Chile earthquakes

M6.0 earthquake 37 km W of Valparaíso, Chile

A magnitude 6.0 earthquake struck 37 km W of Valparaíso, Chile on Sat, Apr 22, 2017, 11:36 PM GMT-3 (02:36 UTC), 21 km (13 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: 6.0 (mww), strong
Local time: Sat, Apr 22, 2017, 11:36 PM GMT-3
UTC: 2017-04-23 02:36:07 UTC
Depth: 21.0 km (13.0 mi), shallow
Epicenter: 33.035° S, 72.030° W
Region: Chile
Felt reports: 567
Strongest shaking: V, moderate shaking
PAGER alert: Green
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

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

Strongest estimated: V, moderate shaking
Peak ground acceleration: 10.3% of gravity
Peak ground velocity: 2.0 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

567 people reported to the USGS what they felt; the strongest reported shaking was VIII, severe shaking.

Estimated impact

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Alert level: Green: little or no damage or loss of life expected

Deaths: estimated chance of each range
Range	Chance
Under 1	65%
1 to 10	30%
10 to 100	4%
100 to 1,000	Under 1%
1,000 to 10,000	Under 1%
10,000 to 100,000	Under 1%
100,000 to 10,000,000	Under 1%

Economic losses: estimated chance of each range
Range, million USD	Chance
Under 1	65%
1 to 10	30%
10 to 100	4%
100 to 1,000	Under 1%
1,000 to 10,000	Under 1%
10,000 to 100,000	Under 1%
100,000 to 10,000,000	Under 1%

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: 6.0 Mww
Nodal plane 1: Strike 2°, dip 16°, rake 88°
Nodal plane 2: Strike 184°, dip 74°, rake 91°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.7 km horizontally, 1.7 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 40°
Stations used: 201

Nearest places

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

Nearby

Within 100 km, magnitude 3.0 and up: 117 in the 60 days after this one and 4 in the 30 days before it.

After

The first 60 of 117.

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008jvr (also filed as iscgem610547532). Read Mon, Sep 28, 2026, 9:33 AM UTC.