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 8.3 (MW) earthquake occurred on 2015-09-16, 19:54 local time (22:54 UTC) (4053d ago), centered Off the coast of Viña del Mar (163 km N, Chile). The hypocenter was located at a shallow depth of 22.4 km. Primary telemetry verified by USGS alongside 1 regional seismic monitoring networks.
Curated Global Seismic Archive (1700–Present)
42.50 Mt TNT
shallow (Shallow crustal)
Injuries: > 5,000 · ~15.8M 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 |
|---|---|---|
| Illapel · Coquimbo | 48 km | MMI IX |
| Salamanca · Coquimbo | 70 km | MMI IX |
| La Ligua · Valparaíso | 107 km | MMI VIII |
| Ovalle · Coquimbo | 118 km | MMI VIII |
| Quillota · Valparaíso | 151 km | MMI VIII |
| San Felipe · Valparaíso | 159 km | MMI VIII |
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 |
|---|---|---|---|---|
USGS Primary | us20003k7a | M 8.3 | 22.4 km | -31.57, -71.67 |
Nearest mapped active fault: Unnamed Fault, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).
View live seismic monitoring, historical danger benchmarks, fault slip models and recurrence intervals for this zone.