One more from lake Kleifarvatn :-)
(Wich is seen in the previous two pictures).
Kleifarvatn is the largest lake on the Reykjanes peninsula (where Reykjavik also is). It is also one of the deepest lakes in Iceland (at almost a 100 metres) and very cold!
-After a large earthquake in 2000, about 20% of the lake disapperared!!
Large fissures had apparently opened up beneath the lake, and it was now draining away into those fissures!
National Geographic article:
http://news.nationalgeographic.com/news/2001/10/1001_lostlake.html
"If you put your ear to the ground, you can hear the lake draining," said geologist Amy Clifton of the Nordic Volcanological Institute in Reykjavik, Iceland. "It sounds like water going down the sink."
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(The lake slowly filled up again though, and (from ca. 2007) again reached itīs former normal water level).