M4.4 Earthquake 153 km WSW of Ternate, Indonesia — October 7, 2021
2021-10-07 19:17:02 UTC (2021-10-07) · approx. 3:17 AM UTC+8 local
On October 7, 2021 at 19:17 UTC, a magnitude 4.4 shallow crustal earthquake struck 153 km WSW of Ternate, Indonesia, at a depth of 48.7 km and coordinates 0.3681°, 126.0736°.
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
126.0736°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Ternate, Indonesia?
The magnitude 4.4 earthquake that struck 153 km WSW of Ternate, Indonesia on October 7, 2021 at 19:17 UTC had a depth of 48.7 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: us6000fu18). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 7, 2021). M4.4 Earthquake 153 km WSW of Ternate, Indonesia — October 7, 2021. Retrieved December 10, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000fu18/