M5.5 earthquake 112 km NNE of Neiafu, Tonga
A magnitude 5.5 earthquake struck 112 km NNE of Neiafu, Tonga on Wed, Jun 19, 2019, 7:32 PM GMT-12 (07:32 UTC), 48 km (30 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mww), moderate
- Local time
- UTC
- 2019-06-20 07:32:57 UTC
- Depth
- 47.7 km (29.6 mi), shallow
- Epicenter
- 17.665° S, 173.716° W
- Region
- Tonga
- Strongest shaking
- I, not felt shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 5.5 Mww
- Nodal plane 1
- Strike 33°, dip 21°, rake -46°
- Nodal plane 2
- Strike 168°, dip 75°, rake -104°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.1 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 184
Nearby
Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.5148 km S of Hihifo, Tonga · 2654 days ago · 41 km deep · 48 km away
- 5.121 km NNE of Neiafu, Tonga · 2642 days ago · 10 km deep · 91 km away · felt by 3
- 4.6135 km N of Neiafu, Tonga · 2630 days ago · 10 km deep · 58 km away
- 4.662 km NNW of Neiafu, Tonga · 2612 days ago · 10 km deep · 68 km away
- 4.735 km NW of Neiafu, Tonga · 2612 days ago · 51 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us600043jp (also filed as pt19171000, iscgem616173407). Read Wed, Sep 30, 2026, 4:51 AM UTC.