4.6

M4.6 Earthquake 65 km SW of Atocha, BoliviaDecember 21, 2022

2022-12-21 17:33:11 UTC (2022-12-21) · approx. 1:33 PM UTC-4 local

MagnitudeM4.6(mb)
Time17:33 UTC1:33 PM UTC-4
Depth225.3 kmintermediate depth
Coordinates-21.409°, -66.593°
Felt byNo felt reports
Status✓ Reviewed by USGS

On December 21, 2022 at 17:33 UTC, a magnitude 4.6 intermediate depth earthquake struck 65 km SW of Atocha, Bolivia, at a depth of 225.3 km and coordinates -21.4085°, -66.5931°. This earthquake was detected by 39 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -21.41°, -66.59°

Earthquake Details

Magnitude
4.6 mb
Depth
225.3 km
intermediate depth
Location
-21.4085°N
-66.5931°E

Technical Information

Event ID
us6000javz
Event Type
earthquake
Status
✓ Reviewed
Significance
326
Stations Used
39
Azimuthal Gap
46.0°
Min Station Distance
2.126°
RMS Residual
0.78 sec
Last Updated
2023-02-28 23:06:41 UTC

Common Questions

How strong was the magnitude 4.6 earthquake near Atocha, Bolivia?

The magnitude 4.6 earthquake that struck 65 km SW of Atocha, Bolivia on December 21, 2022 at 17:33 UTC had a depth of 225.3 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at -21.4085°, -66.5931°, which is 65 km SW of Atocha, Bolivia.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000javz). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, December 21, 2022). M4.6 Earthquake 65 km SW of Atocha, BoliviaDecember 21, 2022. Retrieved February 28, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000javz/