Hankow Reef, Papua New Guinea

Unknown · -5 m (-16 ft) · New Guinea-NE of

Hankow Reef is a unknown in Papua New Guinea, -5 m (-16 ft) high. NOAA records no significant eruption here.

Hankow Reef on the map

Hankow Reef and the volcanoes within 300 km, colored by when each last erupted.

Since 1964
1900 to 1963
1800s
AD 1 to 1799
Before AD 1, or undated

Open the live map with volcanic ash advisories

The volcano

Type: Unknown
Elevation: -5 m (-16 ft)
Country: Papua New Guinea
Region: New Guinea-NE of
Summit: 4.883° S, 146.717° E
Last known eruption: Unknown
Holocene activity known from: Uncertain
Smithsonian volcano number: 251041

Significant eruptions

NOAA records eruptions that killed, did damage, were very large, or set off a tsunami or earthquake.

None on record.

Around it

The volcanoes within 300 km.

Earthquakes near Hankow Reef Volcanic ash advisories on the live map

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.