M5.7 earthquake 222 km WNW of Pangai, Tonga
A magnitude 5.7 earthquake struck 222 km WNW of Pangai, Tonga on Sun, Sep 28, 2014, 7:23 PM GMT+13 (06:23 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
- 5.7 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2014-09-28 06:23:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.132° S, 176.343° W
- Region
- Tonga
- Strongest shaking
- III, weak 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 |
|---|---|---|---|
| 5.7 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.68 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- 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
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
- 5.7 Mwc
- Nodal plane 1
- Strike 301°, dip 86°, rake 169°
- Nodal plane 2
- Strike 32°, dip 79°, rake 4°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.1 km horizontally, 1.8 km in depth
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 80°
- Stations used
- 196
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.0180 km W of Pangai, Tonga · 4382 days ago · 10 km deep · 69 km away
- 4.8164 km W of Neiafu, Tonga · 4376 days ago · 160 km deep · 95 km away
- 4.2141 km WNW of Pangai, Tonga · 4372 days ago · 137 km deep · 84 km away
- 5.0164 km WNW of Pangai, Tonga · 4370 days ago · 197 km deep · 59 km away
- 4.2174 km WNW of Pangai, Tonga · 4364 days ago · 214 km deep · 52 km away
- 4.4Fiji region · 4343 days ago · 596 km deep · 96 km away
- 4.5129 km WNW of Pangai, Tonga · 4337 days ago · 132 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000sgu3 (also filed as iscgem605416959). Read Sun, Oct 4, 2026, 9:57 PM UTC.