M4.2 Earthquake 112 km NNE of Sape, Indonesia — May 23, 2023
2023-05-23 21:12:04 UTC (2023-05-23) · approx. 5:12 AM UTC+8 local
On May 23, 2023 at 21:12 UTC, a magnitude 4.2 intermediate depth earthquake struck 112 km NNE of Sape, Indonesia, at a depth of 283.3 km and coordinates -7.5939°, 119.2796°.
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
119.2796°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Sape, Indonesia?
The magnitude 4.2 earthquake that struck 112 km NNE of Sape, Indonesia on May 23, 2023 at 21:12 UTC had a depth of 283.3 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.
Actions
Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000k3c4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, May 23, 2023). M4.2 Earthquake 112 km NNE of Sape, Indonesia — May 23, 2023. Retrieved July 29, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000k3c4/