M4.2 earthquake 68 km E of Estique, Peru
A magnitude 4.2 earthquake struck 68 km E of Estique, Peru on Sun, Oct 22, 2017, 6:28 AM GMT-5 (11:28 UTC), 165 km (102 mi) below the surface.
A larger quake followed: M4.9 30 km SSE of Palca, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 2017-10-22 11:28:45 UTC
- Depth
- 164.9 km (102.5 mi), intermediate-depth
- Epicenter
- 17.439° S, 69.381° 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 9.4 km horizontally, 6.7 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 116°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.312 km E of Palca, Peru · 3240 days ago · 153 km deep · 61 km away
- 4.215 km ESE of Estique, Peru · 3239 days ago · 156 km deep · 57 km away
- 4.870 km ENE of Palca, Peru · 3229 days ago · 154 km deep · 15 km away · felt by 2
- 4.629 km SE of Mazo Cruz, Peru · 3226 days ago · 182 km deep · 57 km away
- 4.370 km ESE of Palca, Peru · 3207 days ago · 158 km deep · 54 km away
- 4.930 km SSE of Palca, Peru · 3206 days ago · 110 km deep · 84 km away
- 4.863 km ESE of Palca, Peru · 3206 days ago · 142 km deep · 61 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000aymh. Read Wed, Sep 30, 2026, 11:55 PM UTC.