Earthquakes Near サンフアン, Puerto Rico 🇵🇷

サンフアン is located in Puerto Rico, which has a moderate seismic risk classification. Earthquake frequency varies, but the QuakeFYI monitoring system tracks all M2.5+ events within 500 km of サンフアン in real time.

What is the seismic risk level for サンフアン?

The seismic risk for サンフアン is classified as moderate, based on the country-level seismic zone of Puerto Rico. With a population of 418,140, earthquake preparedness is an important consideration for residents.

What was the largest earthquake near サンフアン?

The most significant historical earthquake near サンフアン was a magnitude 8.3 event in 1843, approximately 468 km SE of the city, resulting in approximately 5,000 casualties. QuakeFYI tracks 5 significant historical events within 500 km.

Is サンフアン near a fault line?

The nearest major fault line to サンフアン is the Great Southern Puerto Rico Fault, located approximately 80 km away and spanning 56 km in length. Proximity to active faults is a key factor in assessing seismic risk.

What should I do during an earthquake in サンフアン?

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.

Earthquakes Near サンフアン, Puerto Rico 🇵🇷

Seismic Map

最近の地震 過去30日間 · 500 km

Historical Significant Earthquakes

Seismic Context

よくある質問

最近の地震過去30日間 · 500 km