Special Reports
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Greenwich Mean Date:
Greenwich Mean Time:
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SANTA ROSA, CA

M 4.3 (NCSN)

03/05/25
07:09:34
38.459N
122.702W
6.2 km (4.2 miles)

Santa Rosa is jarred awake by M 4.3 quake

Seismo-Watch More Special Earthquake Reports

Sunday, May 25, 2003

An earthquake registering M 4.3 occurred just after midnight this morning in the Northern California Coast Range at Santa Rosa, jarring thousands of people from sleep and toppling a few light objects from tables and shelves, but not causing any serious damage or injuries.

Seismo-Watch EQ Flash! Alert Bulletins notified subscribers of this earthquake within minutes after it happened. You should subscribe to the service too! It's FREE and Fast! NOW! Wireless EQ Flash! via pager, cell phone or PDA's! More info.

According to the Northern California Seismic Network (NCSN) the M 4.3 earthquake struck at 12:09:34 a.m. PDT (07:09:34 GMT), May 25, about a mile northeast of downtown Santa Rosa and a 1/4 mile northwest of Proctor terrace School near the Santa Rosa Memorial Park. See a Topozone topographic map or a MapQuest street map.

The earthquake occurred within the city limits of Santa Rosa.

The focal depth was at 6.7 km deep (4.2 miles) and the type of fault motion was strike-slip.

The earthquake was felt over a wide area of the San Francisco North Bay Area, with the strongest reports coming in from near the epicentral area. Several people said they were jarred from sleep by a sharp jolt that was quickly followed vigorous back and forth shaking that lasted 2-4 seconds.

Walls vibrated, windows rattled, dishware tinkled, hanging plants swung, and water in aquariums sloshed. A few said the vibrations were strong and everything in the house or business began shake, filling the rooms with noises.

Some people were at their computers when the quake struck and the sudden jolt startled them. There were no reports of internet outages.

There have been a few reports of light items toppling from tables and shelves, but nothing apparently broke.

The quake occurred just east of the main trace of the Rodgers Creek Fault probably along an adjacent splay or fracture.

This was the closest M 4.0+ quake to Santa Rosa in several years.

More information will be provided shortly...


You can follow weekly earthquake activity near Santa Rosa on two Seismo-Watch earthquake reports:

Three local newspapers feature Seismo-Watch earthquake reports, the Santa Rosa Press Democrat and the Marin Independent Journal, and the Ukiah Daily Journal.

Report update: 9:55:36 AM, Sunday, May 25, 2003
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