M4.9 Earthquake 189 km NNE of Labasa, Fiji — September 15, 2020
2020-09-15 10:55:13 UTC (2020-09-15) · approx. 10:55 PM UTC-12 local
On September 15, 2020 at 10:55 UTC, a magnitude 4.9 shallow crustal earthquake struck 189 km NNE of Labasa, Fiji, at a depth of 10.0 km and coordinates -14.9010°, -179.8510°.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
The epicenter is located in Fiji, a region characterized by the Fiji Fracture Zone at the junction of the Pacific and Australian plates, with deep-focus seismicity from the subducted slab. View all earthquakes in Fiji.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
-179.8510°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Labasa, Fiji?
The magnitude 4.9 earthquake that struck 189 km NNE of Labasa, Fiji on September 15, 2020 at 10:55 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -14.9010°, -179.8510°, which is 189 km NNE of Labasa, Fiji. View all earthquakes in Fiji.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Authoritative source: USGS event page (event ID: us7000bnh9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 15, 2020). M4.9 Earthquake 189 km NNE of Labasa, Fiji — September 15, 2020. Retrieved November 21, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bnh9/