M4.4 Earthquake 128 km ENE of Tobelo, Indonesia — October 21, 2022
2022-10-21 20:20:38 UTC (2022-10-21) · approx. 5:20 AM UTC+9 local
On October 21, 2022 at 20:20 UTC, a magnitude 4.4 shallow crustal earthquake struck 128 km ENE of Tobelo, Indonesia, at a depth of 9.4 km and coordinates 2.1573°, 129.0784°.
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.
Earthquake Details
129.0784°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 128 km ENE of Tobelo, Indonesia on October 21, 2022 at 20:20 UTC had a depth of 9.4 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.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000iwev). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 21, 2022). M4.4 Earthquake 128 km ENE of Tobelo, Indonesia — October 21, 2022. Retrieved December 31, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000iwev/