Historical tsunamis · Jul 11, 2014, 7:23 PM UTC
2014 Sanriku tsunami
Japan
The tsunami of Jul 11, 2014, 7:23 PM UTC originated near Sanriku (Japan).
Key facts
- Date
- Jul 11, 2014, 7:23 PM UTC
- Cause
- Earthquake
- Magnitude
- M6.5
- Depth
- 20 km
- Maximum documented water height
- 0.20 m
- Injuries
- few (up to about 50)
- Damage
- limited (under US$ 1 million)
- Observation records
- 6
- Countries affected
- 1
It was triggered by a magnitude 6.5 earthquake at a depth of 20 km.
The highest documented water height was 0.20 m (Ayukawa, Japan).
6 observation sites in 1 countries are recorded.
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
6Each 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) · Jul 11, 2014, 7:23 PM UTC
- 0:41 hJapan · Onahama
6 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 6 | 0.20 m Ayukawa | — | 0:41 h |
Highest documented water heights
6 / 6Individual 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 |
|---|---|---|---|
| Ayukawa · Miyagi | 0.20 m | 166 km | Japan |
| Ofunato · Iwate | 0.20 m | 232 km | Japan |
| Kujiko · Iwate | 0.10 m | 359 km | Japan |
| Kamaishi · Iwate | — | 256 km | Japan |
| Onahama · Fukushima | — | 138 km | Japan |
| Soma · Fukushima | — | 160 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.