M4.3 Earthquake 79 km SW of Pagar Alam, Indonesia — October 17, 2020
2020-10-17 23:26:56 UTC (2020-10-17) · approx. 6:26 AM UTC+7 local
On October 17, 2020 at 23:26 UTC, a magnitude 4.3 shallow crustal earthquake struck 79 km SW of Pagar Alam, Indonesia, at a depth of 62.9 km and coordinates -4.4845°, 102.6998°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
102.6998°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Pagar Alam, Indonesia?
The magnitude 4.3 earthquake that struck 79 km SW of Pagar Alam, Indonesia on October 17, 2020 at 23:26 UTC had a depth of 62.9 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 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000cbca). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 17, 2020). M4.3 Earthquake 79 km SW of Pagar Alam, Indonesia — October 17, 2020. Retrieved December 29, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000cbca/