Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.5 on date 09-04-2022 and time 22:52:40 (Italy) in region Vanuatu Islands [Sea: Vanuatu]

A magnitude Mwp 6.5 earthquake occured in region: Vanuatu Islands [Sea: Vanuatu], on

  • 09-04-2022 20:52:40 (UTC)
  • 09-04-2022 22:52:40 (UTC +02:00) Italian time
  • 10-04-2022 07:52:40 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -16.1300, 166.7140 at 17 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 6.5
Mwpd 6.6 		2022-04-09
20:52:40		 -16.1297 166.714 17 2022-04-09
21:08:54		 Sala Sismica INGV-Roma 103005301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-09 20:52:40
Latitude -16.1297
Longitude 166.7140
Depth (km) 17 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 103005301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 14535
Semi-minor axis of confidence ellipse (meter) 3753
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 11740.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60.6267
Number of associated phases, regardless of their use for origin computation 87
Number of defining phases 87
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.20808
Epicentral distance of station closest to the epicenter (degree) 0.82918
Epicentral distance of station farthest from the epicenter (degree) 93.11280
Number of stations at which the event was observed 78
Number of stations from which data was used for origin computation 78
Magnitudes information

Mwp:6.5

Field Value
Value 6.5
Uncertainty 0.1
Num. used stations 48
Type of magnitude Mwp
Reference to an origin 103005301
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-09 21:08:54

Mwpd:6.6

Field Value
Value 6.6
Uncertainty 0.1
Num. used stations 47
Type of magnitude Mwpd
Reference to an origin 103005301
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-09 21:08:54

