Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.0 on date 04-04-2022 and time 18:06:56 (Italy) in region Vanuatu Islands [Sea: Vanuatu]

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

  • 04-04-2022 16:06:56 (UTC)
  • 04-04-2022 18:06:56 (UTC +02:00) Italian time
  • 05-04-2022 03:06:56 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -17.4160, 167.8780 at 20 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 6.0
Mwpd 6.1 		2022-04-04
16:06:56		 -17.4164 167.878 20 2022-04-04
16:27:13		 Sala Sismica INGV-Roma 102779231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 16:06:56
Latitude -17.4164
Longitude 167.8780
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 102779231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7572
Semi-minor axis of confidence ellipse (meter) 1907
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 6223.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70.704
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.52897
Epicentral distance of station closest to the epicenter (degree) 2.07291
Epicentral distance of station farthest from the epicenter (degree) 76.81082
Number of stations at which the event was observed 58
Number of stations from which data was used for origin computation 58
Magnitudes information

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude Mwpd
Reference to an origin 102779231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-04 16:27:13

Mwp:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 24
Type of magnitude Mwp
Reference to an origin 102779231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-04 16:27:13

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 42
Type of magnitude mb
Reference to an origin 102779231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-04-04 16:27:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.CHTO.BHZ.00 2022-04-04T16:18:46.45 10.0 positive automatic P 295 76.8108 0.503378 0
GE.GSI.BHZ. 2022-04-04T16:18:16.72 10.0 positive automatic P 277 71.6540 0.899717 0
IU.PET.BHZ.00 2022-04-04T16:18:08.02 10.0 positive automatic P 354 70.8877 -3.16443 0
IU.YSS.BHZ.00 2022-04-04T16:17:53.70 10.0 negative automatic P 342 68.2263 -1.06733 0.195202
JP.JKA.BHZ. 2022-04-04T16:17:37.65 10.0 negative automatic sP 339 63.0540 8.17488 0
II.ERM.BHZ.00 2022-04-04T16:17:23.57 10.0 negative automatic P 340 63.6634 -1.82371 0.280492
JP.JTM.BHZ. 2022-04-04T16:17:19.95 10.0 negative automatic P 338 63.3052 -3.08597 0.168668
IU.CASY.BHZ.00 2022-04-04T16:17:08.72 10.0 positive automatic P 203 61.2368 -0.441698 0.393872
AU.XMI.BHZ. 2022-04-04T16:17:05.10 10.0 negative automatic P 268 60.5214 0.756802 0.408818
JP.JSU.BHZ. 2022-04-04T16:17:04.00 10.0 negative automatic P 324 60.6845 -1.48123 0.392301
IU.SBA.BHZ.00 2022-04-04T16:17:04.02 10.0 positive automatic P 180 60.4326 0.320422 0.386792
IU.MAJO.BHZ.00 2022-04-04T16:17:03.77 10.0 positive automatic P 333 60.8019 -2.51172 0.381803
JP.JMN.BHZ. 2022-04-04T16:17:02.95 10.0 negative automatic P 328 60.5493 -1.62913 0.385212
JP.JGF.BHZ. 2022-04-04T16:17:01.90 10.0 positive automatic P 332 60.3923 -1.61624 0.396346
GT.VNDA.BHZ.00 2022-04-04T16:17:01.10 10.0 positive automatic P 181 60.1734 -0.838861 0.418872
G.INU.BHZ.00 2022-04-04T16:17:00.71 10.0 negative automatic P 331 60.3303 -2.3058 0.371303
MY.SBM.BHZ. 2022-04-04T16:16:50.07 10.0 positive automatic P 284 58.3374 0.817639 0.42538
MY.LDM.BHZ. 2022-04-04T16:16:18.17 10.0 positive automatic P 290 53.7241 1.92548 0.472332
GE.JAGI.BHZ. 2022-04-04T16:16:10.17 10.0 negative automatic P 272 52.9522 -0.393886 0.506339
