Tonga earthquakes

M4.5 earthquake Tonga

A magnitude 4.5 earthquake struck in Tonga on Sat, May 21, 2022, 10:20 PM GMT+13 (09:20 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.8 118 km NE of Hihifo, Tonga. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-05-21 09:20:28 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.342° S, 173.313° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 7.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
134°
Stations used
18

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.362 km NE of Hihifo, Tonga · 1590 days ago · 35 km deep · 28 km away
  2. 4.76 km W of Hihifo, Tonga · 1590 days ago · 105 km deep · 89 km away
  3. 4.991 km NE of Hihifo, Tonga · 1586 days ago · 10 km deep · 16 km away
  4. 4.5138 km SW of Gataivai, Samoa · 1579 days ago · 10 km deep · 73 km away
  5. 4.788 km NNE of Hihifo, Tonga · 1576 days ago · 10 km deep · 20 km away
  6. 4.8120 km NE of Hihifo, Tonga · 1568 days ago · 10 km deep · 39 km away
  7. 4.8111 km NE of Hihifo, Tonga · 1564 days ago · 29 km deep · 38 km away
  8. 4.5122 km NE of Hihifo, Tonga · 1563 days ago · 10 km deep · 38 km away
  9. 4.4103 km ENE of Hihifo, Tonga · 1557 days ago · 10 km deep · 52 km away
  10. 4.569 km NNE of Hihifo, Tonga · 1556 days ago · 35 km deep · 16 km away
  11. 4.397 km NE of Hihifo, Tonga · 1554 days ago · 10 km deep · 12 km away
  12. 5.6136 km NE of Hihifo, Tonga · 1543 days ago · 10 km deep · 51 km away
  13. 4.4136 km ENE of Hihifo, Tonga · 1543 days ago · 10 km deep · 68 km away
  14. 5.8118 km NE of Hihifo, Tonga · 1543 days ago · 10 km deep · 39 km away
  15. 4.7146 km NE of Hihifo, Tonga · 1543 days ago · 10 km deep · 65 km away
  16. 5.7141 km SSW of Gataivai, Samoa · 1543 days ago · 10 km deep · 59 km away · felt by 1
  17. 4.8141 km SSW of Gataivai, Samoa · 1543 days ago · 10 km deep · 77 km away
  18. 4.3109 km N of Hihifo, Tonga · 1542 days ago · 18 km deep · 53 km away
  19. 5.0112 km NE of Hihifo, Tonga · 1542 days ago · 10 km deep · 40 km away
  20. 4.198 km NNE of Hihifo, Tonga · 1540 days ago · 10 km deep · 35 km away

Before

  1. 4.4129 km SSW of Gataivai, Samoa · 1598 days ago · 10 km deep · 81 km away
  2. 4.261 km N of Hihifo, Tonga · 1605 days ago · 84 km deep · 64 km away
  3. 4.446 km ESE of Hihifo, Tonga · 1607 days ago · 35 km deep · 85 km away
  4. 4.4121 km N of Hihifo, Tonga · 1612 days ago · 33 km deep · 60 km away
  5. 4.6140 km NE of Hihifo, Tonga · 1616 days ago · 10 km deep · 56 km away
  6. 4.286 km NE of Hihifo, Tonga · 1618 days ago · 10 km deep · 5 km away
  7. 4.6105 km ENE of Hihifo, Tonga · 1620 days ago · 20 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hcre. Read Fri, Oct 2, 2026, 3:17 AM UTC.