M4.9 earthquake 8 km E of Chuquitira, Peru
A magnitude 4.9 earthquake struck 8 km E of Chuquitira, Peru on Fri, Oct 26, 2018, 7:03 AM GMT-5 (12:03 UTC), 138 km (86 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (Mww, W-phase moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-26 12:03:22 UTC
- Depth
- 137.7 km (85.5 mi), intermediate-depth
- Epicenter
- 17.282° S, 69.964° W
- Region
- Peru
- Felt reports
- 4
- 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 |
|---|---|---|---|
| 4.9 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.075 · 17 stations |
| 5.01 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Did you feel it?
4 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 4.9 Mww
- Nodal plane 1
- Strike 196°, dip 25°, rake -39°
- Nodal plane 2
- Strike 322°, dip 75°, rake -110°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.2 km horizontally, 4.0 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 73°
- Stations used
- 365
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.277 km ENE of Estique, Peru · 2888 days ago · 167 km deep · 71 km away
- 4.321 km ESE of Calana, Peru · 2850 days ago · 130 km deep · 83 km away
- 4.229 km NE of Palca, Peru · 2848 days ago · 10 km deep · 45 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hhin (also filed as iscgem613515183). Read Fri, Oct 2, 2026, 12:04 AM UTC.