Moderate Magnitude 4.0 Earthquake Strikes Off Oaxaca Coast, Felt Near San Pedro Pochutla

Moderate Tremor Recorded Off Oaxaca Coast

A moderate earthquake with a magnitude of 4.0 was recorded off the coast of Oaxaca, Mexico, on Saturday, October 25, 2025. The seismic event occurred at approximately 06:02 am local time (GMT -6), with its epicenter located in the North Pacific Ocean, approximately 32 kilometers southwest of Puerto Escondido. Initial reports indicate no significant damage in the affected areas.

Seismic Details and Proximity to Populated Areas

The earthquake originated at a relatively shallow depth of 5 kilometers, which can often lead to more pronounced shaking near the epicenter. While the epicenter was offshore, the tremor was felt by some residents in coastal communities. San Pedro Pochutla, Oaxaca, a notable population center, was located approximately 78 kilometers (49 miles) northeast of the epicenter. Despite the perceptible shaking, authorities have not reported any major structural damage or injuries.

Oaxaca's Seismic Activity

The state of Oaxaca is situated in a region known for its high seismic activity, a characteristic of Mexico's geographical location at the convergence of several tectonic plates, including the Cocos, Pacific, and North American plates. This geological setting frequently results in earthquakes of varying magnitudes. The area where this particular quake occurred has a very high level of seismic activity, experiencing numerous tremors annually. Residents are accustomed to seismic events, and civil protection protocols are regularly in place to mitigate risks.

Official Response and Safety Recommendations

Following the earthquake, local civil protection agencies are monitoring the situation, though no emergency declarations have been made. The National Center for Disaster Prevention (Cenapred) consistently advises the public to rely on official sources for information and to follow safety guidelines during and after seismic events. These recommendations include:

• Remaining calm and seeking safety zones during a tremor.
• Checking homes for potential damage after the shaking stops.
• Using telephones only for emergencies.
• Avoiding lighting matches or candles until gas leaks are ruled out.
• Being prepared for potential aftershocks.