M4.4 earthquake 100 km ENE of ‘Ohonua, Tonga
A magnitude 4.4 earthquake struck 100 km ENE of ‘Ohonua, Tonga on Tue, Jul 7, 2015, 10:38 PM GMT+13 (09:38 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 40 km SE of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-07-07 09:38:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.118° S, 174.013° 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 8.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 87°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 10 in the 30 days before it.
After
- 4.073 km NE of Kolonga, Tonga · 4089 days ago · 430 km deep · 73 km away
- 4.740 km SE of ‘Ohonua, Tonga · 4079 days ago · 11 km deep · 86 km away
- 4.6158 km SE of Pangai, Tonga · 4064 days ago · 8 km deep · 94 km away
Before
- 5.1102 km ENE of ‘Ohonua, Tonga · 4109 days ago · 10 km deep · 4 km away
- 4.880 km ENE of Kolonga, Tonga · 4109 days ago · 35 km deep · 58 km away
- 4.969 km NE of Kolonga, Tonga · 4109 days ago · 35 km deep · 74 km away
- 5.875 km NE of Kolonga, Tonga · 4109 days ago · 44 km deep · 68 km away · felt by 9
- 4.682 km SE of Pangai, Tonga · 4112 days ago · 10 km deep · 77 km away
- 5.285 km E of ‘Ohonua, Tonga · 4115 days ago · 10 km deep · 23 km away
- 5.3125 km E of ‘Ohonua, Tonga · 4120 days ago · 10 km deep · 52 km away
- 4.566 km ESE of ‘Ohonua, Tonga · 4124 days ago · 10 km deep · 62 km away
- 4.8104 km SSE of Pangai, Tonga · 4129 days ago · 10 km deep · 52 km away
- 5.096 km ENE of Kolonga, Tonga · 4133 days ago · 10 km deep · 42 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us200030f7. Read Mon, Oct 5, 2026, 7:38 AM UTC.