M4.0 earthquake 111 km ENE of Iquique, Chile
A magnitude 4.0 earthquake struck 111 km ENE of Iquique, Chile on Wed, Jan 21, 2015, 9:57 AM GMT-3 (12:57 UTC), 98 km (61 mi) below the surface.
A larger quake followed: M5.2 106 km E 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), light
- Local time
- UTC
- 2015-01-21 12:57:55 UTC
- Depth
- 97.5 km (60.6 mi), intermediate-depth
- Epicenter
- 19.887° S, 69.145° 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 7.6 km horizontally, 4.4 km in depth
- Magnitude uncertainty
- ±0.37
- Stations used
- 0
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 4 in the 30 days before it.
After
- 4.174 km ENE of Iquique, Chile · 4257 days ago · 86 km deep · 38 km away
- 4.1101 km ENE of Iquique, Chile · 4250 days ago · 102 km deep · 27 km away
- 4.0100 km E of Iquique, Chile · 4245 days ago · 99 km deep · 22 km away
- 3.8100 km E of Iquique, Chile · 4239 days ago · 93 km deep · 21 km away
- 5.2106 km E of Iquique, Chile · 4229 days ago · 106 km deep · 52 km away · felt by 1
- 4.5129 km ESE of Iquique, Chile · 4227 days ago · 103 km deep · 72 km away
- 4.782 km NE of Iquique, Chile · 4223 days ago · 98 km deep · 46 km away · felt by 2
Before
- 4.2140 km ESE of Iquique, Chile · 4279 days ago · 104 km deep · 76 km away
- 4.8126 km E of Iquique, Chile · 4282 days ago · 107 km deep · 61 km away · felt by 1
- 4.7153 km SSW of Curahuara de Carangas, Bolivia · 4291 days ago · 113 km deep · 84 km away
- 4.8143 km ENE of Iquique, Chile · 4293 days ago · 112 km deep · 32 km away · felt by 3
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000tkb8. Read Wed, Sep 30, 2026, 4:21 AM UTC.