Historical tsunamis · Jun 12, 2010, 7:26 PM UTC
2010 Little Nicobar Island tsunami
India
The tsunami of Jun 12, 2010, 7:26 PM UTC originated near Little Nicobar Island (India).
Key facts
- Date
- Jun 12, 2010, 7:26 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.5
- Depth
- 35 km
- Maximum documented water height
- 0.03 m
- Observation records
- 2
- Countries affected
- 2
It was triggered by a magnitude 7.5 earthquake at a depth of 35 km.
The highest documented water height was 0.03 m (Trincomalee, Sri Lanka).
2 observation sites in 2 countries are recorded.
Outside the source country, the earliest documented arrival was at Trincomalee (Sri Lanka) after 1:54 h.
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) · Jun 12, 2010, 7:26 PM UTC
- 1:54 hSri Lanka · Trincomalee · 0.03 m
1 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
 Sri Lanka | 1 | 0.03 m Trincomalee | — | 1:54 h |
| India | 1 | 0.02 m Itb04 | — | — |
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 |
|---|---|---|---|
| Trincomalee | 0.03 m | 1,182 km | Sri Lanka |
| Itb04 · Andaman and Nicobar | 0.02 m | 316 km | India |
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.