M4.4 earthquake 21 km NW of Arica, Chile
A magnitude 4.4 earthquake struck 21 km NW of Arica, Chile on Fri, Oct 19, 2018, 2:17 AM GMT-3 (05:17 UTC), 66 km (41 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-19 05:17:32 UTC
- Depth
- 66.4 km (41.2 mi), shallow
- Epicenter
- 18.360° S, 70.457° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.2 km horizontally, 2.5 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 140°
- 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.230 km SE of Tacna, Peru · 2890 days ago · 102 km deep · 43 km away
- 4.035 km WSW of Arica, Chile · 2884 days ago · 45 km deep · 30 km away
- 4.163 km E of Arica, Chile · 2878 days ago · 149 km deep · 80 km away · felt by 2
- 4.321 km ESE of Calana, Peru · 2850 days ago · 130 km deep · 60 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000he9f. Read Thu, Oct 1, 2026, 11:02 PM UTC.