Tonga earthquakes

M5.1 earthquake Tonga region

A magnitude 5.1 earthquake struck in the Tonga region on Fri, Oct 18, 2019, 8:45 PM GMT+13 (07:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 204 km ENE of Neiafu, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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

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The earthquake

Magnitude
5.1 (mb), moderate
Local time
UTC
2019-10-18 07:45:18 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
18.723° S, 172.809° 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 10.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
68°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 19 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 5.4204 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 92 km away
  2. 4.6182 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 62 km away
  3. 4.7219 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 95 km away
  4. 5.3203 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 81 km away
  5. 4.6198 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 85 km away
  6. 4.3200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 94 km away
  7. 4.5211 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 100 km away
  8. 5.1183 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 65 km away
  9. 4.4200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 88 km away
  10. 4.3194 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 79 km away
  11. 5.0200 km E of Neiafu, Tonga · 2537 days ago · 10 km deep · 85 km away
  12. 5.0191 km E of Neiafu, Tonga · 2537 days ago · 10 km deep · 68 km away
  13. 4.8193 km E of Neiafu, Tonga · 2537 days ago · 10 km deep · 75 km away
  14. 5.1200 km E of Neiafu, Tonga · 2537 days ago · 10 km deep · 81 km away
  15. 4.7133 km ESE of Neiafu, Tonga · 2536 days ago · 10 km deep · 32 km away
  16. 4.5192 km ESE of Neiafu, Tonga · 2536 days ago · 10 km deep · 73 km away
  17. 4.6188 km E of Neiafu, Tonga · 2515 days ago · 10 km deep · 65 km away
  18. 5.063 km E of Neiafu, Tonga · 2501 days ago · 10 km deep · 63 km away
  19. 4.6196 km E of Neiafu, Tonga · 2480 days ago · 10 km deep · 79 km away

Before

  1. 5.2143 km E of Neiafu, Tonga · 2546 days ago · 10 km deep · 20 km away
  2. 4.6146 km E of Neiafu, Tonga · 2560 days ago · 10 km deep · 22 km away
  3. 4.6182 km ESE of Neiafu, Tonga · 2567 days ago · 10 km deep · 62 km away
  4. 4.3200 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 86 km away
  5. 4.5132 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 45 km away
  6. 4.6206 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 97 km away
  7. 4.2175 km E of Neiafu, Tonga · 2567 days ago · 10 km deep · 59 km away
  8. 5.1165 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 59 km away
  9. 5.4160 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 56 km away
  10. 5.0202 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 88 km away
  11. 5.3203 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005vc5. Read Wed, Sep 30, 2026, 3:28 PM UTC.