M4.0 earthquake 50 km NNW of Valparaíso, Chile
A magnitude 4.0 earthquake struck 50 km NNW of Valparaíso, Chile on Tue, Dec 15, 2020, 4:59 AM GMT-3 (07:59 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.6 38 km WSW of Illapel, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-12-15 07:59:27 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 32.620° S, 71.860° 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.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.4 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- Operator assigned
- Station coverage gap
- 93°
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.341 km WNW of Valparaíso, Chile · 2116 days ago · 10 km deep · 30 km away
- 4.540 km WNW of Valparaíso, Chile · 2116 days ago · 14 km deep · 29 km away · felt by 1
- 3.91 km S of Limache, Chile · 2114 days ago · 58 km deep · 72 km away · felt by 1
- 4.146 km WNW of La Ligua, Chile · 2110 days ago · 35 km deep · 39 km away
- 4.442 km NW of La Ligua, Chile · 2107 days ago · 47 km deep · 60 km away · felt by 1
- 4.490 km WNW of La Ligua, Chile · 2102 days ago · 10 km deep · 69 km away
- 4.355 km W of Valparaíso, Chile · 2096 days ago · 10 km deep · 58 km away
- 4.443 km WSW of Illapel, Chile · 2094 days ago · 29 km deep · 91 km away
- 4.638 km WSW of Illapel, Chile · 2084 days ago · 49 km deep · 95 km away · felt by 2
- 4.250 km WNW of La Ligua, Chile · 2072 days ago · 57 km deep · 42 km away · felt by 1
Before
- 4.555 km WNW of La Ligua, Chile · 2120 days ago · 21 km deep · 38 km away · felt by 3
- 4.164 km NW of La Ligua, Chile · 2123 days ago · 35 km deep · 67 km away · felt by 3
- 5.050 km NNW of La Ligua, Chile · 2124 days ago · 44 km deep · 70 km away · felt by 33
- 4.19 km E of Quillota, Chile · 2125 days ago · 67 km deep · 73 km away · felt by 10
- 4.356 km W of La Ligua, Chile · 2140 days ago · 22 km deep · 16 km away · felt by 2
- 4.223 km W of La Ligua, Chile · 2146 days ago · 68 km deep · 41 km away · felt by 4
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000cr7c. Read Fri, Oct 2, 2026, 2:41 PM UTC.