II.KAPI.BHZ.00 2022-04-04T16:15:38.57 10.0 negative automatic P 279 48.6517 0.383267 0.527026
AU.MORW.BHZ. 2022-04-04T16:15:37.92 10.0 negative automatic P 246 48.6430 -0.199733 0.597022
IU.NWAO.BHZ.00 2022-04-04T16:15:31.52 10.0 positive automatic P 241 47.8833 -0.752715 0.595909
GE.LUWI.BHZ. 2022-04-04T16:15:27.17 10.0 negative automatic P 285 47.2509 -0.125096 0.452426
IU.MBWA.BHZ.00 2022-04-04T16:15:12.00 10.0 negative automatic P 257 45.4304 -0.0244003 0.670177
GE.MMRI.BHZ. 2022-04-04T16:15:10.87 10.0 negative automatic P 275 45.2104 -0.393931 0.593654
GE.SANI.BHZ. 2022-04-04T16:15:00.67 10.0 negative automatic P 286 43.8985 -0.100111 0.690444
GE.SOEI.BHZ. 2022-04-04T16:14:54.47 10.0 negative automatic P 274 42.9799 0.934967 0.659525
GE.BNDI.BHZ. 2022-04-04T16:14:22.22 10.0 positive automatic P 285 39.3372 -1.18595 0.625988
AU.FORT.BHZ.00 2022-04-04T16:14:16.08 10.0 negative automatic P 242 38.4809 -0.177578 0.786232
GE.FAKI.BHZ. 2022-04-04T16:14:10.22 10.0 negative automatic P 288 37.8338 -0.576713 0.789646
AU.WRKA.BHZ.00 2022-04-04T16:14:07.83 10.0 negative automatic P 251 37.5365 -0.543421 0.79555
AU.MTN.BHZ.00 2022-04-04T16:13:52.33 10.0 negative automatic P 272 35.7097 -0.386111 0.768289
AU.KDU.BHZ.00 2022-04-04T16:13:41.53 10.0 positive automatic P 273 34.4656 -0.447182 0.878748
II.WRAB.BHZ.00 2022-04-04T16:13:17.55 10.0 positive automatic P 260 31.8007 -1.21739 0.892517
GE.GENI.BHZ. 2022-04-04T16:13:10.77 10.0 negative automatic P 295 30.9732 -0.655404 0.60189
II.TAU.BHZ.00 2022-04-04T16:13:10.82 10.0 positive automatic P 210 30.8914 0.100211 0.93326
AU.HTT.BHZ. 2022-04-04T16:13:07.50 10.0 positive automatic P 233 30.4969 0.158952 0.941783
AU.TOO.BHZ.00 2022-04-04T16:12:46.40 10.0 negative automatic P 220 28.1431 -0.0378433 0.909091
NZ.ODZ.HHZ.10 2022-04-04T16:12:40.69 10.0 positive automatic P 176 27.7233 -1.93795 0.995025
AU.MILA.BHZ.00 2022-04-04T16:12:24.48 10.0 positive automatic P 216 25.6383 0.550931 0.869565
NZ.KHZ.HHZ.10 2022-04-04T16:12:20.12 10.0 positive automatic P 170 25.4602 -2.06836 0.934579
G.CAN.BHZ.00 2022-04-04T16:12:14.50 10.0 negative automatic P 219 24.5369 0.603245 0.930233
IU.SNZO.BHZ.00 2022-04-04T16:12:12.37 10.0 positive automatic P 168 24.6000 -2.00127 0.610687
AU.QLP.BHZ. 2022-04-04T16:12:06.42 10.0 negative automatic P 243 23.7076 0.17521 0.952381
AU.RIV.BHZ. 2022-04-04T16:11:52.60 10.0 positive automatic P 219 22.2189 1.80903 0.987654
NZ.URZ.HHZ.10 2022-04-04T16:11:50.93 10.0 positive automatic P 161 22.3542 -1.30943 0.892857
IU.CTAO.BHZ.00 2022-04-04T16:11:35.62 10.0 positive automatic P 259 20.6336 1.81701 0.952381
NZ.OUZ.HHZ.10 2022-04-04T16:11:10.64 10.0 positive automatic P 165 18.5171 0.00712338 0.888889
AU.EIDS.BHZ. 2022-04-04T16:11:01.47 10.0 negative automatic P 240 17.5214 2.81189 0.941176
AU.LHI.BHZ.00 2022-04-04T16:10:41.85 10.0 negative automatic P 208 16.2093 -0.265523 0.43956
IU.FUNA.BHZ.00 2022-04-04T16:10:15.97 10.0 positive automatic P 53 14.1551 1.08637 0.869565
AU.NFK.BHZ.00 2022-04-04T16:09:41.86 10.0 positive automatic P 180 11.6265 1.48361 0.980392
IU.HNR.BHZ.00 2022-04-04T16:09:36.15 10.0 negative automatic P 315 11.0916 3.10503 0.97561
II.MSVF.BHZ.00 2022-04-04T16:09:18.72 10.0 positive automatic P 93 9.7031 4.57175 0.930233
ND.ONTNC.BHZ.00 2022-04-04T16:08:09.80 10.0 positive automatic P 195 5.0707 -0.648431 0.97561
G.DZM.BHZ.00 2022-04-04T16:08:05.80 10.0 positive automatic P 196 4.8468 -1.70115 0.970874
ND.KOUNC.BHZ.00 2022-04-04T16:08:04.50 10.0 negative automatic P 227 4.6213 0.228389 0.952381
G.SANVU.BHZ.00 2022-04-04T16:07:28.10 10.0 negative automatic P 342 2.0729 -1.12107 0.97561
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