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Willekeurige foto 's
Ruapehu volcano sat by (c) Google Earth View
Ruapehu volcano sat by (c) Google Earth View
Ruapehu vulkaan
Stratovulkaan 2797 m / 9,176 ft
North Island, New Zealand, -39.28°S / 175.57°E
Current status: normal or dormant (1 out of 5)
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Ruapehu vulkaanuitbarstingen:

Typical eruption style:
Mildly explosive, formation of lahars
Laatste aardbevingen in de omgeving
Meest recente satellietbeelden

News and activity reports about Ruapehu volcano:

Ruapehu volcano (New Zealand): crater lake at lowest temperature since 2010

Wednesday Dec 03, 2014 18:48 PM | DOOR: T

Recent measurements by NZ scientists indicate that the volcano's crater lake is currently in a cooling trend. At 15 deg C, it has the lowest temperature recorded since April 2010.
According to GeoNet, the current cycle is part of the normal behavior of the lake.
It does not exclude the possibility of a sudden eruption, although makes it less likely. Heat flow and chemistry indicate the vents are not sealed from the lake.

"Most eruptions from Crater Lake occur when it is hot, however some have also occurred from a cool lake. To put this in context, since 1965 there have been 35 eruptions through Crater Lake that have affected the wider summit area of Mt Ruapehu, only three of those came from cooler lakes (December 1979, December 1988 and September 2007). Hence it is very unlikely (9%) that an eruption of Mt Ruapehu affecting the wider summit area will occur while the lake temperature is less than 22°C."
Koppelingen / Bronnen:
  • Ruapehu: Crater Lake records lowest temperature since 2010 (GeoNet)
Vorig nieuws
Saturday, Apr 13, 2013
GNS reported that "the temperature of Crater Lake has started to rise and has now reached 30°C. It has been accompanied by some minor volcanic tremor. The chemistry data from our last sampling trip confirms the decline of temperature in the deep geothermal system. ... [meer...]
Tuesday, Mar 12, 2013
The latest lake water temperatures readings and seismic recordings showed no particular signs of unrest in recent weaks and the volcanic alert status level has been reduced back to normal=green. [meer...]
Tuesday, Mar 05, 2013
Unrest at the volcano is decreasing. GNS scientists have been able to confirm that the temperatures at depth of the crater lake have started to decline, although still remain elevated. ... [meer...]
Current seismic recording at Ruapehu (Far West station, GeoNet)
Thursday, Jan 24, 2013
Current level of earthquakes remains low. [meer...]

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