M4.2 Earthquake 71 km SE of Biak, Indonesia — November 26, 2022
2022-11-26 19:31:52 UTC (2022-11-26) · approx. 4:31 AM UTC+9 local
On November 26, 2022 at 19:31 UTC, a magnitude 4.2 shallow crustal earthquake struck 71 km SE of Biak, Indonesia, at a depth of 22.4 km and coordinates -1.6726°, 136.4911°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
136.4911°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Biak, Indonesia?
The magnitude 4.2 earthquake that struck 71 km SE of Biak, Indonesia on November 26, 2022 at 19:31 UTC had a depth of 22.4 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000isli). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, November 26, 2022). M4.2 Earthquake 71 km SE of Biak, Indonesia — November 26, 2022. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000isli/