Earthquake & tsunami bulletins in 2023

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

issued in 2023
490
still in force
0
vs 2022
+17%
first · last
01-01 · 12-30

By month

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

By NAVAREA series

  • USGS earthquakes464
  • HYDROPAC22
  • NAVAREA XII4

Where · top seas

South Pacific Ocean13334%
Philippine Sea5915%
North Pacific Ocean5614%
Indian Ocean328%
Coral Sea277%
South Atlantic Ocean215%
Bismarck Sea205%
Banda Sea185%
Solomon Sea154%
Molukka Sea123%

All earthquake & tsunami bulletins issued in 2023 · 490

  1. USGS-US7000KUBT2023-09-08 → 2023-09-11
    5 km nnw of emiliano zapata, mexico
  2. USGS-US7000KUB52023-09-08 → 2023-09-11
    12 km w of emiliano zapata, mexico
  3. USGS-US7000KU472023-09-08 → 2023-09-11
    Earthquake magnitude 6.6 (mww) in 32.800S 179.374W, depth 79 km at 080909Z sep 23
    South of the Kermadec Islands
  4. USGS-US7000KTTI2023-09-06 → 2023-09-09
    38 km ssw of coquimbo, chile
  5. USGS-US7000KTAI2023-09-05 → 2023-09-08
    Earthquake magnitude 5.7 (mww) in 23.954S 175.506E, depth 11 km at 050055Z sep 23
    South of the Fiji Islands
  6. USGS-US7000KT2I2023-09-03 → 2023-09-06
    Earthquake magnitude 5.5 (mww) in 6.818N 147.914E, depth 10 km at 032129Z sep 23
    State of Yap, Federated States of Micronesia
  7. USGS-US7000KSRL2023-09-01 → 2023-09-04
    13 km e of severo-kuril’sk, russia
  8. USGS-US7000KRSJ2023-08-29 → 2023-09-01
    56 km nne of narganá, panama
  9. USGS-US7000KRR12023-08-29 → 2023-09-01
    270 km sse of amahai, indonesia
  10. USGS-US7000KRK42023-08-28 → 2023-08-31
    156 km n of pototano, indonesia
  11. USGS-US7000KRN72023-08-28 → 2023-08-31
    180 km nne of gili air, indonesia
  12. USGS-US7000KRJX2023-08-28 → 2023-08-31
    180 km nne of gili air, indonesia
  13. USGS-US7000KR1S2023-08-25 → 2023-08-28
    Earthquake magnitude 5.5 (mww) in 39.563S 016.037W, depth 10 km at 252047Z aug 23
    Southern Mid-atlantic Ridge
  14. USGS-US7000KQTQ2023-08-24 → 2023-08-27
    116 km e of yamada, japan
  15. USGS-US7000KPP42023-08-20 → 2023-08-23
    Earthquake magnitude 5.7 (mww) in 56.001S 027.616W, depth 79 km at 201959Z aug 23
    South Sandwich Islands Region
  16. USGS-US7000KP6M2023-08-18 → 2023-08-21
    Earthquake magnitude 5.7 (mww) in 0.452S 019.727W, depth 10 km at 180757Z aug 23
    Central Mid-atlantic Ridge
  17. USGS-US7000KP2G2023-08-17 → 2023-08-20
    Earthquake magnitude 6.0 (mww) in 0.329S 019.580W, depth 10 km at 171641Z aug 23
    Central Mid-atlantic Ridge
  18. USGS-US7000KNSR2023-08-16 → 2023-08-19
    Earthquake magnitude 5.5 (mww) in 24.592S 176.008W, depth 29 km at 161600Z aug 23
    South of the Fiji Islands
  19. USGS-US7000KNQ02023-08-16 → 2023-08-19
    35 km w of sola, vanuatu
  20. USGS-US6000L0052023-08-15 → 2023-08-18
    Earthquake magnitude 5.5 (mww) in 8.379S 121.446E, depth 173 km at 150354Z aug 23
    Flores Region, Indonesia
  21. USGS-US6000KZV32023-08-14 → 2023-08-17
    Earthquake magnitude 6.1 (mww) in 13.347N 147.530E, depth 8 km at 141351Z aug 23
    Mariana Islands Region
  22. USGS-US6000KZTR2023-08-14 → 2023-08-17
    Earthquake magnitude 6.0 (mww) in 43.504S 039.108E, depth 10 km at 141039Z aug 23
    Prince Edward Islands Region
