M6.0 earthquake 198 km W of Pangai, Tonga
A magnitude 6.0 earthquake struck 198 km W of Pangai, Tonga on Mon, Jun 26, 2017, 6:42 AM GMT+13 (17:42 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (Mww, W-phase moment), strong
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-06-25 17:42:24 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.552° S, 176.226° W
- Region
- Tonga
- Felt reports
- 4
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 6.0 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.058 · 29 stations |
| 6.03 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 6.0 | Mwb, body-wave moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic
Did you feel it?
4 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
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
- Strike-slip
- Moment magnitude
- 6.0 Mww
- Nodal plane 1
- Strike 32°, dip 77°, rake 8°
- Nodal plane 2
- Strike 300°, dip 82°, rake 166°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.3 km horizontally, 1.3 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 82°
- Stations used
- 127
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.0 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.7148 km W of Pangai, Tonga · 3349 days ago · 206 km deep · 59 km away
- 4.2147 km W of Pangai, Tonga · 3346 days ago · 279 km deep · 59 km away
- 4.3216 km NW of Nuku‘alofa, Tonga · 3345 days ago · 303 km deep · 41 km away
- 4.4114 km NW of Nuku‘alofa, Tonga · 3331 days ago · 227 km deep · 95 km away
- 4.1261 km WNW of Pangai, Tonga · 3330 days ago · 317 km deep · 88 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009pmr (also filed as iscgem611189152). Read Thu, Oct 1, 2026, 5:25 AM UTC.