Earthquake with magnitude of Mwp 7.1 on date 20-05-2023 and time 03:50:56 (Italy) in region New Caledonia [Sea]

A magnitude Mwp 7.1 earthquake occured in region: New Caledonia [Sea], on

  • 20-05-2023 01:50:56 (UTC)
  • 20-05-2023 03:50:56 (UTC +02:00) Italian time
  • 20-05-2023 12:50:56 (UTC +11:00) local time in the region of the earthquake (Pacific/Noumea)

and geographic coordinates (lat, lon) -23.0060, 170.8900 at 6 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.

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 5.9
Mwp 7.1

Mwpd 7.2
2023-05-20
01:50:56
-23.0063 170.89 6 2023-05-20
02:06:48
Sala Sismica INGV-Roma 117508421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-20 01:50:56
Latitude -23.0063
Longitude 170.8900
Depth (km) 6 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 117508421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 20846
Semi-minor axis of confidence ellipse (meter) 18893
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 19189.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119.282
Number of associated phases, regardless of their use for origin computation 82
Number of defining phases 82
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.52276
Epicentral distance of station closest to the epicenter (degree) 6.59264
Epicentral distance of station farthest from the epicenter (degree) 85.21964
Number of stations at which the event was observed 76
Number of stations from which data was used for origin computation 76
Magnitudes information

Mwp:7.1

Field Value
Value 7.1
Uncertainty 0.1
Num. used stations 61
Type of magnitude Mwp
Reference to an origin 117508421
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-20 02:06:48

Mwpd:7.2

Field Value
Value 7.2
Uncertainty 0.1
Num. used stations 58
Type of magnitude Mwpd
Reference to an origin 117508421
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-20 02:06:48

