Volcanic eruption
See 1940 on the mapEruption of Mauna Loa
7 Apr 1940 – 18 Aug 1940 · 19.48° N, 155.61° W
Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean. Mauna Loa is Earth's largest active volcano by both mass and volume. It was historically considered to be the largest volcano on Earth until the submarine mountain Tamu Massif was discovered to be larger.
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What the records say
- When
- 7 Apr 1940 – 18 Aug 1940
- Kind
- Volcanic eruption
- Coordinates
- 19.48° N, 155.61° W
- Vei
- 0
- Vent
- Mokuaweoweo and SW rift zone
- Dated by
- Observations: Reported
- Volcano number
- 332020
- Eruption number
- 10221
Nearby in time and place
The source
- Smithsonian GVP Volcanoes of the World: Holocene eruptionsGlobal Volcanism Program, Smithsonian InstitutionSmithsonian terms of use: personal, educational and non-commercial use, with creditGlobal Volcanism Program, Smithsonian Institution: Volcanoes of the World v5.3, https://doi.org/10.5479/si.GVP.VOTW5-2025.5.3Source page