M5.6 earthquake 77 km NNW of Antofagasta, Chile

A magnitude 5.6 earthquake struck 77 km NNW of Antofagasta, Chile on Sun, Jul 30, 1995, 6:56 AM GMT-4 (10:56 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 68 km NNW of Antofagasta, Chile. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
5.6	Ms, surface-wave	USGS National Earthquake Information Center	Preferred · Reviewed · 39 stations
5.85	Mw, moment	ISC-GEM global catalog	Final · ±0.26

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 2.6 and up: 73 in the 60 days after this one and 14 in the 30 days before it.

The first 60 of 73.

From the USGS Earthquake Hazards Program and its partner networks, event usp0007169 (also filed as iscgem96164). Read Sun, Oct 4, 2026, 6:54 AM UTC.