5.0

M5.0 Earthquake 152 km SE of San Jose Village, Northern Mariana IslandsFebruary 24, 2023

2023-02-24 15:24:47 UTC (2023-02-24) · approx. 1:24 AM UTC+10 local

MagnitudeM5.0(mww)
Time15:24 UTC1:24 AM UTC+10
Depth10.0 kmshallow crustal
Coordinates14.072°, 146.701°
Felt byNo felt reports
Status✓ Reviewed by USGS

On February 24, 2023 at 15:24 UTC, a magnitude 5.0 shallow crustal earthquake struck 152 km SE of San Jose Village, Northern Mariana Islands, at a depth of 10.0 km and coordinates 14.0720°, 146.7009°. This earthquake was detected by 154 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 385, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 14.07°, 146.70°

Earthquake Details

Magnitude
5.0 mww
Depth
10.0 km
shallow crustal
Location
14.0720°N
146.7009°E

Technical Information

Event ID
us6000jrca
Event Type
earthquake
Status
✓ Reviewed
Significance
385
Stations Used
154
Azimuthal Gap
78.0°
Min Station Distance
1.844°
RMS Residual
0.53 sec
Last Updated
2025-02-09 17:08:11 UTC

Common Questions

How strong was the magnitude 5.0 earthquake near San Jose Village, Northern Mariana Islands?

The magnitude 5.0 earthquake that struck 152 km SE of San Jose Village, Northern Mariana Islands on February 24, 2023 at 15:24 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at 14.0720°, 146.7009°, which is 152 km SE of San Jose Village, Northern Mariana Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000jrca). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, February 24, 2023). M5.0 Earthquake 152 km SE of San Jose Village, Northern Mariana IslandsFebruary 24, 2023. Retrieved February 9, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000jrca/