Ron's Log's photos with the keyword: usgs

Earthquake Swarm NW Nevada

Earthquake Swarm NW Nevada

Ron's Log
12 Nov 2014 803
A swarm of earthquakes has been occurring in northwest Nevada. This USGS map shows 225 quakes of all magnitudes over the last seven days. The two biggest quakes were magnitude 4.7. The cyan dot is one of those. Here's a link to the interactive, updated map .
Quakes in the area of Mammoth, California, September 20, 2014

Quakes in the area of Mammoth, California, Septemb…

Ron's Log
27 Sep 2014 788
From USGS . 683 quakes in 24 hours; 80% of the world's earthquakes in that time period.
Revised La Habra Quake Map

Revised La Habra Quake Map

Ron's Log
30 Mar 2014 445
This is all quakes in the last day with a magnitude of 1.0 or greater.
La Habra California 5.1 Quake March 28 2014

La Habra California 5.1 Quake March 28 2014

Ron's Log
29 Mar 2014 487
From this USGS page . Disneyland is about 10 miles south of this area. This map shows only quakes of 2.5 or greater.
McDonald Ranch USGS - Trinity Site (2004)

McDonald Ranch USGS - Trinity Site (2004)

Ron's Log
04 Apr 2010 933
Chile 8.8

Chile 8.8

Ron's Log
27 Feb 2010 829
From the USGS earthquake page . All the quakes shown here are 5.0 or larger. The biggest is 8.8.
Virgin Island quakes

Virgin Island quakes

Ron's Log
13 Oct 2008 539
From this USGS site showing a 6.1 quake and many smaller ones (106 smaller ones, it says) near the Virgin Islands this past weekend.
Mexicali Quake Swarm

Mexicali Quake Swarm

Ron's Log
15 Feb 2008 438
From earthquake.usgs.gov/eqcenter/recenteqsus/Maps/US2/32.34.-116.-114.php
Earthquake 5.6

Earthquake 5.6

Ron's Log
31 Oct 2007 690
More info: earthquake.usgs.gov/eqcenter/recenteqsus/Quakes/nc40204628.php