mb:5.9

Field Value
Value 5.9
Uncertainty 0.2
Num. used stations 61
Type of magnitude mb
Reference to an origin 117508421
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-20 02:06:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GE.SNAA.BHZ. 2023-05-20T02:03:32.91 10.0 negative automatic P 182 9459.3756 0.561452 0.127201
IU.MA2.BHZ.00 2023-05-20T02:03:25.42 10.0 negative automatic P 350 9348.2979 -1.79534 0.135192
IU.PMSA.BHZ.00 2023-05-20T02:03:22.17 10.0 negative automatic P 159 9171.9411 3.18394 0.0701123
IU.CHTO.BHZ.00 2023-05-20T02:03:15.20 10.0 negative automatic P 295 9070.6869 0.921812 0.144466
G.PAF.BHZ.00 2023-05-20T02:03:05.40 10.0 negative automatic P 221 8803.5321 4.11974 0.0840629
AT.AKUT.BHZ. 2023-05-20T02:03:05.88 10.0 positive automatic P 14 8848.7646 2.37927 0
RM.SLV.BHZ. 2023-05-20T02:02:59.62 10.0 negative automatic P 299 8753.5821 0.698291 0.166611
GE.LHMI.BHZ. 2023-05-20T02:02:50.92 10.0 negative automatic P 281 8592.4767 0.15566 0.165273
AT.SMY.BHZ. 2023-05-20T02:02:41.12 10.0 positive automatic P 2 8412.1905 -0.465313 0.198356
AU.MAW.BHZ. 2023-05-20T02:02:40.53 10.0 positive automatic P 202 8363.7723 1.44569 0.230021
IU.ADK.BHZ.00 2023-05-20T02:02:39.55 10.0 negative automatic P 8 8399.7807 -1.41473 0.208484
GE.GSI.BHZ. 2023-05-20T02:02:38.62 10.0 negative automatic P 278 8347.6551 0.362813 0.213183
IU.YSS.BHZ.00 2023-05-20T02:02:33.65 10.0 positive automatic P 340 8261.5302 -0.129597 0.221062
MY.IPM.BHZ. 2023-05-20T02:02:27.67 10.0 negative automatic P 282 8149.1649 -0.192199 0.231558
IU.INCN.BHZ.00 2023-05-20T02:02:27.17 10.0 negative automatic P 325 8149.6533 -0.684934 0.221446
JP.JKA.BHZ. 2023-05-20T02:02:18.85 10.0 negative automatic PcP 338 7691.4786 -7.66376 0
II.COCO.BHZ.00 2023-05-20T02:02:13.05 10.0 negative automatic P 265 7852.917 1.20891 0.222472
II.ERM.BHZ.00 2023-05-20T02:02:05.82 10.0 negative automatic P 338 7758.123 -0.795482 0.182754
MY.KOM.BHZ. 2023-05-20T02:02:05.77 10.0 negative automatic P 281 7738.5315 0.240029 0.260154
JP.JTU.BHZ. 2023-05-20T02:02:03.85 10.0 positive automatic P 324 7739.4084 -1.73192 0.254535
JP.JTM.BHZ. 2023-05-20T02:02:03.15 10.0 negative automatic P 336 7720.5495 -1.39668 0.185358
GE.MNAI.BHZ. 2023-05-20T02:01:54.17 10.0 negative automatic P 275 7548.3663 -0.715775 0.285317
IU.TATO.BHZ.00 2023-05-20T02:01:52.72 10.0 negative automatic P 312 7523.8353 -0.774955 0.294408
IU.MAJO.BHZ.00 2023-05-20T02:01:47.27 10.0 negative automatic P 332 7444.0929 -1.72071 0.302965
JP.JSU.BHZ. 2023-05-20T02:01:46.70 10.0 negative automatic P 323 7420.8606 -0.956959 0.298693
JP.JMN.BHZ. 2023-05-20T02:01:46.40 10.0 positive automatic P 327 7412.5689 -0.806973 0.299574
JP.YOJ.BHZ. 2023-05-20T02:01:44.35 10.0 negative automatic P 313 7372.1871 -0.441874 0.303881
G.INU.BHZ.00 2023-05-20T02:01:44.66 10.0 negative automatic P 330 7391.2125 -1.24507 0.295286
JP.JGF.BHZ. 2023-05-20T02:01:44.55 10.0 negative automatic P 331 7398.2832 -1.84149 0.288281
JP.JSG.BHZ. 2023-05-20T02:01:39.90 10.0 negative automatic P 331 7271.0328 0.960578 0.321957
JP.JOW.BHZ. 2023-05-20T02:01:33.25 10.0 negative automatic P 318 7177.0602 -0.208486 0.332513
JP.JHJ2.BHZ. 2023-05-20T02:01:26.05 10.0 negative automatic P 331 7044.0045 0.497069 0.168142
JP.JMZ.BHZ. 2023-05-20T02:01:17.55 10.0 positive automatic P 319 6895.2534 0.929554 0.309002
GE.SMRI.BHZ. 2023-05-20T02:01:03.57 10.0 negative automatic P 275 6670.7337 0.647777 0.401433
IU.CASY.BHZ.00 2023-05-20T02:00:43.37 10.0 negative automatic P 205 6354.528 0.312386 0.147403
GE.BKB.BHZ. 2023-05-20T02:00:40.57 10.0 negative automatic P 285 6296.0421 1.23626 0.403097
GE.JAGI.BHZ. 2023-05-20T02:00:34.07 10.0 negative automatic P 275 6233.2383 -1.24657 0.458374
