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: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
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Santa Maria volcano satellite image (c) Google Earth View
Volcano news: Santa Maria (Guatemala)
Santiagito volcano (Guatemala) activity update
Tuesday Nov 20, 2012 11:05 AM | DOOR: T
The activity remains at low levels and mainly effusive. There are only few and small explosions and the lava flows from the dome continue to be weakly active.
Friday, Nov 16, 2012
A weak explosion occurred at 19:16 h local time with an ash column rising 400 m and strong glow visible. Constant weak and moderate avalanches from the active lava flows.
Friday, Nov 16, 2012
A part of the western edge of the lava flow on the southeast side of the lava dome collapsed on 15 Nov morning, producing small pyroclastic flows. ...
Tuesday, Nov 13, 2012
A moderately rumbling explosion occurred at 18:46 local time. Overnight, incandescent avalanches could be seen descending from the active lava flows.
Monday, Nov 12, 2012
2 small explosions occurred on the evening of 10 Nov from the lava dome, and the lava flows, still weakly alimented, produced occasional small avalanches. (INSIVUMEH)
Sunday, Nov 11, 2012
During the past days, Santiaguito seems to have been calm compared to previous periods. INSIVUMEH reports steaming and a few weak explosions, but states the dome was "calm".
Meer op VolcanoDiscovery:
Igneous or magmatic rocks
: The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
Photos from Armenia
: Armenia is a very photogenic country with a large variety of landscapes showing some very spectacular geology, century-old monasteries and castles, and much more.
Nyamuragira volcano photos
: Africa's version of Mauna Loa, Nyamuragira (or Nyamulagira) is a massive basaltic shield volcano neighboring Nyiragongo. It is one of the most active volcanoes in the world and has voluminous eruptions every few years.
Latest quakes at Katla volcano
: One of Iceland's most active and dangerous volcanoes is showing signs of unrest and statistically due for a new eruption. Earthquakes could give a clue.