Earthquakes Near Philadelphia, United States 🇺🇸
39,9524°N, -75,1636°W · Populasi 1.573.916 · America/New_York
Seismic Map
Gempa Terbaru 30 hari terakhir · 500 km
No recent earthquakes nearby — that's good news!
No M2.5+ events within 500 km in the last 30 days.
Historical Significant Earthquakes
M5,8
VIRGINIA: LOUISA KABUPATEN, MARYLAND, WASHINGTON D.C.
2011
328 km SW
M5,6
Massachusetts; New Hampshire
1727
470 km NE
M5,5
New York: ROCKAWAY BEACH, Dekat NEW YORK CITY
1884 · 3 casualties
140 km NE
M5,2
Pennsylvania: Philadelphia
1840
17 km S
M4,6
Pennsylvania: READING, FELT TO Kanada
1994
85 km NW
Seismic Context
Negara
🇺🇸 United States
Zona Seismik
High
Pertanyaan yang Sering Diajukan
How often do earthquakes occur near Philadelphia?
Philadelphia 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 Philadelphia in real time.
What is the seismic risk level for Philadelphia?
The seismic risk for Philadelphia is classified as high, based on the country-level seismic zone of United States. With a population of 1,573,916, earthquake preparedness is an important consideration for residents.
What was the largest earthquake near Philadelphia?
The most significant historical earthquake near Philadelphia was a magnitude 5.8 event in 2011, approximately 328 km SW of the city. QuakeFYI tracks 5 significant historical events within 500 km.
Is Philadelphia near a fault line?
No major fault lines have been identified within 1,000 km of Philadelphia. This distance from known fault systems contributes to the region's seismic profile.
What should I do during an earthquake in Philadelphia?
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.