M5.3 earthquake 88 km WNW of Iquique, Chile
A magnitude 5.3 earthquake struck 88 km WNW of Iquique, Chile on Sun, Oct 25, 2020, 6:17 PM GMT-3 (21:17 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-10-25 21:17:14 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.003° S, 70.964° W
- Region
- Chile
- Felt reports
- 16
- Strongest shaking
- III, weak shaking
- PAGER alert
- Green
- 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 |
|---|---|---|---|
| 5.3 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.063 · 24 stations |
| 5.42 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.5 | Mwb, body-wave moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
| 5.4 | Mwr, regional moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Peak ground acceleration
- 0.6% of gravity
- Peak ground velocity
- -1.0 cm/s
- Map
- Automatic
Did you feel it?
16 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 5.3 Mww
- Nodal plane 1
- Strike 7°, dip 25°, rake 120°
- Nodal plane 2
- Strike 154°, dip 69°, rake 77°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.4 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- Stations used
- 123
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.481 km WNW of Iquique, Chile · 2168 days ago · 10 km deep · 8 km away · felt by 3
- 4.1101 km WNW of Iquique, Chile · 2161 days ago · 11 km deep · 13 km away
- 4.285 km SW of Iquique, Chile · 2155 days ago · 10 km deep · 77 km away · felt by 6
- 3.672 km W of Iquique, Chile · 2149 days ago · 24 km deep · 30 km away · felt by 1
- 4.367 km W of Iquique, Chile · 2149 days ago · 24 km deep · 33 km away · felt by 3
- 4.279 km W of Iquique, Chile · 2148 days ago · 17 km deep · 26 km away · felt by 1
- 3.987 km SSW of Arica, Chile · 2125 days ago · 69 km deep · 97 km away · felt by 3
- 3.893 km SW of Iquique, Chile · 2121 days ago · 35 km deep · 83 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000cd2g (also filed as iscgem619504660). Read Fri, Oct 2, 2026, 11:42 PM UTC.