Earthquake & tsunami bulletins in 2021

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay.

issued in 2021
542
still in force
0
vs 2020
+43%
first · last
01-03 · 12-30

By month

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

By NAVAREA series

  • USGS earthquakes520
  • HYDROPAC15
  • NAVAREA XII4
  • NAVAREA IV3

Where · top seas

South Pacific Ocean20044%
North Pacific Ocean6615%
South Atlantic Ocean6113%
Indian Ocean317%
Philippine Sea256%
Coral Sea184%
Southern Ocean184%
Bismarck Sea123%
Banda Sea112%
Gulf of Alaska102%

All earthquake & tsunami bulletins issued in 2021 · 542

  1. USGS-AK021D1U1NOS2021-10-11 → 2021-10-14
    112 km e of chignik, alaska
  2. USGS-HV727487822021-10-10 → 2021-10-13
    27 km sse of naalehu, hawaii
  3. USGS-US6000FTD22021-10-09 → 2021-10-12
    86 km ese of kokopo, papua new guinea
  4. USGS-US6000FT9G2021-10-09 → 2021-10-12
    Earthquake magnitude 6.9 (mww) in 21.189S 174.522E, depth 535 km at 091058Z oct 21
    Vanuatu Region
  5. USGS-US6000FT862021-10-09 → 2021-10-12
    Earthquake magnitude 5.6 (mww) in 50.042N 149.875E, depth 448 km at 090719Z oct 21
    Sea of Okhotsk
  6. USGS-US6000FSSL2021-10-07 → 2021-10-10
    Earthquake magnitude 5.8 (mww) in 58.761S 158.607E, depth 10 km at 072013Z oct 21
    Macquarie Island Region
  7. USGS-US6000FSL62021-10-07 → 2021-10-10
    5 km sw of chiba, japan
  8. USGS-US6000FRZG2021-10-05 → 2021-10-08
    48 km nne of miyako, japan
  9. USGS-US6000FRHS2021-10-04 → 2021-10-07
    Earthquake magnitude 5.7 (mww) in 29.979S 177.503W, depth 28 km at 040634Z oct 21
    Kermadec Islands, New Zealand
  10. USGS-US6000FRFW2021-10-04 → 2021-10-07
    Earthquake magnitude 6.2 (mww) in 60.416S 027.519W, depth 10 km at 040354Z oct 21
    South Sandwich Islands Region
  11. USGS-US6000FR5T2021-10-02 → 2021-10-05
    Earthquake magnitude 6.0 (mww) in 9.178S 067.261E, depth 10 km at 022043Z oct 21
    Mid-indian Ridge
  12. USGS-US6000FR0B2021-10-02 → 2021-10-05
    Earthquake magnitude 7.3 (mww) in 21.127S 174.896E, depth 527 km at 020629Z oct 21
    Vanuatu Region
  13. USGS-US6000FQZN2021-10-02 → 2021-10-05
    135 km sw of gataivai, samoa
  14. USGS-US6000FQ2D2021-09-29 → 2021-10-02
    243 km nnw of nanao, japan
  15. USGS-US7000FES82021-09-27 → 2021-09-30
    6 km n of thrapsanón, greece
  16. USGS-US7000FEN12021-09-26 → 2021-09-29
    12 km w of talisay, philippines
  17. USGS-US7000FEAI2021-09-25 → 2021-09-28
    Earthquake magnitude 5.8 (mww) in 53.420S 023.558E, depth 7 km at 250521Z sep 21
    South of Africa
  18. USGS-US7000FE1W2021-09-24 → 2021-09-27
    187 km wsw of adak, alaska
  19. USGS-US7000FE0G2021-09-24 → 2021-09-27
    185 km wsw of adak, alaska
  20. USGS-US7000FDTY2021-09-23 → 2021-09-26
    140 km sw of empaque tarriba, mexico
  21. USGS-US7000FDFD2021-09-22 → 2021-09-25
    69 km sw of corinto, nicaragua
  22. USGS-US7000FDDS2021-09-22 → 2021-09-25
    80 km sw of jiquilillo, nicaragua
  23. USGS-US7000FD4K2021-09-21 → 2021-09-24
    73 km w of talcahuano, chile
  24. USGS-US7000FCZF2021-09-20 → 2021-09-23
    Earthquake magnitude 6.1 (mww) in 46.393N 152.488E, depth 35 km at 202025Z sep 21
    Kuril Islands
  25. USGS-US7000FCYE2021-09-20 → 2021-09-23
    80 km ene of ‘ohonua, tonga
  26. USGS-US7000FC1E2021-09-17 → 2021-09-20
    48 km nnw of sola, vanuatu
