M4.2 Depth: 29.8 km

M4.2 Earthquake near 30 km ENE of Hualien City, Taiwan (Taiwan)

UTC time: 2025-08-18 19:55:47 UTC Local time: —

About this earthquake

A magnitude M4.2 earthquake was recorded near 30 km ENE of Hualien City, Taiwan (Taiwan) on August 18, 2025 at 19:55 UTC. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

Magnitude

M4.2

Depth

29.8 km

UTC time

2025-08-18 19:55:47 UTC

Local time

—

Country

Taiwan

Source

usgs

Coordinates

24.12250, 121.85480

Temperature

28.7°C

Map

Depth profile

Shallow

29.8 km

29.8 km — deeper than the regional average (24.6 km)

Regional average: 24.6 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

Volcanoes nearby

Kueishantao

Distance: 81 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
Tatun Volcanic Group

Distance: 121 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
Submarine Volcano NNE of Iriomotejima

Distance: 216 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
Iraya

Distance: 407 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines

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