Koʻolau Volcano

E284131

Koʻolau Volcano is an ancient, heavily eroded shield volcano that forms the eastern half of the island of Oʻahu in Hawaii.

All labels observed (5)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf geological formation
shield volcano
volcano
age about 2.5 million years
composition tholeiitic basalt
country United States
drainageTo Kāneʻohe Bay
erosionState heavily eroded
eruptionStyle effusive eruptions
feature deeply incised valleys
pali (cliffs) along the windward side of Oʻahu
steep windward cliffs
formed Pleistocene epoch
formedBy hotspot volcanism
forms eastern half of the island of Oʻahu
formsWith Waianae Volcano
island of Oʻahu
hasCityOnFlank Honolulu
Kailua
Kāneʻohe
linked to: Kaneohe
hasClimaticEffect orographic rainfall on windward side
rain shadow on leeward side
hasGeomorphologicalType shield volcano
hasHawaiianName Koʻolau
linked to: Koʻolau Range
hasLandUse conservation areas
military installations
residential areas
urban development on southern flanks
hasNotablePass H-3 freeway tunnels
Nuʻuanu Pali
hasRemnant Koʻolau Range
hasRockType basaltic lava flows
volcanic ash deposits
hotspot Hawaii hotspot
influences windward Oʻahu rainfall patterns
island Oʻahu
linked to: Oahu
lastEruption about 1.7 million years ago
locatedIn Hawaii
linked to: Hawaiʻi (island)

Oʻahu
linked to: Oahu

United States
mountainRange Koʻolau Range
nameMeaning windward (in Hawaiian)
ocean Pacific Ocean
overlies Pacific Plate
partOf Hawaiian Islands
Hawaiian–Emperor seamount chain
region Honolulu County
separatedFrom Waianae Volcano
status extinct

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Koʻolau Range partOf Koʻolau Volcano
Honolulu Volcanic Series youngerThan Koʻolau shield volcano
linked to: Koʻolau Volcano
Honolulu Volcanic Series youngerThan Waiʻanae shield volcano
linked to: Koʻolau Volcano
Puʻu Konahuanui partOf Koʻolau volcanic system
linked to: Koʻolau Volcano
Mokapu Peninsula partOf Koolau volcanic system
linked to: Koʻolau Volcano