Tonga earthquakes

M5.1 earthquake 21 km NNE of Neiafu, Tonga

A magnitude 5.1 earthquake struck 21 km NNE of Neiafu, Tonga on Sun, Jul 7, 2019, 5:03 PM GMT+13 (04:03 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 50 km NW 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, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-07 04:03:10 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
18.459° S, 173.936° W
Region
Tonga
Felt reports
3
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 10.1 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
29°
Stations used
125

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 9 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.464 km WSW of Neiafu, Tonga · 2641 days ago · 55 km deep · 80 km away
  2. 4.590 km ESE of Neiafu, Tonga · 2639 days ago · 10 km deep · 94 km away
  3. 4.5103 km NW of Neiafu, Tonga · 2618 days ago · 77 km deep · 94 km away
  4. 5.750 km NW of Neiafu, Tonga · 2614 days ago · 10 km deep · 47 km away
  5. 4.288 km WNW of Neiafu, Tonga · 2614 days ago · 104 km deep · 89 km away
  6. 4.662 km NNW of Neiafu, Tonga · 2613 days ago · 10 km deep · 46 km away
  7. 4.735 km NW of Neiafu, Tonga · 2613 days ago · 51 km deep · 30 km away
  8. 4.294 km W of Neiafu, Tonga · 2600 days ago · 151 km deep · 100 km away
  9. 4.742 km NNW of Neiafu, Tonga · 2599 days ago · 10 km deep · 28 km away

Before

  1. 4.997 km E of Neiafu, Tonga · 2651 days ago · 10 km deep · 95 km away
  2. 5.5112 km NNE of Neiafu, Tonga · 2661 days ago · 48 km deep · 91 km away
  3. 4.518 km NNW of Neiafu, Tonga · 2662 days ago · 35 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004djh. Read Thu, Oct 1, 2026, 7:57 PM UTC.