This undersea earthquake generated recorded tsunami waves across coastal and trans-oceanic sectors. Preserved in seismic archive for scientific reference — no active hazard exists.
A magnitude 7.4 (MW) earthquake occurred on 2024-04-02, 07:58 local time (23:58 UTC) (932d ago), centered Near Hualien (Taiwan). The hypocenter was located at a shallow depth of 20 km. Primary telemetry verified by EMSC alongside 1 regional seismic monitoring networks.
Curated Global Seismic Archive (1700–Present)
1.90 Mt TNT
shallow (Shallow crustal)
Injuries: > 5,000 · ~43.6M felt
Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.
Shaking intensity is modelled from magnitude, depth and distance (GMPE attenuation), not reported by residents.
| Town | Distance | Intensity |
|---|---|---|
| Hualien · Hualien | 13 km | MMI IX |
| Nantou · Nantou | 95 km | MMI VII |
| Yilan · Yilan | 99 km | MMI VII |
| Taichung · Taichung City | 100 km | MMI VII |
| Douliou · Yunlin | 110 km | MMI VII |
| Miaoli · Miaoli | 112 km | MMI VII |
Independent solutions for the same rupture. Differences of 0.1–0.3 in magnitude are normal and reflect method and station coverage.
| Agency | Source ID | Magnitude | Depth | Epicenter |
|---|---|---|---|---|
EMSC Primary | emsc_20240402_0000281 | M 7.4 | 20 km | 23.87, 121.61 |
Nearest mapped active fault: Longitudinal Valley fault, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).