M4.3 earthquake 87 km WNW of Iquique, Chile
A magnitude 4.3 earthquake struck 87 km WNW of Iquique, Chile on Mon, May 18, 2015, 11:21 AM GMT-3 (14:21 UTC), 15 km (10 mi) below the surface.
A larger quake followed: M5.3 71 km W 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
- 4.3 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-05-18 14:21:28 UTC
- Depth
- 15.4 km (9.6 mi), shallow
- Epicenter
- 19.887° S, 70.908° 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
- 4.3 Mwr
- Nodal plane 1
- Strike 348°, dip 19°, rake 96°
- Nodal plane 2
- Strike 162°, dip 71°, rake 88°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.4 km horizontally, 4.4 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 142°
- Stations used
- 59
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.396 km WNW of Iquique, Chile · 4155 days ago · 21 km deep · 9 km away
- 4.194 km NW of Iquique, Chile · 4153 days ago · 37 km deep · 26 km away
- 4.296 km WNW of Iquique, Chile · 4153 days ago · 15 km deep · 10 km away
- 4.2106 km WNW of Iquique, Chile · 4153 days ago · 10 km deep · 20 km away
- 4.276 km W of Iquique, Chile · 4152 days ago · 35 km deep · 37 km away
- 4.436 km NNE of Iquique, Chile · 4151 days ago · 66 km deep · 91 km away
- 5.371 km W of Iquique, Chile · 4150 days ago · 17 km deep · 34 km away · felt by 7
- 4.1Near the coast of Tarapaca, Chile · 4150 days ago · 32 km deep · 39 km away
- 4.868 km W of Iquique, Chile · 4150 days ago · 27 km deep · 35 km away
- 4.09 km NNE of Iquique, Chile · 4145 days ago · 44 km deep · 89 km away
- 3.730 km NW of Iquique, Chile · 4144 days ago · 36 km deep · 58 km away · felt by 1
- 5.084 km WNW of Iquique, Chile · 4142 days ago · 20 km deep · 6 km away
- 4.187 km WNW of Iquique, Chile · 4135 days ago · 15 km deep · 11 km away
- 4.770 km W of Iquique, Chile · 4133 days ago · 13 km deep · 37 km away · felt by 1
- 4.573 km W of Iquique, Chile · 4133 days ago · 10 km deep · 43 km away
- 4.373 km W of Iquique, Chile · 4133 days ago · 13 km deep · 40 km away
- 4.083 km W of Iquique, Chile · 4133 days ago · 13 km deep · 37 km away
- 4.1100 km WSW of Iquique, Chile · 4132 days ago · 8 km deep · 75 km away
- 4.561 km W of Iquique, Chile · 4125 days ago · 24 km deep · 44 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10002a6r. Read Fri, Oct 2, 2026, 6:33 AM UTC.