M7.7 earthquake 50 km SSE of Yilan, Taiwan
A magnitude 7.7 earthquake struck 50 km SSE of Yilan, Taiwan on Sat, Sep 2, 1922, 3:16 AM GMT+8 (19:16 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
- 7.7 (Mw, moment), major
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1922-09-01 19:16:07 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 24.364° N, 122.000° E
- Region
- Taiwan
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Deaths and damage
From NOAA NCEI’s Significant Earthquake Database (record 3198), matched to this event by time and place.
- Deaths
- 5
- Injuries
- 7
- Damage
- Moderate (about $1 to $5 million)
- Houses destroyed
- 139
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.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 29.5% of gravity
- Peak ground velocity
- 3.2 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
- ±0.43
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 4.7 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 7.039 km WSW of Yonakuni, Japan · 38004 days ago · 25 km deep · 64 km away
- 6.856 km W of Yonakuni, Japan · 38001 days ago · 35 km deep · 46 km away
- 6.526 km SW of Yilan, Taiwan · 38001 days ago · 15 km deep · 49 km away
- 6.734 km SSW of Yilan, Taiwan · 38001 days ago · 35 km deep · 46 km away
- 7.030 km S of Daxi, Taiwan · 37973 days ago · 15 km deep · 82 km away
- 6.76 km WSW of Hualien City, Taiwan · 37961 days ago · 15 km deep · 65 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem911999. Read Fri, Oct 2, 2026, 8:32 AM UTC.