M4.8 Earthquake 174 km S of Sumbawa Besar, Indonesia — January 30, 2022
2022-01-30 11:31:33 UTC (2022-01-30) · approx. 7:31 PM UTC+8 local
On January 30, 2022 at 11:31 UTC, a magnitude 4.8 shallow crustal earthquake struck 174 km S of Sumbawa Besar, Indonesia, at a depth of 37.2 km and coordinates -10.0718°, 117.4746°.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
The epicenter is located in Indonesia, a region characterized by the convergence of the Indo-Australian, Eurasian, and Philippine Sea plates, forming the Sunda-Banda arc system. The nearest mapped fault system is the Sunda megathrust. View all earthquakes in Indonesia.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
117.4746°E
Technical Information
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Common Questions
How strong was the magnitude 4.8 earthquake near Sumbawa Besar, Indonesia?
The magnitude 4.8 earthquake that struck 174 km S of Sumbawa Besar, Indonesia on January 30, 2022 at 11:31 UTC had a depth of 37.2 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -10.0718°, 117.4746°, which is 174 km S of Sumbawa Besar, Indonesia. View all earthquakes in Indonesia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Has Indonesia had earthquakes this big before?
The largest recorded earthquake in Indonesia was the M9.1 Indian Ocean earthquake of December 26, 2004. Today's magnitude 4.8 event is significantly smaller than that historical record.
Authoritative source: USGS event page (event ID: us7000ggdy). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, January 30, 2022). M4.8 Earthquake 174 km S of Sumbawa Besar, Indonesia — January 30, 2022. Retrieved April 15, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000ggdy/