|Host||Pacific Tsunami Warning Center|
|Telemetry Status at the NEIC||Pending|
Vault is located at the end of a tunnel used during World War II to store ammuniation. 80 meter tunnel is cut into the side of a canyon on basalt of the Koolau Volcanic Series. The piers are made of concrete, isolated from the concrete floor, and extending approximately 3 feet below floor level and 1.5 feet above. They rest on weathered basalt. Temperature is stable. Dehumidifiers are used to control the humidity. Temperature +20 to +25 degrees Celsius.
The Kipapa tunnel is cut in the side of a canyon of basalt of the Koolau Series (Tertiary). Pier rests on weathered basalt.