Historical tsunamis · Nov 18, 1954, 8:44 PM UTC
1954 Miyagi, Japan tsunami
Japan
The tsunami of Nov 18, 1954, 8:44 PM UTC originated near Miyagi, Japan (Japan).
Key facts
- Date
- Nov 18, 1954, 8:44 PM UTC
- Cause
- Earthquake
- Magnitude
- M6.1
- Depth
- 30 km
- Maximum documented water height
- —
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 6.1 earthquake at a depth of 30 km.
3 observation sites in 1 countries are recorded.
Map of observation sites
3Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 3 | — | — | — |
Highest documented water heights
3 / 3Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Ayukawa · Miyagi | — | 90 km | Japan |
| Hachinohe · Aomori | — | 190 km | Japan |
| Onahama · Fukushima | — | 246 km | Japan |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.