M4.4 Earthquake 93 km WNW of Tobelo, Indonesia — December 16, 2025
2025-12-16 22:29:41 UTC (2025-12-16) · approx. 6:29 AM UTC+8 local
On December 16, 2025 at 22:29 UTC, a magnitude 4.4 intermediate depth earthquake struck 93 km WNW of Tobelo, Indonesia, at a depth of 88.1 km and coordinates 2.0579°, 127.2379°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
This earthquake is part of an ongoing aftershock sequence following the magnitude 5.0 mainshock that occurred 8 days ago 64 km W of Tobelo, Indonesia. Since the mainshock, the USGS has recorded 4 aftershocks in this area. Aftershock activity is expected to continue for days to weeks as stresses on surrounding faults redistribute.
Earthquake Details
127.2379°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Tobelo, Indonesia?
The magnitude 4.4 earthquake that struck 93 km WNW of Tobelo, Indonesia on December 16, 2025 at 22:29 UTC had a depth of 88.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
Is this the same earthquake as the M5.0 one earlier?
No. This magnitude 4.4 earthquake is an aftershock of the larger magnitude 5.0 mainshock that occurred earlier 64 km W of Tobelo, Indonesia. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks.
Actions
Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000rvcw). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, December 16, 2025). M4.4 Earthquake 93 km WNW of Tobelo, Indonesia — December 16, 2025. Retrieved March 10, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000rvcw/