M3.7 earthquake 10 km SSW of Valparaíso, Chile
A magnitude 3.7 earthquake struck 10 km SSW of Valparaíso, Chile on Thu, Oct 12, 2017, 3:49 AM GMT-3 (06:49 UTC), 30 km (18 mi) below the surface.
A larger quake followed: M4.5 57 km WSW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mb), minor
- Local time
- UTC
- 2017-10-12 06:49:26 UTC
- Depth
- 29.7 km (18.4 mi), shallow
- Epicenter
- 33.124° S, 71.677° W
- Region
- Chile
- Felt reports
- 42
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
42 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.6 km horizontally, 3.6 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
- Station coverage gap
- 175°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.056 km W of Valparaíso, Chile · 3268 days ago · 20 km deep · 53 km away · felt by 29
- 4.118 km SE of La Ligua, Chile · 3264 days ago · 74 km deep · 84 km away · felt by 30
- 4.242 km WNW of Hacienda La Calera, Chile · 3224 days ago · 30 km deep · 54 km away · felt by 30
- 4.242 km NNW of Valparaíso, Chile · 3219 days ago · 22 km deep · 51 km away · felt by 36
- 4.470 km WNW of La Ligua, Chile · 3217 days ago · 10 km deep · 96 km away · felt by 3
- 4.357 km WNW of La Ligua, Chile · 3217 days ago · 26 km deep · 92 km away
- 4.557 km WSW of Valparaíso, Chile · 3215 days ago · 15 km deep · 51 km away · felt by 9
- 4.155 km W of Cartagena, Chile · 3213 days ago · 11 km deep · 65 km away
- 4.033 km WNW of La Ligua, Chile · 3213 days ago · 10 km deep · 92 km away
Before
- 4.045 km W of Valparaíso, Chile · 3274 days ago · 16 km deep · 44 km away
- 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 73 km away · felt by 103
- 4.035 km W of Valparaíso, Chile · 3278 days ago · 19 km deep · 33 km away · felt by 34
- 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 57 km away · felt by 45
- 4.916 km S of San Antonio, Chile · 3288 days ago · 46 km deep · 69 km away · felt by 195
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000aqlx. Read Thu, Sep 24, 2026, 12:51 PM UTC.