M4.1 earthquake Tarapaca, Chile
A magnitude 4.1 earthquake struck in Tarapaca, Chile on Wed, May 20, 2020, 3:02 AM GMT-4 (07:02 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M4.3 152 km N of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-05-20 07:02:08 UTC
- Depth
- 103.1 km (64.0 mi), intermediate-depth
- Epicenter
- 20.533° S, 69.183° W
- Region
- Chile
- Felt reports
- 4
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
4 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.2 km horizontally, 7.7 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 58°
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3152 km N of Calama, Chile · 2326 days ago · 104 km deep · 78 km away
- 3.3102 km E of Iquique, Chile · 2324 days ago · 92 km deep · 17 km away · felt by 3
- 3.224 km E of Iquique, Chile · 2322 days ago · 47 km deep · 87 km away · felt by 2
- 4.0104 km ESE of Iquique, Chile · 2320 days ago · 81 km deep · 5 km away · felt by 17
- 4.0114 km ESE of Iquique, Chile · 2311 days ago · 119 km deep · 23 km away
- 3.445 km SE of Iquique, Chile · 2293 days ago · 85 km deep · 70 km away · felt by 3
- 4.1117 km SE of Iquique, Chile · 2275 days ago · 60 km deep · 53 km away · felt by 2
- 4.2148 km N of Calama, Chile · 2272 days ago · 117 km deep · 72 km away
- 4.0167 km ESE of Iquique, Chile · 2271 days ago · 122 km deep · 65 km away
Before
- 4.7104 km E of Iquique, Chile · 2334 days ago · 104 km deep · 39 km away · felt by 21
- 4.1154 km NNE of Calama, Chile · 2340 days ago · 145 km deep · 100 km away
- 4.6104 km ESE of Iquique, Chile · 2342 days ago · 94 km deep · 3 km away · felt by 27
- 4.0129 km E of Iquique, Chile · 2350 days ago · 113 km deep · 29 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70009lf8. Read Fri, Oct 2, 2026, 11:13 AM UTC.