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Special Earthquake Report

Mogul-Somersett Earthquake Sequence; West Reno, Nevada

Interactive 3D Image of Mogul Earthquake Relocations Updated 11/06/2008

Get Involved in our research Updated 8/11/2008

*The location and mechanisms of these earthquakes all indicate that they are not related to volcanic activity

*This ongoing earthquake swarm is a timely reminder that western Nevada has a significant earthquake hazard. Residents of the area are encouraged to check our guide on Living with Earthquakes in Nevada at our Earthquake Preparedness page . Protect your self, Drop, Cover, and Hold On!

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November 14, 2008

Relocations of Mogul-Somersett Earthquakes through November 14, 2008 (Ken Smith)



Earthquakes in the 2008 Mogul-Somersett sequence have been relocated with application HYPODD using both phase data and waveform cross-correlation (Waldhauser & Ellsworth, 2000). David von Seggern computed the cross-correlation times. This set includes about 1000 of the best located events.

Animation Video of 2008 Mogul Sequence (Yui Miyata) (AVI file 23MB) Updated 6/24/2008

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Latest Earthquakes Map; Reviewed Event Catalog Locations

Latest map of aftershocks as of: 02/02/2009 03:47 PM *Currently, maps are updated when a seismologist reviews activity and confirms it. For real-time maps, Click here

Brief Release on the May 7, 2008 M3.8 earthquake by Glenn Biasi

Summary, May 4, 2008 by John Anderson

Summary, May 3, 2008 by John Anderson

Summary, May 1, 2008 by John Anderson

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GPS Time Series Since 4/26/2008 (Geoff Blewitt, and Yui Miyata) NEW 8/4/2008

Thanks to Geoff Blewitt, Nevada Bureau of Mine and Geology, this map shows results from 4 GPS stations installed near Mogul. Number near arrows states the displacement in millimeter. Geoff calculated the displacement since 4/26/2008.

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24 Hour Helicorder Format Images in Year-Julian Day Filename Convention

---Julian Day to Calendar Day Translator---

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2008 Mogul-Somersett Nevada Regional Moment Tensor Solutions
Created by Gene Ichinose

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Cumulative Number of Earthquakes

Magnitudes 1 to 2.5

Gutenberg-Richter curve

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Map gallery

Recent Earthquake Map
Last Updated: 02/02/2009 03:47 PM

Weekly Map

Day Range	Week #
02/28-03/01	Week 1
03/01-03/08	Week 2
03/09-03/15	Week 3
03/16-03/22	Week 4
03/23-03/29	Week 5
03/30-04/05	Week 6
04/06-04/12	Week 7
04/13-04/19	Week 8
04/20-04/26	Week 9
04/27-05/03	Week 10
05/04-05/10	Week 11
05/11-05/17	Week 12
05/18-05/24	Week 13
05/25-05/31	Week 14
06/01-06/07	Week 15
06/08-06/14	Week 16
06/15-06/21	Week 17
06/22-06/28	Week 18
06/29-07/05	Week 19
07/06-07/12	Week 20
07/13-07/19	Week 21
07/20-08/02	Week 22 & 23
August 2008	August
September 2008	September
October 2008	October
November 2008	November

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June 9th Report (PDF file)

April 26th Report (PDF file)

April 24th Report (PDF file)

April 15th #2 Report (PDF file)

April 15th Report (PDF file)

April 1st Report (PDF file)

April 1st Report (Web page)

March 26 Report: What we know (PDF file)

March 24th Report (PDF file)

March 24th Report (Web page)

March 15th Report (PDF file)

March 15th Report (Web page)

More Observation (PDF file)

March 8th Report (PDF file)

March 8th Report (Web page)

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*Did you feel the M3.8 on May 7, 2008? Report it here.
Then you can look at report statistics here, and a statistical map here.


*Did you feel the M4.7 on April 25, 2008? Report it here.
Then you can look at report statistics here, and a statistical map here.


*Did you feel the M4.2 on April 24, 2008? Report it here.
Then you can look at statistics here, and a statistical map is here.

M 3.4 April 15th Map (PDF file)

M 3.4 April 15th Intensity Map

M 3.1 March 26th Map (PDF file)

M 3.0 March 24th Map (PDF file)

M 2.95 March 15th Map (PDF file)

M 3.35 March 8th Map (PDF file)

Initial Mogul Earthquakes in Google Earth *You need Google Earth in your computer.

M 3.35 in Google Earth