Earthquake details

Friday, October 25, 1918 Earthquake

The earthquake hit Puerto Rico on Friday, October 25, 1918 at 03:42 UTC with a magnitude of 6.4. The closest known location in the current dataset is Mayagüez (Puerto Rico - PR), about 27.8 km away. The epicenter is located at longitude -67.214 and latitude 18.441.

Magnitude	6.4
Alert	Severe
Depth	15.0 km
Coordinates	18.441, -67.214
UTC time	1918-10-25 03:42:59.780

Location	Mayagüez
Country	Puerto Rico (PR)
Severity	Severe

Earthquake map 1918-10-25

Closest countries

The 12 closest cities near the epicenter.

Mayagüez	27.8 km
Arecibo	52.7 km
Ponce	78.7 km
Vega Baja	87.3 km
Levittown	109.0 km
Bayamón	111.9 km
Guaynabo	116.9 km
San Juan	117.1 km
Caguas	125.3 km
Punta Cana	126.6 km
Trujillo Alto	127.8 km
Carolina	132.9 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.2 San Juan Puerto Rico · 2026-04-13 02:06 UTC	98.0 km
M 4.3 Arecibo Puerto Rico · 2025-08-22 16:28 UTC	42.8 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.

Set a minimum magnitude for notifications.

Set up alerts Create account