M4.9 earthquake 75 km SSW of Ollagüe, Chile
A magnitude 4.9 earthquake struck 75 km SSW of Ollagüe, Chile on Thu, Feb 26, 2026, 6:07 AM GMT-3 (09:07 UTC), 110 km (68 mi) below the surface.
A larger quake followed: M5.1 43 km NNE of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-02-26 09:07:45 UTC
- Depth
- 110.2 km (68.5 mi), intermediate-depth
- Epicenter
- 21.812° S, 68.630° 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
- Normal
- Moment magnitude
- 4.9 Mwr
- Nodal plane 1
- Strike 348°, dip 72°, rake -107°
- Nodal plane 2
- Strike 213°, dip 25°, rake -48°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.0 km horizontally, 4.7 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 41°
- Stations used
- 68
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 12 in the 60 days after this one and 11 in the 30 days before it.
After
- 4.366 km SW of Ollagüe, Chile · 217 days ago · 110 km deep · 11 km away
- 4.657 km WNW of Ollagüe, Chile · 217 days ago · 119 km deep · 85 km away
- 5.143 km NNE of Calama, Chile · 214 days ago · 107 km deep · 35 km away · felt by 1
- 4.425 km SW of Ollagüe, Chile · 206 days ago · 130 km deep · 51 km away
- 4.154 km W of Ollagüe, Chile · 200 days ago · 122 km deep · 74 km away
- 4.276 km W of Ollagüe, Chile · 195 days ago · 130 km deep · 84 km away
- 4.276 km WNW of Ollagüe, Chile · 195 days ago · 120 km deep · 90 km away
- 4.238 km W of Ollagüe, Chile · 191 days ago · 152 km deep · 67 km away
- 4.470 km NNE of Calama, Chile · 183 days ago · 126 km deep · 12 km away
- 4.339 km NNE of Calama, Chile · 182 days ago · 107 km deep · 38 km away
- 4.575 km SSW of Ollagüe, Chile · 180 days ago · 115 km deep · 6 km away
- 4.028 km W of Ollagüe, Chile · 171 days ago · 137 km deep · 69 km away
Before
- 4.471 km WNW of Ollagüe, Chile · 224 days ago · 111 km deep · 86 km away
- 4.670 km NNE of Calama, Chile · 226 days ago · 108 km deep · 8 km away
- 4.830 km NNW of Calama, Chile · 227 days ago · 102 km deep · 66 km away · felt by 2
- 4.665 km W of Ollagüe, Chile · 228 days ago · 116 km deep · 74 km away
- 4.366 km SW of Ollagüe, Chile · 229 days ago · 123 km deep · 18 km away
- 4.179 km SW of Ollagüe, Chile · 233 days ago · 126 km deep · 22 km away
- 4.243 km ESE of Calama, Chile · 235 days ago · 118 km deep · 86 km away
- 4.229 km WSW of Ollagüe, Chile · 235 days ago · 136 km deep · 56 km away
- 4.139 km WSW of Ollagüe, Chile · 239 days ago · 130 km deep · 45 km away
- 4.838 km N of Calama, Chile · 239 days ago · 110 km deep · 47 km away
- 4.258 km W of Ollagüe, Chile · 244 days ago · 133 km deep · 66 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000s0ew. Read Thu, Oct 1, 2026, 5:54 PM UTC.