Historical tsunamis · Jun 29, 1980, 7:20 AM UTC
1980 Honshu Island tsunami
Japan
The tsunami of Jun 29, 1980, 7:20 AM UTC originated near Honshu Island (Japan).
Key facts
- Date
- Jun 29, 1980, 7:20 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.2
- Depth
- 15 km
- Maximum documented water height
- 0.56 m
- Injuries
- 7
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 16
- Countries affected
- 1
It was triggered by a magnitude 6.2 earthquake at a depth of 15 km.
The highest documented water height was 0.56 m.
16 observation sites in 1 countries are recorded.
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
16Each 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 | 16 | 0.31 m Okada | — | — |
Highest documented water heights
15 / 16Individual 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 |
|---|---|---|---|
| Okada · Izu-Oshima, Tokyo | 0.31 m | 19 km | Japan |
| Mera · Chiba | 0.09 m | 60 km | Japan |
| Kozushima · Izu-Oshima, Tokyo | 0.08 m | 66 km | Japan |
| Oisoko · Kanagawa | 0.07 m | 56 km | Japan |
| Aburatsubo · Kanagawa | 0.05 m | 55 km | Japan |
| Enoshima · Kanagawa | 0.05 m | 61 km | Japan |
| Hayamako · Kanagawa | 0.05 m | 62 km | Japan |
| Ito · Shizuoka | 0.05 m | 11 km | Japan |
| Senzu · Izu-Oshima, Tokyo | 0.05 m | 22 km | Japan |
| Manazuruko · Kanagawa | 0.04 m | 38 km | Japan |
| Minami-Izu · Shizuoka | 0.04 m | 35 km | Japan |
| Miyake Island · Bonin Is, Tokyo | 0.04 m | 87 km | Japan |
| Miyaki I. · Miyagi | 0.04 m | 458 km | Japan |
| Hiratsuka · Kanagawa | 0.02 m | 59 km | Japan |
| Katsuura · Chiba | 0.02 m | 104 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.