M4.2 earthquake 17 km SE of Arica, Chile
A magnitude 4.2 earthquake struck 17 km SE of Arica, Chile on Sun, Oct 20, 2013, 6:51 PM GMT-3 (21:51 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M4.8 62 km E of Arica, Chile. 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2013-10-20 21:51:32 UTC
- Depth
- 58.2 km (36.2 mi), shallow
- Epicenter
- 18.590° S, 70.183° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.22
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.862 km E of Arica, Chile · 4695 days ago · 81 km deep · 51 km away
- 4.874 km SE of Palca, Peru · 4683 days ago · 126 km deep · 75 km away
- 4.491 km ESE of Arica, Chile · 4677 days ago · 134 km deep · 75 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000khpg. Read Mon, Oct 5, 2026, 11:58 AM UTC.