Volcanoes in Hawaii: Mauno Loa Volcano














Volcanoes in Hawaii: Mauno Loa Volcano

Location : Big Island, Hawaii
  • 19.47 N, 155.60 W,
  • Volcano summit elevation 4170 meters
  • shield volcano
Mauna Loa volcano is one of the tallest mountains in the world. When measured from its base on the sea floor, it rises more than 17,000 m (56,000 feet). Mauna Loa volcano is approaching its longest historical period of inactivity, 25 years. Mauna Loa volcano is spreading because its size is large compared to the thin basal layer.

Mauno Loa 1984 Volcanic Eruption
Early on the morning of 25th March 1984, a magnitude 4 earthquake accompanied an eruption of Mauna Loa volcano. Lava fountains were visible in Mokuaweoweo caldera. This was followed by fissures opening on upper NE Rift Zone. By 29th March, lava flows reach within 6.5 km of Hilo. The eruption finished on 15th April 1984.

Mauno Loa 1975 Volcanic Eruption
Mauna Loa volcano began erupting on 5th July 1975. A line of fountains occurred in the summit caldera, and extended about 2 km beyond the caldera margin into the southwest rift zone.
Volcanoes in Hawaii-mauna-kea-volcano.

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