5.3

M5.3 Earthquake 137 km ENE of Saipan, Northern Mariana IslandsApril 3, 2024

2024-04-03 00:05:01 UTC (2024-04-03) · approx. 10:05 AM UTC+10 local

MagnitudeM5.3(mb)
Time00:05 UTC10:05 AM UTC+10
Depth10.0 kmshallow crustal
Coordinates15.821°, 146.867°
Felt byNo felt reports
Status✓ Reviewed by USGS

On April 3, 2024 at 00:05 UTC, a magnitude 5.3 shallow crustal earthquake struck 137 km ENE of Saipan, Northern Mariana Islands, at a depth of 10.0 km and coordinates 15.8214°, 146.8668°. This earthquake was detected by 43 seismic stations with good location accuracy and was assigned a USGS significance rating of 432, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.3 releases seismic energy equivalent to roughly 1 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.7 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 15.82°, 146.87°

Earthquake Details

Magnitude
5.3 mb
Depth
10.0 km
shallow crustal
Location
15.8214°N
146.8668°E

Technical Information

Event ID
us7000mbhn
Event Type
earthquake
Status
✓ Reviewed
Significance
432
Stations Used
43
Azimuthal Gap
97.0°
Min Station Distance
1.188°
RMS Residual
0.91 sec
Last Updated
2024-06-12 21:51:58 UTC

Common Questions

How strong was the magnitude 5.3 earthquake near Saipan, Northern Mariana Islands?

The magnitude 5.3 earthquake that struck 137 km ENE of Saipan, Northern Mariana Islands on April 3, 2024 at 00:05 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 15.8214°, 146.8668°, which is 137 km ENE of Saipan, Northern Mariana Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.3 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us7000mbhn). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2024, April 3, 2024). M5.3 Earthquake 137 km ENE of Saipan, Northern Mariana IslandsApril 3, 2024. Retrieved June 12, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000mbhn/