Volcanic eruptions in United States
19 volcanic eruptions have been recorded in United States by Global Incident Tracker, 19 of them in 2026. The most recent was on 1 October 2026. These are incidents our sources reported, not an official national total.
0
Today (UTC)
0
Last 7 days
19
In 2026
19
Total recorded
Continuous monitoring began 9 August 2026. These counters show what we have recorded since then, not everything that happened.
Most recent volcanic eruptions in United States
Gareloi volcano — USGS alert level Advisory
Moderate
Great Sitkin (United States) - Report for 16 September-22 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 16 September-22 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin (United States) - Report for 10 September-16 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 10 September-16 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin volcano — USGS alert level Watch
Severe
Shishaldin volcano — USGS alert level Advisory
Moderate
Kilauea volcano — USGS alert level Watch
Severe
Ahyi Seamount volcano — USGS alert level Advisory
Moderate
Great Sitkin (United States) - Report for 27 August-2 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 27 August-2 September 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin (United States) - Report for 20 August-26 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 20 August-26 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin (United States) - Report for 13 August-19 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 13 August-19 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin (United States) - Report for 6 August-12 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 6 August-12 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Great Sitkin (United States) - Report for 30 July-5 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
Kilauea (United States) - Report for 30 July-5 August 2026 - Continuing Eruptive Activity — volcanic activity reported
Moderate
When they happen
September carries the most volcanic eruptions we hold for United States — 10 of 19. This is when incidents were reported, so read a quiet month as either a quiet month or thin reporting.
| Month | Recorded | |
|---|---|---|
| January | 0 | |
| February | 0 | |
| March | 0 | |
| April | 0 | |
| May | 0 | |
| June | 0 | |
| July | 0 | |
| August | 8 | |
| September | 10 | |
| October | 1 | |
| November | 0 | |
| December | 0 |
Where this data comes from
Volcanic eruptions have official real-time feeds, and ours come from Smithsonian GVP · GDACS · NASA EONET.