  27. USGS-AK021BWMMASC2021-09-16 → 2021-09-19
    181 km se of chignik, alaska
  28. USGS-US7000FAW72021-09-13 → 2021-09-16
    223 km se of shing?, japan
  29. USGS-US7000FA9J2021-09-11 → 2021-09-14
    Earthquake magnitude 5.5 (mww) in 59.606S 026.383W, depth 41 km at 110923Z sep 21
    South Sandwich Islands Region
  30. USGS-US7000FA2U2021-09-10 → 2021-09-13
    Earthquake magnitude 5.5 (mww) in 60.549S 026.574W, depth 10 km at 101707Z sep 21
    South Sandwich Islands Region
  31. USGS-US7000F9L52021-09-09 → 2021-09-12
    223 km wnw of pangai, tonga
  32. USGS-US7000F9AY2021-09-08 → 2021-09-11
    Earthquake magnitude 5.5 (mww) in 38.163S 093.880W, depth 10 km at 081637Z sep 21
    West Chile Rise
  33. NAVAREA XII 475/212021-09-08 → 2021-09-08
    Cancel NAVAREA XII 473/21 and this msg, tsunami not generated
    Eastern North Pacific · Mexico
  34. NAVAREA XII 473/212021-09-08 → 2021-09-08
    Earthquake with magnitude of 7.4 has occurred in vicinity 17-06N 099-36W at 080148Z sep
    Eastern North Pacific · Mexico
  35. USGS-US7000F93V2021-09-08 → 2021-09-11
    Earthquake magnitude 7.0 (mww) in 16.947N 099.753W, depth 20 km at 080147Z sep 21
    Acapulco, Mexico
  36. USGS-US7000F8TC2021-09-07 → 2021-09-10
    185 km wnw of pangai, tonga
  37. USGS-US7000F8GZ2021-09-06 → 2021-09-09
    Earthquake magnitude 5.6 (mww) in 58.781S 025.224W, depth 28 km at 060819Z sep 21
    South Sandwich Islands Region
  38. USGS-US7000F8BB2021-09-05 → 2021-09-08
    83 km sse of ‘ohonua, tonga
  39. USGS-US7000F8752021-09-05 → 2021-09-08
    Earthquake magnitude 5.6 (mww) in 58.725S 025.180W, depth 27 km at 050959Z sep 21
    South Sandwich Islands Region
  40. USGS-US7000F86S2021-09-05 → 2021-09-08
    291 km sse of cabo san lucas, mexico
  41. USGS-US7000F85Q2021-09-05 → 2021-09-08
    Earthquake magnitude 5.5 (mww) in 56.767S 025.662W, depth 20 km at 050526Z sep 21
    South Sandwich Islands Region
  42. USGS-US7000F7EN2021-09-03 → 2021-09-06
    286 km e of poronaysk, russia
  43. USGS-US7000F7DP2021-09-03 → 2021-09-06
    Earthquake magnitude 5.6 (mww) in 59.925S 026.753W, depth 7 km at 030749Z sep 21
    South Sandwich Islands Region
  44. USGS-US7000F7A52021-09-03 → 2021-09-06
    Earthquake magnitude 5.5 (mww) in 58.815S 025.727W, depth 35 km at 030006Z sep 21
    South Sandwich Islands Region
  45. USGS-US7000F6UY2021-09-01 → 2021-09-04
    86 km wsw of copiapó, chile
  46. USGS-US7000F6Q82021-09-01 → 2021-09-04
    Earthquake magnitude 5.7 (mww) in 1.242S 024.148W, depth 10 km at 011350Z sep 21
    Central Mid-atlantic Ridge
  47. USGS-US7000F6L92021-09-01 → 2021-09-04
    Earthquake magnitude 5.6 (mww) in 59.079S 025.567W, depth 27 km at 010901Z sep 21
    South Sandwich Islands Region
  48. USGS-US7000F67H2021-08-31 → 2021-09-03
    Earthquake magnitude 5.6 (mww) in 57.018S 025.134W, depth 15 km at 311424Z aug 21
    South Sandwich Islands Region
  49. USGS-US7000F60J2021-08-31 → 2021-09-03
    Earthquake magnitude 6.4 (mww) in 29.921S 177.380W, depth 16 km at 310252Z aug 21
    Kermadec Islands, New Zealand
  50. USGS-US7000F5IZ2021-08-29 → 2021-09-01
    Earthquake magnitude 5.5 (mww) in 58.103S 023.520W, depth 10 km at 292332Z aug 21
    South Sandwich Islands Region

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.

Earthquake & tsunami bulletins in 2021 — page 3 · seahazards