Historical tsunamis · Oct 25, 2013, 5:10 PM UTC

2013 E. Coast Honshu Island tsunami

Japan

The tsunami of Oct 25, 2013, 5:10 PM UTC originated near E. Coast Honshu Island (Japan).

Key facts

Date
Oct 25, 2013, 5:10 PM UTC
Cause
Earthquake
Magnitude
M7.1
Depth
35 km
Maximum documented water height
0.40 m
Injuries
1
Observation records
9
Countries affected
2

It was triggered by a magnitude 7.1 earthquake at a depth of 35 km.

The highest documented water height was 0.40 m (Kujiko, Japan).

9 observation sites in 2 countries are recorded.

Outside the source country, the earliest documented arrival was at D21419 Bpr, 209 Nm S of Kuril Is (Russia) after 1:27 h.

Map of observation sites

9

Each 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.

  1. 0:00 hEarthquake (origin) · Oct 25, 2013, 5:10 PM UTC
  2. 0:24 hJapan · D21418 Bpr, NE Tokyo, Japan · 0.01 m
  3. 1:27 hRussia · D21419 Bpr, 209 Nm S of Kuril Is · 0.01 m

8 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Japan80.40 m
Kujiko
—0:24 h
Russia10.01 m
D21419 Bpr, 209 Nm S of Kuril Is
—1:27 h

Highest documented water heights

9 / 9

Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.

Location / stationObserved heightDistance from sourceCountry
Kujiko · Iwate0.40 m419 kmJapan
Soma · Fukushima0.40 m335 kmJapan
Ayukawa · Miyagi0.30 m306 kmJapan
Ayukawa · Miyagi0.30 m306 kmJapan
Ofunato · Iwate0.20 m328 kmJapan
Kamaishi · Iwate0.15 m338 kmJapan
D21413, SE Tokyo, Japan0.01 m1,006 kmJapan
D21418 Bpr, NE Tokyo, Japan0.01 m392 kmJapan
D21419 Bpr, 209 Nm S of Kuril Is · Kuril Islands0.01 m1,235 kmRussia

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.