Chile earthquakes

M4.3 earthquake 7 km S of Coquimbo, Chile

A magnitude 4.3 earthquake struck 7 km S of Coquimbo, Chile on Wed, Dec 18, 2019, 3:44 PM GMT-3 (18:44 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M5.0 42 km SSW of Coquimbo, Chile. This one was a foreshock.

Coquimbo 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
4.3 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-12-18 18:44:51 UTC
Depth
45.3 km (28.2 mi), shallow
Epicenter
30.025° S, 71.331° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak 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
4.3 Mwr
Nodal plane 1
Strike 2°, dip 36°, rake 104°
Nodal plane 2
Strike 165°, dip 55°, rake 80°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.3 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
127°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.449 km W of Ovalle, Chile · 2476 days ago · 28 km deep · 80 km away
  2. 4.342 km SSW of Coquimbo, Chile · 2468 days ago · 33 km deep · 37 km away
  3. 5.042 km SSW of Coquimbo, Chile · 2465 days ago · 41 km deep · 36 km away · felt by 10
  4. 4.185 km SW of Coquimbo, Chile · 2464 days ago · 10 km deep · 82 km away
  5. 4.584 km WNW of Coquimbo, Chile · 2458 days ago · 8 km deep · 87 km away
  6. 4.432 km SW of Ovalle, Chile · 2456 days ago · 40 km deep · 88 km away · felt by 1
  7. 3.974 km W of Coquimbo, Chile · 2451 days ago · 10 km deep · 77 km away
  8. 4.875 km WSW of Coquimbo, Chile · 2437 days ago · 13 km deep · 73 km away
  9. 4.136 km NW of Ovalle, Chile · 2425 days ago · 35 km deep · 39 km away
  10. 4.666 km NNW of Coquimbo, Chile · 2422 days ago · 46 km deep · 74 km away · felt by 1

Before

  1. 4.321 km NNW of La Serena, Chile · 2493 days ago · 46 km deep · 33 km away
  2. 4.38 km NNW of La Serena, Chile · 2507 days ago · 56 km deep · 22 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006tb2. Read Fri, Oct 2, 2026, 4:11 AM UTC.