Author Archives: joshuahedlund

Southeast Missouri Earthquake – February 2012

Early the morning of Tuesday, February 21, 2012, there was a minor earthquake reported a few miles outside of Sikeston, Missouri. It was initially reported as a 4.0 but was later downgraded to a magnitude of 3.9. This is the … Continue reading

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Top 10 Earthquakes of 2011

With 2011 behind us, it’s time to take a look at the year in earthquakes. Here are the 10 most powerful earthquakes that were measured in 2011 by magnitude, according to the data pulled from the ANSS Catalog. 9.1 magnitude. … Continue reading

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New Madrid Fault Activity – November 2011 Update

It’s been a couple months since I last looked at the earthquake activity around the New Madrid fault line, and it’s time for an update from the ANSS catalog data.

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Oklahoma Earthquake Activity 2011

I’ve spent a lot of time analyzing the publicly available earthquake data for the area around the New Madrid fault. This year we saw a huge jump in recorded earthquakes for Arkansas, but my analyses have shown they have almost … Continue reading

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Arctic Ice 2011 – September Update

When we looked at the northern polar ice cap last month, it was in danger of setting a new record low. Fortunately, that did not happen. The melting slowed, and this year’s summer minimum was “only” the second-worst in our … Continue reading

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New Madrid Fault Activity – September 2011 Update

Update: New Madrid Fault Activity – November 2011 Update Beginning in October 2010 it looked like New Madrid fault activity was increasing significantly (it turned out be completely attributable to a random location in Arkansas, with the best theory having … Continue reading

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