Historical tsunamis · Apr 13, 1677
1677 Sanriku tsunami
Japan
The tsunami of Apr 13, 1677 originated near Sanriku (Japan).
Key facts
- Date
- Apr 13, 1677
- Cause
- Earthquake
- Magnitude
- M8.1
- Maximum documented water height
- 6.00 m
- Deaths
- few (up to about 50)
- Houses destroyed
- few (up to about 50)
- Damage
- limited (under US$ 1 million)
- Observation records
- 4
- Countries affected
- 1
It was triggered by a magnitude 8.1 earthquake.
The highest documented water height was 6.00 m (Miyako Bay, Japan).
4 observation sites in 1 countries are recorded.
The database records few (up to about 50) deaths.
Houses destroyed: few (up to about 50).
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
4Each 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 | 4 | 6.00 m Miyako Bay | — | — |
Highest documented water heights
4 / 4Individual 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 |
|---|---|---|---|
| Miyako Bay · Iwate | 6.00 m | 177 km | Japan |
| Kamaishi | — | 198 km | Japan |
| Kuwagasaki · Iwate | — | 178 km | Japan |
| Otsuchi · Iwate | — | 193 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.