Umboi

April 17, 1857 Eruption of Umboi

April 17, 1857 · Deaths: some

Umboi in Papua New Guinea erupted on April 17, 1857. It caused a tsunami.

Where it erupted

Umboi, Papua New Guinea, with its other significant eruptions.

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The eruption

Date
April 17, 1857
Volcano
Umboi, complex volcano
Location
5.592° S, 147.892° E

The toll

Deaths
Some (about 51 to 100) with the tsunamis, mudflows and other effects it caused
Damage
Moderate (about $1 to $5 million) with the tsunamis, mudflows and other effects it caused
Houses destroyed
Some (about 51 to 100) with the tsunamis, mudflows and other effects it caused

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

No eruption

Reference #414:

On April 17, 1857 (1856) immediately after sunset there was a powerful tremor on Umboi Island (Rooke), in the passage between New Guinea and New Britain. A few seconds later, a second, stronger shock knocked down a stove. This was followed by more shocks, but of lesser force. In the morning it was found that large landslides had occurred; cracks 1 m wide had formed in the ground and extended from Nurua village to the sea shore. West of Tolociwa Island (Lotten), a volcano supposedly rose from the water and smoked for a long time. After the tremor, the sea "began to move".

More

Every eruption in 1857The 1800sUmboiEarthquakes near UmboiThis day in weather history

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 4906.