M4.8 earthquake 65 km E of Estique, Peru
A magnitude 4.8 earthquake struck 65 km E of Estique, Peru on Tue, Dec 26, 2017, 10:26 AM GMT-5 (15:26 UTC), 149 km (93 mi) below the surface.
A larger quake followed: M4.9 75 km SE of Palca, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (Mww, W-phase moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-12-26 15:26:12 UTC
- Depth
- 149.2 km (92.7 mi), intermediate-depth
- Epicenter
- 17.462° S, 69.405° W
- Region
- Peru
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.8 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.083 · 14 stations |
| 4.97 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
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
- 4.8 Mww
- Nodal plane 1
- Strike 273°, dip 47°, rake 22°
- Nodal plane 2
- Strike 168°, dip 74°, rake 135°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.3 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 82°
- Stations used
- 72
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.975 km SE of Palca, Peru · 3186 days ago · 127 km deep · 81 km away
- 4.283 km SE of Palca, Peru · 3174 days ago · 123 km deep · 100 km away
- 4.992 km SE of Palca, Peru · 3171 days ago · 10 km deep · 97 km away
- 4.292 km SE of Palca, Peru · 3170 days ago · 10 km deep · 91 km away
- 4.560 km ESE of Palca, Peru · 3167 days ago · 135 km deep · 63 km away
- 4.555 km ENE of Palca, Peru · 3157 days ago · 133 km deep · 19 km away
Before
- 4.863 km ESE of Palca, Peru · 3206 days ago · 142 km deep · 59 km away
- 4.930 km SSE of Palca, Peru · 3206 days ago · 110 km deep · 80 km away
- 4.370 km ESE of Palca, Peru · 3208 days ago · 158 km deep · 52 km away
- 4.629 km SE of Mazo Cruz, Peru · 3226 days ago · 182 km deep · 59 km away
- 4.870 km ENE of Palca, Peru · 3229 days ago · 154 km deep · 14 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bwdl (also filed as iscgem611609709). Read Thu, Oct 1, 2026, 2:35 AM UTC.