Qualla: Manam Motu

Manam Motu: Introduction

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jesse Allen, Public domain. The locals call them avalanche valleys. From above, they are four shallow scars descending from the summit of Manam, an almost symmetrical cone rising out of the Bismarck Sea between Yawar and the Boisa Islands. When the volcano erupts, pyroclastic flows funnel down these valleys at the speed of an avalanche, which is how they got the name, and which is why the entire population of over 9,000 people was evacuated in 2004. Manam is still erupting. Many have returned anyway. On March 8, 2022, the mountain sent a column of ash 15 kilometers into the atmosphere, confirmed by the Volcanic Ash Advisory Center in Darwin.

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Image: Jesse Allen | Public domain

Manam Motu: The Shape of the Hazard

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jesse Allen, Public domain. Manam is a basaltic-andesitic stratovolcano, the classic cone shape of the most familiar volcanoes on Earth. The lower flanks are remarkably symmetrical, which is part of what makes the island look so striking from the air or from a ship passing in the Bismarck Sea. But four dist...

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Image: Jesse Allen | Public domain

Manam Motu: The 2004 Evacuation

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit United States Navy, Photographer's Mate 3rd Class Lamel J. Hinton, Public domain. The 2004 eruption began on 24 October and was at first treated as a manageable inconvenience. Then the wind shifted. Ash and volcanic debris began falling on inhabited areas on the leeward side of the island, and the Papua New Guinea government authorized an emergency evacuation....

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Image: United States Navy, Photographer's Mate 3rd Class Lamel J. Hinton | Public domain

Manam Motu: Returning to a Volcano

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jesse Allen, Public domain. Despite the danger and despite government advice, people began going home. By 2014, somewhere between 2,000 and 3,000 Manam Islanders had returned to the island, rebuilding houses in villages they had been told not to inhabit. The reasons are familiar anywhere people return to da...

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Image: Jesse Allen | Public domain

Manam Motu: Manam Pile

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jesse Allen, Public domain. The islanders speak their own language, called Manam Pile, which translates literally as "Manam talk." It is also spoken on the nearby Boisa Islands. Manam Pile belongs to the Oceanic branch of the Austronesian family, a language group that spread across the Pacific on outrigger ...

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Image: Jesse Allen | Public domain