Mauna Kea, United States

Shield volcano · 4,205 m (13,796 ft) · Hawaiian Is

Mauna Kea is a shield volcano in the United States, 4,205 m (13,796 ft) high. Its last known eruption: bC (Holocene). NOAA records no significant eruption here.

Mauna Kea on the map

Mauna Kea 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

Now

From the USGS Volcano Hazards Program, read 07:27 UTC. USGS threat ranking: Moderate Threat.

Normal / Green Hawaiian Volcano Observatory rates Mauna Kea at alert level Normal, aviation color code Green, since 2026-09-03 18:41 UTC.

HVO Mauna Kea GREEN/NORMAL - No activity of concern for Mauna Kea.

The latest notice The observatory’s page

The volcano

Type: Shield volcano
Elevation: 4,205 m (13,796 ft)
Country: United States
Region: Hawaiian Is
Summit: 19.820° N, 155.470° W
Last known eruption: BC (Holocene)
Holocene activity known from: Radiocarbon
Smithsonian volcano number: 332030

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 Mauna Kea 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. Alert levels, color codes and notices from the USGS Volcano Hazards Program and its observatories, public domain. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.