M4.7 earthquake 36 km W of Valparaíso, Chile

A magnitude 4.7 earthquake struck 36 km W of Valparaíso, Chile on Sat, Apr 22, 2017, 11:42 PM GMT-3 (02:42 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M6.9 40 km W of Valparaíso, Chile. This one was a foreshock.

Map

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

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 1.7 and up: 150 in the 60 days after this one and 5 in the 30 days before it.

The first 60 of 150.

From the USGS Earthquake Hazards Program and its partner networks, event us10008n77. Read Wed, Sep 30, 2026, 5:10 PM UTC.