Submarine Volcanoes in the Solomon Islands Forearc Region

A 2026 dataset from the Australian Ocean Data Network describes submarine volcanoes in the forearc region of the New Georgia Group, Solomon Islands. It includes details on specific features like Kavachi, Kana Keoki, and the elusive Cook volcano, reporting on their composition, activity, and bathymetric surveys. The data suggests the region is very poorly surveyed, highlighting a need for further mapping.

Use Cases

• Mapping submarine volcanic distribution based on reported locations near the Woodlark Basin subduction zone.
• Analyzing volcanic composition and activity based on described basalt-andesite-rhyolite types and eruption reports.
• Assessing bathymetric survey gaps based on the description of poorly surveyed areas and missing features.
• Investigating hydrothermal versus volcanic activity based on the description of the Cook volcano event.

Strengths

• Includes specific depth measurements, such as Kavachi rising nearly 1000 m and Kana Keoki rising to within 700 m of sea level.
• Provides temporal context for events, such as activity reported for Cook volcano in 1963-4 and surveys conducted in 1979 and 1981.
• Covers multiple distinct geological features (Kavachi, Kana Keoki, Cook) with compositional and locational details.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• The primary file formats are PDF and HTML, which may require extraction or manual processing for structured analysis.
• Data may reflect geographic and survey bias inherent to the specific, poorly surveyed forearc region.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely compiled from historical reports, bathymetric surveys, and geological studies.

Time Range

References events from 1963-4 and surveys from 1979 and 1981.

Freshness

Last updated 2026-06-04 06:21:51.394523; freshness should be verified.

Geography

Forearc region of the New Georgia Group, Solomon Islands.