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Iliamna volcan est un grand stratovolcan sur le côté ouest de la Cook Inlet, dans le lac Clark National Park 220 km au SO de Anchorage ou 100 km au NO de Homer.
Il existe plusieurs rapports sur l'activité dans l'incertitude des 250 dernières années, mais les seuls confirmés connus éruptions historiques ont été faibles à modérées éruptions explosives en 1876, 1867, et entre 778 et 1879. Une plus grande éruption avec coulées pyroclastiques a été daté par méthode du radiocarbone et ont eu lieu entre 300 et il ya 140 ans, mais n'a pas été observé. La plupart des rapports éruption éparses de Iliamna faites probablement allusion à la forte activité des fumerolles situées à l'est et au SE du sommet.
stratovolcan 3053 m / 10,016 ft
Cook Inlet (SW Alaska), 60.03°N / -153.09°W
Condition actuelle: normal / en sommeil (1 sur 5)
Iliamna webcams / données en temps réel | ReportsIliamna livres
Eruptions du volcan Iliamna:
1953(?), 1952(?), 1933(?), 1876, 1867, 1843(?), 1793(?), 1778-79, 1768(?)
radiocarbon-dated: 1650 ?, 450 BC ?, 2050 BC ?, 5050 BC ?
Style éruptif tipique:explosive
Derniers séismes proches
Derniers images satellite  Sentinel hub | Landsat 8
Iliamna volcano (Cook Inlet, SW Alaska) news & activity updates
Iliamna volcano (Cook Inlet (SW Alaska)) activity update
Thursday Mar 07, 2013 17:47 PM | AUTEUR : T
Recent quakes near Iliamna
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.
Actualités précédentes
Sunday, Feb 03, 2013
Earthquake activity remains slightly increased.
[details]
Saturday, Feb 02, 2013
A swarm of earthquakes has started yesterday near Iliamna volcano. This morning, a 3.7 quake occurred about 30 km to the east, the strongest event in this new pulse of seismic activity so far. ...
[details]
Thursday, Jan 10, 2013
Alert level has been put back to "green", after a gradual decline in seismic activity has been observed since March 2012, even though some earthquakes are still being registered under the volcano.
[details]
Sunday, Oct 28, 2012
Seismicity remains somewhat elevated. AVO has received no reports of activity at the volcano.
[details]
Wednesday, Sep 26, 2012
Seismicity remains very slightly above background. Satellite images of the volcano over the past 24 hours have been obscured by clouds. AVO has received no reports of unusual activity at the volcano. (AVO)
[details]
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