Historical tsunamis · Jan 1, 2024, 7:10 AM UTC
2024 Honshu: W Coast tsunami
Japan
The tsunami of Jan 1, 2024, 7:10 AM UTC originated near Honshu: W Coast (Japan).
Key facts
- Date
- Jan 1, 2024, 7:10 AM UTC
- Cause
- Earthquake and landslide
- Magnitude
- M7.5
- Depth
- 10 km
- Maximum documented water height
- 11.3 m
- Deaths
- 549
- Injuries
- 1,393
- Houses destroyed
- 29,966
- Damage
- US$ 17,600 million
- Observation records
- 537
- Countries affected
- 3
It was triggered by a magnitude 7.5 earthquake at a depth of 10 km.
The highest documented water height was 11.3 m (Kuroshima, Japan).
537 observation sites in 3 countries are recorded.
Outside the source country, the earliest documented arrival was at Ulleung-Do Island (South Korea) after 1:15 h.
The database records 549 deaths.
Houses destroyed: 29,966.
Damage is estimated at US$ 17,600 million.
Map of observation sites
537Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Tsunami arrival times
Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.
- 0:00 hEarthquake (origin) · Jan 1, 2024, 7:10 AM UTC
- 0:00 hJapan · Wajima · 1.20 m
- 1:15 hSouth Korea · Ulleung-Do Island · 0.11 m
- 1:24 hRussia · Preobrazheniye · 0.32 m
69 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 514 | 11.3 m Kuroshima | — | 0:00 h |
 South Korea | 13 | 0.82 m Mukho | — | 1:15 h |
 Russia | 10 | 0.32 m Preobrazheniye | — | 1:24 h |
Highest documented water heights
15 / 537Individual 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 |
|---|---|---|---|
| Kuroshima · Ishikawa | 11.34 m | 53 km | Japan |
| Kuroshima · Ishikawa | 11.03 m | 54 km | Japan |
| Kuroshima · Ishikawa | 10.60 m | 54 km | Japan |
| Kuroshima · Ishikawa | 9.56 m | 53 km | Japan |
| Kuroshima · Ishikawa | 9.30 m | 54 km | Japan |
| Togi · Ishikawa | 8.80 m | 62 km | Japan |
| Kuroshima · Ishikawa | 8.77 m | 53 km | Japan |
| Kuroshima · Ishikawa | 8.66 m | 53 km | Japan |
| Toge · Ishikawa | 7.94 m | 52 km | Japan |
| Saikai-Hisaki · Ishikawa | 7.51 m | 64 km | Japan |
| South of Kaiso · Ishikawa | 7.46 m | 52 km | Japan |
| Joetsu City, Chuuou (08) · Niigata | 7.23 m | 93 km | Japan |
| Joetsu City, Chuuou (09) · Niigata | 7.06 m | 93 km | Japan |
| Kuroshima · Ishikawa | 7.03 m | 53 km | Japan |
| Joetsu City, Chuuou (11) · Niigata | 6.76 m | 93 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.