The Weekly Volcanic Activity Report: July 24 – 30, 2024
New activity/unrest was reported for 9 volcanoes from July 24 – 30, 2024. During the same period, ongoing activity was reported for 14 volcanoes.
Strong glacial flood in Mýrdalsjökull, Aviation Color Code for Katla raised to Yellow, Iceland
A strong glacial flood began in Mýrdalsjökull, an ice cap atop the Katla volcano in southern Iceland, around 11:00 UTC on July 27, 2024. This event prompted authorities to raise the Aviation Color Code for Katla volcano to Yellow.
Earthquake swarm at Campi Flegrei volcano, Italy
A new earthquake swarm was registered at Campi Flegrei volcano, Italy on July 26, 2024. This is the latest episode in a series of such events this year.
Major explosion at Stromboli volcano, Italy
A major explosion took place at Stromboli volcano, Italy at 19:16 UTC on July 26, 2024.
Elevated unrest, short-lived vigorous steam and gas plume above White Island volcano, New Zealand
A short-lived, vigorous steam and gas plume was observed rising above the White Island volcano in New Zealand on July 26, 2024. The Volcanic Alert Level remains at Level 2 (moderate to heightened unrest), and the Aviation Color Code remains Yellow.
The Weekly Volcanic Activity Report: July 17 – 23, 2024
New activity/unrest was reported for 8 volcanoes from July 17 to 23, 2024. During the same period, ongoing activity was reported for 15 volcanoes.
Analysis of the July 23, 2024, hydrothermal explosion in Biscuit Basin, Yellowstone National Park
A hydrothermal explosion occurred in Biscuit Basin, Yellowstone National Park at approximately 16:00 UTC on July 23, 2024.
High-level eruption at Bezymianny volcano, Russia
A strong explosive eruption began at Bezymianny volcano, Kamchatka, Russia, at 15:10 UTC on July 24, 2024, ejecting ash up to 12 km (40 000 feet) above sea level.
Hydrothermal explosion in Yellowstone’s Biscuit Basin thermal area damages nearby boardwalk
A small hydrothermal explosion occurred in Yellowstone National Park in the Biscuit Basin thermal area at around 16:19 UTC (10:19 MST) on July 23, 2024.
Alert Level for Kilauea volcano raised to Watch, Hawaii
Increased earthquake activity and ground deformation at Kīlauea’s upper East Rift Zone began at approximately 13:30 UTC (03:30 HST) on July 23, 2024, indicating likely magma movement in the subsurface. This activity has prompted Hawaiʻi Volcanoes National Park to close areas that could put visitors and staff at risk if the volcano erupts.
