Tonga earthquakes

M4.5 earthquake 246 km ENE of Neiafu, Tonga

A magnitude 4.5 earthquake struck 246 km ENE of Neiafu, Tonga on Sat, Oct 19, 2019, 8:14 PM GMT-11 (07:14 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
4.5 (mb), light
Local time
UTC
2019-10-20 07:14:50 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
17.444° S, 172.028° 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 7.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
106°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.5202 km NE of Neiafu, Tonga · 2535 days ago · 10 km deep · 48 km away
  2. 5.5176 km NE of Neiafu, Tonga · 2533 days ago · 10 km deep · 75 km away
  3. 4.5187 km SE of Hihifo, Tonga · 2532 days ago · 10 km deep · 74 km away
  4. 5.2201 km ENE of Neiafu, Tonga · 2526 days ago · 10 km deep · 45 km away
  5. 5.1188 km ENE of Neiafu, Tonga · 2500 days ago · 10 km deep · 59 km away

Before

  1. 4.4200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 93 km away
  2. 4.5211 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 84 km away
  3. 4.3200 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 78 km away
  4. 4.6198 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 96 km away
  5. 5.4204 km ENE of Neiafu, Tonga · 2538 days ago · 10 km deep · 91 km away
  6. 5.2181 km NE of Neiafu, Tonga · 2563 days ago · 10 km deep · 79 km away
  7. 4.4228 km ENE of Neiafu, Tonga · 2566 days ago · 10 km deep · 43 km away
  8. 4.3200 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 96 km away
  9. 4.6217 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 72 km away
  10. 4.7203 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 62 km away
  11. 4.6206 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 82 km away
  12. 4.3233 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 45 km away
  13. 4.5194 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 59 km away
  14. 4.5273 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 37 km away
  15. 5.0202 km ENE of Neiafu, Tonga · 2567 days ago · 10 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600064c6. Read Wed, Sep 30, 2026, 4:17 PM UTC.