Chile earthquakes

M4.3 earthquake 129 km ESE of Arica, Chile

A magnitude 4.3 earthquake struck 129 km ESE of Arica, Chile on Mon, Sep 16, 2019, 3:39 PM GMT-3 (18:39 UTC), 95 km (59 mi) below the surface.

A larger quake followed: M4.6 118 km ESE of Arica, Chile. This one was a foreshock.

Arica 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
2019-09-16 18:39:44 UTC
Depth
95.1 km (59.1 mi), intermediate-depth
Epicenter
19.050° S, 69.225° 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
Oblique normal
Moment magnitude
4.3 Mwr
Nodal plane 1
Strike 199°, dip 36°, rake -43°
Nodal plane 2
Strike 326°, dip 66°, rake -118°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.6 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
117°
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: 8 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.2130 km SE of Arica, Chile · 2564 days ago · 111 km deep · 14 km away
  2. 4.6118 km ESE of Arica, Chile · 2537 days ago · 146 km deep · 13 km away
  3. 4.6113 km NE of Iquique, Chile · 2533 days ago · 100 km deep · 59 km away
  4. 4.5112 km ESE of Arica, Chile · 2533 days ago · 111 km deep · 17 km away
  5. 4.197 km ENE of Iquique, Chile · 2533 days ago · 100 km deep · 87 km away
  6. 4.3117 km ESE of Arica, Chile · 2532 days ago · 111 km deep · 14 km away · felt by 1
  7. 4.1121 km NE of Iquique, Chile · 2522 days ago · 95 km deep · 40 km away
  8. 4.392 km ESE of Arica, Chile · 2517 days ago · 136 km deep · 39 km away

Before

  1. 4.1142 km ESE of Arica, Chile · 2578 days ago · 134 km deep · 17 km away
  2. 4.1101 km ESE of Arica, Chile · 2580 days ago · 117 km deep · 32 km away
  3. 4.2105 km NE of Iquique, Chile · 2585 days ago · 99 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005h7a. Read Mon, Oct 5, 2026, 8:04 AM UTC.