Historical tsunamis · Mar 22, 1894, 10:23 AM UTC

1894 SE. Hokkaido Island tsunami

Japan

The tsunami of Mar 22, 1894, 10:23 AM UTC originated near SE. Hokkaido Island (Japan).

Key facts

Date
Mar 22, 1894, 10:23 AM UTC
Cause
Earthquake
Magnitude
M7.9
Maximum documented water height
4.00 m
Deaths
1
Injuries
6
Damage
moderate (about US$ 1–5 million)
Observation records
19
Countries affected
2

It was triggered by a magnitude 7.9 earthquake.

The highest documented water height was 4.00 m (Miyako, Japan).

19 observation sites in 2 countries are recorded.

Outside the source country, the earliest documented arrival was at Tyatino, Kunashir Island (Russia) after 1:00 h.

The database records 1 deaths.

Damage is estimated at moderate (about US$ 1–5 million).

Map of observation sites

19

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)
  2. 0:26 hJapan · Hanasaki · 1.50 m
  3. 1:00 hRussia · Tyatino, Kunashir Island

5 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Japan164.00 m
Miyako
—0:26 h
Russia33.00 m
Shikotan Island, Kurilskiye
—1:00 h

Highest documented water heights

15 / 19

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
Miyako · Iwate4.00 m463 kmJapan
Shikotan Island, Kurilskiye · Kuril Islands3.00 m155 kmRussia
Akkeshi · Hokkaido2.00 m111 kmJapan
Hanasaki · Hokkaido1.50 m94 kmJapan
Nemuro · Hokkaido1.50 m100 kmJapan
Ofunato · Iwate1.50 m528 kmJapan
Kamaishi · Iwate1.40 m499 kmJapan
Taro · Iwate1.40 m455 kmJapan
Yuzhno-Kuril'sk, Kunashir Island · Kuril Islands1.20 m170 kmRussia
Kesennuma · Miyagi1.00 m548 kmJapan
Kushiro · Hokkaido1.00 m143 kmJapan
Otsuchi · Iwate1.00 m490 kmJapan
Tomari · Hokkaido1.00 m412 kmJapan
Yamada · Iwate1.00 m479 kmJapan
Hakodate · Hokkaido0.50 m443 kmJapan

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.