M5.4 earthquake 76 km NNW of Coquimbo, Chile
A magnitude 5.4 earthquake struck 76 km NNW of Coquimbo, Chile on Wed, Apr 1, 2015, 5:17 AM GMT-3 (08:17 UTC), 32 km (20 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-04-01 08:17:27 UTC
- Depth
- 31.6 km (19.6 mi), shallow
- Epicenter
- 29.344° S, 71.718° W
- Region
- Chile
- Felt reports
- 11
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.4 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.36 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.3 | Mwc, centroid moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
| 5.2 | Mwr, regional moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
Felt (V) at Coquimbo, La Higuera and La Serena; (IV) at Andacollo, Ovalle, Punitaqui, Rio Hurtado and Vicuna; (III) at Copiapo, Freirina, Huasco, Paiguano, Tierra Amarilla and Vallenar; (II) at Illapel and Salamanca.
From the USGS event page for us10001spm. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic
Did you feel it?
11 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
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
- 5.4 Mww
- Nodal plane 1
- Strike 203°, dip 83°, rake 112°
- Nodal plane 2
- Strike 310°, dip 23°, rake 17°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.5 km horizontally, 3.0 km in depth
- Depth from
- FROM_LOCATION
- Station coverage gap
- 71°
- Stations used
- 242
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.415 km NNW of Coquimbo, Chile · 4160 days ago · 59 km deep · 61 km away
- 5.170 km W of Vallenar, Chile · 4159 days ago · 18 km deep · 79 km away · felt by 2
- 4.240 km N of La Serena, Chile · 4158 days ago · 48 km deep · 54 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001spm (also filed as gcmt20150401081726, iscgem606962367). Read Fri, Oct 2, 2026, 2:39 PM UTC.