ə / or / ˌ m aʊ n ə ˈ l oʊ. Mauna Loa is the largest active volcano on the planet.

With no eruption since 1984, Mauna Loa is currently in its longest quiet period in recorded history. Volcano Watch — Sightseers Jam Roads and Airspace During Mauna Loa's 1949 Summit Eruption Release Date: May 7, 2009 On the afternoon of January 6, 1949, scientists at the Hawaiian Volcano Observatory, 32 km (20 miles) from Mauna Loa's summit, couldn't see the top of the volcano due to heavy cloud cover but they heard deep rumbling sounds from it. By the time it ended on …

By the time it ended on … This alert level does not mean that an eruption is imminent or that progression to eruption from current level of unrest is certain. Over immense geological time, this building has led to an elevation for Mauna Loa of 13,680 feet or 4,170 meters above sea level. Mauna Loa, the world’s largest volcano, located on the south-central part of the island of Hawaii, U.S., and a part of the Hawaii Volcanoes National Park. “Collectively, Kīlauea’s long-term eruption, since 1983, may add up to more than a single Mauna Loa eruption, but a big Mauna Loa eruption can take out an entire city like Hilo. Flank eruptions are predominately from the lengthy NE and SW rift zones, and the summit is cut by the Mokuaweoweo caldera, which sits within an older and larger 6 x 8 km caldera. ə /; Hawaiian: [ˈmɐwnə ˈlowə]; English: Long Mountain) is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawai ʻ i in the Pacific Ocean. There were no events on Mauna Loa above magnitude 2.0. Mauna Loa is the world's largest and one of its most active volcanoes - a giant shield volcano on the Big Island of Hawai'i. Within 2 to 3 hours, 80% of the crater was covered by lava and there was concern that lava might flow from the crater toward MLO. Most of these earthquakes occurred at shallow depths of less than 8 … Mauna Loa takes up half of the biggest island in the chain that makes up the Hawaiian Islands. Mauna Loa, located on the Island of Hawaii, is one of the most active volcanoes on the Earth. The eruption began suddenly, following a 3-year period of slowly increasing earthquake activity beneath the volcano that included a swarm of earthquakes 5 to 13 km (3 to 9 mi) deep in mid-September 1983. Mauna Loa is not erupting and remains at Volcano Alert Level ADVISORY. Massive Mauna Loa shield volcano rises almost 9 km above the sea floor to form the world's largest active volcano. Mauna Loa is the largest subaerial and second largest overall volcano in the world (behind Tamu Massif), covering a land area of 5,271 km 2 (2,035 sq mi) and spans a maximum width of 120 km (75 mi). Massive Mauna Loa shield volcano rises almost 9 km above the sea floor to form the world's largest active volcano. Flank eruptions are predominately from the lengthy NE and SW rift zones, and the summit is cut by the Mokuaweoweo caldera, which sits within an older and larger 6 x 8 km caldera. The eruption began on the western rim of Mauna Loa’s summit caldera but then migrated down the volcano’s Northeast Rift Zone. Eruption Precursors: Earthquakes & Deformation 1975-1984. Meaning "long mountain" in Hawaiian, it is the quintessential shield volcano in its shape— signified by broad, rounded slopes. Although the 1950 Mauna Loa flow was quite unlike any other historical Mauna Loa eruption, it was unfortunately not well observed during the eruption. Keep in mind that the scientists of the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) have instruments that monitor the rift zones 24 hours a day. The volcano makes up roughly 51% of Hawaiʻi Island and stands 13,678 feet (4,170 m) above sea level. Mauna Loa, the largest active volcano on Earth, has erupted, on average, every 5-6 years during the past 3,000 years. The result is a range of weather conditions and vegetative zones from sea level to the summit of the volcano. Consisting of approximately 65,000 to 80,000 km 3 (15,600 to 19,200 cu mi) of solid rock, it makes up more than half of the surface area of the island of Hawai ʻ i.

Mauna Loa is one of the most active volcanoes in the world, meaning it erupts frequently.