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Pinedale Online > News > May 2012 > Earthquake in the Hoback
Earthquake in the Hoback
by Pinedale Online!
May 10, 2012

There was a 3.5 earthquake reported in the Upper Hoback area at 1:18AM on Thursday, May 10th, according to the U.S. Geological Survey. The quake measured magnitude 3.5 ML and was located at 43.100°N, 110.497°W, southwest of Bondurant in the Upper Hoback Creek drainage. Depth was 6.3km. A quake of this magnitude is considered minor in strength. There were no reports of damage called into the Sublette County Sheriff’s Office.

Info on this earthquake:

Did you feel it? Please let us know if you felt it or had damage related to this incident:

Earthquake Magnitude Scale
Magnitude, Earthquake Effects
2.5 or less, Usually not felt, but can be recorded by seismograph. (900,000/year)
2.5 to 5.4, Often felt, but only causes minor damage. (30,000/year)
5.5 to 6.0, Slight damage to buildings and other structures. (500/year)
6.1 to 6.9, May cause a lot of damage in very populated areas. (100/year)
7.0 to 7.9, Major earthquake. Serious damage. (20/year)
8.0 or greater, Great earthquake. Can totally destroy communities near the epicenter. (one every 5-10 years)

Earthquake Magnitude Classes
Earthquakes are also classified in categories ranging from minor to great, depending on their magnitude.

Class Magnitude
Great 8 or more
Major 7 - 7.9
Strong 6 - 6.9
Moderate 5 - 5.9
Light 4 - 4.9
Minor 3 -3.9

Related Links
  • USGS -Earthquakes
  • Technical data on this quake - USGS
  • USGS Magnitude Policy
  • Pinedale Online > News > May 2012 > Earthquake in the Hoback

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