![]() ![]() The situation is still fluid and the agency is “actively coordinate with local police and fire personnel to evaluate things like roofs, foundations and infrastructure at sensitive sites like schools and hospitals,” Ferguson said.Įarthquakes are measured using seismographs, which monitor the seismic waves that travel through the Earth after an earthquake strikes. PT, USGS data shows, which was about five minutes after the original 5.1 magnitude earthquake. Seven Trees also experienced a smaller 2.9 magnitude earthquake at 11:47 a.m. Preliminary information from USGS shows the earthquake was 7.2 kilometers (4.5 miles) deep. The USGS did report another earthquake Tuesday – this time a 3.6 magnitude that struck around 3:08 p.m. EQCZ4r07AT- USGS Earthquakes October 25, 2022 Watch this video to learn more about today’s San Francisco Bay Area earthquake with Dr. “If you do feel shaking don’t forget to drop, cover and hold on.” “Aftershocks of this magnitude and duration are totally normal for an event of this type,” she said. Annemarie Baltay, a USGS seismologist, said Tuesday “there could be 10-15 aftershocks of magnitude 3 or greater in the next week.” Preliminary reports do not indicate any significant damage or injuries, the emergency services office told CNN.ĭr. ![]() “Advance notice varied from two seconds for those very near the epicenter to 18 seconds for those in the San Francisco,” Ferguson said. PT.Ībout 100,000 people received an advanced notification from the Earthquake Warning California app, the state’s early warning system, before shaking started, according to Brian Ferguson, deputy director for crisis communication and public affairs for the California Governor’s Office of Emergency Services. Preliminary information from the USGS says the quake was 6.9 kilometers (4.2 miles) deep and hit around 11:42 a.m. The biggest aftershock registered a magnitude 4.6.The US Geological Survey (USGS) reported a 5.1 magnitude earthquake in Seven Trees, near San Jose, California on Tuesday. Shaking from Tuesday's quake was felt as far away as the San Francisco Bay area, the U.S. "It is not unusual to have earthquakes of this size in this region," she told a news conference. Tuesday's temblor struck in a seismically active area where several tectonic plates converge on the sea floor about 2 miles offshore, an area that has produced about 40 quakes in the 6.0 to 7.0 range over the past century, said Cynthia Pridmore, a senior geologist for the California Geological Survey. While earthquakes are routine in California, tremors at a magnitude 6.4 are less common and potentially dangerous. It was just the sensation and that general low rumbling sound of the foundation of the whole house vibrating," he said.Ĭalifornia's earthquake early warning system sent electronic alerts to the mobile devices of some 3 million northern California residents 10 seconds before the first shaking was even felt, said state emergency chief Mark Ghilarducci. "The shaking was really intense," said Daniel Holsapple, 33, a resident of nearby Arcata, who recounted grabbing his pet cat and running outside after he was jostled awake in pitch darkness by the motion of the house and by an emergency alert from his cellphone. The California Highway Patrol also said the roadway foundation there was at risk of sliding.Īuthorities reported at least four Humboldt County roads shut down due to earthquake damage. Police closed a bridge over the Eel River just outside Ferndale, a picturesque town notable for its gingerbread-style Victorian storefronts and homes, after four large cracks were discovered in the span. Two of the most serious cases were a head injury and a broken hip, officials said. Most of the 12 survivors known to have sought medical care got themselves to hospitals and sustained relatively minor injuries, many from fallen objects. The two fatalities involved individuals, one aged 72, the other 83, who suffered medical emergencies that coincided with the quake, preventing rescue teams from reaching them in time to render life-saving care, said Humboldt County Sheriff William Honsal. "The TV was coming down, the microwave, everything, like all my little knickknacks were crashing everywhere."įire officials said dispatchers fielded roughly 70 emergency calls after the quake.ĭetails of casualties were sketchy. "And it just kept shaking and shaking, and things were crashing," she recalled. ![]()
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