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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'".

A volcano observatory was established on the ridge run by 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 guns atop this ridge and quartered troops at the observatory.

On January 4, 1942 the anti-aircraft guns on Observatory Ridge first 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 this ridge. Later, Japanese forces and laborers dug tunnels into the eastern side of Observatory Road connecting to 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
June 15, 2019


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