[penelopesire]

I just counted them up....84 shakes in the last 5 hours.

Is that normal? Seems unbelievable.

[machogirl]

I does seem like a sizable swarm to me. A little worrisome.

[penelopesire]

Make that 94 shakes now. Finally reloaded.

WOW!’

[Errant]

Is that normal?

Yes/No. Heads up in either case...

[bd476]

penelopesire wrote: "I just counted them up....84 shakes in the last 5 hours. Is that normal? Seems unbelievable."

Dr. Lucy Jones, USGS Seismologist said that there had not been a swarm like this since the 70s and before that the 30s. It will take them a day or two to get a better read on this unusual swarm because the earth is a different soil, different mix which makes it difficult to get an accurate reading.

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. . . "What we're seeing is a classic Brawley seismic swarm,'' USGS seismologist Lucy Jones told City News Service. "We haven't seen one of these since the 1970s, and there was another one back in the 1930s.''

< Snip >


Jones said USGS seismographs and analysis computers were overwhelmed by the rash of rattling that began at sunrise, and reached a crescendo with a magnitude 5.3 quake just after 12:30 p.m. It was followed by a 4.9 shaker within two minutes.

"Our system is choking on so many earthquakes,'' Jones said. "This area of California is deep soils, and we do not get as precise data as we do over the rest of the state, and that makes our data a little less precise.''

Moderate Earthquakes Rock San Diego County Sunday, August 26, 2012 By KPBS and City News Service