(Trends Wide Spanish) — An earthquake of magnitude 5.1 was recorded in Seven Trees, near San Jose, California, reported the United States Geological Survey (USGS, for its acronym in English).
Preliminary information from the USGS says that the tremor occurred at a depth of 6.9 km, around 11:42 am (Pacific time).
“Additional aftershock tremors can be expected in the region. We continue to monitor this region,” he tweeted. the California Geological Survey.
About 100,000 people were notified by the Earthquake Warning California app, the state’s early warning system, before the quake began to be felt, according to Brian Ferguson, deputy director of crisis communication and public affairs for the Office of Emergency Services. of the Governor of California.
“The advance notice was two seconds for those very close to the epicenter or 18 seconds in advance for those in San Francisco,” Ferguson said.
5.1 earthquake near San José.
Preliminary reports do not indicate significant damage or injuries, the office of emergency services told Trends Wide.
Dr. Annemarie Baltay, a USGS seismologist, said Tuesday that “there could be 10 to 15 aftershocks of magnitude 3 or greater in the coming week.”
“Aftershocks of this magnitude and duration are totally normal for an event of this type,” he said. “If you feel tremors, don’t forget to drop, cover and hold on.”
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Watch this video to learn more about today’s San Francisco Bay Area earthquake with Dr. Annemarie Baltay. https://t.co/vkLou5Pvqf pic.twitter.com/EQCZ4r07AT
— USGS Earthquakes (@USGS_Quakes) October 25, 2022
The USGS reported another earthquake on Tuesday, this time a 3.6 magnitude earthquake that struck around 3:08 pm Pacific Time. Preliminary information from the USGS shows that, in that case, the earthquake had a depth of 7.2 kilometers.
Seven Trees also experienced a smaller magnitude 2.9 earthquake at 11:47 a.m. Pacific time, according to USGS data, which struck about five minutes after the original 5.1 quake.
The agency is “actively coordinating with local police and fire personnel to assess things like roofs, foundations and infrastructure at sensitive sites like schools and hospitals,” Ferguson said.
Earthquakes are measured with seismographs, which monitor the seismic waves that travel through the Earth after an earthquake. Earthquakes between magnitude 2.5 and 5.4 are often felt, but cause only minor damage, according to Michigan Tech’s UPSeis website.
Emily Smith contributed to this report.
