Peru earthquakes

M4.9 earthquake 75 km SE of Palca, Peru

A magnitude 4.9 earthquake struck 75 km SE of Palca, Peru on Tue, Jan 9, 2018, 10:16 PM GMT-5 (03:16 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M6.3 100 km ESE of Arica, Chile. This one was a foreshock.

Tacna forecastMore in Peru

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-01-10 03:16:43 UTC
Depth
126.5 km (78.6 mi), intermediate-depth
Epicenter
18.192° S, 69.395° W
Region
Peru
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

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

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
61°
Stations used
141

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 8 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 6.3100 km ESE of Arica, Chile · 3175 days ago · 116 km deep · 77 km away · felt by 64
  2. 4.283 km SE of Palca, Peru · 3174 days ago · 123 km deep · 20 km away
  3. 4.992 km SE of Palca, Peru · 3171 days ago · 10 km deep · 18 km away
  4. 4.292 km SE of Palca, Peru · 3170 days ago · 10 km deep · 17 km away
  5. 4.560 km ESE of Palca, Peru · 3167 days ago · 135 km deep · 20 km away
  6. 4.555 km ENE of Palca, Peru · 3157 days ago · 133 km deep · 64 km away
  7. 4.7120 km ESE of Arica, Chile · 3144 days ago · 109 km deep · 86 km away · felt by 1
  8. 4.2Peru-Bolivia border region · 3131 days ago · 163 km deep · 96 km away

Before

  1. 4.865 km E of Estique, Peru · 3201 days ago · 149 km deep · 81 km away
  2. 4.863 km ESE of Palca, Peru · 3206 days ago · 142 km deep · 22 km away
  3. 4.930 km SSE of Palca, Peru · 3206 days ago · 110 km deep · 53 km away
  4. 4.059 km E of Arica, Chile · 3207 days ago · 142 km deep · 53 km away
  5. 4.370 km ESE of Palca, Peru · 3208 days ago · 158 km deep · 32 km away
  6. 5.09 km E of Tacna, Peru · 3212 days ago · 94 km deep · 83 km away · felt by 1
  7. 4.283 km E of Arica, Chile · 3212 days ago · 136 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000c30a. Read Thu, Oct 1, 2026, 3:24 AM UTC.