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    Observatory Ridge (Volcano Observatory) East New Britain Province PNG
RNZAF Sept 1945

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Justin Taylan 2000

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Donald Fetterly 2002
Observatory ridge is located to the west of Rabaul and Simpson Harbor near Tunnel Hill Road. Also known as "Observatory Hill" or "Volcano Observatory'". Prior to the war, a volcano observatory was established on the ridge with volcanologist Dr. Fisher.

Wartime History
On December 8, 1941 after news of the Japanese attack on Pearl Harbor the Australian Army positioned two anti-aircraft batteries atop this ridge and quartered troops at the observatory.

On January 4, 1942 Australian anti-aircraft guns on Observatory Ridge went into action against the first Japanese air raid against Rabaul. After the Japanese occupied the area they installed their own anti-aircraft guns atop the ridge. Later, Japanese forces and laborers dug tunnels along Observatory Road off Tunnel Hill Road.

During the 1980s, the Rabaul volcano observatory was reestablished at this location and continues to operate to this day with seismic monitoring equipments.

Volcano Town

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Last Updated
December 28, 2018


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