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5.6 earthquake strikes California

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Wednesday, October 31, 2007

Intensity map.

According to the United States Geological Survey (USGS) a magnitude 5.6 earthquake, lasting about 30 seconds, struck at 20:04:54 (PDT) on October 30, 2007, with the epicenter being five miles north, northeast of Alum Rock California and nine miles northeast of the center of San Jose. The actual coordinates given by USGS put it along the border of San Jose and Milpitas in the hills near neighborhoods in both cities. The quake was felt as far away as the California communities of Sacramento, Sonoma, and Los Banos. It was the most powerful quake in the San Francisco Bay Area and Silicon Valley since 1989.

At least ten aftershocks had been reported by 8:35 p.m with magnitudes ranging from 1.3 to 1.8.

Phone service, including cellular phone service, was reported to be down in some areas around the epicenter. Residents and business owners also reported their homes shaking.

According to the USGS, damage could be "moderate to heavy" and Rafael Abreu of the USGS said that the earthquake is considered "moderate," but so far there are "no injuries." The quake was reported at a depth of 9.2 km (5.7 miles).

USGS predicts a 30% chance of strong (magnitude >5) aftershocks in the next seven days, with a 5-10% probability of aftershocks stronger than the main quake. Additionally, USGS predicts approximately 15-40 small (magnitude 3-5) aftershocks.

The USGS reports that the quake was centered on the Calaveras Fault, and was the most powerful earthquake on that fault since the 1984 Morgan Hill earthquake.


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  This page is archived, and is no longer publicly editable.
Articles presented on Wikinews reflect the specific time at which they were written and published, and do not attempt to encompass events or knowledge which occur or become known after their publication.

Got a correction? Add the template {{editprotected}} to the talk page along with your corrections, and it will be brought to the attention of the administrators.

Please note that due to our archival policy, we will not alter or update the content of articles that are archived, but will only accept requests to make grammatical and formatting corrections.

Note that some listed sources or external links may no longer be available online due to age.

The text of this article is licensed under the terms of the Creative Commons Attribution 2.5 License
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