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Zufallsfotos
Recent quakes near Iliamna
Donnerstag, Mär 07, 2013
Seismicity has risen again at the volcano recently, earthquake-report mentioned. Events as large as M1.4 occurred along a (ring?) fracture located south of the volcano’s summit. [mehr]
Time and depth of rencent quakes under Iliamna volcano
Sonntag, Feb 03, 2013
Earthquake activity remains slightly increased. [mehr]
 
Lagekarte des Iliamna Vulkans in Alaska (Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys)
Lagekarte des Iliamna Vulkans in Alaska (Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys)

Iliamna Vulkan Ausbrüche

Schichtvulkan 3053 m / 10,016 ft
Cook Inlet (SW Alaska), 60.03°N / -153.09°W
Eruption-Liste: 1953(?), 1952(?), 1933(?), 1876, 1867, 1843(?), 1793(?), 1778-79, 1768(?)
radiocarbon-dated: 1650 ?, 450 BC ?, 2050 BC ?, 5050 BC ?


1996-97 earthquake swarms
During 1996-97, dike intrusions under the volcano caused several shallow earthquake swarms, but no eruption.
[mehr]

1987 steam plume
On the morning of 19 March 1987 at 8am, several pilots observed an unusually large steam plume rising about 1000-1100 m above the summit of Iliamna. The plume originated from an area on the upper S flank vent, but did not contain visible ash.
The event is not counted as an eruption, but a period of exceptionally strong degassing from active fumaroles.

1978 steam eruption
A brief steam eruption occurred on 7 November 1978 between 10 and 13 h local time, producing puffs of steam, ejected every 1-5 minutes, that rose an estimated 3 km above the summit. No ash was visible in the steam puffs. No unusual seismic activity was recorded.
 

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