Seismic activity on Sept. 22 - 4.3 magnitude earthquake near Berkeley, CA detected
ALAMEDA COUNTY, CA - According to the U.S. Geological Survey, a 4.3 magnitude quake rattled close to Berkeley Monday morning. The tremor jolted at 2:56 a.m., with its epicenter situated roughly 1 mile east-southeast of Berkeley and a depth of 5 miles. Seismologists first reported it as a 4.6 event, but later downgraded it to 4.3. In response to the earthquake, the National Tsunami Center issued a Tsunami statement. For the most recent details, please check tsunami.gov. Did you feel it? If you exparienced the quake, you can report it through the USGS Felt Report form. So far, the agency has collected 26934 online responses from individuals saying that they felt the tremor. Light shaking was registered, and people in several cities - such as Grizzly Flats, Roseville, Mather, Gilroy and Sacramento - reported feeling the earthquake, according to the USGS DYFI report. Did you document the effect? If you have photos illustrating the aftermath of the quake, we invite you to submit them to us at sacbee.com/customer-service/submit-photo.
Impact and estimated losses Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses. Structure information summary Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction. Past week's quake Over the last week, there was one earthquake of magnitude 3.3 centered in the area, which was reported close to Clayton seven days ago. What to know about earthquakes Magnitude measures the energy released at the source of the earthquake, the U. S. Geological Survey says. It replaces the old Richter scale. Quakes between 2.5 and 5.4 magnitude are often felt but rarely cause much damage, according to Michigan Tech. Earthquakes below 2.5 magnitude are seldom felt by most people. Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but are most common in Alaska, California, Hawaii, Oregon, Puerto Rico and Washington, according to the Department of Homeland Security. It is estimated that there are 500,000 detectable earthquakes in the world each year. 100,000 of those can be felt, and 100 of them cause damage. What to do during an earthquake If an earthquake strikes, it's best to protect yourself right away. Here are tips from experts:
If you're in a car: Pull over and stop. Set your parking brake. If you're in bed: Turn face-down and cover your head with a pillow. If you're outdoors: Stay away from buildings. Don't go inside. If you're inside: Stay and don't run outdoors. Stay away from doorways. The best way to protect yourself during an earthquake is to drop, cover and hold on, officials say. "Wherever you are, drop down to your hands and knees and hold onto something sturdy," officials say. "If you're using a wheelchair or walker with a seat, make sure your wheels are locked and remain seated until the shaking stops." Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible. If no shelter is available, crawl to an interior wall away from windows. Once under a table, officials say you should hold on with one hand and be ready to move with it. "There can be serious hazards after an earthquake, such as damage to the building, leaking gas and water lines, or downed power lines," officials say. "Expect aftershocks to follow the main shock of an earthquake. Be ready to Drop, Cover, and Hold On if you feel an aftershock."
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