Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.7 on date 16-09-2022 and time 23:58:18 (UTC) in region New Caledonia [Sea]

A magnitude Mwp 5.7 earthquake occured in region: New Caledonia [Sea], on

  • 16-09-2022 23:58:18 (UTC)
  • 17-09-2022 01:58:18 (UTC +02:00) Italian time
  • 17-09-2022 10:58:18 (UTC +11:00) local time in the region of the earthquake (Pacific/Noumea)

and geographic coordinates (lat, lon) -22.2190, 171.0120 at 31 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5.3
Mwp 5.7
Mwpd 5.8 		2022-09-16
23:58:18		 -22.2188 171.012 31 2022-09-17
00:25:30		 Sala Sismica INGV-Roma 109801811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-16 23:58:18
Latitude -22.2188
Longitude 171.0120
Depth (km) 31 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 109801811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 16035
Semi-minor axis of confidence ellipse (meter) 7667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 14038.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199.384
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.40543
Epicentral distance of station closest to the epicenter (degree) 7.36424
Epicentral distance of station farthest from the epicenter (degree) 81.49421
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

Mwpd:5.8

Field Value
Value 5.8
Uncertainty 0.0
Num. used stations 4
Type of magnitude Mwpd
Reference to an origin 109801811
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-09-17 00:25:30

Mwp:5.7

Field Value
Value 5.7
Uncertainty 0.0
Num. used stations 6
Type of magnitude Mwp
Reference to an origin 109801811
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-09-17 00:25:30

mb:5.3

Field Value
Value 5.3
Uncertainty 0.2
Num. used stations 30
Type of magnitude mb
Reference to an origin 109801811
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-09-17 00:25:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.CTAO.BHZ.00 2022-09-17T00:10:43.05 10.0 negative automatic ScP 271 2570.871 -0.371585 0
IU.CHTO.BHZ.00 2022-09-17T00:10:31.40 10.0 positive automatic P 294 9045.8562 -0.181012 0.154589
GE.GSI.BHZ. 2022-09-17T00:09:56.32 10.0 positive automatic P 278 8348.2323 -0.488443 0.199531
MY.IPM.BHZ. 2022-09-17T00:09:45.22 10.0 positive automatic P 282 8142.8268 -0.840353 0.243217
IU.QSPA.BHZ.00 2022-09-17T00:09:10.82 10.0 negative automatic P 180 7516.3317 -1.27513 0.259788
JP.JGF.BHZ. 2022-09-17T00:08:57.80 10.0 negative automatic P 330 7328.2977 -3.12541 0.315614
IU.CASY.BHZ.00 2022-09-17T00:08:05.92 10.0 positive automatic P 204 6439.2765 -1.13876 0.431094
GE.JAGI.BHZ. 2022-09-17T00:07:52.92 10.0 positive automatic P 275 6238.1112 -1.35197 0.457726
IU.SBA.BHZ.00 2022-09-17T00:07:49.87 10.0 positive automatic P 181 6178.8372 -0.559512 0.494474
GT.VNDA.BHZ.00 2022-09-17T00:07:48.08 10.0 negative automatic P 182 6157.5807 -0.990078 0.231613
II.KAPI.BHZ.00 2022-09-17T00:07:26.39 10.0 positive automatic P 281 5816.1225 -0.238054 0.534845
GE.LUWI.BHZ. 2022-09-17T00:07:19.32 10.0 positive automatic P 287 5709.6513 -0.119907 0.544146
AU.MORW.BHZ. 2022-09-17T00:07:04.75 10.0 positive automatic P 250 5505.1005 -0.830875 0.568129
IU.NWAO.BHZ.00 2022-09-17T00:06:55.67 10.0 positive automatic P 245 5365.0407 -0.24954 0.60362
GE.SANI.BHZ. 2022-09-17T00:06:53.37 10.0 positive automatic P 288 5342.2857 -0.909445 0.586017
IU.MBWA.BHZ.00 2022-09-17T00:06:48.52 10.0 positive automatic P 261 5264.3082 -0.343767 0.6271
GE.SOEI.BHZ. 2022-09-17T00:06:41.57 10.0 positive automatic P 278 5153.2971 0.370926 0.629751
AU.FITZ.BHZ. 2022-09-17T00:06:10.60 10.0 positive automatic P 267 4732.7847 -0.194945 0.690379
GE.FAKI.BHZ. 2022-09-17T00:06:06.22 10.0 positive automatic P 292 4690.0719 -1.45135 0.689377
AU.WRKA.BHZ.00 2022-09-17T00:05:40.90 10.0 positive automatic P 257 4337.4693 -0.637753 0.775814
AU.MTN.BHZ.00 2022-09-17T00:05:39.98 10.0 positive automatic P 277 4333.3512 -1.16837 0.776548
AU.KDU.BHZ.00 2022-09-17T00:05:29.98 10.0 positive automatic P 278 4202.7153 -1.26572 0.706378
II.WRAB.BHZ.00 2022-09-17T00:04:58.27 10.0 positive automatic P 267 3795.5118 -1.63936 0.875324
AU.TOO.BHZ.00 2022-09-17T00:03:54.63 10.0 positive automatic P 229 2972.802 0.130142 0.952381
GE.PMG.BHZ.00 2022-09-17T00:03:48.72 10.0 positive automatic P 295 2910.7752 -0.642785 0.952381
AU.QLP.BHZ. 2022-09-17T00:03:35.75 10.0 positive automatic P 254 2744.4084 -0.0435573 0.91954
AU.MILA.BHZ.00 2022-09-17T00:03:29.18 10.0 positive automatic P 227 2663.7447 -0.0870706 0.930233
G.CAN.BHZ.00 2022-09-17T00:03:21.65 10.0 positive automatic P 231 2578.9629 -0.394153 0.869565
IU.CTAO.BHZ.00 2022-09-17T00:03:21.12 10.0 positive automatic P 271 2570.871 -0.0952389 0.97561
AU.RIV.BHZ. 2022-09-17T00:02:59.77 10.0 positive automatic P 232 2326.4934 2.07967 0.941176
NZ.KHZ.HHZ.10 2022-09-17T00:02:50.34 10.0 positive automatic P 175 2253.9993 -0.284843 0.97561
IU.SNZO.BHZ.00 2022-09-17T00:02:42.42 10.0 negative automatic P 172 2146.7733 2.31095 0.941176
AU.ARMA.BHZ. 2022-09-17T00:02:40.55 10.0 negative automatic P 241 2128.1364 2.09965 0.97561
AU.EIDS.BHZ. 2022-09-17T00:02:33.12 10.0 positive automatic P 256 2052.0903 2.34635 0.941176
IU.HNR.BHZ.00 2022-09-17T00:02:07.12 10.0 positive automatic P 319 1844.1207 -0.779016 0.816327
NZ.OUZ.HHZ.10 2022-09-17T00:01:23.34 10.0 negative automatic P 171 1464.6117 0.765996 0.97561
G.SANVU.BHZ.00 2022-09-17T00:00:10.15 10.0 positive automatic P 331 851.3478 3.2088 0.930233
AU.NFK.BHZ.00 2022-09-17T00:00:02.04 10.0 negative automatic P 201 817.4262 -0.738105 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