August 13, 2010 Tsunami: Guam, Mariana Islands, US Territories
A tsunami caused by a magnitude 6.9 earthquake began at Guam, Mariana Islands, US Territories on August 13, 2010 at 21:19:33 UTC. The water rose as high as 0.07 meters. Its effects were recorded at 1 place.
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
The tsunami
- Date
- August 13, 2010, 21:19:33 UTC
- Source
- Guam, Mariana Islands, US Territories
- Cause
- Earthquake
- Earthquake
- Magnitude 6.9, 10 km deep
- Maximum water height
- 0.07 m (0.2 ft)
- Runups recorded
- 1
- Waters
- Ocean
- How certain
- Definite tsunami
- Source location
- 12.484° N, 141.476° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Saipan, Northern Mariana Islands, MP | US Territories | 552 | 0.07 | Tide gauge (half the maximum wave height) | day 13, 22:16 |
More
Every tsunami in 2010The 2000sTsunamis of US TerritoriesThe 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 5343.