5.1

M5.1 Earthquake 268 km NE of Saipan, Northern Mariana IslandsJune 19, 2025

2025-06-19 13:07:52 UTC (2025-06-19) · approx. 11:07 PM UTC+10 local

MagnitudeM5.1(mww)
Time13:07 UTC11:07 PM UTC+10
Depth31.7 kmshallow crustal
Coordinates17.156°, 147.264°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 19, 2025 at 13:07 UTC, a magnitude 5.1 shallow crustal earthquake struck 268 km NE of Saipan, Northern Mariana Islands, at a depth of 31.7 km and coordinates 17.1560°, 147.2637°. This earthquake was detected by 105 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 400, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 17.16°, 147.26°

Earthquake Details

Magnitude
5.1 mww
Depth
31.7 km
shallow crustal
Location
17.1560°N
147.2637°E

Technical Information

Event ID
us6000ql7w
Event Type
earthquake
Status
✓ Reviewed
Significance
400
Stations Used
105
Azimuthal Gap
22.0°
Min Station Distance
2.374°
RMS Residual
0.63 sec
Last Updated
2025-09-02 21:23:38 UTC

Common Questions

How strong was the magnitude 5.1 earthquake near Saipan, Northern Mariana Islands?

The magnitude 5.1 earthquake that struck 268 km NE of Saipan, Northern Mariana Islands on June 19, 2025 at 13:07 UTC had a depth of 31.7 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at 17.1560°, 147.2637°, which is 268 km NE of Saipan, Northern Mariana Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000ql7w). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, June 19, 2025). M5.1 Earthquake 268 km NE of Saipan, Northern Mariana IslandsJune 19, 2025. Retrieved September 2, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000ql7w/