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M2.3 Depth: 12.9 km

M2.3 Earthquake near Polk County, Tennessee (United States)

UTC time: 2026-07-30 10:34:29 UTC Local time: —

About this earthquake

A magnitude M2.3 earthquake was recorded near Polk County, Tennessee (United States) on July 30, 2026 at 10:34 UTC. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 161 earthquakes, the strongest at M3.2.

Details

Magnitude
M2.3
Depth
12.9 km
UTC time
2026-07-30 10:34:29 UTC
Local time
—
Country
United States
State
Tennessee
City
Polk County
County
Polk County
Source
usgs
Coordinates
35.21967, -84.37633
Temperature
18.4°C

Map

Depth profile

Depth profile Depth: 12.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.9 km
Shallow
12.9 km
12.9 km — close to the regional average (15.5 km)
Regional average: 15.5 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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