M3.7 earthquake 40 km E of Yujing, Taiwan

A magnitude 3.7 earthquake struck 40 km E of Yujing, Taiwan on Tue, Oct 5, 1999, 9:13 AM GMT+8 (01:13 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.3 66 km S of Hualien City, Taiwan. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

The USGS’s account of the effects of this earthquake.

Felt (IV JMA) in the epicentral area and (I JMA) at Chia-i.

From the USGS event page for usp0009ffn. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 85 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp0009ffn. Read Fri, Oct 2, 2026, 3:06 AM UTC.