Highest submarine volcanoes

As of 2026-10-12, Didica Volcano tops the list with 228 m.

1. #1 Didica Volcano — 228 m

   active volcanic island in the province of Cagayan in northern Philippines

   source Wikidata
2. #2 Hunga Tonga–Hunga Haʻapai — 149 m

   volcano in Tonga

   source Wikidata
3. #3 Ferdinandea — -8.00 m

   submerged volcanic island south of Sicily

   source Wikidata
4. #4 Kolumbo — -10 m

   submarine volcano near Santorini, Greece

   source Wikidata
5. #5 Fukutoku-Okanoba — -14 m

   mountain in Japan

   source Wikidata
6. #6 Kavachi — -20 m

   mountain

   source Wikidata
7. #7 Unnamed submarine volcano — -24 m

   North of Luzon / Submarine / Eruption Observed

   source Wikidata
8. #8 Curacoa volcano — -33 m

   mountain in Tonga

   source Wikidata
9. #9 East Epi — -34 m

   submarine volcano in Vanuatu

   source Wikidata
10. #10 Unnamed submarine volcano — -40 m

    Tonga Islands / Submarine / Eruption Observed

    source Wikidata