M4.5 earthquake 289 km WSW of Haveluloto, Tonga
A magnitude 4.5 earthquake struck 289 km WSW of Haveluloto, Tonga on Mon, Jul 20, 2015, 3:51 AM GMT+13 (14:51 UTC), 316 km (196 mi) below the surface.
A larger quake followed: M5.2 south of the Fiji Islands. 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
- 2015-07-19 14:51:41 UTC
- Depth
- 316.1 km (196.4 mi), deep
- Epicenter
- 22.453° S, 177.644° 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 10.1 km horizontally, 8.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 114°
- Stations used
- 29
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 1 in the 30 days before it.
After
- 4.5241 km WSW of Haveluloto, Tonga · 4080 days ago · 10 km deep · 49 km away
- 4.4292 km SW of Vaini, Tonga · 4068 days ago · 222 km deep · 63 km away
- 5.2south of the Fiji Islands · 4062 days ago · 380 km deep · 57 km away
- 4.5294 km WSW of Haveluloto, Tonga · 4061 days ago · 371 km deep · 79 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003084. Read Sun, Oct 4, 2026, 1:47 PM UTC.