(Left) Aerial photograph of the Pāhala area, on the southern side of the Island of Hawaiʻi, taken on December 11, 1976. (Right) The backside of the same photo showing labeled field locations, marked with a pinhole through the photograph, which correspond to the geologist’s field notes.
Images
Mauna Loa images of eruptive activity, field work, and more.
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Aerial photograph of Pāhala region, Island of Hawai'i—Dec. 11, 1976
(Left) Aerial photograph of the Pāhala area, on the southern side of the Island of Hawaiʻi, taken on December 11, 1976. (Right) The backside of the same photo showing labeled field locations, marked with a pinhole through the photograph, which correspond to the geologist’s field notes.
Mauna Loa 1975 eruption. Lava fountains up to 20 m (65 ft) high eru...
Mauna Loa 1975 eruption. Lava fountains up to 20 m (65 ft) high erupted from fissures on the north flank of the volcano early Sunday morning, July 6, 1975.
Mauna Loa 1975 eruption. Lava fountains up to 20 m (65 ft) high erupted from fissures on the north flank of the volcano early Sunday morning, July 6, 1975.
A fast-moving ‘A‘ā flow erupted from Mauna Loa in 1950 as it advanc...
Aerial photograph shows the Ka‘apuna lava flow erupted from Mauna Loa in 1950 as it advanced through the forest at about 3,000 feet elevation on the morning of June 2. This rapidly moving ‘a‘ā lava flow traveled from the Southwest Rift Zone vent to the ocean in about 17 hours. Earlier flows from this same eruption reached the ocean in as little as three hours.
Aerial photograph shows the Ka‘apuna lava flow erupted from Mauna Loa in 1950 as it advanced through the forest at about 3,000 feet elevation on the morning of June 2. This rapidly moving ‘a‘ā lava flow traveled from the Southwest Rift Zone vent to the ocean in about 17 hours. Earlier flows from this same eruption reached the ocean in as little as three hours.
Fissure of lava fountains erupting from Mauna Loa's upper SW rift z...
Fissure of lava fountains erupting from Mauna Loa's upper southwest rift zone, June 2, 1950. Plumes of volcanic gas rise high into the air. Aerial photograph taken by the Air National Guard.
Fissure of lava fountains erupting from Mauna Loa's upper southwest rift zone, June 2, 1950. Plumes of volcanic gas rise high into the air. Aerial photograph taken by the Air National Guard.
Ka‘apuna lava flow enters the ocean during Mauna Loa 1950 eruption....
Photograph taken from sea aboard a ship.
Ka‘apuna lava flow, Mauna Loa 1950, creates steam plume as it enter...
The Ka‘apuna flow traveled from the Southwest Rift Zone vent (7,800 ft elevation) to the coast in just 17 hours.
The Ka‘apuna flow traveled from the Southwest Rift Zone vent (7,800 ft elevation) to the coast in just 17 hours.
Aerial photograph of the 1942 Mauna Loa lava flow spreading downslo...
Aerial photograph of the 1942 Mauna Loa lava flow spreading downslope toward Hilo; smoke from burning trees in center of flow. Scattered cinder cones at the summit of Mauna Kea, top of photograph.
Aerial photograph of the 1942 Mauna Loa lava flow spreading downslope toward Hilo; smoke from burning trees in center of flow. Scattered cinder cones at the summit of Mauna Kea, top of photograph.
Aerial view by the Naval Air Service of the 1933 Mauna Loa eruption...
Aerial view by the Naval Air Service of the 1933 Mauna Loa eruption from a fissure across the rim and floor of Moku‘āweoweo Crater.
Aerial view by the Naval Air Service of the 1933 Mauna Loa eruption from a fissure across the rim and floor of Moku‘āweoweo Crater.
Scientists looking into bright glow of Mauna Loa's 1942 eruptive ve...
Scientists looking into the bright glow of Mauna Loa's 1942 eruptive vent. Eruption occurred during WWII and was not publicized to prevent Japanese war planes from navigating to the island at night.
Scientists looking into the bright glow of Mauna Loa's 1942 eruptive vent. Eruption occurred during WWII and was not publicized to prevent Japanese war planes from navigating to the island at night.
May 19, 1916 — Mauna Loa Southwest Rift Zone eruption
Image of the steam plume that accompanied the start of Mauna Loa’s 1916 eruption on the Southwest Rift Zone. View is from within Hawai‘i Volcanoes National Park, with Kīlauea caldera wall visible in the middle of the photo. Photograph by H. Wood and courtesy of University of Hawai‘i at Mānoa Hamilton Library.
Image of the steam plume that accompanied the start of Mauna Loa’s 1916 eruption on the Southwest Rift Zone. View is from within Hawai‘i Volcanoes National Park, with Kīlauea caldera wall visible in the middle of the photo. Photograph by H. Wood and courtesy of University of Hawai‘i at Mānoa Hamilton Library.
Map of post-1823 lava flows erupted from Mauna Loa (gray) and numbe...
Slope map of Mauna Loa, including lava flows erupted since 1823 (gray), showing the approximate number of hours or days it took for a flow to advance from the vent location to the ocean or maximum reach of a flow. One flow that moved down the steep slopes on west flank of Mauna Loa reached the ocean in as little as 3 hours after the vent started erupting in 1950.
Slope map of Mauna Loa, including lava flows erupted since 1823 (gray), showing the approximate number of hours or days it took for a flow to advance from the vent location to the ocean or maximum reach of a flow. One flow that moved down the steep slopes on west flank of Mauna Loa reached the ocean in as little as 3 hours after the vent started erupting in 1950.