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 56
Type of magnitude mb
Reference to an origin 103005301
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-09 21:08:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.TUC.BHZ.00 2022-04-09T21:05:50.42 10.0 positive automatic P 57 92.4338 1.70077 0.0714516
US.NEW.BHZ.00 2022-04-09T21:05:50.33 10.0 positive automatic P 40 93.1128 -1.50152 0
GE.SNAA.BHZ. 2022-04-09T21:05:45.81 10.0 negative automatic P 183 91.9083 -0.469236 0.0796726
US.ELK.BHZ.00 2022-04-09T21:05:45.80 10.0 negative automatic P 48 91.7493 0.0240156 0.081615
US.BMO.BHZ.00 2022-04-09T21:05:44.18 10.0 positive automatic P 43 91.7698 -1.51418 0
US.HAWA.BHZ.00 2022-04-09T21:05:40.75 10.0 positive automatic P 41 90.9009 -0.774469 0.0406683
IU.PMSA.BHZ.00 2022-04-09T21:05:40.02 10.0 positive automatic P 161 90.4340 0.720226 0.0870864
US.TPNV.BHZ.00 2022-04-09T21:05:37.48 10.0 negative automatic P 51 89.6966 1.34831 0.0962695
GE.MALK.BHZ. 2022-04-09T21:05:32.12 10.0 positive automatic P 279 88.6846 0.997082 0.100997
II.PFO.BHZ.00 2022-04-09T21:05:30.72 10.0 positive automatic P 54 88.3635 0.913668 0.105717
GE.HALK.BHZ. 2022-04-09T21:05:27.90 10.0 positive automatic P 277 87.8976 0.502582 0.0954828
BK.CMB.BHZ.00 2022-04-09T21:05:22.90 10.0 positive automatic P 49 87.0548 -0.545444 0.0532722
AT.TTA.BHZ. 2022-04-09T21:05:07.52 10.0 positive automatic P 16 84.2289 -1.9238 0
IU.ULN.BHZ.00 2022-04-09T21:05:03.42 10.0 positive automatic P 324 83.1320 -0.507229 0.147066
IU.YAK.BHZ.00 2022-04-09T21:05:03.42 10.0 positive automatic P 343 83.4337 -1.80725 0.137928
II.KDAK.BHZ.00 2022-04-09T21:04:50.22 10.0 positive automatic P 21 81.1828 -3.23956 0.0757908
AU.MAW.BHZ. 2022-04-09T21:04:48.98 10.0 negative automatic P 202 80.2501 0.53162 0.170721
IN.PBA.HHZ. 2022-04-09T21:04:37.79 10.0 positive automatic P 286 78.2447 0.290807 0
IU.MA2.BHZ.00 2022-04-09T21:04:26.87 10.0 positive automatic P 352 76.8057 -2.63355 0.184232
IU.CHTO.BHZ.00 2022-04-09T21:04:21.42 10.0 positive automatic P 295 75.2571 0.726997 0.224825
RM.SLV.BHZ. 2022-04-09T21:04:02.62 10.0 positive automatic P 299 72.0635 0.645836 0.245313
GE.GSI.BHZ. 2022-04-09T21:03:52.12 10.0 positive automatic P 277 70.3828 0.407176 0.263791
AK.ATKA.BHZ. 2022-04-09T21:03:48.85 10.0 positive automatic P 12 70.3109 -2.41849 0.0957422
IU.ADK.BHZ.00 2022-04-09T21:03:44.70 10.0 positive automatic P 11 69.5284 -1.77583 0.283092
IU.PET.BHZ.00 2022-04-09T21:03:44.32 10.0 positive automatic P 355 69.4998 -1.97009 0.250954
MY.KUM.BHZ. 2022-04-09T21:03:41.87 10.0 positive automatic P 282 68.7456 0.267046 0.295885
MY.IPM.BHZ. 2022-04-09T21:03:37.72 10.0 positive automatic P 282 68.1217 -0.0123165 0.260146
IU.YSS.BHZ.00 2022-04-09T21:03:27.30 10.0 positive automatic P 342 66.6596 -1.15702 0.250241
GE.MNAI.BHZ. 2022-04-09T21:03:08.17 10.0 positive automatic P 273 63.5964 -0.399896 0.233691
JP.JTU.BHZ. 2022-04-09T21:02:56.20 10.0 positive automatic P 325 61.8367 -0.624852 0.352122
IU.CASY.BHZ.00 2022-04-09T21:02:56.27 10.0 positive automatic P 202 61.9993 -1.63549 0.37449
IU.SBA.BHZ.00 2022-04-09T21:02:55.40 10.0 negative automatic P 180 61.7168 -0.618404 0.396766
JP.JTM.BHZ. 2022-04-09T21:02:54.45 10.0 positive automatic P 338 61.6931 -1.41678 0.361805
GT.VNDA.BHZ.00 2022-04-09T21:02:52.33 10.0 negative automatic P 181 61.4336 -1.78982 0.386657
IU.TATO.BHZ.00 2022-04-09T21:02:45.92 10.0 positive automatic P 312 60.2526 -0.169747 0.380718
AU.XMI.BHZ. 2022-04-09T21:02:42.05 10.0 positive automatic P 267 59.4652 1.35327 0.193481
JP.JSU.BHZ. 2022-04-09T21:02:37.20 10.0 positive automatic P 324 58.9877 -0.210566 0.416224
JP.YOJ.BHZ. 2022-04-09T21:02:36.00 10.0 positive automatic P 313 58.8628 -0.476575 0.197517
