The ʻAilāʻau eruption is a prehistoric

eruption A volcanic eruption occurs when material is expelled from a volcanic vent or fissure. Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has ...

Kīlauea Kīlauea ( , ) is an active shield volcano in the Hawaiian Islands. It is located along the southeastern shore of Hawaii (island), Hawaii Island. The volcano is between 210,000 and 280,000 years old and grew above sea level about 100,000 years ...

volcano A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most oft ...

on the island of

Hawaiʻi Hawaii ( ; ) is an island state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two non-contiguous U.S. states (along with Alaska), it is the only state not on the North American mainland, th ...

in the

Hawaiian Islands The Hawaiian Islands () are an archipelago of eight major volcanic islands, several atolls, and numerous smaller islets in the Pacific Ocean, North Pacific Ocean, extending some from the Hawaii (island), island of Hawaii in the south to nort ...

. Carbon 14 dated from approximately 1410 to 1470 with an eruptive volume of 5.2 ± 0.8 km³ and fed by

lava tubes A lava tube, more rarely called a pyroduct, is a 'roofed conduit through which molten lava travels away from its vent'. If lava in the tube drains out, it will leave an empty cave. Lava tubes are common in low-viscosity volcanic systems. La ...

near Kīlauea Iki

crater A crater is a landform consisting of a hole or depression (geology), depression on a planetary surface, usually caused either by an object hitting the surface, or by geological activity on the planet. A crater has classically been described ...

, it was among the last of a series of highly voluminous

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...

flows since about 1290 that blanketed vast swaths of what is now

Hawaii County Hawaiʻi County (; officially known as the County of Hawaiʻi) is a county in the U.S. state of Hawaii in the Hawaiian Islands. It is coextensive with the Island of Hawaiʻi, often called the "Big Island" to distinguish it from the state as a wh ...

's Puna District. The

Kazumura Cave Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. The cave is located on the island of Hawaiʻi on the eastern slope of Kīl ...

lava tube A lava tube, more rarely called a pyroduct, is a 'roofed conduit through which molten lava travels away from its vent'. If lava in the tube drains out, it will leave an empty cave. Lava tubes are common in low-viscosity volcanic systems. La ...

s were also created by this eruption.Kilauea summit overflows: Their ages and distribution in the Puna District, Hawai'i - USGS
/ref>
/ref> The ʻAilāʻau eruption occurred before written records, but was witnessed by

Ancient Hawaii Ancient Hawaii is the period of Hawaiian history preceding the establishment in 1795 of the Kingdom of Hawaii by Kamehameha the Great. Traditionally, researchers estimated the first settlement of the Hawaiian islands as having occurred sporad ...

ans, and through their oral traditions it is thought to have inspired the Hawaiian myth of ʻAilāʻau, whose name in the

Hawaiian language Hawaiian (', ) is a critically endangered Polynesian language of the Austronesian language family, originating in and native to the Hawaiian Islands. It is the native language of the Hawaiian people. Hawaiian, along with English, is an offi ...

means "forest-eater" in reference to the many forest lands consumed by lava.I. Ai Laau, The Forest Eater - Sacred Texts
/ref>

References

Ancient Hawaii 15th-century volcanic events Kīlauea VEI-0 eruptions Volcanic eruptions in the United States Hawaiian eruptions {{volcano-stub