How often do volcanoes erupt in Hawaii?

For the past 200 years, Mauna Loa and Kilauea have tended to erupt on average every two or three years, placing them among the most frequently active volcanoes of the world. Some intervals of repose between eruptions at a given volcano have been much longer than its long-term average.



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Located in a closed area of Hawaii Volcanoes National Park, Kilauea is one of the world's most active volcanoes. In 2019, a string of earthquakes and major eruption at Kilauea led to the destructions of hundreds of homes and businesses.

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During the morning of September 11, Hawaiian Volcano Observatory geologists conducted an overflight of the new eruption within the Kilauea summit caldera. The eruption is occurring in the east portion of Halema?uma?u crater and on the downdropped block to the east, which formed during the 2018 summit collapse.

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Rising gradually to more than 4 km (2.5 mi) above sea level, Hawaii's Mauna Loa is the largest active volcano on our planet. Its submarine flanks descend to the sea floor an additional 5 km (3 mi), and the sea floor in turn is depressed by Mauna Loa's great mass another 8 km (5 mi).

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It's not only illegal to take lava rocks from Hawaii, but it's also considered bad luck. Known as Pele's Curse, taking lava rocks from the islands is said to bring bad luck and misfortune upon the thief. So if you're planning on visiting the islands anytime soon, leave the rocks behind and enjoy your vacation!

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Tsunami that hit Hawaii don't always come from distant earthquakes. Although not as frequent, tsunami can also be generated by underwater volcanic eruptions. A very recent example of this is the Hunga-Tonga Hunga-Ha?apai eruption in 2022.

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Some believe that some flows in east honolulu are younger (5000-10000 years old) but the evidence is not very convincing. So, is there a threat of a volcano erupting here again? It is always possible, but the odds are actually slim.

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