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M3.4 Depth: 5.0 km

M3.4 Earthquake near Halfway, Louisiana (United States)

UTC time: 2026-08-21 20:00:37 UTC Local time: —

About this earthquake

On August 21, 2026 at 20:00 UTC, a magnitude M3.4 earthquake occurred near Halfway, Louisiana (United States). The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 226 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

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Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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