Peru earthquakes

M4.1 earthquake 9 km NE of Palca, Peru

A magnitude 4.1 earthquake struck 9 km NE of Palca, Peru on Tue, Jul 6, 2021, 4:40 PM GMT-5 (21:40 UTC), 158 km (98 mi) below the surface.

A larger quake followed: M4.7 89 km E of Arica, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-07-06 21:40:09 UTC
Depth
157.8 km (98.1 mi), intermediate-depth
Epicenter
17.705° S, 69.906° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.5 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
199°, poorly surrounded by stations
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.348 km ESE of Palca, Peru · 1913 days ago · 133 km deep · 47 km away
  2. 4.230 km SE of Palca, Peru · 1907 days ago · 131 km deep · 33 km away
  3. 4.524 km SSE of Mazo Cruz, Peru · 1890 days ago · 177 km deep · 88 km away · felt by 1
  4. 4.789 km E of Arica, Chile · 1886 days ago · 126 km deep · 93 km away · felt by 1
  5. 4.616 km NW of Pujocucho, Peru · 1885 days ago · 20 km deep · 93 km away
  6. 4.449 km SE of Calana, Peru · 1872 days ago · 133 km deep · 59 km away
  7. 4.725 km N of Arica, Chile · 1868 days ago · 84 km deep · 73 km away · felt by 2
  8. 4.317 km WNW of Palca, Peru · 1866 days ago · 102 km deep · 21 km away · felt by 1
  9. 4.228 km SSE of Mazo Cruz, Peru · 1865 days ago · 188 km deep · 89 km away · felt by 1
  10. 4.340 km ENE of Palca, Peru · 1858 days ago · 162 km deep · 33 km away
  11. 4.378 km ESE of Palca, Peru · 1857 days ago · 170 km deep · 76 km away

Before

  1. 4.527 km ESE of Estique, Peru · 1923 days ago · 10 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ej7n. Read Sat, Oct 3, 2026, 3:28 AM UTC.