The Weekly Volcanic Activity Report: October 2 – 8, 2024
New activity/unrest was reported for 2 volcanoes from October 2 – 8, 2024. During the same period, ongoing activity was reported for 20 volcanoes.
Seismic unrest continues at Spurr volcano in Alaska with over 900 earthquakes detected in 2024
Seismic activity at Mount Spurr volcano in Alaska remains elevated, with over 900 earthquakes detected so far in 2024, according to the Alaska Volcano Observatory (AVO). Despite the persistent unrest, no major shifts in earthquake frequency or intensity have been observed since the increase in seismic activity was first noted in April.
Nagar Gri mud volcano erupts in Myanmar’s Ramree Island
A small eruption occurred at Nagar Gri mud volcano on Myanmar’s Ramree Island at approximately on October 5, 2024, sending mud approximately 3 m (10 feet) into the air.
Strombolian activity, lava overflow at Stromboli volcano, Italy
Moderate strombolian activity at Stromboli’s North Crater area on October 8, 2024, led to lava overflow, which gradually diminished by the morning of October 9 before intensifying again.
High energy explosion followed by lava flow at Stromboli volcano, Italy
The INGV-Etneo Observatory reported a sequence of volcanic events on Stromboli within an hour on Sunday, October 6, 2024, starting with a high-energy explosion from the North crater at 00:17 UTC. This eruption triggered a lava flow along the Sciara del Fuoco, with ongoing spattering activity observed as of Sunday morning.
Increased seismicity at Mount Adams volcano, U.S.
Six earthquakes were detected at Mount Adams in September 2024, the highest monthly total since monitoring began in 1982.
The Weekly Volcanic Activity Report: September 25 – October 1, 2024
New activity/unrest was reported for 3 volcanoes from September 25 to October 1, 2024. During the same period, ongoing activity was reported for 23 volcanoes.
Series of phreatomagmatic eruptions at Taal volcano, Philippines
A minor phreatic eruption took place at Taal volcano in the Philippines on October 2, 2024, resulting in a plume that reached a height of 2 400 m (7 874) above sea level. This event is part of a series of 18 phreatic eruptions that began on September 22.
The Weekly Volcanic Activity Report: September 14 – 24, 2024
New activity/unrest was reported for 5 volcanoes from September 14 – 24, 2024. During the same period, ongoing activity was reported for 17 volcanoes.
Shallow M5.9 earthquake near Sumisujima volcano triggers 50 cm (1.6 feet) tsunami, Japan
A strong and shallow earthquake, registered by the Japan Meteorological Agency (JMA) as M5.9, struck near Torishima Island, Japan, at 23:14 UTC on September 23, 2024 (08:14 JST on September 24). The agency reported a depth of 10 km (6.2 miles). The USGS reported M5.6 at a depth of 11.7 km (7.3 miles), while the EMSC reported M5.6 at a depth of 9 km (5.6 miles).
