M4.9 Earthquake 193 km NNE of Saipan, Northern Mariana Islands — March 1, 2025
2025-03-01 17:14:34 UTC (2025-03-01) · approx. 3:14 AM UTC+10 local
Felt by 3 people across nearby locations.
On March 1, 2025 at 17:14 UTC, a magnitude 4.9 intermediate depth earthquake struck 193 km NNE of Saipan, Northern Mariana Islands, at a depth of 90.0 km and coordinates 16.9259°, 146.1337°. This earthquake was detected by 267 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 370, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
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.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
146.1337°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Saipan, Northern Mariana Islands?
The magnitude 4.9 earthquake that struck 193 km NNE of Saipan, Northern Mariana Islands on March 1, 2025 at 17:14 UTC had a depth of 90.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 16.9259°, 146.1337°, which is 193 km NNE of Saipan, Northern Mariana Islands.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000pwaz). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, March 1, 2025). M4.9 Earthquake 193 km NNE of Saipan, Northern Mariana Islands — March 1, 2025. Retrieved May 8, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000pwaz/