Chile earthquakes

M5.1 earthquake Tarapaca, Chile

A magnitude 5.1 earthquake struck in Tarapaca, Chile on Sat, Aug 5, 2023, 1:38 PM GMT-4 (17:38 UTC), 101 km (63 mi) below the surface.

A larger quake followed: M5.2 57 km E of La Tirana, Chile. This one was a foreshock.

Pozo Almonte 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
5.1 (Mww, W-phase moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-08-05 17:38:40 UTC
Depth
100.8 km (62.6 mi), intermediate-depth
Epicenter
19.553° S, 69.047° W
Region
Chile
Felt reports
7
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

7 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
Normal
Moment magnitude
5.1 Mww
Nodal plane 1
Strike 176°, dip 45°, rake -65°
Nodal plane 2
Strike 323°, dip 50°, rake -112°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.3 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
42°
Stations used
171

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 12 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.13 km SE of Camiña, Chile · 1154 days ago · 106 km deep · 44 km away
  2. 4.563 km ENE of La Tirana, Chile · 1151 days ago · 100 km deep · 69 km away · felt by 4
  3. 4.0Tarapaca, Chile · 1148 days ago · 112 km deep · 59 km away · felt by 1
  4. 4.552 km ENE of La Tirana, Chile · 1144 days ago · 99 km deep · 72 km away · felt by 3
  5. 4.025 km SSE of Camiña, Chile · 1143 days ago · 109 km deep · 29 km away
  6. 5.257 km E of La Tirana, Chile · 1138 days ago · 85 km deep · 96 km away · felt by 17
  7. 4.285 km E of La Tirana, Chile · 1136 days ago · 128 km deep · 98 km away
  8. 4.357 km E of La Tirana, Chile · 1125 days ago · 110 km deep · 81 km away · felt by 1
  9. 3.75 km N of Huara, Chile · 1116 days ago · 66 km deep · 88 km away · felt by 2
  10. 4.147 km NE of La Tirana, Chile · 1112 days ago · 93 km deep · 64 km away · felt by 3
  11. 4.452 km ENE of Huara, Chile · 1108 days ago · 105 km deep · 39 km away · felt by 1
  12. 4.765 km E of La Tirana, Chile · 1104 days ago · 95 km deep · 77 km away · felt by 5

Before

  1. 4.446 km ENE of Cuya, Chile · 1176 days ago · 96 km deep · 100 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ky52. Read Sun, Oct 4, 2026, 8:15 PM UTC.