M6.3 earthquake 33 km SE of Yilan, Taiwan
A magnitude 6.3 earthquake struck 33 km SE of Yilan, Taiwan on Mon, Mar 4, 1963, 9:38 PM GMT+8 (13:38 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1963-03-04 13:38:42 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 24.519° N, 121.951° E
- Region
- Taiwan
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 20.7% of gravity
- Peak ground velocity
- 3.0 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.3 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.141 km E of Yilan, Taiwan · 23214 days ago · 15 km deep · 29 km away
- 5.875 km ENE of Hualien City, Taiwan · 23172 days ago · 27 km deep · 54 km away
Before
Earthquakes todayTaiwan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem17293413. Read Tue, Sep 29, 2026, 12:26 AM UTC.