M5.8 earthquake 59 km E of ‘Ohonua, Tonga
A magnitude 5.8 earthquake struck 59 km E of ‘Ohonua, Tonga on Tue, Apr 25, 1978, 4:44 AM GMT+13 (15:44 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (ms), moderate
- Local time
- UTC
- 1978-04-24 15:44:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 21.267° S, 174.383° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 135
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.8 and up: 4 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.975 km E of ‘Ohonua, Tonga · 17688 days ago · 33 km deep · 17 km away
- 5.488 km SE of ‘Ohonua, Tonga · 17673 days ago · 33 km deep · 82 km away
- 5.070 km ESE of ‘Ohonua, Tonga · 17655 days ago · 33 km deep · 27 km away
- 4.964 km ESE of ‘Ohonua, Tonga · 17655 days ago · 33 km deep · 36 km away
Before
- 5.280 km ENE of ‘Ohonua, Tonga · 17699 days ago · 33 km deep · 31 km away
- 5.2120 km SE of ‘Ohonua, Tonga · 17712 days ago · 33 km deep · 90 km away
- 5.7108 km ESE of ‘Ohonua, Tonga · 17714 days ago · 33 km deep · 67 km away
- 5.067 km ESE of ‘Ohonua, Tonga · 17715 days ago · 33 km deep · 34 km away
- 5.2113 km SE of ‘Ohonua, Tonga · 17717 days ago · 33 km deep · 97 km away
- 5.197 km SSE of ‘Ohonua, Tonga · 17718 days ago · 45 km deep · 92 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000u8f (also filed as gcmtb042478b, gcmt19780424154418, iscgem684172). Read Mon, Sep 28, 2026, 2:52 AM UTC.