Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.1 on date 31-03-2022 and time 03:06:48 (UTC) in region New Caledonia [Sea]

A magnitude Mwp 6.1 earthquake occured in region: New Caledonia [Sea], on

  • 31-03-2022 03:06:48 (UTC)
  • 31-03-2022 05:06:48 (UTC +02:00) Italian time
  • 31-03-2022 14:06:48 (UTC +11:00) local time in the region of the earthquake (Pacific/Noumea)

and geographic coordinates (lat, lon) -22.3590, 170.2480 at 9 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 6.1
Mwpd 6.2 		2022-03-31
03:06:48		 -22.3594 170.248 9 2022-03-31
03:22:48		 Sala Sismica INGV-Roma 102596851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-31 03:06:48
Latitude -22.3594
Longitude 170.2480
Depth (km) 9 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 102596851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13895
Semi-minor axis of confidence ellipse (meter) 12777
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 12385.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94.5199
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.72997
Epicentral distance of station closest to the epicenter (degree) 6.99936
Epicentral distance of station farthest from the epicenter (degree) 73.38197
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

Mwpd:6.2

Field Value
Value 6.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude Mwpd
Reference to an origin 102596851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-31 03:22:48

Mwp:6.1

Field Value
Value 6.1
Uncertainty 0.1
Num. used stations 11
Type of magnitude Mwp
Reference to an origin 102596851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-31 03:22:48

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 24
Type of magnitude mb
Reference to an origin 102596851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-31 03:22:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MY.KUM.BHZ. 2022-03-31T03:18:19.17 10.0 positive automatic P 283 8145.402 -0.0428868 0
JP.JKA.BHZ. 2022-03-31T03:18:03.40 10.0 positive automatic PcP 338 7600.1256 -11.2386 0
JP.JMN.BHZ. 2022-03-31T03:17:31.35 10.0 positive automatic P 327 7316.5872 -1.89815 0.323775
JP.JSU.BHZ. 2022-03-31T03:17:31.25 10.0 positive automatic P 323 7323.9798 -2.40034 0.301879
JP.YOJ.BHZ. 2022-03-31T03:17:29.60 10.0 positive automatic P 313 7275.1731 -1.14876 0.217297
G.INU.BHZ.00 2022-03-31T03:17:29.26 10.0 positive automatic P 331 7296.3408 -2.73971 0.333831
JP.JOW.BHZ. 2022-03-31T03:17:18.25 10.0 positive automatic P 318 7079.7021 -1.03376 0.301945
IU.CASY.BHZ.00 2022-03-31T03:16:36.67 10.0 negative automatic P 204 6392.712 -0.395371 0.426682
GT.VNDA.BHZ.00 2022-03-31T03:16:22.55 10.0 positive automatic P 182 6138.8439 1.76213 0.476093
GE.JAGI.BHZ. 2022-03-31T03:16:21.62 10.0 negative automatic P 275 6161.2548 -0.630864 0.467509
AU.MORW.BHZ. 2022-03-31T03:15:37.07 10.0 positive automatic P 250 5425.9797 4.04995 0.572692
IU.NWAO.BHZ.00 2022-03-31T03:15:24.72 10.0 positive automatic P 245 5287.2741 1.33698 0.59373
GE.SANI.BHZ. 2022-03-31T03:15:22.02 10.0 positive automatic P 289 5272.8885 -0.296874 0.595934
IU.MBWA.BHZ.00 2022-03-31T03:15:15.27 10.0 positive automatic P 261 5184.3549 -0.850197 0.609585
GE.FAKI.BHZ. 2022-03-31T03:14:34.57 10.0 positive automatic P 292 4623.1056 -1.0141 0.640176
AU.FORT.BHZ.00 2022-03-31T03:14:09.88 10.0 negative automatic P 248 4265.4192 1.04469 0.77852
AU.MTN.BHZ.00 2022-03-31T03:14:08.48 10.0 positive automatic P 278 4257.4827 0.249437 0.779926
AU.WRKA.BHZ.00 2022-03-31T03:14:07.43 10.0 negative automatic P 257 4257.4716 -0.882656 0.77993
AU.KDU.BHZ.00 2022-03-31T03:13:58.20 10.0 positive automatic P 279 4127.3019 -0.0944588 0.822793
II.WRAB.BHZ.00 2022-03-31T03:13:25.50 10.0 negative automatic P 267 3716.3355 -0.993604 0.900364
AU.HTT.BHZ. 2022-03-31T03:12:53.00 10.0 negative automatic P 241 3293.4255 0.961707 0.952381
AU.TOO.BHZ.00 2022-03-31T03:12:24.53 10.0 negative automatic P 229 2903.2827 2.94132 0.963855
AU.QLP.BHZ. 2022-03-31T03:12:02.20 10.0 negative automatic P 255 2664.5994 0.234196 0.952381
IU.CTAO.BHZ.00 2022-03-31T03:11:47.52 10.0 positive automatic P 271 2492.6493 1.22909 0.91954
NZ.KHZ.HHZ.10 2022-03-31T03:11:21.12 10.0 negative automatic P 173 2246.973 -1.30014 0.49505
IU.SNZO.BHZ.00 2022-03-31T03:11:10.00 10.0 negative automatic P 170 2144.0316 -1.31456 0.610687
IU.AFI.BHZ.00 2022-03-31T03:11:08.67 10.0 negative automatic P 67 2112.5964 -0.635184 0.941176
AU.EIDS.BHZ. 2022-03-31T03:10:57.27 10.0 negative automatic P 256 1972.1259 2.76514 0.43956
NZ.URZ.HHZ.10 2022-03-31T03:10:43.93 10.0 negative automatic P 161 1882.005 -0.433901 0.947867
IU.HNR.BHZ.00 2022-03-31T03:10:34.75 10.0 positive automatic P 321 1805.3151 -0.854053 0.610687
NZ.OUZ.HHZ.10 2022-03-31T03:09:53.09 10.0 negative automatic P 168 1464.0123 -1.31583 0.952381
II.MSVF.BHZ.00 2022-03-31T03:08:55.07 10.0 negative automatic P 59 961.2267 2.53206 0.952381
G.SANVU.BHZ.00 2022-03-31T03:08:35.60 10.0 positive automatic P 337 831.0792 -0.721403 0.909091
AU.NFK.BHZ.00 2022-03-31T03:08:26.90 10.0 negative automatic P 197 776.9334 -2.74757 0.917431
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