Historical tsunamis · Jan 27, 1700, 5:00 AM UTC
1700 Cascadia Subduction Zone tsunami
United States
The tsunami of Jan 27, 1700, 5:00 AM UTC originated near Cascadia Subduction Zone (United States).
Key facts
- Date
- Jan 27, 1700, 5:00 AM UTC
- Cause
- Earthquake
- Magnitude
- M9.0
- Maximum documented water height
- —
- Deaths
- 2
- Damage
- severe (about US$ 5–25 million)
- Observation records
- 7
- Countries affected
- 1
It was triggered by a magnitude 9.0 earthquake.
7 observation sites in 1 countries are recorded.
The database records 2 deaths.
Damage is estimated at severe (about US$ 5–25 million).
Map of observation sites
7Each 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 | 7 | 5.40 m Miho | 2 | — |
Highest documented water heights
7 / 7Individual 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 |
|---|---|---|---|
| Miho · Shizuoka | 5.40 m | 7,836 km | Japan |
| Tanabe, Kii Peninsula · Wakayama | 5.00 m | 8,125 km | Japan |
| Tsugaruishi · Iwate | 5.00 m | 7,252 km | Japan |
| Kuwagasaki · Iwate | 4.00 m | 7,248 km | Japan |
| Otsuchi · Iwate | 4.00 m | 7,272 km | Japan |
| Nakaminato · Ibaraki | — | 7,576 km | Japan |
| Shinjo · Wakayama | — | 8,122 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.