Chile earthquakes

M4.0 earthquake 54 km W of Valparaíso, Chile

A magnitude 4.0 earthquake struck 54 km W of Valparaíso, Chile on Tue, Apr 25, 2017, 5:29 AM GMT-3 (08:29 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.9 37 km WSW of Valparaíso, Chile. This one was a foreshock.

Valparaíso forecastMore in Chile

Map

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

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The earthquake

Magnitude
4.0 (mwr), light
Local time
UTC
2017-04-25 08:29:04 UTC
Depth
18.5 km (11.5 mi), shallow
Epicenter
33.124° S, 72.208° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

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

Faulting
Reverse (thrust)
Moment magnitude
4.0 Mwr
Nodal plane 1
Strike 6°, dip 37°, rake 101°
Nodal plane 2
Strike 173°, dip 54°, rake 82°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.8 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 87 in the 30 days before it.

After

The first 60 of 68.

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008kkn. Read Tue, Sep 29, 2026, 3:58 PM UTC.