M4.8 earthquake 84 km S of Pacocha, Peru
A magnitude 4.8 earthquake struck 84 km S of Pacocha, Peru on Wed, Mar 18, 2015, 12:39 AM GMT-5 (05:39 UTC), 64 km (40 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-03-18 05:39:19 UTC
- Depth
- 64.0 km (39.8 mi), shallow
- Epicenter
- 18.406° S, 71.250° 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 | Mwr, regional moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.057 · 30 stations |
| 4.99 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
What happened
The USGS’s account of the effects of this earthquake.
Felt (II) at Moquegua and Tacna, Peru.
From the USGS event page for us10001ndn. U.S. Geological Survey text and figures are in the public domain.
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
- Reverse (thrust)
- Moment magnitude
- 4.8 Mwr
- Nodal plane 1
- Strike 322°, dip 35°, rake 90°
- Nodal plane 2
- Strike 142°, dip 55°, rake 90°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.1 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.06
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.1103 km W of Arica, Chile · 4215 days ago · 49 km deep · 20 km away
- 4.695 km SSW of Pacocha, Peru · 4214 days ago · 28 km deep · 47 km away
- 4.031 km WSW of Pacocha, Peru · 4213 days ago · 28 km deep · 79 km away
- 4.051 km WSW of Arica, Chile · 4203 days ago · 40 km deep · 63 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001ndn (also filed as iscgem606843617). Read Thu, Oct 1, 2026, 10:32 AM UTC.