Historical tsunamis · Jul 19, 2008, 2:39 AM UTC
2008 Off East Coast of Honshu Island tsunami
Japan
The tsunami of Jul 19, 2008, 2:39 AM UTC originated near Off East Coast of Honshu Island (Japan).
Key facts
- Date
- Jul 19, 2008, 2:39 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.9
- Depth
- 22 km
- Maximum documented water height
- 0.20 m
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 6.9 earthquake at a depth of 22 km.
The highest documented water height was 0.20 m (Ayukawa, 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 | 0.20 m Ayukawa | — | — |
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 | 0.20 m | 104 km | Japan |
| Soma · Fukushima | 0.17 m | 114 km | Japan |
| Onahama · Fukushima | 0.03 m | 135 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.