4.3

M4.3 Earthquake 274 km WNW of Houma, TongaJanuary 14, 2026

2026-01-14 17:14:31 UTC (2026-01-14) · approx. 5:14 AM UTC-12 local

MagnitudeM4.3(mb)
Time17:14 UTC5:14 AM UTC-12
Depth525.7 kmdeep-focus
Coordinates-20.350°, -177.793°
Felt byNo felt reports
Status✓ Reviewed by USGS

On January 14, 2026 at 17:14 UTC, a magnitude 4.3 deep-focus earthquake struck 274 km WNW of Houma, Tonga, at a depth of 525.7 km and coordinates -20.3501°, -177.7931°.

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.

Map showing earthquake epicenter at -20.35°, -177.79°

Earthquake Details

Magnitude
4.3 mb
Depth
525.7 km
deep-focus
Location
-20.3501°N
-177.7931°E

Technical Information

Event ID
us6000s5kj
Event Type
earthquake
Status
✓ Reviewed
Significance
284
Stations Used
53
Azimuthal Gap
138.0°
Min Station Distance
4.699°
RMS Residual
0.83 sec
Last Updated
2026-04-10 15:20:40 UTC

Common Questions

How strong was the magnitude 4.3 earthquake near Houma, Tonga?

The magnitude 4.3 earthquake that struck 274 km WNW of Houma, Tonga on January 14, 2026 at 17:14 UTC had a depth of 525.7 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 4.3 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.

Authoritative source: USGS event page (event ID: us6000s5kj). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, January 14, 2026). M4.3 Earthquake 274 km WNW of Houma, TongaJanuary 14, 2026. Retrieved May 12, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000s5kj/