  23. USGS-US6000KZMY2023-08-13 → 2023-08-16
    89 km wsw of kandrian, papua new guinea
  24. USGS-US6000KZ5S2023-08-11 → 2023-08-14
    Earthquake magnitude 5.9 (mww) in 41.122N 142.830E, depth 34 km at 110014Z aug 23
    Hokkaido, Japan Region
  25. USGS-US6000KYTY2023-08-09 → 2023-08-12
    7 km nne of tonalá, mexico
  26. USGS-US6000KYTU2023-08-09 → 2023-08-12
    Earthquake magnitude 5.7 (mww) in 13.399N 144.140E, depth 439 km at 090920Z aug 23
    Guam Region
  27. USGS-US6000KYPH2023-08-08 → 2023-08-11
    105 km ne of hihifo, tonga
  28. USGS-US6000KYJ52023-08-07 → 2023-08-10
    Earthquake magnitude 5.6 (mww) in 55.749S 027.044W, depth 13 km at 072349Z aug 23
    South Sandwich Islands Region
  29. USGS-US6000KYB42023-08-06 → 2023-08-09
    38 km e of nishinoomote, japan
  30. USGS-US6000KYA42023-08-06 → 2023-08-09
    Earthquake magnitude 5.7 (mww) in 55.706S 027.106W, depth 12 km at 061417Z aug 23
    South Sandwich Islands Region
  31. USGS-US6000KY7N2023-08-06 → 2023-08-09
    Earthquake magnitude 5.5 (mww) in 54.307S 136.606W, depth 10 km at 060404Z aug 23
    Pacific-antarctic Ridge
  32. USGS-US6000KXS12023-08-04 → 2023-08-07
    92 km se of modisi, indonesia
  33. USGS-US6000KXP72023-08-04 → 2023-08-07
    109 km nne of bangkalan, indonesia
  34. USGS-US6000KXME2023-08-03 → 2023-08-06
    85 km ssw of sand point, alaska
  35. USGS-US6000KXFL2023-08-03 → 2023-08-06
    266 km s of burica, panama
  36. USGS-US6000KX7W2023-08-02 → 2023-08-05
    Earthquake magnitude 5.8 (mww) in 21.604S 179.285W, depth 619 km at 020132Z aug 23
    Fiji Region
  37. USGS-US6000KX3E2023-08-01 → 2023-08-04
    Earthquake magnitude 5.6 (mww) in 15.221N 039.526E, depth 7 km at 011715Z aug 23
    Eritrea
  38. USGS-US6000KX372023-08-01 → 2023-08-04
    Earthquake magnitude 5.7 (mww) in 54.660N 168.215E, depth 12 km at 011649Z aug 23
    Komandorskiye Ostrova, Russia Region
  39. USGS-US6000KWL62023-07-30 → 2023-08-02
    Earthquake magnitude 5.7 (mww) in 12.806N 090.905W, depth 9 km at 300110Z jul 23
    Off the Coast of Central America
  40. USGS-US6000KWB42023-07-28 → 2023-07-31
    Earthquake magnitude 5.5 (mb) in 58.765S 025.190W, depth 37 km at 281935Z jul 23
    South Sandwich Islands Region
  41. USGS-US6000KWAM2023-07-28 → 2023-07-31
    152 km se of port blair, india
  42. USGS-US6000KW3Z2023-07-28 → 2023-07-31
    Earthquake magnitude 5.9 (mww) in 30.497S 059.782E, depth 10 km at 280758Z jul 23
    Southwest Indian Ridge
  43. USGS-US6000KW2W2023-07-28 → 2023-07-31
    Earthquake magnitude 5.5 (mww) in 30.439S 059.846E, depth 10 km at 280703Z jul 23
    Southwest Indian Ridge
  44. USGS-US6000KVTK2023-07-27 → 2023-07-30
    107 km ese of hihifo, tonga
  45. USGS-US6000KVMQ2023-07-26 → 2023-07-29
    96 km ene of port-olry, vanuatu
  46. USGS-US7000KI6K2023-07-25 → 2023-07-28
    209 km n of saipan, northern mariana islands
  47. USGS-US7000KI3Q2023-07-25 → 2023-07-28
    53 km wnw of pante makasar, timor leste
  48. USGS-US7000KHW82023-07-24 → 2023-07-27
    665 km s of suva, fiji
  49. USGS-US7000KHGR2023-07-21 → 2023-07-24
    151 km s of ‘ohonua, tonga
  50. USGS-US7000KGPB2023-07-19 → 2023-07-22
    43 km s of intipucá, el salvador

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 2023 — page 5 · seahazards