4 comments on “GRANITE…, SYENITE…, DOLERITE… INTRUSIONS (1)

  1. We have great Summer weather here, hurray!… and I’m not as long and as often as usual glued to the box, dooh!… so here is what volcano news greeted me today:

    Dieng Volcanic Complex, Java, Indonesia:
    On 1 July a minor phreatic explosion in the Sileri crater frightened the population around Dieng; nobody was killed but the ensuing panic left several people injured. Some others were hit by the splashing mud. Kawah Sileri is one of many Dieng craters to have erupted in historical time and it was the site of a relatively small but devastating eruption in 1964 that killed 114 people; last eruption was in 2009. The crater contains a lake and boiling mud pots. This burst was due to over pressure in the hydrothermal system. There were no hightened levels of toxic gases measured. So far the alert level for Dieng has not been raised. – Unfortunately, a rescue helicopter that was on its way to help evacuate residents crashed nearby, leaving all 8 passengers dead.

    Mt. Dukono
    in North Halmahera, Indonesia has been erupting for months but is emitting more ash these days. According to news reports it had 54 explosions (01, 02 July?) with thick ash plumes of less than 1km hight that set Galela Airport on alert.

    Katla:
    The date for one of Katla’s historical eruptions has been narrowed down to between autumn 822 and spring 823 by examination of a newly uncovered tree stump. That’s half a century before settlers settled in Iceland. http://www.cam.ac.uk/research/news/tree-rings-pinpoint-eruption-of-icelandic-volcano-to-half-a-century-before-human-settlement

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