Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.6 on date 26-07-2023 and time 12:44:38 (UTC) in region Vanuatu Islands [Sea: Vanuatu]

A magnitude Mwp 6.6 earthquake occured in region: Vanuatu Islands [Sea: Vanuatu], on

  • 26-07-2023 12:44:38 (UTC)
  • 26-07-2023 14:44:38 (UTC +02:00) Italian time
  • 26-07-2023 23:44:38 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -14.6600, 167.8990 at 15 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 5.5
Mwp 6.6
Mwpd 6.6 		2023-07-26
12:44:38		 -14.6602 167.899 15 2023-07-26
13:01:02		 Sala Sismica INGV-Roma 119596561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-26 12:44:38
Latitude -14.6602
Longitude 167.8990
Depth (km) 15 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 119596561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 22834826
Semi-minor axis of confidence ellipse (meter) 11301003
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 20570800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53.7418
Number of associated phases, regardless of their use for origin computation 88
Number of defining phases 88
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.74939
Epicentral distance of station closest to the epicenter (degree) 6.82158
Epicentral distance of station farthest from the epicenter (degree) 93.93816
Number of stations at which the event was observed 88
Number of stations from which data was used for origin computation 88
Magnitudes information

Mwpd:6.6

Field Value
Value 6.6
Uncertainty 0.1
Num. used stations 57
Type of magnitude Mwpd
Reference to an origin 119596561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-07-26 13:01:02

Mwp:6.6

Field Value
Value 6.6
Uncertainty 0.1
Num. used stations 56
Type of magnitude Mwp
Reference to an origin 119596561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-07-26 13:01:02

