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17-23 mars 2018: Spécial Volcan Kilauea - Île d'Hawaii (Big Island)
17-23 mars 2018: Pele´s Fire and Myths - Big Island, Hawai% u02BBi
28 avril - 3 mai 2018: Le Joyau Égéen caché: l'Île de Milos - Île de Milos, Grèce
5-13 mai 2018: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
12-20 mai 2018: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
19-27 mai 2018: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
9-17 juin 2018: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
24 juin - 1 juil. 2018: Le Grand Lac de Lave du Nyiragongo - République démocratique du Congo et Rwanda
12-14 juil. 2018: Spécial Volcan Krakatau - Le Krakatau, détroit de la Sonde
6-14 oct. 2018: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
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Diaporama
Actualités
Recent earthquakes under Loihi volcano (Hawai'i)
lundi, juin 26, 2017
Since late May, the volcano hidden beneath the Pacific south of Big Island has been showing markedly increased seismic activity. Several earthquake swarms were detected under the volcano. ... [details]
lundi, nov. 26, 2012
A magnitude 4.2 earthquake was detected at Loihi volcano on 25 November. We will wait and see if the Hawaiian Volcano Observatory has any more information on this. [details]
 

Loihi volcan

Submarine volcano -975 m / - 3,199 ft
United States, Hawaiian Islands, 18.92°N / -155.27°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Loihi webcams / données en temps réel | Reports
Loihi livres
Last update: 29 janv. 2018 (earthquake swarm)
Style éruptif tipique: unspecified
Eruptions du volcan Loihi: 1996 
HeureMag. / DepthDistanceLocation
Wed, 21 Feb
Wed, 21 Feb 03:53 UTCM 1.8 / 5.7 km36 km- 5km SSW of Pahala, Hawaii
Wed, 21 Feb 01:25 UTCM 1.7 / 11.4 km11 km- 42km SSE of Pahala, Hawaii
Tue, 20 Feb
Tue, 20 Feb 19:39 UTCM 1.8 / 42.9 km25 km- 18km ESE of Pahala, Hawaii
Tue, 20 Feb 10:56 UTCM 2.2 / 5 km29 km ISLAND OF HAWAII, HAWAII
Tue, 20 Feb 09:02 UTCM 1.7 / 31.7 km34 km- 3km SSE of Pahala, Hawaii
Voir tous

Introduction:

Loihi seamount, the youngest volcano of the Hawaiian chain, lies about 35 km off the SE coast of the island of Hawaii. Loihi (which is the Hawaiian word for "long") has an elongated morphology dominated by two curving rift zones extending north and south of the summit. The summit region contains a caldera about 3 x 4 km wide and is dotted with numerous lava cones, the highest of which is about 975 m below the sea surface. The summit platform includes two well-defined pit craters, sediment-free glassy lava, and low-temperature hydrothermal venting. An arcuate chain of small cones on the western edge of the summit extends north and south of the pit craters and merges into the crests of Loihi's prominent rift zones. Deep and shallow seismicity indicate a magmatic plumbing system distinct from that of Kilauea volcano. During 1996, a new pit crater was formed at the summit of the volcano, and lava flows were erupted. Continued volcanism is expected to eventually build a new island at Loihi; time estimates for the summit to reach the sea surface range from roughly 10,000 to 100,000 years.
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Smithsonian / GVP volcano information


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