Featured earthquakes #1

As soon as I write about earthquakes surrounding Antarctica, a nice one occurs right on cue, a M5.8 on the Southern Mid-Atlantic Ridge.

Origin time: Sunday, June 24, 2007 at 00:25:18 (UTC). Location: 55.574°S, 2.763°W.

It wasn't felt by anyone, it did not make the news. This is not unusual for earthquakes: many more occur than are ever felt or talked about. If we know about them at all it is thanks to the global seismic network.

As with all earthquakes larger than magnitude 5, you can read all the details on the USGS website. The link for this earthquake is here: M5.8 Southern Mid Atlantic Ridge.

You can find all the available data for this earthquake on the IRIS website. The following is a vertical component seismogram recorded at the Antarctic seismic station CASY.



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