M4.0 earthquake 23 km WNW of Iquique, Chile
A magnitude 4.0 earthquake struck 23 km WNW of Iquique, Chile on Sun, Aug 17, 2014, 2:30 PM GMT-4 (18:30 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M5.4 73 km NNE 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 (mwr), light
- Local time
- UTC
- 2014-08-17 18:30:26 UTC
- Depth
- 40.2 km (25.0 mi), shallow
- Epicenter
- 20.140° S, 70.366° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.0 Mwr
- Nodal plane 1
- Strike 159°, dip 88°, rake 107°
- Nodal plane 2
- Strike 254°, dip 17°, rake 6°
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.05
- 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: 13 in the 60 days after this one and 14 in the 30 days before it.
After
- 4.674 km SW of Iquique, Chile · 4423 days ago · 22 km deep · 70 km away
- 4.382 km SW of Iquique, Chile · 4423 days ago · 41 km deep · 75 km away
- 4.798 km WNW of Iquique, Chile · 4418 days ago · 10 km deep · 74 km away
- 4.480 km NW of Iquique, Chile · 4415 days ago · 40 km deep · 60 km away
- 4.954 km SSW of Iquique, Chile · 4407 days ago · 35 km deep · 61 km away · felt by 1
- 4.386 km WNW of Iquique, Chile · 4401 days ago · 24 km deep · 62 km away
- 4.164 km W of Iquique, Chile · 4394 days ago · 39 km deep · 43 km away
- 4.576 km W of Iquique, Chile · 4393 days ago · 13 km deep · 54 km away
- 4.290 km WNW of Iquique, Chile · 4385 days ago · 15 km deep · 67 km away
- 5.473 km NNE of Iquique, Chile · 4375 days ago · 109 km deep · 83 km away · felt by 4
- 5.390 km WNW of Iquique, Chile · 4374 days ago · 12 km deep · 66 km away
- 4.983 km WNW of Iquique, Chile · 4374 days ago · 16 km deep · 60 km away
- 4.2103 km WNW of Iquique, Chile · 4370 days ago · 15 km deep · 80 km away
Before
- 4.895 km WNW of Iquique, Chile · 4426 days ago · 10 km deep · 71 km away
- 4.272 km WNW of Iquique, Chile · 4428 days ago · 8 km deep · 49 km away
- 5.314 km ENE of Iquique, Chile · 4429 days ago · 51 km deep · 36 km away · felt by 23
- 4.390 km WSW of Iquique, Chile · 4433 days ago · 12 km deep · 75 km away
- 4.185 km NW of Iquique, Chile · 4440 days ago · 43 km deep · 67 km away
- 3.961 km WSW of Iquique, Chile · 4442 days ago · 25 km deep · 49 km away
- 4.265 km WSW of Iquique, Chile · 4442 days ago · 35 km deep · 55 km away
- 4.532 km WNW of Iquique, Chile · 4444 days ago · 29 km deep · 8 km away
- 4.435 km WNW of Iquique, Chile · 4445 days ago · 33 km deep · 12 km away
- 4.696 km WNW of Iquique, Chile · 4445 days ago · 10 km deep · 73 km away
- 4.1102 km WNW of Iquique, Chile · 4445 days ago · 10 km deep · 79 km away
- 4.489 km WNW of Iquique, Chile · 4449 days ago · 16 km deep · 65 km away
- 3.918 km ESE of Iquique, Chile · 4452 days ago · 51 km deep · 42 km away
- 5.046 km W of Iquique, Chile · 4453 days ago · 26 km deep · 23 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000s3l2. Read Mon, Sep 28, 2026, 7:31 PM UTC.