Tonga earthquakes

M4.3 earthquake 194 km E of Neiafu, Tonga

A magnitude 4.3 earthquake struck 194 km E of Neiafu, Tonga on Sat, Oct 19, 2019, 2:29 PM GMT-11 (01:29 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 176 km NE of Neiafu, Tonga. This one was a foreshock.

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

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The earthquake

Magnitude
4.3 (mb), light
Local time
UTC
2019-10-20 01:29:32 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
18.356° S, 172.165° 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 9.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
106°
Stations used
9

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 5.0200 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 6 km away
  2. 5.0191 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 36 km away
  3. 4.8193 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 8 km away
  4. 5.1200 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 12 km away
  5. 4.7133 km ESE of Neiafu, Tonga · 2537 days ago · 10 km deep · 97 km away
  6. 4.5192 km ESE of Neiafu, Tonga · 2536 days ago · 10 km deep · 74 km away
  7. 4.5202 km NE of Neiafu, Tonga · 2535 days ago · 10 km deep · 98 km away
  8. 5.5176 km NE of Neiafu, Tonga · 2534 days ago · 10 km deep · 99 km away
  9. 5.2201 km ENE of Neiafu, Tonga · 2526 days ago · 10 km deep · 80 km away
  10. 4.6188 km E of Neiafu, Tonga · 2516 days ago · 10 km deep · 36 km away
  11. 5.1188 km ENE of Neiafu, Tonga · 2500 days ago · 10 km deep · 66 km away
  12. 4.6196 km E of Neiafu, Tonga · 2481 days ago · 10 km deep · 6 km away

Before

  1. 4.4200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 10 km away
  2. 5.1183 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 16 km away
  3. 4.5211 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 22 km away
  4. 4.3200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 25 km away
  5. 4.6198 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 7 km away
  6. 5.3203 km E of Neiafu, Tonga · 2538 days ago · 10 km deep · 68 km away
  7. 4.7219 km E of Neiafu, Tonga · 2539 days ago · 10 km deep · 52 km away
  8. 4.6182 km E of Neiafu, Tonga · 2539 days ago · 10 km deep · 23 km away
  9. 5.4204 km ENE of Neiafu, Tonga · 2539 days ago · 10 km deep · 13 km away
  10. 5.1Tonga region · 2540 days ago · 10 km deep · 79 km away
  11. 5.2143 km E of Neiafu, Tonga · 2546 days ago · 10 km deep · 60 km away
  12. 4.6146 km E of Neiafu, Tonga · 2560 days ago · 10 km deep · 66 km away
  13. 4.4228 km ENE of Neiafu, Tonga · 2566 days ago · 10 km deep · 61 km away
  14. 4.6182 km ESE of Neiafu, Tonga · 2567 days ago · 10 km deep · 72 km away
  15. 4.3200 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 7 km away
  16. 4.6217 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 33 km away
  17. 4.7203 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 42 km away
  18. 4.5132 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 65 km away
  19. 4.6206 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 21 km away
  20. 4.2175 km E of Neiafu, Tonga · 2568 days ago · 10 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600064bw. Read Wed, Sep 30, 2026, 11:16 PM UTC.