M4.2 Earthquake 187 km ESE of Labasa, Fiji — December 19, 2022
2022-12-19 15:43:27 UTC (2022-12-19) · approx. 3:43 AM UTC-12 local
On December 19, 2022 at 15:43 UTC, a magnitude 4.2 deep-focus earthquake struck 187 km ESE of Labasa, Fiji, at a depth of 551.8 km and coordinates -17.2836°, -179.1169°.
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
-179.1169°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Labasa, Fiji?
The magnitude 4.2 earthquake that struck 187 km ESE of Labasa, Fiji on December 19, 2022 at 15:43 UTC had a depth of 551.8 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
Location
Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000j0hm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, December 19, 2022). M4.2 Earthquake 187 km ESE of Labasa, Fiji — December 19, 2022. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000j0hm/