August 8, 2008 Eruption of Kasatochi
Kasatochi in the United States erupted on August 8, 2008 with a Volcanic Explosivity Index of 4. It caused a tsunami.
Where it erupted
Kasatochi, United States.
The eruption
- Date
- August 8, 2008
- Volcano
- Kasatochi, stratovolcano
- Country
- United States
- Volcanic Explosivity Index
- 4, large (eruption column 10 to 25 km)
- Tsunami
- Yes: the tsunami it caused
- Location
- 52.177° N, 175.508° W
The toll
The record gives no deaths, injuries or damage for this eruption.
What the record says
NCEI’s account, from the sources it cites.
A volcanic eruption, preceded by a swarm of magnitude 3.0 to 5.8 earthquakes, was first observed at 2217 UTC (1417 AKDT) on 07 August 2008, and was located at Kasatochi Volcano.
The Alaska Volcano Observatory (AVO) reported three major explosive eruptions at Kasatochi volcano between approximately 2230 UTC (1430 AKDT) on 07 August and 0500 UTC on 08 August (2100 AKDT on 07 August). Ash from these explosions reached at least 45,000 ft above sea level.
The volcanic eruption produced a tsunami at Adak, Alaska and Atka, Alaska.(reference #2582)
More
Every eruption in 2008The 2000sKasatochiEarthquakes near KasatochiThis day in weather history
Sources
Volcanoes and significant eruptions 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. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 4924.