Historical tsunamis · May 5, 2023, 5:42 AM UTC
2023 Noto Peninsula, Japan tsunami
Japan
The tsunami of May 5, 2023, 5:42 AM UTC originated near Noto Peninsula, Japan (Japan).
Key facts
- Date
- May 5, 2023, 5:42 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.2
- Depth
- 8 km
- Maximum documented water height
- 0.10 m
- Deaths
- 1
- Injuries
- 34
- Houses destroyed
- 3
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 2
- Countries affected
- 1
It was triggered by a magnitude 6.2 earthquake at a depth of 8 km.
The highest documented water height was 0.10 m (Noto (Suzushi Nagahashi), Japan).
2 observation sites in 1 countries are recorded.
The database records 1 deaths.
Houses destroyed: 3.
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
2Each 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) · May 5, 2023, 5:42 AM UTC
- 0:03 hJapan · Noto (Suzushi Nagahashi) · 0.10 m
2 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 2 | 0.10 m Noto (Suzushi Nagahashi) | — | 0:03 h |
Highest documented water heights
2 / 2Individual 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 |
|---|---|---|---|
| Noto (Suzushi Nagahashi) · Ishikawa | 0.10 m | 14 km | Japan |
| Wajima · Ishikawa | 0.10 m | 39 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.