3.2

M3.2 Earthquake 15 km E of Puente Alto, Chile — November 11, 2020

2020-11-11 23:48:05 UTC (2020-11-11) · approx. 6:48 PM UTC-5 local

MagnitudeM3.2(ml)
Time23:48 UTC≈ 6:48 PM UTC-5
Depth10.0 kmshallow crustal
Coordinates-33.592°, -70.410°
Felt by3DYFI responses
Status✓ Reviewed by USGS

On November 11, 2020 at 23:48 UTC, a magnitude 3.2 shallow crustal earthquake struck 15 km E of Puente Alto, Chile, at a depth of 10.0 km and coordinates -33.5922°, -70.4096°.

Physical scale: An earthquake of magnitude 3.2 releases seismic energy equivalent to roughly 951 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 97 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -33.59°, -70.41°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 3 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 M3.2 earthquake near 15 km E of Puente Alto, Chile

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

Earthquake Details

Magnitude
3.2 ml
Depth
10.0 km
shallow crustal
Location
-33.5922°N
-70.4096°E
Felt Reports
3
DYFI responses
Community Intensity
2.0
CDI from reports

Technical Information

Event ID
us7000cdl4
Event Type
earthquake
Status
✓ Reviewed
Significance
158
Azimuthal Gap
95.0°
Min Station Distance
0.129°
RMS Residual
1.07 sec
Last Updated
2021-01-27 17:28:42 UTC

Common Questions

How strong was the magnitude 3.2 earthquake near Puente Alto, Chile?

The magnitude 3.2 earthquake that struck 15 km E of Puente Alto, Chile on November 11, 2020 at 23:48 UTC had a depth of 10.0 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.2 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000cdl4). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2020, November 11, 2020). M3.2 Earthquake 15 km E of Puente Alto, Chile — November 11, 2020. Retrieved January 27, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cdl4/