M4.5 earthquake 75 km SSW of Ollagüe, Chile
A magnitude 4.5 earthquake struck 75 km SSW of Ollagüe, Chile on Sat, Apr 4, 2026, 12:48 PM GMT-3 (15:48 UTC), 115 km (72 mi) below the surface.
A larger quake followed: M6.9 34 km ENE 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
- 4.5 (mwr), light
- Local time
- UTC
- 2026-04-04 15:48:37 UTC
- Depth
- 115.1 km (71.5 mi), intermediate-depth
- Epicenter
- 21.839° S, 68.579° 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
- Strike-slip
- Moment magnitude
- 4.5 Mwr
- Nodal plane 1
- Strike 280°, dip 26°, rake 18°
- Nodal plane 2
- Strike 174°, dip 82°, rake 115°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.7 km horizontally, 4.2 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.028 km W of Ollagüe, Chile · 170 days ago · 137 km deep · 71 km away
- 4.394 km W of Ollagüe, Chile · 156 days ago · 109 km deep · 98 km away · felt by 1
- 4.142 km WSW of Ollagüe, Chile · 152 days ago · 138 km deep · 48 km away
- 4.672 km SW of Ollagüe, Chile · 151 days ago · 115 km deep · 16 km away
- 4.370 km W of Ollagüe, Chile · 146 days ago · 117 km deep · 83 km away
- 4.769 km SSW of Ollagüe, Chile · 137 days ago · 128 km deep · 18 km away
- 4.235 km WNW of Ollagüe, Chile · 136 days ago · 136 km deep · 76 km away
- 4.469 km WSW of Ollagüe, Chile · 132 days ago · 118 km deep · 60 km away
- 4.329 km SE of Calama, Chile · 129 days ago · 108 km deep · 95 km away
- 6.934 km ENE of Calama, Chile · 127 days ago · 109 km deep · 59 km away · felt by 85
- 4.710 km E of Calama, Chile · 127 days ago · 115 km deep · 75 km away
- 4.231 km NE of Calama, Chile · 127 days ago · 112 km deep · 47 km away
- 4.411 km ENE of Calama, Chile · 127 days ago · 120 km deep · 69 km away
- 4.332 km NE of Calama, Chile · 127 days ago · 115 km deep · 49 km away
- 4.220 km NE of Calama, Chile · 127 days ago · 117 km deep · 58 km away · felt by 1
- 4.222 km NNE of Calama, Chile · 127 days ago · 117 km deep · 56 km away
- 4.326 km NNE of Calama, Chile · 127 days ago · 116 km deep · 52 km away
- 4.129 km NE of Calama, Chile · 127 days ago · 116 km deep · 50 km away
- 4.010 km N of Calama, Chile · 127 days ago · 114 km deep · 68 km away · felt by 1
- 5.127 km NE of Calama, Chile · 126 days ago · 103 km deep · 51 km away · felt by 2
- 4.438 km W of Ollagüe, Chile · 126 days ago · 119 km deep · 64 km away
- 4.116 km E of Calama, Chile · 125 days ago · 110 km deep · 73 km away
- 4.252 km NNE of Calama, Chile · 123 days ago · 112 km deep · 24 km away
- 4.142 km SSW of Ollagüe, Chile · 119 days ago · 135 km deep · 34 km away
Before
- 4.339 km NNE of Calama, Chile · 181 days ago · 107 km deep · 38 km away
- 4.470 km NNE of Calama, Chile · 182 days ago · 126 km deep · 7 km away
- 4.238 km W of Ollagüe, Chile · 189 days ago · 152 km deep · 70 km away
- 4.276 km WNW of Ollagüe, Chile · 194 days ago · 120 km deep · 95 km away
- 4.276 km W of Ollagüe, Chile · 194 days ago · 130 km deep · 89 km away
- 4.154 km W of Ollagüe, Chile · 198 days ago · 122 km deep · 78 km away
- 4.425 km SW of Ollagüe, Chile · 205 days ago · 130 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000smlh. Read Wed, Sep 30, 2026, 8:22 AM UTC.