phreatic explosion

Eruptions

Category archives for phreatic explosion

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…

Mayon has minor eruption

Mayon in the Philippines, taken in 2007 There has been a lot of waiting over the summer to see if Mayon in the Philippines was going to begin a new eruption sequence. This morning, the volcano had its first “eruption” since August 2008, producing a very small (~700 m / 2000 foot) ash-and-gas column that…

Mayon erupting in August 2004. The increasing unrest at Mayon in the Philippines has prompted National Disaster Coordinating Council (NDCC) to recommend the evacuation of over 75,000 people from around the volcano. This, however, will only happen if the activity at the volcano continues to increase. The volcano currently sits at Alert Level 2 (increasing…

Wednesday Whatzits

This week’s edition of Wednesday Whatzits could have been called “Miércoles Materia” as all the updates are for South American volcano. Enjoy! Tungurahua in Ecuador (Note: all links in spanish) INGEOMINAS in Colombia is reporting that Nevado del Huila experienced 343 earthquakes over the past week, suggesting that something is brewing at the volcano. This…

Canlaon volcano, Philippines Geothermal energy is one of those sources of energy that might be able to solve a lot of the planet’s energy problems – heck, the Earth has a lot of heat it is trying to get rid of, so taking that heat and turning into energy seems like an easy (and clean?)…

Image courtesy of KVERT, taken by L. Kotenko on Marhc 18, 2009. To me, one volcanic arc about which I wish I knew more is the Kuril-Kamchatka arc. I’m well aware of how active it is, with giants composite volcanoes like Bezymianny, Koryak, Klyuchevskoi and many, many others. This arc of volcanoes, although in a…

Redoubt back to Yellow Alert

Image from AVO Hut webcam for Redoubt After an exciting few days … well, OK … after an exciting few hours on Sunday, AVO has decided to lower the alert level at Redoubt in Alaska to Yellow/Advisory. The alert level was lowered last week after seismicity at the volcano returned to normal after weeks of…

Redoubt update for 3/17/2009

Now that Redoubt has decided that Yellow/Advisory is not to its likely and has returned to an Orange/Watch status, I’ll continue bringing new updates of the volcano has events unfold. And nothing much has unfolded since the phreatic explosion that occurred on Sunday. The current state of the volcano, according to AVO, is minor seismic…