Magnitude 7.3 Earthquake Strikes Mexico, Tsunami Warning Issued for Central America

Yes. The core information is accurate, based on current reporting. The latest USGS assessment cited by Reuters puts the earthquake at magnitude 7.3 and a depth of 15.2 km, after an initial estimate of magnitude 7.4 at 10 km depth. The epicentre was offshore, about 58 km from Puerto Madero, Mexico. AP gives a slightly different location reference—48 km southwest of Aquiles Serdán—but also reports magnitude 7.3 and roughly 15 km depth.

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Powerful 7.3 Earthquake Strikes Mexico, Tsunami Threat Issued

A powerful magnitude 7.3 earthquake struck off the southern Pacific coast of Mexico on Friday, July 17, sending strong tremors across the region and prompting authorities to warn of a possible tsunami threat along nearby coastlines.

The earthquake struck off the coast of Chiapas, Mexico’s southernmost state, close to the border with Guatemala. According to the United States Geological Survey, the earthquake occurred at a depth of approximately 15 kilometres. The magnitude was initially estimated at 7.4 before being revised to 7.3.

The shaking was felt across a wide area, including Guatemala and El Salvador, while AP reported that tremors were also felt as far away as Mexico City. In Guatemala City, residents and office workers evacuated buildings as the prolonged shaking caused alarm. Buildings also shook in Tapachula, near Mexico’s southern border, where people moved to safety.

Following the earthquake, the US Tsunami Warning System said hazardous tsunami waves were possible along coastlines within 300 kilometres of the epicentre. Forecasts indicated that waves could reach between 0.3 and one metre above normal tide levels along some coastal areas of Mexico and Guatemala.

Mexico’s Navy later indicated that water levels were not expected to rise by more than approximately half a metre but advised people to remain away from beaches as a precaution. AP reported that the Navy recommended staying away from beaches for six hours because of the tsunami risk.

Mexican President Claudia Sheinbaum said emergency protocols were activated following the earthquake. Preliminary reports indicated no major problems in Chiapas or neighbouring Tabasco. Guatemala’s President Bernardo Arévalo also reported no deaths, while authorities had received no immediate reports of severe damage or casualties.

The initial earthquake was followed by a series of significant aftershocks. AP reported at least five aftershocks ranging between magnitudes 5.1 and 6, while Reuters said aftershocks between magnitudes 5 and 6 were felt across Mexico, Guatemala and El Salvador.

Authorities across the affected region continued to assess conditions following the powerful earthquake, with coastal communities advised to follow official guidance as seismic activity continued.

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