Tsunamis in 2023

May 5, 2023 Tsunami: Noto Peninsula, Japan

May 5, 2023 · 0.1 m · 1 death · 3 houses destroyed · Definite tsunami

A tsunami caused by a magnitude 6.2 earthquake began at Noto Peninsula, Japan on May 5, 2023 at 05:42:04 UTC. The water rose as high as 0.1 meters. Its effects were recorded at 2 places. It killed 1 person, counting the earthquake or eruption that caused it.

Where the waves reached

The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.

  • Under 1 m
  • 1 to 3 m
  • 3 to 10 m
  • 10 to 30 m
  • 30 m and more
  • Height not recorded

Tsunami warnings in force

The tsunami

Date
May 5, 2023, 05:42:04 UTC
Source
Noto Peninsula, Japan
Cause
Earthquake
Maximum water height
0.1 m (0.3 ft)
Runups recorded
2
Waters
Ocean
How certain
Definite tsunami
Source location
37.540° N, 137.305° E

The toll

Deaths
1 with the earthquake or eruption that caused it
Injuries
34 with the earthquake or eruption that caused it
Damage
Moderate (about $1 to $5 million) with the earthquake or eruption that caused it
Houses destroyed
3 with the earthquake or eruption that caused it
Houses damaged
351 with the earthquake or eruption that caused it

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

Every runup

Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.

WhereCountryKm from sourceWater height, mInland, mMeasured byFirst wave, UTCDeaths
Noto (Suzushi Nagahashi)Japan140.1Tide gauge (half the maximum wave height)day 5, 05:45
WajimaJapan390.1Tide gauge (half the maximum wave height)day 5, 06:00

More

Every tsunami in 2023The 2000sTsunamis of JapanThe earthquakeThis day in weather historyAlerts in force

Sources

Tsunami events and runups from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI tsunami event 5880.