M4.5 earthquake 77 km W of Pangai, Tonga
A magnitude 4.5 earthquake struck 77 km W of Pangai, Tonga on Tue, Apr 22, 2025, 8:37 PM GMT+13 (07:37 UTC), 92 km (57 mi) below the surface.
A larger quake followed: M5.0 104 km W of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-04-22 07:37:46 UTC
- Depth
- 91.6 km (56.9 mi), intermediate-depth
- Epicenter
- 19.698° S, 175.082° 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 14.4 km horizontally, 8.6 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 96°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.0104 km W of Pangai, Tonga · 528 days ago · 131 km deep · 27 km away
- 4.1137 km W of Pangai, Tonga · 518 days ago · 247 km deep · 63 km away
- 4.4121 km NNW of Nuku‘alofa, Tonga · 516 days ago · 235 km deep · 62 km away
- 4.2160 km WNW of Pangai, Tonga · 489 days ago · 269 km deep · 90 km away
- 4.4141 km WNW of Pangai, Tonga · 488 days ago · 249 km deep · 66 km away
- 4.4157 km W of Pangai, Tonga · 478 days ago · 260 km deep · 81 km away
- 4.655 km NNW of Fangale’ounga, Tonga · 472 days ago · 61 km deep · 74 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000py06. Read Sun, Oct 4, 2026, 4:48 AM UTC.