M5.1 earthquake 79 km W of Coquimbo, Chile
A magnitude 5.1 earthquake struck 79 km W of Coquimbo, Chile on Tue, Aug 15, 2017, 4:03 PM GMT-3 (19:03 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mww), moderate
- Local time
- UTC
- 2017-08-15 19:03:21 UTC
- Depth
- 10.2 km (6.3 mi), shallow
- Epicenter
- 30.016° S, 72.162° W
- Region
- Chile
- Felt reports
- 9
- Strongest shaking
- III, weak shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Peak ground acceleration
- 71.0% of gravity
- Peak ground velocity
- 0.5 cm/s
- Map
- Automatic

Did you feel it?
9 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
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
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
- 5.1 Mww
- Nodal plane 1
- Strike 16°, dip 35°, rake 105°
- Nodal plane 2
- Strike 178°, dip 56°, rake 80°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.9 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 71°
- Stations used
- 175
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.085 km W of Coquimbo, Chile · 3328 days ago · 12 km deep · 15 km away
- 4.486 km WSW of Coquimbo, Chile · 3295 days ago · 17 km deep · 37 km away
- 4.427 km SW of Coquimbo, Chile · 3289 days ago · 37 km deep · 58 km away · felt by 5
- 4.435 km W of Coquimbo, Chile · 3284 days ago · 24 km deep · 45 km away
- 3.98 km NNW of Coquimbo, Chile · 3278 days ago · 51 km deep · 79 km away
- 4.46 km SSW of Coquimbo, Chile · 3274 days ago · 51 km deep · 77 km away · felt by 8
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a8iw (also filed as iscgem610910899). Read Sat, Sep 26, 2026, 9:28 PM UTC.