M4.1 earthquake 15 km NW of Arica, Chile
A magnitude 4.1 earthquake struck 15 km NW of Arica, Chile on Tue, Apr 23, 2019, 6:16 AM GMT-4 (10:16 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M5.1 14 km N of Calana, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-04-23 10:16:15 UTC
- Depth
- 74.5 km (46.3 mi), intermediate-depth
- Epicenter
- 18.382° S, 70.413° W
- Region
- Chile
- 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 6.6 km horizontally, 7.5 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 48
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 3 in the 30 days before it.
After
- 4.132 km WNW of Arica, Chile · 2700 days ago · 70 km deep · 17 km away
- 5.114 km N of Calana, Peru · 2697 days ago · 114 km deep · 68 km away · felt by 2
- 5.112 km W of Palca, Peru · 2697 days ago · 107 km deep · 78 km away
- 4.112 km NE of Locumba, Peru · 2680 days ago · 121 km deep · 98 km away
- 4.346 km SSW of Arica, Chile · 2672 days ago · 58 km deep · 56 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70003alj. Read Sat, Oct 3, 2026, 7:52 PM UTC.