M4.2 earthquake 93 km SE of Palca, Peru
A magnitude 4.2 earthquake struck 93 km SE of Palca, Peru on Sat, Sep 29, 2018, 2:38 AM GMT-3 (05:38 UTC), 135 km (84 mi) below the surface.
A larger quake followed: M4.7 14 km S 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 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-09-29 05:38:51 UTC
- Depth
- 135.4 km (84.2 mi), intermediate-depth
- Epicenter
- 18.360° S, 69.318° 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 7.6 km horizontally, 7.5 km in depth
- Depth from
- From location
- Station coverage gap
- 67°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.391 km SE of Arica, Chile · 2925 days ago · 99 km deep · 74 km away · felt by 1
- 4.199 km SE of Arica, Chile · 2914 days ago · 138 km deep · 74 km away
- 4.714 km S of Palca, Peru · 2906 days ago · 114 km deep · 87 km away · felt by 4
- 4.230 km SE of Tacna, Peru · 2891 days ago · 102 km deep · 81 km away
- 4.163 km E of Arica, Chile · 2878 days ago · 149 km deep · 41 km away · felt by 2
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000h45r. Read Fri, Oct 2, 2026, 6:46 AM UTC.