Tonga earthquakes

M4.5 earthquake 67 km S of Hihifo, Tonga

A magnitude 4.5 earthquake struck 67 km S of Hihifo, Tonga on Wed, May 24, 2017, 12:37 AM GMT+13 (11:37 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M4.9 109 km SSE 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
2017-05-23 11:37:04 UTC
Depth
73.2 km (45.5 mi), intermediate-depth
Epicenter
16.555° S, 173.885° 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 7.0 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
126°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.5114 km SSE of Hihifo, Tonga · 3401 days ago · 23 km deep · 72 km away
  2. 4.9109 km SSE of Hihifo, Tonga · 3389 days ago · 138 km deep · 51 km away
  3. 4.7131 km S of Hihifo, Tonga · 3369 days ago · 90 km deep · 65 km away
  4. 4.861 km SSE of Hihifo, Tonga · 3360 days ago · 64 km deep · 39 km away

Before

  1. 5.3132 km SSE of Hihifo, Tonga · 3420 days ago · 10 km deep · 74 km away
  2. 4.4108 km SSW of Hihifo, Tonga · 3422 days ago · 95 km deep · 46 km away
  3. 4.993 km SSE of Hihifo, Tonga · 3428 days ago · 22 km deep · 40 km away
  4. 4.3111 km SSW of Hihifo, Tonga · 3428 days ago · 148 km deep · 53 km away
  5. 4.4157 km SSW of Hihifo, Tonga · 3441 days ago · 157 km deep · 99 km away
  6. 4.5110 km SE of Hihifo, Tonga · 3443 days ago · 10 km deep · 91 km away
  7. 5.565 km SSE of Hihifo, Tonga · 3445 days ago · 59 km deep · 26 km away · felt by 1
  8. 4.425 km SSE of Hihifo, Tonga · 3446 days ago · 86 km deep · 50 km away
  9. 4.925 km SSE of Hihifo, Tonga · 3448 days ago · 66 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008wj8. Read Fri, Oct 2, 2026, 2:03 PM UTC.