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Diaporama
Mauna Loa volcan
Shield volcano 4170 m / 13,681 ft
Big Island, Hawai'i, 19.48°N / -155.61°W
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Mauna Loa webcams / données en temps réel | Reports
Mauna Loa livres | Tours
Eruptions du volcan Mauna Loa:
1832, 1843, 1849, 1851, 1852, 1855-56, 1859, 1865-66, 1868, 1870(?), 1871, 1872, 1873, 1873-74, 1875, 1876, 1877, 1879, 1880, 1880-81, 1887, 1892, 1896, 1899, 1903, 1907, 1914-15, 1916, 1919, 1926, 1933, 1935-36, 1940, 1950, 1975, 1984
Style éruptif tipique:
Effusives position dominante.
Derniers séismes proches
Voyages au volcan Mauna Loa
Hawaii - Birthplace of Islands (14 days walking and study tour to Oahu, Kauai, Maui, Hawai'i)

Derniers images satellite

Sentinel hub | Landsat 8
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Volcano news: Mauna Loa volcano (Big Island, Hawaii)

Fri, 21 Feb 2020, 14:54
The location of recorded earthquakes over the past week (C) U.S. Geological Survey
HVO recorded 44 small-magnitude earthquakes beneath Mauna Loa volcano's upper elevations. The strongest was a magnitude-2.2 on the 16th of February, at approximately 7 kilometers (around 4 miles) below the surface. This was deeper than most of the earthquakes which occurred at depths of less than 5 kilometers (around 3 miles) beneath the surface of the volcano. The volcano continues to inflate, due to magma being supplied to the volcano’s shallow storage region. Gas concentrations and fumarole temperatures remain stable.
The depth of recorded earthquakes over the past week (C) U.S. Geological Survey
Fri, 14 Feb 2020, 21:31
Mauna Loa caldera, image captured from HVO's MLcam (C) U.S. Geological Survey
31 small-magnitude earthquakes occurred beneath Mauna Loa over the past week. HVO recorded the strongest earthquake at magnitude 2.9, 13 km (8 miles) deep on February 9. According to HVO this was deeper than most earthquakes from the past week, which occurred less than 5 km (3 miles) deep. There is continued inflation at the summit where magma supply to the volcano’s shallow system continues. ...plus [lire toutes]
Thu, 6 Feb 2020, 23:21
Channelized lava flow from the 1984 eruption of Mauna Loa (image: U.S. Geological Survey)
134 small magnitude earthquakes were recorded by HVO beneath the upper elevations of the volcano over the past week; the strongest was a magnitude-2.4 earthquake on February 3. Most earthquakes occurred at shallow depths of less than 5 km (~3 miles) beneath the volcano's surface. ...plus [lire toutes]
Sat, 1 Feb 2020, 00:10
Earthquake data for Mauna Loa volcano (C) U.S.Geological Survey
During the past week, HVO seismometers recorded 107 small magnitude earthquakes beneath the upper elevations of the volcano; the strongest was a magnitude 2.3 earthquake on January 23. Most earthquakes occurred at shallow depths of less than 5 km (~3 miles) beneath the volcano's surface. ...plus [lire toutes]
Fri, 24 Jan 2020, 23:31
Mauna Loa caldera, image captured from HVO's MLcam (C) U.S. Geological Survey
During the past week, HVO seismometers recorded 99 small magnitude earthquakes beneath the upper elevations of the volcano; the strongest was a magnitude-3.1 earthquake on January 21. Most earthquakes occurred at shallow depths of less than 5 km (~3 miles) beneath the volcano's surface. ...plus [lire toutes]
Sun, 12 Jan 2020, 16:13
During the past week, HVO seismometers recorded 56 small magnitude earthquakes beneath the upper elevations of the volcano. Most earthquakes occurred at shallow depths of less than 5 km (~3 miles) beneath the volcano. ...plus [lire toutes]
Thu, 19 Dec 2019, 23:06
HVO report that Mauna Loa volcano is not currently erupting. The deformation and seismicity rates have not changed substantially over the past week and remain above long-term background levels. ...plus [lire toutes]
Sun, 8 Dec 2019, 21:00
Mauna Loa caldera, image captured from HVO's MLcam (C) U.S. Geological Survey
HVO report that during the past week, approximately 70 small-magnitude earthquakes (nearly all smaller than M2.0) were detected beneath the upper elevations of Mauna Loa. Most of the earthquakes occurred at shallow depths of less than 6 km (around 4 miles) below sea level. ...plus [lire toutes]
Sun, 24 Nov 2019, 20:05
During the past week, HVO detected approximately 62 small-magnitude earthquakes (most of them were smaller than M2.0) beneath the upper elevations of Mauna Loa. Most of the earthquakes occurred at shallow depths of less than 5 km (~3 miles) below sea level. ...plus [lire toutes]
Sun, 17 Nov 2019, 19:12
Mauna Loa caldera, image captured from HVO's MLcam (C) U.S. Geological Survey
The seismicity and deformation levels on Mauna Loa volcano have not changed considerably over the past few weeks, but still remain elevated above background levels. ...plus [lire toutes]

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