Tsunami threat after 7.4 magnitude earthquake hits off Mexican coast
The US Tsunami Warning System said hazardous waves were possible along coasts within 300 kilometers, and authorities reported no immediate damage.
- A powerful 7.4 magnitude earthquake struck off the coast of Mexico's southern state of Chiapas on Friday, July 17, 2026, triggering a tsunami warning and shaking buildings in neighboring Guatemala and El Salvador.
- According to the U.S. Geological Survey, the quake hit near the Mexican town of Puerto Madero at a shallow depth of 6 miles, intensifying ground shaking across the region.
- Following the tremor, the U.S. Tsunami Warning System issued a warning for coastal areas within 300 km of the epicenter, where waves could rise up to 1 meter above tide level.
- Secretary of the Navy Raymundo Pedro Morales stated there were "no issues" in the country following the seismic event, and authorities have not reported major damage or casualties.
- The USGS warned the region's mix of vulnerable building types, including adobe block and mud wall construction, could face significant risks from potential liquefaction affecting extensive areas.
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Strong quake off Mexican coast rattles Guatemala and El Salvador, but leaves no damage
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