Earthquake details

Sunday, March 18, 1979 Earthquake

The earthquake hit Puerto Rico on Sunday, March 18, 1979 at 22:37 UTC with a magnitude of 5.1. The closest known location in the current dataset is Fajardo (Puerto Rico - PR), about 194.2 km away. The epicenter is located at longitude -64.727 and latitude 19.835.

Magnitude	5.1
Alert	Strong
Depth	40.0 km
Coordinates	19.835, -64.727
UTC time	1979-03-18 22:37:28.100

Location	Fajardo
Country	Puerto Rico (PR)
Severity	Strong

Earthquake map 1979-03-18

Closest countries

The 12 closest cities near the epicenter.

Fajardo	194.2 km
Carolina	207.3 km
San Juan	210.3 km
Trujillo Alto	212.8 km
Levittown	217.2 km
Bayamón	219.4 km
Guaynabo	219.7 km
Caguas	226.0 km
Vega Baja	233.4 km
St Croix	234.6 km
Arecibo	258.3 km
Ponce	284.9 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	230.3 km
M 4.0 Carolina Puerto Rico · 2025-10-21 07:39 UTC	123.3 km

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