Chile earthquakes

M4.9 earthquake 48 km W of Valparaíso, Chile

A magnitude 4.9 earthquake struck 48 km W of Valparaíso, Chile on Sat, Apr 22, 2017, 7:46 PM GMT-3 (22:46 UTC), 9 km (6 mi) below the surface.

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

Valparaíso forecast More in Chile

Map

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

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The earthquake

Magnitude: 4.9 (mwr), light
Local time: Sat, Apr 22, 2017, 7:46 PM GMT-3
UTC: 2017-04-22 22:46:42 UTC
Depth: 9.4 km (5.9 mi), shallow
Epicenter: 32.985° S, 72.146° W
Region: Chile
Felt reports: 17
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

17 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique reverse
Moment magnitude: 4.9 Mwr
Nodal plane 1: Strike 28°, dip 30°, rake 120°
Nodal plane 2: Strike 174°, dip 64°, rake 74°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.1 km horizontally, 3.4 km in depth
Magnitude uncertainty: ±0.03
Depth from: From location
Station coverage gap: 38°
Stations used: 171

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 156 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 156.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008juc (also filed as iscgem610547489). Read Tue, Sep 29, 2026, 7:33 AM UTC.