IU.SBA.BHZ.00 2023-05-20T02:00:28.82 10.0 negative automatic P 181 6091.2138 2.72635 0.483291
IU.POHA.BHZ.00 2023-05-20T02:00:21.47 10.0 negative automatic P 40 5979.348 2.37851 0.498953
G.KIP.BHZ.00 2023-05-20T02:00:19.25 10.0 negative automatic P 37 5968.4367 1.19509 0.462412
II.KAPI.BHZ.00 2023-05-20T02:00:08.40 10.0 negative automatic P 282 5821.4172 0.0793809 0.5095
AU.GIRL.BHZ.00 2023-05-20T02:00:05.10 10.0 negative automatic P 259 5757.5922 1.09179 0.247872
GE.LUWI.BHZ. 2023-05-20T02:00:01.87 10.0 negative automatic P 288 5724.4809 0.106511 0.26467
AU.MORW.BHZ. 2023-05-20T01:59:43.25 10.0 negative automatic P 251 5463.9195 -0.806111 0.567662
GE.MMRI.BHZ. 2023-05-20T01:59:39.57 10.0 negative automatic P 279 5406.5658 -0.49098 0.56318
GE.SANI.BHZ. 2023-05-20T01:59:35.92 10.0 negative automatic P 289 5358.4251 -0.783112 0.583558
IU.NWAO.BHZ.00 2023-05-20T01:59:33.32 10.0 negative automatic P 246 5317.1664 -0.567214 0.611155
IU.MBWA.BHZ.00 2023-05-20T01:59:26.00 10.0 positive automatic P 262 5239.0002 -1.3842 0.638967
GE.SOEI.BHZ. 2023-05-20T01:59:22.87 10.0 negative automatic P 279 5153.3859 0.380141 0.615083
IU.GUMO.BHZ.00 2023-05-20T01:59:07.27 10.0 negative automatic P 323 4949.0904 -0.491875 0.305874
GE.BNDI.BHZ. 2023-05-20T01:58:58.62 10.0 negative automatic P 289 4845.6939 -1.6415 0.313733
AU.FITZ.BHZ. 2023-05-20T01:58:50.65 10.0 negative automatic P 268 4716.4122 -0.19988 0.640355
IU.WAKE.BHZ.00 2023-05-20T01:58:49.85 10.0 positive automatic P 354 4716.3456 -0.984965 0.677168
GE.FAKI.BHZ. 2023-05-20T01:58:48.82 10.0 negative automatic P 292 4711.2396 -1.65645 0.655399
AU.MTN.BHZ.00 2023-05-20T01:58:20.98 10.0 negative automatic P 278 4332.4188 -1.3291 0.740995
AU.FORT.BHZ.00 2023-05-20T01:58:19.08 10.0 positive automatic P 249 4300.3731 -0.80996 0.77311
AU.WRKA.BHZ.00 2023-05-20T01:58:19.63 10.0 negative automatic P 258 4306.5336 -0.804732 0.76294
AU.KDU.BHZ.00 2023-05-20T01:58:11.30 10.0 negative automatic P 279 4203.2703 -1.19952 0.771982
II.WRAB.BHZ.00 2023-05-20T01:57:37.77 10.0 negative automatic P 268 3779.1726 -2.05247 0.838021
AU.MCQ.BHZ.00 2023-05-20T01:57:32.23 10.0 negative automatic P 193 3633.7071 3.89556 0.413262
II.KWJN.BHZ.00 2023-05-20T01:57:26.22 10.0 positive automatic P 354 3602.8935 0.325622 0.860302
II.TAU.BHZ.00 2023-05-20T01:56:47.32 10.0 positive automatic P 219 3093.2481 2.01989 0.909091
GE.PMG.BHZ.00 2023-05-20T01:56:31.67 10.0 negative automatic P 297 2938.17 -1.06382 0.869565
AU.TOO.BHZ.00 2023-05-20T01:56:31.03 10.0 negative automatic P 230 2906.8347 0.749594 0.898876
AU.RABL.BHZ.00 2023-05-20T01:56:28.10 10.0 negative automatic P 313 2897.8215 -1.38747 0.761905
AU.QLP.BHZ. 2023-05-20T01:56:13.15 10.0 positive automatic P 256 2710.0206 -0.953096 0.761905
IU.CTAO.BHZ.00 2023-05-20T01:56:00.62 10.0 negative automatic P 273 2560.7922 -0.559055 0.97561
G.CAN.BHZ.00 2023-05-20T01:55:58.15 10.0 positive automatic P 232 2514.7494 1.30435 0.97561
NZ.ODZ.HHZ.10 2023-05-20T01:55:52.80 10.0 positive automatic P 180 2446.1736 2.59987 0.921659
AU.RIV.BHZ. 2023-05-20T01:55:35.57 10.0 negative automatic P 234 2263.6785 3.13573 0.952381
AU.ARMA.BHZ. 2023-05-20T01:55:15.22 10.0 positive automatic P 243 2075.5113 1.13194 0.888889
AU.EIDS.BHZ. 2023-05-20T01:55:08.97 10.0 negative automatic P 259 2020.7661 0.714731 0.97561
IU.HNR.BHZ.00 2023-05-20T01:54:53.37 10.0 positive automatic P 321 1902.5067 -1.66679 0.869565
IU.FUNA.BHZ.00 2023-05-20T01:54:49.67 10.0 positive automatic P 30 1834.4637 2.38312 0.776699
AU.LHI.BHZ.00 2023-05-20T01:54:05.60 10.0 positive automatic P 228 1499.8431 -1.54466 0.987654
AU.NFK.BHZ.00 2023-05-20T01:52:31.28 10.0 positive automatic P 203 731.7786 -1.11068 0.877193
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