San Francisco Earthquake Today: 5 Fast Facts You Need to Know

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A building is seen destroyed in Napa, California, following today’s 6.1 earthquake. (Getty)

A 6.1 earthquake rocked California’s Bay Area at 3:30 a.m. local time today.

Here’s what you need to know.

1. The Earthquake Today Is the Biggest Since 1989

earthquake today

The 6.1 magnitude is the largest quake to hit the Bay Area since 1989.

The Loma Prieta quake of ’89 registered a 6.9 and famously collapsed a portion of the San Francisco-Oakland Bay Bridge and disrupted the 1989 World Series.

2. The Epicenter Was Southwest of Napa

earthquake epicenter


According to the USGS, the quake was centered 6 miles southwest of Napa, at a ground depth of nearly 7 miles. The USGS suspects that the “causative fault” is the Browns Valley section of the West Napa fault.

Witnesses describe a so-called “rolling quake” that lasted 15-20 seconds.

3. Tens of Thousands of Homes Lost Power

Some 50,000 homes were without power this morning, reports NBC Bay Area.

PG&E has an interactive and frequently updated map of the outages (pictured above), which you can find here.

4. Damage Is Widespread in Napa & Sonoma

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People survey a destroyed building following this morning’s earthquake Napa, California. (Getty)

In Napa and Sonoma counties, damage is widespread, including fires, water main ruptures, closed roads and structural failure.

VideoVideo related to san francisco earthquake today: 5 fast facts you need to know2014-08-24T09:53:37-04:00

There are some 70 reports of injuries, most of them minor, and no known fatalities, reports Mike Rosenberg of the Mercury News:

5. Aftershocks Are Expected for 7 Days

There have been some 20 aftershocks, with 30-70 expected in the coming days. A 3.6 aftershock was measured in Napa around 5:47 a.m., reports ABC 7.

Below, raw video of items shaking loose inside a home during the initial quake.

Raw Video: American Canyon QuakeCourtesy Camille Alysson Freking. View full story at news.kron4.com2014-08-24T11:26:34.000Z

As of 10 AM local time, California Governor Jerry Brown has declared a state of emergency in the Bay Area.

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