mb:5.5

Field Value
Value 5.5
Uncertainty 0.2
Num. used stations 65
Type of magnitude mb
Reference to an origin 119596561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-07-26 13:01:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
US.BOZ.BHZ.00 2023-07-26T12:57:53.35 10.0 positive automatic P 44 10427.1402 -0.946628 0.00953297
US.HLID.BHZ.00 2023-07-26T12:57:41.90 10.0 positive automatic P 45 10148.0307 -0.822666 0.0946738
US.DUG.BHZ.00 2023-07-26T12:57:41.70 10.0 positive automatic P 49 10154.7795 -1.25448 0.0896237
US.WUAZ.BHZ.00 2023-07-26T12:57:41.20 10.0 positive automatic P 53 10117.6389 -1.78566 0.100781
IU.TUC.BHZ.00 2023-07-26T12:57:38.00 10.0 positive automatic P 57 10064.7363 -1.85354 0.104268
GE.MALK.BHZ. 2023-07-26T12:57:36.17 10.0 positive automatic P 279 9943.9017 1.16581 0.106818
US.ELK.BHZ.00 2023-07-26T12:57:34.70 10.0 positive automatic P 48 9980.565 -1.07867 0.192773
US.BMO.BHZ.00 2023-07-26T12:57:34.03 10.0 positive automatic P 43 9980.7537 -1.57938 0.162613
US.HAWA.BHZ.00 2023-07-26T12:57:30.25 10.0 positive automatic P 41 9883.7508 -1.81775 0.193389
NN.PRN.HHZ. 2023-07-26T12:57:30.36 10.0 positive automatic P 51 9872.0181 -2.00804 0.0604853
US.WVOR.BHZ.00 2023-07-26T12:57:26.23 10.0 positive automatic P 45 9783.1071 -1.85971 0.162591
US.TPNV.BHZ.00 2023-07-26T12:57:25.10 10.0 positive automatic P 51 9755.0907 -2.06971 0.101342
US.EGAK.BHZ.00 2023-07-26T12:57:24.13 10.0 positive automatic P 19 9793.5855 -3.41623 0.0537257
US.WRAK.BHZ.00 2023-07-26T12:57:17.70 10.0 positive automatic P 29 9616.0854 -2.09537 0.052617
IU.COLA.BHZ.00 2023-07-26T12:57:14.32 10.0 positive automatic P 17 9574.8156 -2.61641 0.05437
BK.CMB.BHZ.00 2023-07-26T12:57:11.75 10.0 positive automatic P 49 9460.1748 -2.02275 0.233962
BK.MCCM.BHZ.00 2023-07-26T12:57:03.07 10.0 positive automatic P 48 9265.4919 -1.842 0.0567852
IU.ULN.BHZ.00 2023-07-26T12:56:58.62 10.0 positive automatic P 324 9170.0652 -0.41463 0.225582
AT.TTA.BHZ. 2023-07-26T12:56:56.78 10.0 positive automatic P 16 9157.8108 -2.72631 0.150541
IU.YAK.BHZ.00 2023-07-26T12:56:55.72 10.0 positive automatic P 343 9141.5715 -1.04796 0.243488
II.KDAK.BHZ.00 2023-07-26T12:56:39.00 10.0 positive automatic P 20 8814.2103 -2.82304 0.131269
IU.CHTO.BHZ.00 2023-07-26T12:56:21.92 10.0 positive automatic P 294 8400.8241 -0.173125 0.165083
MY.KUM.BHZ. 2023-07-26T12:55:45.22 10.0 positive automatic P 281 7721.0379 0.0790643 0.270339
MY.IPM.BHZ. 2023-07-26T12:55:41.62 10.0 positive automatic P 281 7654.0494 0.149986 0.31241
MY.KOM.BHZ. 2023-07-26T12:55:19.82 10.0 positive automatic P 279 7266.7704 0.135673 0.271945
IU.YSS.BHZ.00 2023-07-26T12:55:19.10 10.0 positive automatic P 341 7283.4648 -0.83664 0.277856
IU.INCN.BHZ.00 2023-07-26T12:55:14.97 10.0 positive automatic P 325 7211.8698 -0.254085 0.357
RM.DLV.BHZ. 2023-07-26T12:55:14.47 10.0 positive automatic P 291 7168.9239 0.339315 0.219101
PS.TJN.BHZ. 2023-07-26T12:55:05.71 10.0 positive automatic P 324 7078.8585 -2.52002 0.170594
IU.SBA.BHZ.00 2023-07-26T12:55:03.02 10.0 positive automatic P 180 7013.9568 -2.69636 0.0991011
JP.JKA.BHZ. 2023-07-26T12:55:02.90 10.0 positive automatic P 340 7009.0839 -1.20651 0.226104
JP.JTU.BHZ. 2023-07-26T12:54:49.60 10.0 positive automatic P 324 6803.523 -2.79872 0.364307
II.ERM.BHZ.00 2023-07-26T12:54:48.82 10.0 positive automatic P 339 6780.9345 -1.62039 0.250316
AU.XMI.BHZ.00 2023-07-26T12:54:48.80 10.0 positive automatic P 266 6736.8009 1.18215 0.222173
JP.JTM.BHZ. 2023-07-26T12:54:46.25 10.0 positive automatic P 337 6745.6254 -1.50994 0.325305
IU.TATO.BHZ.00 2023-07-26T12:54:43.12 10.0 positive automatic P 311 6675.0072 -0.526133 0.231569
JP.JWT.BHZ. 2023-07-26T12:54:35.00 10.0 positive automatic P 329 6513.0804 2.15173 0.249021
JP.JSU.BHZ. 2023-07-26T12:54:31.15 10.0 positive automatic P 323 6492.8007 -0.603287 0.379613
JP.JMN.BHZ. 2023-07-26T12:54:29.50 10.0 positive automatic P 327 6464.7954 -0.952872 0.310451
IU.MAJO.BHZ.00 2023-07-26T12:54:29.02 10.0 positive automatic P 332 6478.6149 -1.02014 0.243385
PS.ISG.BHZ. 2023-07-26T12:54:27.91 10.0 positive automatic P 312 6414.7899 0.411178 0.239598
G.INU.BHZ.00 2023-07-26T12:54:26.71 10.0 positive automatic P 330 6430.6185 -0.781326 0.427664
JP.JGF.BHZ. 2023-07-26T12:54:26.70 10.0 positive automatic P 331 6436.4016 -1.23362 0.378037
