The municipality of Mexicali, in the State of Baja California, has woken up shaken by several earthquakes that continuously occurred during the early hours of this Monday, and that could be perceived in that region bordering the United States. State Civil Protection confirmed that between 00:36 a.m. and 2:25 a.m. a series of earthquakes were recorded with the epicenter in Imperial County, in the State of California, of which three were felt in the municipalities on the Mexican side such as Mexicali, Tijuana and Tecate. The governor of Baja California announced the cancellation of classes at all educational levels in Mexicali, as a preventive measure.
Marina del Pilar Ávila Olmeda, governor of the entity, reported through her social networks the cancellation of classes in Mexicali: “We will review the schools, that they are safe for our girls, boys and young people,” she said.
Friends of Baja California, given the earthquakes that occurred during the early hours of this Monday, with the epicenter in Imperial County, we call on the population to be calm and attentive to official information. So far, no damage has been reported.
As a measure…
— Marina del Pilar (@MarinadelPilar) February 12, 2024
Local authorities assure that there are no records of damage, while the State Council of Civil Protection of Baja California is in permanent session to rule out possible effects on the population. Data from the United States Geological Survey (USGS) confirm the record of earthquakes that had magnitudes of 3.5 and 4.8—followed by several aftershocks—during the early hours of this Monday. “The Brawley seismic zone, near the US-Mexico border, where the plate boundary transitions to a more extensive regime, is notoriously swarm and he woke up last night,” the USGS also published.
The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night. https://t.co/OUX01tSDAZ
— USGS Earthquakes (@USGS_Quakes) February 12, 2024
Microseisms and swarms of earthquakes: seismicity in Baja California
The state of Baja California presents great seismic activity due to the interaction of the boundaries of the tectonic plates known as the Pacific Plate and the North American Plate, where one slides rubbing against the other. The activity that characterizes the State of Baja California is mainly microseismic, as confirmed by the National Seismological Service. In 2007, for example, 91 events of magnitude greater than 3 degrees were recorded. Seismic swarms have also occurred in the region. In 1981, for example, a total of 50 seismic events were recorded near the city of Ensenada.
An earthquake swarm refers to a sequence of movements from which it is not possible to identify a main earthquake. They occur in the same rupture zone and in a short time interval.
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