seismicity

Eruptions

Tag archives for seismicity

This is Part 2 of 3 from guest blogger Dr. Boris Behncke. Check out Part 1 here. The current dynamics and activity of Etna by guest blogger Dr. Boris Behncke The recent behavior of Etna is characterized by nearly continuous eruptive activity from the summit craters and eruptions from new vents on the flanks at…

A new Weekly Volcanic Activity Report from the Smithsonian and USGS Global Volcanism Program! Highlights from this week’s report include: Things are getting a little noisy in Colombia. I mentioned a few weeks ago about a possible explosion at Nevado del Ruiz. Now we have reports of increased seismicity under nearby Cerro Machín and ash…

Kilauea lavas on the move near Kalapana. Image taken July 17, courtesy of the Hawaiian Volcano Observatory. Some news over the last few days: The lava flows from Kilauea are moving with a vengeance right now, damaging roads and heading for some structures. The lava flows near Kalapana have moved almost 200 meters since Sunday,…

Quick hits to wrap up the week: Looking into a skylight at Kilauea. Image taken July 8, 2010, courtesy of HVO/USGS. Following up some news about Changbaishan/Changbai caldera in North Korea, Yang Qingfu, director of earthquake and volcano analysis and forecast center with the seismology bureau of northeast China’s Jilin Province, says that the volcano…

The latest news from the world of volcanoes, brought to us by the Global Volcanism Program, USGS and the Smithsonian Institution. They are also brought to us by Sally Kuhn Sennert – and if you have a question for her about her job at the GVP preparing the Weekly Volcanic Activity Report and all things…

News for Monday! Ngauruhoe in New Zealand, showing the dark lava flows of basaltic andesite on the slopes of the young volcanic cone. Image by Erik Klemetti, taken January 2009. A couple pieces of news from two Russian volcanoes on the Kamchatka Peninsula: (1) last week’s report of activity at Gorely appears to be semi-substantiated…

Playing the waiting game at Taal

A partially-eroded scoria cone in the Taal volcano caldera. As I mentioned earlier this week, PHIVOLCS has raised the Alert Status at Taal in the Philippines to 2 (out of 5) after increasing tremors and gas emissions from the volcano’s crater lakes. Now, the Philippine government is taking this threat very serious, sending divers, helicopters,…

The steaming vent area at Taal in the Philippines in September 1965, when the volcano produced a VEI 4 eruption. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has raised the alert status at Taal to Level 2 (of 4) and officials in the Philippines are getting ready if the volcano does come back to…

Looking for some volcano news – you’ve found it. A shot of volcano “tourists” near the erupting Pacaya. Photo by the Associated Press. Eruptions reader Dr. Boris Behncke dropped a note that Kilauea has not one but two active lava lakes right now. The lava lakes can be seen on the webcams for the Halema`uma`u…

Image of the Eyjafjallajökull’s ash taken on May 26, 2010, courtesy of the NASA Earth Observatory. Eruptions readers were closely following increasing tremors at Eyjafjallajökull this afternoon/evening wondering if there was a new eruption starting but with the weather not cooperating, no one was sure. However, this evening the Icelandic Met Office released a statement…