M4.0 earthquake 29 km NNE of Iquique, Chile
A magnitude 4.0 earthquake struck 29 km NNE of Iquique, Chile on Wed, Jul 11, 2018, 3:22 AM GMT-4 (07:22 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M5.2 105 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
- 2018-07-11 07:22:43 UTC
- Depth
- 23.0 km (14.3 mi), shallow
- Epicenter
- 19.979° S, 70.008° 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 5.0 km horizontally, 11.2 km in depth
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
- Station coverage gap
- 147°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.2105 km NE of Iquique, Chile · 2980 days ago · 84 km deep · 79 km away · felt by 8
- 4.8113 km NE of Iquique, Chile · 2970 days ago · 105 km deep · 87 km away · felt by 1
- 4.036 km W of Iquique, Chile · 2961 days ago · 37 km deep · 55 km away
Before
- 4.1121 km NE of Iquique, Chile · 3015 days ago · 102 km deep · 94 km away
- 4.591 km NNW of Iquique, Chile · 3023 days ago · 65 km deep · 79 km away · felt by 1
- 4.3108 km ENE of Iquique, Chile · 3030 days ago · 95 km deep · 88 km away
- 4.582 km ENE of Iquique, Chile · 3031 days ago · 117 km deep · 59 km away
- 4.299 km E of Iquique, Chile · 3033 days ago · 97 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000g1z9. Read Thu, Oct 1, 2026, 10:17 AM UTC.