M4.6 earthquake 46 km ESE of Arica, Chile
A magnitude 4.6 earthquake struck 46 km ESE of Arica, Chile on Sat, Oct 31, 2020, 11:47 PM GMT-3 (02:47 UTC), 86 km (54 mi) below the surface.
A larger quake followed: M5.1 114 km SE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-11-01 02:47:33 UTC
- Depth
- 86.2 km (53.6 mi), intermediate-depth
- Epicenter
- 18.671° S, 69.906° 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 3.2 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 85°
- Stations used
- 46
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.251 km ESE of Arica, Chile · 2159 days ago · 134 km deep · 7 km away
- 4.532 km SE of Tacna, Peru · 2142 days ago · 131 km deep · 55 km away · felt by 3
- 3.987 km SSW of Arica, Chile · 2125 days ago · 69 km deep · 91 km away · felt by 3
- 4.128 km SE of Calana, Peru · 2124 days ago · 124 km deep · 65 km away
- 4.486 km S of Arica, Chile · 2121 days ago · 52 km deep · 73 km away · felt by 13
- 5.1114 km SE of Arica, Chile · 2105 days ago · 111 km deep · 69 km away · felt by 27
Before
- 4.179 km ESE of Arica, Chile · 2168 days ago · 119 km deep · 37 km away
- 4.181 km N of Iquique, Chile · 2173 days ago · 13 km deep · 92 km away · felt by 6
- 4.1126 km ESE of Arica, Chile · 2173 days ago · 136 km deep · 80 km away
- 3.892 km S of Arica, Chile · 2182 days ago · 57 km deep · 75 km away · felt by 2
- 4.3110 km SE of Arica, Chile · 2185 days ago · 124 km deep · 65 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000c8un. Read Fri, Oct 2, 2026, 1:28 PM UTC.