By Ricardo Roura
At least 344 tremors, the most intense of them with a magnitude of 4.7were recorded during a seismic swarm that occurred from this Saturday night to this Sunday morning in Imperial County, on the border with Mexico, in southern California.
The United States Geological Survey (USGS) reported that the series of earthquakes was recorded in the area of the city of Brawley, south of the Salton Sea, in Imperial County.
Be taught extra about the brief amplify in earthquake process finish to Brawley, CA – is named a seismic swarm. The USGS assesses that the earthquake caused no-to-light anxiety from shaking. Roughly 180 thousand folks skilled Light (MMI IV) to Strong (MMI VI) shaking.
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— USGS ShakeAlert (@USGS_ShakeAlert) Can also simply 10, 2026
According to USGS data, during the seismic swarm, at least 42 earthquakes of magnitude 2.5 occurred in the regionas detailed by the Caltech Seismological Laboratory.
Keep reading: Series of earthquakes shake San Bernardino County
The first earthquake reported by the USGS, of magnitude 3.5, occurred at 4:14 p.m. about two miles (3.2 kilometers) west-southwest of Brawley, at a depth of just over 8.5 miles (13.7 kilometers).
The U.S. Geological Survey later said that subsequent earthquakes occurred intermittently for several hours and that were felt by about 180,000 people, activating the ShakeAlert Earthquake Early Warning System on several occasions.
The series of tremors was a precursor to an earthquake of magnitude 4.7 that was recorded at 3:21 am this Sunday at a depth of nine miles (14.5 kilometers), according to the USGS.
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Major earthquakes that occurred during the swarm include one of magnitude 4.5, which occurred at 8:39 pm, and one more, of magnitude 4.4, recorded at 8:03 pm.
After the 4.5 magnitude tremor, several replicas occurred that lasted through Saturday night and until Sunday morning, when the 4.7 magnitude earthquake occurred.
Data from the United States Geological Survey shows that At least 42 earthquakes that occurred during Saturday night and early Sunday morning had magnitudes ranging between 2.5 and 4.7.
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Local emergency services reported no injuries, and possible structural damage was being assessed as a consequence of the seismic swarm this Saturday night.
Brawley city officials issued a statement saying they were aware of the recent seismic activity and that The public safety non-public is actively monitoring the situation.
“At the moment, There are no reports of significant damage to the city’s infrastructure. nor to critical public facilities,” officials said in a statement issued on the morning of this Sunday, May 10.
Keep reading: Activates emergency protocols for a 5.2-degree earthquake that shakes San Diego
“However, the city’s non-public has responded to and evaluated reports of possible structural damage within the communityand the corresponding monitoring and assistance actions are already underway,” the officials added.
The city reiterated that community safety is its top priority, which is why it recommended that residents stay alert and prepared by reviewing your respective emergency plans and inspecting their properties for possible damage.
According to Dr. Lucy Jones, a seismology specialist, Seismic swarms are frequent phenomena in that area and it is doubtless that more earthquakes will be recorded.
Keep reading:
· 5.2 magnitude tremor shakes San Diego County
· More seismic activity is recorded in Southern California
· Seismic activity persists in Southern California
