Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.0 on date 11-01-2023 and time 09:39:56 (Italy) in region Vanuatu Islands [Sea: Vanuatu]

A magnitude Mwp 6.0 earthquake occured in region: Vanuatu Islands [Sea: Vanuatu], on

  • 11-01-2023 08:39:56 (UTC)
  • 11-01-2023 09:39:56 (UTC +01:00) Italian time
  • 11-01-2023 19:39:56 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -14.7090, 166.7870 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		mb 5.4
Mwp 6.0
Mwpd 6.1 		2023-01-11
08:39:56		 -14.7094 166.787 16 2023-01-11
08:56:27		 Sala Sismica INGV-Roma 113467031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-11 08:39:56
Latitude -14.7094
Longitude 166.7870
Depth (km) 16 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 113467031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8921
Semi-minor axis of confidence ellipse (meter) 5490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 124
Circular confidence region, given by single value of horizontal uncertainty (meter) 8159.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64.5125
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.17202
Epicentral distance of station closest to the epicenter (degree) 8.51286
Epicentral distance of station farthest from the epicenter (degree) 89.78974
Number of stations at which the event was observed 50
Number of stations from which data was used for origin computation 50
Magnitudes information

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.1
Num. used stations 21
Type of magnitude Mwpd
Reference to an origin 113467031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-11 08:56:27

Mwp:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 21
Type of magnitude Mwp
Reference to an origin 113467031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-11 08:56:27

