M4.4 earthquake 35 km WNW of Iquique, Chile
A magnitude 4.4 earthquake struck 35 km WNW of Iquique, Chile on Mon, Jul 28, 2014, 8:47 PM GMT-4 (00:47 UTC), 33 km (20 mi) below the surface.
A larger quake followed: M5.3 14 km ENE 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
- 4.4 (mwr), light
- Local time
- UTC
- 2014-07-29 00:47:18 UTC
- Depth
- 32.5 km (20.2 mi), shallow
- Epicenter
- 20.132° S, 70.478° 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.
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
- 4.4 Mwr
- Nodal plane 1
- Strike 358°, dip 35°, rake 88°
- Nodal plane 2
- Strike 180°, dip 55°, rake 91°
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.04
- 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: 18 in the 60 days after this one and 16 in the 30 days before it.
After
- 4.532 km WNW of Iquique, Chile · 4444 days ago · 29 km deep · 3 km away
- 4.265 km WSW of Iquique, Chile · 4442 days ago · 35 km deep · 49 km away
- 3.961 km WSW of Iquique, Chile · 4442 days ago · 25 km deep · 44 km away
- 4.185 km NW of Iquique, Chile · 4440 days ago · 43 km deep · 61 km away
- 4.390 km WSW of Iquique, Chile · 4433 days ago · 12 km deep · 66 km away
- 5.314 km ENE of Iquique, Chile · 4428 days ago · 51 km deep · 48 km away · felt by 23
- 4.272 km WNW of Iquique, Chile · 4427 days ago · 8 km deep · 37 km away
- 4.895 km WNW of Iquique, Chile · 4426 days ago · 10 km deep · 60 km away
- 4.023 km WNW of Iquique, Chile · 4425 days ago · 40 km deep · 12 km away · felt by 1
- 4.674 km SW of Iquique, Chile · 4422 days ago · 22 km deep · 68 km away
- 4.382 km SW of Iquique, Chile · 4422 days ago · 41 km deep · 71 km away
- 4.798 km WNW of Iquique, Chile · 4418 days ago · 10 km deep · 63 km away
- 4.480 km NW of Iquique, Chile · 4415 days ago · 40 km deep · 53 km away
- 4.954 km SSW of Iquique, Chile · 4407 days ago · 35 km deep · 64 km away · felt by 1
- 4.386 km WNW of Iquique, Chile · 4400 days ago · 24 km deep · 51 km away
- 4.164 km W of Iquique, Chile · 4394 days ago · 39 km deep · 32 km away
- 4.576 km W of Iquique, Chile · 4393 days ago · 13 km deep · 43 km away
- 4.290 km WNW of Iquique, Chile · 4385 days ago · 15 km deep · 55 km away
Before
- 4.696 km WNW of Iquique, Chile · 4445 days ago · 10 km deep · 62 km away
- 4.1102 km WNW of Iquique, Chile · 4445 days ago · 10 km deep · 67 km away
- 4.489 km WNW of Iquique, Chile · 4449 days ago · 16 km deep · 54 km away
- 3.918 km ESE of Iquique, Chile · 4452 days ago · 51 km deep · 54 km away
- 5.046 km W of Iquique, Chile · 4452 days ago · 26 km deep · 11 km away
- 4.6Near the coast of Tarapaca, Chile · 4455 days ago · 15 km deep · 42 km away
- 5.075 km W of Iquique, Chile · 4455 days ago · 15 km deep · 41 km away
- 4.330 km N of Iquique, Chile · 4458 days ago · 45 km deep · 44 km away · felt by 3
- 5.521 km WSW of Iquique, Chile · 4460 days ago · 33 km deep · 20 km away · felt by 19
- 4.976 km SW of Iquique, Chile · 4465 days ago · 25 km deep · 73 km away
- 4.387 km SW of Iquique, Chile · 4466 days ago · 25 km deep · 83 km away
- 4.590 km SW of Iquique, Chile · 4468 days ago · 16 km deep · 75 km away
- 4.181 km WNW of Iquique, Chile · 4468 days ago · 39 km deep · 46 km away
- 4.298 km WNW of Iquique, Chile · 4472 days ago · 15 km deep · 63 km away
- 4.128 km S of Iquique, Chile · 4472 days ago · 39 km deep · 52 km away
- 4.386 km WNW of Iquique, Chile · 4473 days ago · 20 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000ry6b. Read Mon, Sep 28, 2026, 9:31 AM UTC.