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Mauna Loa volcano
Shield volcano 4170 m / 13,681 ft
Big Island, Hawai'i, 19.48°N / -155.61°W
Current status: restless (2 out of 5)
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Mauna Loa volcano eruptions:
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
Typical eruption style:
Dominantly effusive.
Last earthquakes nearby
Mauna Loa volcano tours
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Volcano news: Mauna Loa volcano (Big Island, Hawaii)

Mauna Loa volcano (Big Island, Hawaii): activity remains unchanged

Thu, 27 Aug 2020, 07:40
07:40 AM | BY: MARTIN
Thermal image at Mauna Loa at northwest rim captured yesterday (image: HVO)
Thermal image at Mauna Loa at northwest rim captured yesterday (image: HVO)
During the past week the Hawaiian Volcano Observatory (HVO) recorded 144 small-magnitude earthquakes below the volcano's summit and upper-elevation flanks. Most of these earthquakes occurred at shallow depths of less than 8 km (~5 miles) below ground level.
Slow summit inflation continues to be detected by the GPS, consistent with magma supply to the volcano's shallow storage system.
Gas concentrations and fumarole temperatures remain stable.
Source: Hawaiian Volcano Observatory volcano activity update 27 August 2020
Previous news
Thu, 30 Jul 2020, 22:31
Location of earthquakes under Mauna Loa over the past week (C) U. S. Geological Survey
The Hawaiian Volcano Observatory recorded 105 small-magnitude earthquakes on Mauna Loa’s summit and upper-elevation flanks over the past week. Most of these earthquakes occurred at shallow depths of less than 8 kilometers (~5 miles) below ground level. read all
Fri, 5 Jun 2020, 08:01
Middle part of Southwest Rift Zone at Mauna Loa volcano (image: HVO)
During the past week the Hawaiian Volcano Observatory (HVO) recorded 65 small-magnitude earthquakes on the volcano's summit and upper-elevation flanks. Most of these earthquakes occurred at shallow depths of less than 8 km (~5 miles) below ground level. The largest earthquake was with magnitude M 3.2 event that occurred below the volcano's Southwest Rift Zone on 2 June. ... read all
Tue, 26 May 2020, 08:04
Southwest Rift Zone at Mauna Loa volcano (image: HVO)
During the past week the Hawaiian Volcano Observatory (HVO) recorded 63 small-magnitude earthquakes on the volcano's summit and upper-elevation flanks. Most of these earthquakes occurred at shallow depths of less than 8 km (~5 miles) below ground level. ... read all
Sat, 16 May 2020, 12:52
The Hawaiian Volcano Observatory (HVO) recorded 92 small-magnitude earthquakes on Mauna Loa’s summit and upper-elevations. Most of these earthquakes occurred at shallow depths of less than 8 kilometers (~5 miles) below sea level. Slow summit inflation continues which HVO claim is “consistent with magma supply to the volcano's shallow storage system.” Gas concentrations and fumarole temperatures remain stable. ... read all
Fri, 15 May 2020, 07:48
Southwest Rift Zone at Mauna Loa volcano (image: HVO)
During the past week the Hawaiian Volcano Observatory (HVO) recorded 92 small-magnitude earthquakes on the volcano's summit and upper-elevation flanks. Most of these earthquakes occurred at shallow depths of less than 8 km (~5 miles) below ground level. ... read all
 

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