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 33
Type of magnitude mb
Reference to an origin 113467031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-11 08:56:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
US.HAWA.BHZ.00 2023-01-11T08:52:51.15 10.0 negative automatic P 41 89.7897 -1.04498 0.0924629
GE.MALK.BHZ. 2023-01-11T08:52:47.87 10.0 positive automatic PcP 279 88.5296 0.00669714 0
US.WVOR.BHZ.00 2023-01-11T08:52:47.33 10.0 negative automatic P 45 88.9343 -1.03033 0.0929126
US.EGAK.BHZ.00 2023-01-11T08:52:45.25 10.0 positive automatic P 20 88.6358 -1.51828 0.10148
US.NLWA.BHZ.00 2023-01-11T08:52:41.88 10.0 positive automatic P 39 87.4683 0.59289 0.108582
IU.COLA.BHZ.00 2023-01-11T08:52:34.47 10.0 negative automatic P 18 86.6290 -2.65189 0.103974
GE.SAUI.BHZ. 2023-01-11T08:52:28.52 10.0 positive automatic S 277 35.3933 6.18412 0
IN.SHL.HHZ. 2023-01-11T08:52:19.98 10.0 positive automatic P 299 83.2625 -0.188687 0.114929
IU.YAK.BHZ.00 2023-01-11T08:52:12.72 10.0 negative automatic P 343 82.0925 -1.38142 0
IU.ULN.BHZ.00 2023-01-11T08:52:13.37 10.0 positive automatic P 324 82.0205 -0.611414 0.156907
AK.GAMB.BHZ. 2023-01-11T08:52:02.87 10.0 negative automatic P 9 80.2170 -1.24404 0
II.KDAK.BHZ.00 2023-01-11T08:52:01.42 10.0 negative automatic P 21 79.8288 -0.616768 0.17479
IN.PBA.HHZ. 2023-01-11T08:51:56.77 10.0 positive automatic pP 286 77.9258 0.0384013 0
IU.MA2.BHZ.00 2023-01-11T08:51:35.02 10.0 positive automatic P 352 75.4104 -2.38707 0.226135
GE.GSI.BHZ. 2023-01-11T08:51:07.37 10.0 positive automatic P 277 70.2772 0.458053 0.271368
MY.KUM.BHZ. 2023-01-11T08:50:56.42 10.0 positive automatic P 282 68.5155 0.406722 0.285342
MY.IPM.BHZ. 2023-01-11T08:50:52.67 10.0 positive automatic P 281 67.9087 0.433795 0.285951
IU.YSS.BHZ.00 2023-01-11T08:50:35.20 10.0 positive automatic P 342 65.3278 -0.540654 0.316467
IU.SBA.BHZ.00 2023-01-11T08:50:20.92 10.0 positive automatic P 180 63.1370 -0.437772 0.368126
GT.VNDA.BHZ.00 2023-01-11T08:50:17.78 10.0 positive automatic P 181 62.8550 -1.71671 0.351057
JP.JTM.BHZ. 2023-01-11T08:50:01.45 10.0 positive automatic P 338 60.4029 -1.50473 0.406061
JP.JSU.BHZ. 2023-01-11T08:49:44.50 10.0 positive automatic P 323 57.8851 -1.05971 0.371817
IU.MAJO.BHZ.00 2023-01-11T08:49:43.87 10.0 positive automatic P 333 57.9141 -1.89441 0.431925
JP.JMN.BHZ. 2023-01-11T08:49:43.60 10.0 positive automatic P 328 57.7009 -0.691825 0.425134
G.INU.BHZ.00 2023-01-11T08:49:41.31 10.0 positive automatic P 331 57.4526 -1.15835 0.401307
JP.JGF.BHZ. 2023-01-11T08:49:41.85 10.0 negative automatic P 332 57.5119 -1.11545 0.427824
MY.LDM.BHZ. 2023-01-11T08:49:03.72 10.0 positive automatic P 289 51.8257 2.07171 0.451196
GE.JAGI.BHZ. 2023-01-11T08:49:01.07 10.0 positive automatic P 271 51.8276 -0.591735 0.490401
IU.POHA.BHZ.00 2023-01-11T08:48:54.87 10.0 positive automatic P 48 50.6075 2.04943 0.538024
G.KIP.BHZ.00 2023-01-11T08:48:48.05 10.0 positive automatic P 44 49.9799 0.30051 0.535842
AU.MORW.BHZ. 2023-01-11T08:48:38.20 10.0 positive automatic P 244 48.8283 -0.788955 0.478929
IU.NWAO.BHZ.00 2023-01-11T08:48:35.05 10.0 negative automatic P 239 48.3341 -0.147314 0.610268
II.KAPI.BHZ.00 2023-01-11T08:48:26.49 10.0 positive automatic P 277 47.2417 -0.212813 0.63746
IU.MBWA.BHZ.00 2023-01-11T08:48:09.77 10.0 positive automatic P 255 45.0727 0.155003 0.616518
GE.SANI.BHZ. 2023-01-11T08:47:46.97 10.0 positive automatic P 284 42.1977 0.533714 0.617816
G.PPTF.BHZ.00 2023-01-11T08:47:46.20 10.0 positive automatic P 100 41.9341 1.79818 0.678708
GE.SOEI.BHZ. 2023-01-11T08:47:44.62 10.0 positive automatic P 272 41.7873 1.35722 0.576523
AU.FORT.BHZ.00 2023-01-11T08:47:19.53 10.0 negative automatic P 239 38.9012 0.312661 0.70233
GE.FAKI.BHZ. 2023-01-11T08:46:54.37 10.0 positive automatic P 286 36.0343 -0.548944 0.381384
AU.KDU.BHZ.00 2023-01-11T08:46:32.15 10.0 negative automatic P 269 33.3673 0.294173 0.881298
AU.TOO.BHZ.00 2023-01-11T08:45:58.75 10.0 positive automatic P 216 29.6452 -0.455584 0.97561
AU.MILA.BHZ.00 2023-01-11T08:45:37.98 10.0 positive automatic P 212 27.2952 -0.327765 0.91954
G.CAN.BHZ.00 2023-01-11T08:45:26.75 10.0 negative automatic P 215 26.0685 -0.47711 0.930233
AU.QLP.BHZ. 2023-01-11T08:45:08.32 10.0 negative automatic P 237 24.1517 -1.39751 0.860215
AU.RIV.BHZ. 2023-01-11T08:45:06.20 10.0 negative automatic P 214 23.7751 -0.0530947 0.869565
NZ.OUZ.HHZ.10 2023-01-11T08:44:42.09 10.0 positive automatic P 165 21.4022 0.653012 0.917431
AU.ARMA.BHZ. 2023-01-11T08:44:36.75 10.0 negative automatic P 219 20.9910 -0.446003 0.952381
IU.CTAO.BHZ.00 2023-01-11T08:44:30.25 10.0 negative automatic P 252 20.2990 0.682296 0.963855
GE.PMG.BHZ.00 2023-01-11T08:44:27.17 10.0 negative automatic P 283 19.9057 1.93937 0.869565
IU.HNR.BHZ.00 2023-01-11T08:41:58.65 10.0 negative automatic P 307 8.5129 1.62413 0.610687
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download