M3.8 earthquake 121 km NE of Tocopilla, Chile
A magnitude 3.8 earthquake struck 121 km NE of Tocopilla, Chile on Wed, Aug 3, 2016, 3:41 AM GMT-4 (07:41 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M4.7 137 km ESE 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
- 3.8 (mb), minor
- Local time
- UTC
- 2016-08-03 07:41:38 UTC
- Depth
- 73.9 km (45.9 mi), intermediate-depth
- Epicenter
- 21.238° S, 69.466° 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 6.0 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.29
- 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: 8 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.9Tarapaca, Chile · 3701 days ago · 116 km deep · 78 km away
- 4.4113 km ESE of Iquique, Chile · 3699 days ago · 111 km deep · 68 km away
- 4.7137 km ESE of Iquique, Chile · 3694 days ago · 110 km deep · 92 km away
- 4.493 km S of Iquique, Chile · 3694 days ago · 32 km deep · 83 km away
- 4.386 km NNE of Calama, Chile · 3691 days ago · 126 km deep · 90 km away
- 4.1123 km N of Calama, Chile · 3691 days ago · 111 km deep · 78 km away
- 4.455 km ESE of Iquique, Chile · 3667 days ago · 80 km deep · 99 km away
- 4.0127 km N of Calama, Chile · 3650 days ago · 130 km deep · 62 km away
Before
- 4.5136 km N of Calama, Chile · 3720 days ago · 122 km deep · 75 km away
- 4.2147 km NNE of Calama, Chile · 3727 days ago · 136 km deep · 99 km away
- 4.483 km N of Tocopilla, Chile · 3728 days ago · 26 km deep · 70 km away
- 4.5152 km N of Calama, Chile · 3734 days ago · 114 km deep · 54 km away · felt by 1
- 4.2132 km SE of Iquique, Chile · 3736 days ago · 111 km deep · 51 km away
- 4.488 km ESE of Iquique, Chile · 3738 days ago · 88 km deep · 87 km away
- 4.9117 km ESE of Iquique, Chile · 3740 days ago · 91 km deep · 68 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100069nw. Read Wed, Sep 30, 2026, 10:32 AM UTC.