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| 2022 eruption of Mauna Loa | |
|---|---|
 Mauna Loa's eruption was captured by the Operational Land Imager-2 (OLI-2) on December 2. | |
| Volcano | Mauna Loa |
| Start date | November 27, 2022 |
| Start time | 11:30 p.m. HST |
| End date | December 13, 2022 |
| Type | Hawaiian, effusive |
| Location | Pacific Ocean, Hawaiʻi 19°28′46″N 155°36′10″W / 19.47944°N 155.60278°W |
| Volume | 0.2–0.25 km3 (0.048–0.060 cu mi) |
| VEI | 0[1] |
| Impact | No injuries or deaths, US$1.5m in estimated property damage |
 USGS map of eruptive activity December 12, at 9:45 a.m. | |
The 2022 eruption of Mauna Loa was an episode of eruptive volcanic activity at Mauna Loa, the world's largest active volcano, located on Hawaiʻi island, Hawaiʻi. Mauna Loa began to erupt shortly before midnight HST on November 27, 2022, when lava flows emerged from fissure vents in Moku‘āweoweo (Mauna Loa's summit caldera).[2][3] It marked the first eruption at the volcano in 38 years.[4] The eruption ended on December 13, 2022, after more than two weeks.
The eruption resulted in no recorded injuries or fatalities, and while it threatened equipment at Mauna Loa Observatory and the cross-island Saddle Road, it did not result in the major property damage caused by other Hawaiian eruptions such as the 2018 eruption at neighboring Kīlauea that destroyed 700 homes. The Hawaii County civil defense administrator called it "the best situation we could have asked for from Mauna Loa", and the scientist in charge of the Hawaiian Volcano Observatory called it his "favorite eruption".[5]
- ^ "Mauna Loa: Eruptive History". Global Volcanism Program. Smithsonian Institution. Retrieved July 1, 2023.
- ^ Yablonski, Steven (November 28, 2022). "Hawaii's Mauna Loa volcano erupts for first time since 1984". Fox Weather. Archived from the original on November 30, 2022. Retrieved November 30, 2022.
- ^ "Mauna Loa: World's largest active volcano erupts in Hawaii". BBC News. November 28, 2022. Archived from the original on November 30, 2022.
- ^ Cite error: The named reference
:2was invoked but never defined (see the help page). - ^ "Hawaii's Mauna Loa and Kilauea volcanoes have stopped erupting, scientists say". NPR. Associated Press. December 13, 2022. Archived from the original on January 11, 2023. Retrieved December 14, 2022.