Chile earthquakes

M4.0 earthquake 58 km W of Valparaíso, Chile

A magnitude 4.0 earthquake struck 58 km W of Valparaíso, Chile on Tue, Sep 5, 2017, 1:54 AM GMT-3 (04:54 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.9 16 km S of San Antonio, 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
2017-09-05 04:54:52 UTC
Depth
16.1 km (10.0 mi), shallow
Epicenter
33.097° S, 72.256° 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 161°, dip 58°, rake 70°
Nodal plane 2
Strike 15°, dip 37°, rake 119°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.1 km horizontally, 3.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
180°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.916 km S of San Antonio, Chile · 3288 days ago · 46 km deep · 94 km away · felt by 195
  2. 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 52 km away · felt by 45
  3. 4.035 km W of Valparaíso, Chile · 3278 days ago · 19 km deep · 25 km away · felt by 34
  4. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 76 km away · felt by 103
  5. 4.045 km W of Valparaíso, Chile · 3274 days ago · 16 km deep · 18 km away
  6. 3.710 km SSW of Valparaíso, Chile · 3269 days ago · 30 km deep · 54 km away · felt by 42
  7. 4.056 km W of Valparaíso, Chile · 3268 days ago · 20 km deep · 7 km away · felt by 29
  8. 4.287 km WSW of San Antonio, Chile · 3258 days ago · 14 km deep · 93 km away
  9. 4.584 km WSW of San Antonio, Chile · 3258 days ago · 14 km deep · 91 km away · felt by 30

Before

  1. 4.250 km W of Valparaíso, Chile · 3314 days ago · 18 km deep · 13 km away · felt by 31
  2. 4.330 km WNW of Hacienda La Calera, Chile · 3321 days ago · 28 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000afwg. Read Thu, Sep 24, 2026, 1:58 PM UTC.