1, mag5=0, mag6=0, total=7
Hawaii: mag<1=0, mag1=118, mag2=66, mag3=4, mag4=0, mag5=0, mag6=0, total=188
=5329 events on the map below

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