Chile earthquakes

M4.4 earthquake 26 km WSW of Ovalle, Chile

A magnitude 4.4 earthquake struck 26 km WSW of Ovalle, Chile on Wed, Mar 7, 2018, 7:33 PM GMT-3 (22:33 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M6.2 56 km SW of Ovalle, Chile. This one was a foreshock.

Ovalle 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
4.4 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-03-07 22:33:01 UTC
Depth
47.1 km (29.3 mi), shallow
Epicenter
30.720° S, 71.434° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

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

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

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
4.4 Mwr
Nodal plane 1
Strike 9°, dip 37°, rake 109°
Nodal plane 2
Strike 166°, dip 56°, rake 76°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.4 km horizontally, 4.1 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
50°
Stations used
95

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.341 km W of Ovalle, Chile · 3108 days ago · 30 km deep · 22 km away · felt by 1
  2. 4.776 km WSW of Coquimbo, Chile · 3106 days ago · 10 km deep · 87 km away · felt by 1
  3. 4.139 km NW of Ovalle, Chile · 3104 days ago · 32 km deep · 45 km away
  4. 4.183 km W of Ovalle, Chile · 3102 days ago · 24 km deep · 63 km away
  5. 4.083 km WSW of Ovalle, Chile · 3101 days ago · 10 km deep · 58 km away
  6. 6.256 km SW of Ovalle, Chile · 3097 days ago · 66 km deep · 35 km away · felt by 389
  7. 3.430 km WNW of Coquimbo, Chile · 3091 days ago · 32 km deep · 97 km away · felt by 4
  8. 4.711 km WSW of Ovalle, Chile · 3081 days ago · 56 km deep · 15 km away · felt by 6

Before

  1. 4.732 km S of Ovalle, Chile · 3133 days ago · 60 km deep · 26 km away
  2. 4.357 km SSW of Ovalle, Chile · 3133 days ago · 60 km deep · 38 km away
  3. 3.932 km WNW of Illapel, Chile · 3141 days ago · 52 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d16x. Read Fri, Oct 2, 2026, 12:55 AM UTC.