M4.0 earthquake Tarapaca, Chile
A magnitude 4.0 earthquake struck in Tarapaca, Chile on Wed, Oct 13, 2021, 9:06 AM GMT-3 (12:06 UTC), 113 km (70 mi) below the surface.
A larger quake followed: M4.7 141 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-10-13 12:06:13 UTC
- Depth
- 113.2 km (70.4 mi), intermediate-depth
- Epicenter
- 19.867° S, 69.165° 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, 5.3 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
- Station coverage gap
- 68°
- Stations used
- 25
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
- 4.2142 km E of Iquique, Chile · 1798 days ago · 114 km deep · 74 km away
- 4.4101 km SSE of Arica, Chile · 1793 days ago · 89 km deep · 94 km away · felt by 2
- 4.090 km NE of Iquique, Chile · 1789 days ago · 102 km deep · 41 km away · felt by 1
- 4.6119 km ESE of Iquique, Chile · 1774 days ago · 95 km deep · 79 km away · felt by 18
- 4.7141 km NE of Iquique, Chile · 1767 days ago · 119 km deep · 67 km away · felt by 3
- 4.3147 km E of Iquique, Chile · 1763 days ago · 122 km deep · 68 km away
Before
- 4.5142 km E of Iquique, Chile · 1834 days ago · 119 km deep · 73 km away · felt by 1
- 4.392 km ENE of Iquique, Chile · 1843 days ago · 103 km deep · 23 km away · felt by 9
- 4.2126 km SE of Arica, Chile · 1844 days ago · 119 km deep · 77 km away
- 4.5139 km E of Iquique, Chile · 1844 days ago · 118 km deep · 45 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fu7b. Read Sun, Oct 4, 2026, 1:04 AM UTC.