October 22, 1999 Earthquake: Chia-I, Taiwan
A magnitude 5.9 earthquake struck Chia-I, Taiwan on October 22, 1999 at 02:18:58 UTC, 33 km below the surface. It killed 1 person.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- October 22, 1999
- Time
- 02:18:58 UTC
- Place
- Chia-I, Taiwan
- Magnitude
- 5.9 (Mw)
- Focal depth
- 33 km (21 mi)
- Intensity
- 6 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 23.445° N, 120.506° E
- Country
- Taiwan
The toll
- Deaths
- 1
- Injuries
- 254
- Damage
- $786,000
- Houses destroyed
- 15
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
One person killed, 254 people injured and 15 buildings collapsed in the Chia-i area. Maximum intensity (VI JMA) in eastern Chia-i, northern Tai-nan and southern Yun-lin Counties. Felt throughout Taiwan. Also felt (IV) in Hong Kong.
323 injured, $786,000 damage. (reference #1250)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- May 22, 1782, Tainan, Taiwan
- April 20, 1935, Mialoi, Taiwan
- July 16, 1935, Xiinzhu, Taiwan
- September 20, 1999, Nantou, Taichung, Taizhong, Taiwan
- June 6, 1862, Tainan, Taiwan
- 1721, Tainan, Taiwan
- March 16, 1906, Jiayi, Taiwan
- December 3, 1848, Zhanghua, Taiwan
- February 1845, Zhanghua, Taiwan
- December 16, 1941, Taiwan
- January 30, 1736, Tainan, Taiwan
- August 9, 1792, Jiayi, Tainan, Taiwan
- August 28, 1916, Taiwan
- November 5, 1904, Jiayi, Taiwan
- June 27, 1839, Jiayi, Taiwan
More
Significant earthquakes of 1999The 1900sEvery quake the USGS located in 1999Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 5539.