Small Earthquakes in Oklahoma and Arkansas

March 5, 2013. “State earthquake experts will place more monitors around Greers Ferry Lake after a recent jump in the number of temblors.

While many of the 60 quakes in the past year were too light to be felt by people, the Arkansas Geological Survey hopes to pinpoint a cause.

Geologist Scott Ausbrooks says a closer look is warranted. He told Little Rock television station KATV that more monitors will be placed in an area from Clinton to Heber Springs.

Ausbrooks said the quakes could just be a natural occurrence, perhaps tied to recent water level changes at the lake. The region also has a pair of injection wells serving the natural gas industry.

Ausbrooks said it is too early to say whether those are contributing to the uptick.”


Small Earthquakes in Oklahoma and Arkansas.

3.5 M 6km SSE of Tishomingo, Oklahoma on 2013-03-04

3.4 M 10km NW of Prague, Oklahoma on 2013-03-06

3.5 M 3km E of Midwest City, Oklahoma on 2013-02-27

2.5 M   3km SE of Choctaw, Oklahoma on 2013-02-27

2.0 M 16km NW of Walnut Ridge, Arkansas on 2013-03-05

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2 Responses to Small Earthquakes in Oklahoma and Arkansas

  1. Ginger says:

    Thank you.

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