M4.2 Earthquake near Minahasa, Sulawesi, Indonesia — April 8, 2021
2021-04-08 17:48:54 UTC (2021-04-08) · approx. 1:48 AM UTC+8 local
On April 8, 2021 at 17:48 UTC, a magnitude 4.2 intermediate depth earthquake struck near Minahasa, Sulawesi, Indonesia, at a depth of 235.7 km and coordinates 1.2697°, 124.0843°.
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
124.0843°E
Technical Information
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Common Questions
How strong was the magnitude 4.2 earthquake near Minahasa, Sulawesi, Indonesia?
The magnitude 4.2 earthquake that struck near Minahasa, Sulawesi, Indonesia on April 8, 2021 at 17:48 UTC had a depth of 235.7 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 4.2 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: us6000e1ua). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 8, 2021). M4.2 Earthquake near Minahasa, Sulawesi, Indonesia — April 8, 2021. Retrieved June 12, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e1ua/