GE.SMRI.BHZ. 2023-07-26T12:54:21.47 10.0 positive automatic P 271 6304.8333 0.0450797 0.248029
JP.JSG.BHZ. 2023-07-26T12:54:19.45 10.0 positive automatic P 331 6309.0291 -0.49869 0.250395
JP.JOW.BHZ. 2023-07-26T12:54:18.60 10.0 positive automatic P 317 6281.1237 -0.368237 0.261529
JP.JHJ2.BHZ. 2023-07-26T12:54:04.45 10.0 positive automatic P 331 6081.0573 -0.910332 0.131846
G.TAOE.BHZ.00 2023-07-26T12:53:41.22 10.0 positive automatic P 90 5670.768 1.18478 0.307976
IU.POHA.BHZ.00 2023-07-26T12:53:30.87 10.0 positive automatic P 47 5525.4579 1.35974 0.350186
AU.MORW.BHZ. 2023-07-26T12:53:28.47 10.0 positive automatic P 244 5529.7314 -0.00331493 0.341418
G.KIP.BHZ.00 2023-07-26T12:53:25.60 10.0 positive automatic P 44 5460.8448 0.736959 0.346016
IU.NWAO.BHZ.00 2023-07-26T12:53:24.10 10.0 positive automatic P 239 5470.08 -0.3099 0.348905
II.KAPI.BHZ.00 2023-07-26T12:53:18.47 10.0 positive automatic P 276 5361.8106 0.948017 0.363143
JP.JCJ.BHZ. 2023-07-26T12:53:18.25 10.0 positive automatic P 329 5399.595 -0.495702 0.388358
GE.LUWI.BHZ. 2023-07-26T12:53:05.27 10.0 positive automatic P 283 5172.6888 1.21035 0.497581
IU.MBWA.BHZ.00 2023-07-26T12:53:00.62 10.0 positive automatic P 255 5119.6419 0.557348 0.398319
GE.SANI.BHZ. 2023-07-26T12:52:37.92 10.0 positive automatic P 283 4798.9185 1.26052 0.465628
GE.SOEI.BHZ. 2023-07-26T12:52:35.82 10.0 positive automatic P 271 4757.5932 1.02609 0.604323
G.PPTF.BHZ.00 2023-07-26T12:52:28.35 10.0 positive automatic P 100 4538.0796 8.26568 0.501083
AU.FITZ.BHZ. 2023-07-26T12:52:15.50 10.0 positive automatic P 259 4507.0884 0.0232834 0.613251
AU.FORT.BHZ.00 2023-07-26T12:52:09.43 10.0 positive automatic P 239 4423.2279 -0.350062 0.607751
GE.BNDI.BHZ. 2023-07-26T12:52:00.82 10.0 positive automatic P 281 4299.9624 0.390298 0.453215
GE.FAKI.BHZ. 2023-07-26T12:51:46.47 10.0 positive automatic P 285 4113.4935 0.512984 0.871695
AU.MTN.BHZ.00 2023-07-26T12:51:34.48 10.0 positive automatic P 268 3964.8534 -0.397635 0.774946
AU.KDU.BHZ.00 2023-07-26T12:51:23.63 10.0 positive automatic P 269 3823.2507 -0.235134 1.01316
II.TAU.BHZ.00 2023-07-26T12:51:12.92 10.0 positive automatic P 208 3697.632 -1.5874 0.721288
II.WRAB.BHZ.00 2023-07-26T12:51:04.70 10.0 positive automatic P 256 3596.0337 -0.572436 1.01743
AU.HTT.BHZ.00 2023-07-26T12:51:04.50 10.0 positive automatic P 229 3579.4614 -0.322824 0.988795
IU.RAR.BHZ.00 2023-07-26T12:50:58.40 10.0 positive automatic P 107 3483.6795 0.129336 0.850435
NZ.ODZ.HHZ.10 2023-07-26T12:50:49.71 10.0 positive automatic P 176 3382.3143 1.45015 0.932554
AU.TOO.BHZ.00 2023-07-26T12:50:46.65 10.0 positive automatic P 217 3365.52 -1.17532 1.226
PS.JAY.BHZ. 2023-07-26T12:50:39.56 10.0 positive automatic P 292 3269.061 -0.543616 1.15171
NZ.KHZ.HHZ.10 2023-07-26T12:50:31.19 10.0 positive automatic P 171 3127.647 3.73573 0.961538
IU.SNZO.BHZ.00 2023-07-26T12:50:21.97 10.0 positive automatic P 169 3029.6451 2.44299 0.963855
G.CAN.BHZ.00 2023-07-26T12:50:14.75 10.0 positive automatic P 216 2967.0189 -1.50121 1.04843
AU.QLP.BHZ. 2023-07-26T12:50:01.10 10.0 positive automatic P 238 2784.3795 0.467332 1.23986
NZ.URZ.HHZ.10 2023-07-26T12:49:57.88 10.0 positive automatic P 163 2770.893 -0.50043 0.83682
AU.RIV.BHZ. 2023-07-26T12:49:54.30 10.0 positive automatic P 215 2711.2305 -1.62309 1.16026
AU.COEN.BHZ.00 2023-07-26T12:49:51.38 10.0 positive automatic P 269 2658.9828 0.793583 0.269524
AU.ARMA.BHZ. 2023-07-26T12:49:27.80 10.0 positive automatic P 221 2410.7646 -0.304617 1.40158
IU.CTAO.BHZ.00 2023-07-26T12:49:24.80 10.0 positive automatic P 252 2368.4181 0.544506 1.38818
GE.PMG.BHZ.00 2023-07-26T12:49:21.07 10.0 positive automatic P 282 2324.8284 0.867425 0.909091
AU.EIDS.BHZ. 2023-07-26T12:48:59.17 10.0 positive automatic P 233 2115.1827 0.238147 1.15144
II.MSVF.BHZ.00 2023-07-26T12:47:05.12 10.0 positive automatic P 109 1134.8307 1.15593 0.930233
IU.HNR.BHZ.00 2023-07-26T12:46:53.02 10.0 positive automatic P 303 1039.3707 1.38915 0.889295
ND.ONTNC.BHZ.00 2023-07-26T12:46:27.40 10.0 positive automatic P 190 862.2924 -2.36412 0.952381
ND.KOUNC.BHZ.00 2023-07-26T12:46:15.25 10.0 positive automatic P 210 757.2531 -1.11007 1.60468
ND.MARNC.BHZ.00 2023-07-26T12:46:12.45 10.0 positive automatic P 179 757.1976 -2.97694 0.909091
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