World Map › Major Eruptions › Klyuchevskoy 1977
Historic Eruption
1977 Eruption of Klyuchevskoy
2 August 1977 · Stratovolcano · Russia
On 2 August 1977, Klyuchevskoy in Russia erupted. The volcano rises to 4,754 m. Its Volcanic Explosivity Index (VEI) is 3 out of 8, that of a severe eruption ejecting more than 10 million m³ of material. It killed at least 1 person. Most deaths were caused by ash and tephra fall.
- Date
- 2 August 1977
- Volcano
- Klyuchevskoy
- Volcano Type
- Stratovolcano
- Elevation
- 4,754 m
- Country
- Russia
- Explosivity Index (VEI)
- 3 out of 8
- Deaths
- 1
- Main Causes of Death
- Ash and Tephra
Other Significant Eruptions of Klyuchevskoy
- 2025July 2025 Eruption
- 1983March 1983 Eruption · VEI 2 · Ash and Tephra1 death
- 17621762 Eruption · VEI 2
Sources: NOAA National Centers for Environmental Information, Global Significant Volcanic Eruptions Database (doi:10.7289/V5JW8BSH) · Smithsonian Institution, Global Volcanism Program