IU.MAJO.BHZ.00 2022-04-09T21:02:36.22 10.0 positive automatic P 333 59.1506 -2.31766 0.4341
JP.JMN.BHZ. 2022-04-09T21:02:36.30 10.0 positive automatic P 328 58.8672 -0.296311 0.42789
JP.JGF.BHZ. 2022-04-09T21:02:34.15 10.0 positive automatic P 332 58.7323 -1.515 0.419863
G.INU.BHZ.00 2022-04-09T21:02:33.91 10.0 positive automatic P 332 58.6676 -1.22507 0.393346
JP.JSG.BHZ. 2022-04-09T21:02:27.40 10.0 positive automatic P 332 57.5862 -0.165639 0.206209
MY.SBM.BHZ. 2022-04-09T21:02:24.32 10.0 positive automatic P 284 56.9424 1.28179 0.43569
JP.JOW.BHZ. 2022-04-09T21:02:23.45 10.0 positive automatic P 319 56.9069 0.667501 0.456973
GE.SMRI.BHZ. 2022-04-09T21:02:15.47 10.0 positive automatic P 272 55.7036 1.27493 0.219368
JP.JHJ2.BHZ. 2022-04-09T21:02:12.10 10.0 positive automatic P 333 55.5421 -0.91089 0.308723
GE.JAGI.BHZ. 2022-04-09T21:01:45.17 10.0 positive automatic P 272 51.7891 -0.361582 0.537406
II.KAPI.BHZ.00 2022-04-09T21:01:12.67 10.0 positive automatic P 278 47.3580 0.897166 0.612309
IU.NWAO.BHZ.00 2022-04-09T21:01:12.95 10.0 negative automatic P 240 47.5482 -0.32147 0.623848
GE.LUWI.BHZ. 2022-04-09T21:01:00.87 10.0 positive automatic P 285 45.8405 1.04362 0.456878
IU.MBWA.BHZ.00 2022-04-09T21:00:50.75 10.0 positive automatic P 256 44.6441 0.383433 0.652826
GE.MMRI.BHZ. 2022-04-09T21:00:44.92 10.0 positive automatic P 274 43.9935 -0.22601 0.65681
GE.SANI.BHZ. 2022-04-09T21:00:33.62 10.0 positive automatic P 285 42.4810 0.71435 0.653706
GE.TNTI.BHZ. 2022-04-09T21:00:33.42 10.0 positive automatic P 290 42.3461 1.61378 0.641797
GE.SOEI.BHZ. 2022-04-09T21:00:28.47 10.0 positive automatic P 273 41.7805 1.10342 0.696944
AU.FITZ.BHZ. 2022-04-09T21:00:06.08 10.0 positive automatic P 261 39.2248 0.0054262 0.711675
AU.FORT.BHZ.00 2022-04-09T20:59:56.50 10.0 positive automatic P 240 38.1219 -0.322485 0.803269
GE.BNDI.BHZ. 2022-04-09T20:59:55.82 10.0 positive automatic P 284 37.9409 0.550904 0.636237
AU.WRKA.BHZ.00 2022-04-09T20:59:46.05 10.0 positive automatic P 250 36.9155 -0.631382 0.745989
GE.FAKI.BHZ. 2022-04-09T20:59:42.67 10.0 positive automatic P 288 36.3748 0.680984 0.799986
AU.MTN.BHZ.00 2022-04-09T20:59:26.40 10.0 positive automatic P 271 34.5633 -0.0215093 0.845943
AU.KDU.BHZ.00 2022-04-09T20:59:15.55 10.0 positive automatic P 271 33.3035 0.0915234 0.861695
II.TAU.BHZ.00 2022-04-09T20:58:58.87 10.0 negative automatic P 208 31.4789 -0.606498 0.89944
II.WRAB.BHZ.00 2022-04-09T20:58:54.15 10.0 positive automatic P 258 30.9502 -0.716855 0.910527
AU.TOO.BHZ.00 2022-04-09T20:58:31.98 10.0 positive automatic P 217 28.4587 -0.856819 0.930233
IU.SNZO.BHZ.00 2022-04-09T20:58:12.92 10.0 negative automatic P 166 26.1054 1.29657 0
AU.MILA.BHZ.00 2022-04-09T20:58:10.53 10.0 negative automatic P 213 26.0597 -0.798697 0.91954
G.CAN.BHZ.00 2022-04-09T20:57:59.50 10.0 positive automatic P 216 24.8694 -1.0039 0.952381
AU.QLP.BHZ. 2022-04-09T20:57:45.65 10.0 negative automatic P 240 23.3450 -0.657965 0.930233
AU.RIV.BHZ. 2022-04-09T20:57:37.00 10.0 negative automatic P 215 22.5658 -0.0414343 0.610687
IU.AFI.BHZ.00 2022-04-09T20:57:20.22 10.0 positive automatic P 87 20.8816 0.107921 0.930233
IU.CTAO.BHZ.00 2022-04-09T20:57:11.02 10.0 negative automatic P 255 19.8290 2.40352 0.898876
AU.EIDS.BHZ. 2022-04-09T20:56:39.55 10.0 positive automatic P 235 17.2685 0.497409 0.930233
IU.FUNA.BHZ.00 2022-04-09T20:56:00.52 10.0 positive automatic P 60 14.3610 -0.68653 0.851064
II.MSVF.BHZ.00 2022-04-09T20:55:17.62 10.0 negative automatic P 100 10.9642 2.69135 0.869565
IU.HNR.BHZ.00 2022-04-09T20:54:56.10 10.0 positive automatic P 315 9.3938 2.79383 0.952381
G.SANVU.BHZ.00 2022-04-09T20:52:54.00 10.0 positive automatic P 35 0.8292 -0.539107 0.952381
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