Volcanic activity in 2021

Submarine eruptions, discoloured water, pumice rafts.

issued in 2021
16
still in force
3
vs 2020
+220%
first · last
04-11 · 12-29

By month

J
F
M
A
M
J
J
A
S
O
N
D

By NAVAREA series

  • HYDROPAC8
  • HYDROLANT3
  • NAVAREA XI3
  • NAVAREA IV2

Where · top seas

Philippine Sea1173%
North Atlantic Ocean213%
Caribbean Sea213%

All volcanic activity issued in 2021 · 16

  1. HYDROLANT 3189/212021-12-29 → 2021-12-29
    Cancel HYDROLANT 2413/21 and this msg, volcanic activity ended
    Eastern North Atlantic · Canary Islands
  2. HYDROPAC 2917/212021-10-13 → 2022-03-25
    Discolored water in vicinity 27-16.7N 140-56.6E at 120643Z oct
    Philippine Sea · Japan
  3. NAVAREA XI 326/21in force2021-10-13
    Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
    North Pacific, Nanpo Shoto
  4. HYDROPAC 2909/212021-10-12 → 2021-10-13
    Discolored water in vicinity 27-16.7N 140-56.6E at 120643Z oct
    Philippine Sea · Japan
  5. HYDROPAC 2908/212021-10-12 → 2022-03-25
    Discolored water in vicinity 27-13.6N 140-55.3E at 120643Z oct
    Philippine Sea · Japan
  6. NAVAREA XI 325/21in force2021-10-12
    Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
    North Pacific, Nanpo Shoto
  7. HYDROLANT 2413/212021-09-27 → 2021-12-29
    Volcanic activity in vicinity of la palma island
    Eastern North Atlantic · Canary Islands
  8. HYDROLANT 2369/212021-09-21 → 2021-09-27
    Volcanic activity in vicinity of la palma island
    Eastern North Atlantic · Canary Islands
  9. HYDROPAC 2349/212021-08-16 → 2022-03-25
    Volcanic activity reported in 24-17.1N 141-28.9E at 150340Z aug
    Philippine Sea · Japan
  10. HYDROPAC 2340/212021-08-16 → 2021-08-16
    Volcanic activity reported in 27-17.1N 141-28.9E at 150340Z aug
    Philippine Sea · Japan
  11. HYDROPAC 2326/212021-08-13 → 2021-08-16
    Volcanic activity reported in 24-17.1N 141-28.9E
    Philippine Sea · Japan
  12. HYDROPAC 2323/212021-08-13 → 2021-08-13
    Discolored water with submarine volcanic activity reported in 24-17.1N 141-28.9E
    Philippine Sea · Japan
  13. HYDROPAC 2027/212021-07-13 → 2026-08-14
    Discolored water reported near 24-48.8N 141-19.2E in the Philippine Sea, Japan, at 130800Z July.
    Philippine Sea · Japan
  14. NAVAREA XI 231/21in force2021-07-13
    Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
    North Pacific, Nanpo Shoto
  15. NAVAREA IV 301/212021-04-12 → 2022-03-25
    Restricted area due to volcanic activity in area bound by 13-15.00N 061-19.60W, 13-18.00N 061-18.50W,…
    Eastern Caribbean Sea · Saint Vincent
  16. NAVAREA IV 298/212021-04-11 → 2021-04-12
    Volcanic activity reported in vicinity 13-20N 061-11W
    Eastern Caribbean Sea · Saint Vincent

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Volcanic activity in 2021 · seahazards