Earthquakes Near Сан-Антонио, United States 🇺🇸

Сан-Антонио is located in United States, which has a high seismic risk classification. Earthquake frequency varies, but the QuakeFYI monitoring system tracks all M2.5+ events within 500 km of Сан-Антонио in real time.

What is the seismic risk level for Сан-Антонио?

The seismic risk for Сан-Антонио is classified as high, based on the country-level seismic zone of United States. With a population of 1,526,656, earthquake preparedness is an important consideration for residents.

What was the largest earthquake near Сан-Антонио?

The most significant historical earthquake near Сан-Антонио was a magnitude 2.1 event in 2013, approximately 298 km NE of the city, resulting in approximately 14 casualties. QuakeFYI tracks 1 significant historical events within 500 km.

Is Сан-Антонио near a fault line?

The nearest major fault line to Сан-Антонио is the West Lobo Valley fault zone, located approximately 615 km away and spanning 61 km in length. Proximity to active faults is a key factor in assessing seismic risk.

What should I do during an earthquake in Сан-Антонио?

During an earthquake, follow the Drop-Cover-Hold On protocol: drop to your hands and knees, take cover under sturdy furniture, and hold on until shaking stops. Move away from windows, exterior walls, and heavy objects. After the shaking stops, be prepared for aftershocks and check for injuries and hazards.