4.8

M4.8 Earthquake 30 km WNW of Illapel, ChileMarch 5, 2025

2025-03-05 10:01:59 UTC (2025-03-05) · approx. 5:01 AM UTC-5 local

Felt by 6 people across nearby locations.

MagnitudeM4.8(mwr)
Time10:01 UTC5:01 AM UTC-5
Depth49.8 kmshallow crustal
Coordinates-31.546°, -71.471°
Felt by6DYFI responses
Status✓ Reviewed by USGS

On March 5, 2025 at 10:01 UTC, a magnitude 4.8 shallow crustal earthquake struck 30 km WNW of Illapel, Chile, at a depth of 49.8 km and coordinates -31.5462°, -71.4709°. This earthquake was detected by 78 seismic stations with good location accuracy and was assigned a USGS significance rating of 357, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.

The epicenter is located in Chile, a region characterized by the Peru-Chile Trench, where the Nazca Plate subducts beneath South America at 65-80 mm per year. The nearest mapped fault system is the Peru-Chile Trench. View all earthquakes in Chile.

Learn more: Magnitude scale · Aftershock sequences

Map showing earthquake epicenter at -31.55°, -71.47°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 6 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M4.8 earthquake near 30 km WNW of Illapel, Chile

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
4.8 mwr
Depth
49.8 km
shallow crustal
Location
-31.5462°N
-71.4709°E
Felt Reports
6
DYFI responses
Community Intensity
3.4
CDI from reports

Technical Information

Event ID
us6000px0b
Event Type
earthquake
Status
✓ Reviewed
Significance
357
Stations Used
78
Azimuthal Gap
137.0°
Min Station Distance
0.528°
RMS Residual
0.61 sec
Last Updated
2025-05-16 17:30:01 UTC

Common Questions

How strong was the magnitude 4.8 earthquake near Illapel, Chile?

The magnitude 4.8 earthquake that struck 30 km WNW of Illapel, Chile on March 5, 2025 at 10:01 UTC had a depth of 49.8 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at -31.5462°, -71.4709°, which is 30 km WNW of Illapel, Chile. View all earthquakes in Chile.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.

Has Chile had earthquakes this big before?

The largest recorded earthquake in Chile was the M9.5 Great Chilean earthquake of May 22, 1960. Today's magnitude 4.8 event is significantly smaller than that historical record.

Authoritative source: USGS event page (event ID: us6000px0b). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, March 5, 2025). M4.8 Earthquake 30 km WNW of Illapel, ChileMarch 5, 2025. Retrieved May 16, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000px0b/