Wednesday, September 28, 2016

[Geology2] Earthquake expert Lucy Jones: Salton Sea swarms occur




It's been about eight years since the Salton Sea was the epicenter of a swarm of earthquakes, but the abundance of temblors doesn't necessarily indicate a larger one to come, a renowned seismologist says.

Lucy Jones, formerly with the United States Geological Survey, tweeted throughout Monday about the dozens of quakes centered near Bombay Beach.  She said they were linked to a fault line that's about five miles south of where the San Andreas Fault ends and is known to produce clusters of temblors.

"Most likely, nothing more will happen," Jones said.

The last time there were swarms in the area were in 2001 and 2009 -- periods separated by a stretch similar to the one separating 2009 from 2016. The 2009 swarm lasted for two days.

There were were more than 110 earthquakes in the same area since Monday morning, but they mostly included minuscule quakes that wouldn't have been felt.

At least two dozen earthquakes were magnitude 2.5 or larger. They included three earthquakes above magnitude 4.0.

The last earthquake happened about 10:45 p.m. Monday and was a magnitude 3.2, according to the USGS.

As is expected of such moderate-sized earthquakes, there have been no reports of damage.

http://www.desertsun.com/story/weather/earthquakes/2016/09/27/earthquake-salton-sea-jones/91165728/
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Posted by: Lin Kerns <linkerns@gmail.com>



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