A maar is a hole in the ground, of volcanic origin… what else?… caused by interaction with water… That was about all I knew about maars when I prepared for this year’s holiday, in the German Eifel maars area (Vulkaneifel, Rheinland-Pfalz district). I did not expect to find a great lot of evidence for former volcanic activity. Probably all covered by sediments or eroded, mined away or grown over – that’s what I thought. Mind you, it was not the famous Laacher See caldera I visited which had produced a VEI 6 eruption some 13 000 years ago. Continue Reading
My choice of the most dangerous volcano of the world:
I have to agree with quite a few people. The most dangerous one is one which has been dormant for a long period of time and suddenly starts to wake up. Even more so if this sleeping giant lies in a densely populated area. Areas around volcanoes are often inhabited by large crowds of people.