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United States · Louisiana

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

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

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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: 194 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
cb5cbcb6f6d7e79d5b7daf0a43132eaa23c0d20c
Magnitude
M3.4
Depth
5.0 km
UTC time
2026-08-21 20:00:37 UTC
Local time
—
Country
United States
State
Louisiana
City
Halfway
County
Red River Parish
Source
usgs
Coordinates
32.11380, -93.35800
Temperature
38.4°C

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 (15.2 km)
Regional average: 15.2 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

United States

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,428 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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