Historical tsunamis · Dec 7, 2012, 8:18 AM UTC
2012 Off East Coast of Honshu Island tsunami
Japan
The tsunami of Dec 7, 2012, 8:18 AM UTC originated near Off East Coast of Honshu Island (Japan).
Key facts
- Date
- Dec 7, 2012, 8:18 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.2
- Depth
- 31 km
- Maximum documented water height
- 1.00 m
- Injuries
- 11
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 7.2 earthquake at a depth of 31 km.
The highest documented water height was 1.00 m (Ishinomaki, Japan).
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 | 1.00 m Ishinomaki | — | — |
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 |
|---|---|---|---|
| Ishinomaki · Miyagi | 1.00 m | 242 km | Japan |
| Kesennuma · Miyagi | — | 236 km | Japan |
| Ofunato · Iwate | — | 229 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.