earthquake-report Update Bardarbunga, Iceland – December 22, 16:25 UTC (Armand) * Insubstantial changes have been in the volcanic eruption in Holuhraun over the last few weeks. The lava is now flowing inside a closed channel to the eastern edge of the lava field, about 15 km from the crater. Lava is also running to the north. * Seismic activity in Bardarbunga continues to be strong, but it has though somewhat decreased. The strongest earthquake since noon on Friday, 19. December, was magnitude M4,5 yesterday, 21. December, at 16:12 on the southern rim of the caldera. Six earthquakes larger then M4,0 were detected since Friday and about 25 earthquakes between M3,0-4,0. In total about 135 earthquakes were detected in Bardarbunga since noon on Friday. * Eighteen earthquakes were detected in the dyke and around the eruption site in Holuhraun since Friday. All smaller then magnitude M2,0. * GPS measurements near northern Vatnajokull glacier show continuing slow subsidence towards Bardarbunga. The rate of the subsidence has slowly decreased. * Telecommunications with the GPS station in Bardarbunga caldera have not been established yet. Due to bad weather, over the last few weeks, scientists have not able to travel to Bardarbunga. It is unlikely that any attempt will be made to fix the GPS station until after the holidays. earthquake-report/2013/05/27/wordwide-volcano-activity-copahue-volcano-chile-alert-raised-to-red/
Posted on: Mon, 22 Dec 2014 17:01:08 +0000
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