M4.0 earthquake 104 km ESE of Iquique, Chile
A magnitude 4.0 earthquake struck 104 km ESE of Iquique, Chile on Mon, May 25, 2020, 9:52 PM GMT-4 (01:52 UTC), 81 km (50 mi) below the surface.
A larger quake followed: M4.2 148 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
- 4.0 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-05-26 01:52:36 UTC
- Depth
- 81.1 km (50.4 mi), intermediate-depth
- Epicenter
- 20.495° S, 69.200° W
- Region
- Chile
- Felt reports
- 17
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
17 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 4.0 Mwr
- Nodal plane 1
- Strike 349°, dip 51°, rake -117°
- Nodal plane 2
- Strike 208°, dip 46°, rake -61°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 50°
- Stations used
- 55
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.0114 km ESE of Iquique, Chile · 2311 days ago · 119 km deep · 27 km away
- 3.445 km SE of Iquique, Chile · 2293 days ago · 85 km deep · 69 km away · felt by 3
- 4.1117 km SE of Iquique, Chile · 2275 days ago · 60 km deep · 56 km away · felt by 2
- 4.2148 km N of Calama, Chile · 2272 days ago · 117 km deep · 77 km away
- 4.0167 km ESE of Iquique, Chile · 2271 days ago · 122 km deep · 69 km away
- 4.1102 km ESE of Iquique, Chile · 2261 days ago · 114 km deep · 7 km away · felt by 1
- 4.1158 km ESE of Iquique, Chile · 2261 days ago · 108 km deep · 61 km away
Before
- 4.190 km NE of Iquique, Chile · 2321 days ago · 102 km deep · 97 km away · felt by 5
- 3.224 km E of Iquique, Chile · 2322 days ago · 47 km deep · 83 km away · felt by 2
- 3.3102 km E of Iquique, Chile · 2324 days ago · 92 km deep · 13 km away · felt by 3
- 4.3152 km N of Calama, Chile · 2326 days ago · 104 km deep · 82 km away
- 4.1Tarapaca, Chile · 2326 days ago · 103 km deep · 5 km away · felt by 4
- 4.7104 km E of Iquique, Chile · 2333 days ago · 104 km deep · 35 km away · felt by 21
- 4.6104 km ESE of Iquique, Chile · 2342 days ago · 94 km deep · 2 km away · felt by 27
- 4.0129 km E of Iquique, Chile · 2349 days ago · 113 km deep · 29 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70009qbf. Read Fri, Oct 2, 2026, 6:49 AM UTC.