Earthquakes Near San Juan, Puerto Rico 🇵🇷
18.4663°N, -66.1057°W · Population 418,140 · America/Puerto_Rico
Seismic Map
Recent Earthquakes Last 30 days · 500 km
20 events found
M3.1
22 km NNE of Brenas, Puerto Rico
1 week, 2 days ago
29 km NW
M2.5
6 km SSE of Salinas, Puerto Rico
4 weeks ago
64 km S
M2.7
7 km SSE of Ponce, Puerto Rico
6 days, 8 hours ago
77 km SW
M3.1
68 km N of Tierras Nuevas Poniente, Puerto Rico
2 weeks, 1 day ago
79 km NW
M2.7
6 km NE of Isabela, Puerto Rico
1 week, 3 days ago
92 km W
M2.8
7 km NNE of Isabela, Puerto Rico
1 week, 3 days ago
95 km W
M2.8
1 km W of Fuig, Puerto Rico
2 days, 21 hours ago
102 km SW
M2.6
24 km SSE of Maria Antonia, Puerto Rico
3 days, 1 hour ago
107 km SW
M2.7
6 km SW of Guánica, Puerto Rico
4 weeks, 1 day ago
108 km SW
M2.6
3 km W of Mayagüez, Puerto Rico
1 week, 4 days ago
116 km W
M2.7
3 km SSW of La Playa, Puerto Rico
2 weeks, 3 days ago
118 km W
M2.9
45 km N of Charlotte Amalie, U.S. Virgin Islands
3 weeks, 4 days ago
127 km E
M2.9
19 km NW of Rincón, Puerto Rico
2 weeks, 6 days ago
135 km W
M3.9
29 km WNW of Rincón, Puerto Rico
2 weeks, 6 days ago
146 km W
M3.2
82 km NE of Cruz Bay, U.S. Virgin Islands
2 weeks ago
192 km E
M3.2
79 km NE of Cruz Bay, U.S. Virgin Islands
1 week, 2 days ago
196 km E
M3.3
65 km NE of Punta Cana, Dominican Republic
3 weeks ago
198 km W
M2.9
61 km E of Cruz Bay, U.S. Virgin Islands
5 days, 13 hours ago
201 km E
M3.3
92 km NE of Cruz Bay, U.S. Virgin Islands
3 weeks, 4 days ago
211 km E
M3.4
31 km NE of Punta Cana, Dominican Republic
1 week, 6 days ago
220 km W
Historical Significant Earthquakes
Seismic Context
Country
🇵🇷 Puerto Rico
Seismic Zone
Moderate
Frequently Asked Questions
How often do earthquakes occur near San Juan?
San Juan 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 San Juan in real time.
What is the seismic risk level for San Juan?
The seismic risk for San Juan 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 San Juan?
The most significant historical earthquake near San Juan 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 San Juan near a fault line?
The nearest major fault line to San Juan 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 San Juan?
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.