M4.3 earthquake 91 km SE of Arica, Chile
A magnitude 4.3 earthquake struck 91 km SE of Arica, Chile on Sat, Sep 29, 2018, 11:26 AM GMT-3 (14:26 UTC), 99 km (62 mi) below the surface.
A larger quake followed: M6.2 115 km NE of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-09-29 14:26:34 UTC
- Depth
- 99.5 km (61.8 mi), intermediate-depth
- Epicenter
- 18.967° S, 69.602° 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 7.7 km horizontally, 6.4 km in depth
- Depth from
- From location
- Station coverage gap
- 109°
- Stations used
- 34
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.199 km SE of Arica, Chile · 2914 days ago · 138 km deep · 9 km away
- 6.2115 km NE of Iquique, Chile · 2891 days ago · 102 km deep · 77 km away · felt by 69
- 4.230 km SE of Tacna, Peru · 2891 days ago · 102 km deep · 96 km away
- 4.794 km NE of Iquique, Chile · 2887 days ago · 87 km deep · 86 km away · felt by 5
- 4.163 km E of Arica, Chile · 2878 days ago · 149 km deep · 67 km away · felt by 2
- 4.5136 km NE of Iquique, Chile · 2866 days ago · 106 km deep · 68 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000h4a5. Read Fri, Oct 2, 2026, 6:47 AM UTC.