Earthquake Details
Magnitude 5.2
Date-Time
* Wednesday, April 30, 2008 at 03:03:06 UTC
* Tuesday, April 29, 2008 at 08:03:06 PM at epicenter
* Time of Earthquake in other Time Zones
Location 40.837°N, 123.499°W
Depth 28.5 km (17.7 miles)
Region NORTHERN CALIFORNIA
Distances
* 18 km (11 miles) ESE (114°) from Willow Creek, CA
* 41 km (26 miles) E (97°) from Blue Lake, CA
* 42 km (26 miles) NW (315°) from Hayfork, CA
* 56 km (35 miles) E (84°) from Eureka, CA
* 307 km (191 miles) NW (326°) from Sacramento, CA
Location Uncertainty horizontal +/- 0.4 km (0.2 miles); depth +/- 1.4 km (0.9 miles)
Parameters NST=140, Nph=140, Dmin=20 km, Rmss=0.15 sec, Gp= 54°,
M-type=regional moment magnitude (Mw), Version=6
Source
* California Integrated Seismic Net:
* USGS Caltech CGS UCB UCSD UNR
Event ID nc40216664
* This event has been reviewed by a seismologist.
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What is going on here? I live in California and never recall booms before earthquakes before.
“It was sort of like a sonic boom,” said Brenda Simmons of SkyCrest Lake resort in Burnt Ranch. “It was a very loud noise before the house started shaking. It was pretty scary, the biggest thing I’ve ever felt here. (It) lasted 10 seconds max. I didn’t feel the aftershock.”
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