Peru earthquakes

M6.6 earthquake 16 km S of Comas, Peru

A magnitude 6.6 earthquake struck 16 km S of Comas, Peru on Wed, Oct 1, 1969, 12:05 AM GMT-5 (05:05 UTC), 15 km (9 mi) below the surface.

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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
6.6 (mw), strong
Local time
UTC
1969-10-01 05:05:48 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
11.870° S, 75.094° W
Region
Peru
Strongest shaking
VII, very strong shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
VII, very strong shaking
Peak ground acceleration
32.1% of gravity
Peak ground velocity
3.6 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.30
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 9 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.314 km ENE of Ingenio, Peru · 20810 days ago · 15 km deep · 6 km away
  2. 5.817 km WSW of Andamarca, Peru · 20810 days ago · 10 km deep · 18 km away
  3. 5.45 km WSW of Cochas, Peru · 20810 days ago · 15 km deep · 23 km away
  4. 6.014 km SSE of Comas, Peru · 20810 days ago · 10 km deep · 8 km away
  5. 5.36 km SE of Comas, Peru · 20809 days ago · 15 km deep · 14 km away
  6. 5.521 km NE of Palianñuñas, Peru · 20809 days ago · 10 km deep · 8 km away
  7. 5.39 km ENE of Ingenio, Peru · 20805 days ago · 12 km deep · 11 km away
  8. 5.414 km S of Comas, Peru · 20805 days ago · 10 km deep · 2 km away
  9. 5.33 km ESE of San Agustin, Peru · 20790 days ago · 14 km deep · 19 km away

Before

  1. 5.253 km ESE of Andamarca, Peru · 20813 days ago · 13 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem802947 (also filed as atlas19691001050545). Read Tue, Sep 22, 2026, 2:47 AM UTC.