Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.4 on date 01-03-2023 and time 06:36:15 (Italy) in region Papua New Guinea [Sea]

A magnitude Mwp 6.4 earthquake occured in region: Papua New Guinea [Sea], on

  • 01-03-2023 05:36:15 (UTC)
  • 01-03-2023 06:36:15 (UTC +01:00) Italian time
  • 01-03-2023 15:36:15 (UTC +10:00) local time in the region of the earthquake (Pacific/Port_Moresby)

and geographic coordinates (lat, lon) -4.7740, 149.6040 at 593 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 5.6
Mwp 6.4
Mwpd 6.6 		2023-03-01
05:36:15		 -4.7742 149.604 593 2023-03-01
05:50:45		 Sala Sismica INGV-Roma 114906241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-01 05:36:15
Latitude -4.7742
Longitude 149.6040
Depth (km) 593 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 114906241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 12927
Semi-minor axis of confidence ellipse (meter) 3339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 10530.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 23.6186
Number of associated phases, regardless of their use for origin computation 143
Number of defining phases 143
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.21321
Epicentral distance of station closest to the epicenter (degree) 2.61760
Epicentral distance of station farthest from the epicenter (degree) 100.01359
Number of stations at which the event was observed 111
Number of stations from which data was used for origin computation 111
Magnitudes information

Mwpd:6.6

Field Value
Value 6.6
Uncertainty 0.2
Num. used stations 59
Type of magnitude Mwpd
Reference to an origin 114906241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-01 05:50:45

Mwp:6.4

Field Value
Value 6.4
Uncertainty 0.2
Num. used stations 66
Type of magnitude Mwp
Reference to an origin 114906241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-01 05:50:45

mb:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 88
Type of magnitude mb
Reference to an origin 114906241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-01 05:50:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.VOI.BHZ. 2023-03-01T05:48:56.15 10.0 positive automatic Pdiff 247 100.0136 -0.622426 0
US.MSO.BHZ.00 2023-03-01T05:48:51.65 10.0 positive automatic Pdiff 43 97.8906 4.29948 0
US.HLID.BHZ.00 2023-03-01T05:48:47.35 10.0 negative automatic Pdiff 47 97.6165 1.1283 0
US.ELK.BHZ.00 2023-03-01T05:48:44.43 10.0 positive automatic P 49 97.0142 0.807887 0.0510176
US.NEW.BHZ.00 2023-03-01T05:48:37.85 10.0 positive automatic PcP 42 95.7342 0.171057 0
US.BMO.BHZ.00 2023-03-01T05:48:36.80 10.0 negative automatic P 45 95.5498 -0.0694981 0.0585708
IU.YSS.BHZ.00 2023-03-01T05:48:33.80 10.0 positive automatic ScP 354 52.0834 2.08535 0
US.WVOR.BHZ.00 2023-03-01T05:48:32.75 10.0 positive automatic P 48 94.5119 0.530802 0.0332804
US.HAWA.BHZ.00 2023-03-01T05:48:31.20 10.0 negative automatic P 44 94.0456 1.26729 0.0653516
BK.CMB.BHZ.00 2023-03-01T05:48:25.67 10.0 positive automatic P 52 92.9429 0.705273 0.0750509
US.NLWA.BHZ.00 2023-03-01T05:48:19.43 10.0 positive automatic P 43 91.1643 2.6327 0.087354
CN.EAGLY.BHZ. 2023-03-01T05:48:01.60 10.0 negative automatic P 23 87.9323 -0.242171 0
CN.ATLI.BHZ. 2023-03-01T05:48:00.23 10.0 positive automatic P 30 87.4499 0.621275 0.0138813
US.WRAK.BHZ.00 2023-03-01T05:48:00.30 10.0 positive automatic P 33 87.4287 0.917398 0.111208
JP.JTU.BHZ. 2023-03-01T05:47:57.60 10.0 negative automatic ScP 336 43.6716 1.64613 0
NZ.KHZ.HHZ.10 2023-03-01T05:47:57.71 10.0 negative automatic ScP 154 43.2308 3.5673 0
AT.SKAG.BHZ. 2023-03-01T05:47:56.46 10.0 positive automatic P 29 86.6251 0.832908 0.114272
IU.MAJO.BHZ.00 2023-03-01T05:47:53.87 10.0 negative automatic ScP 346 42.6705 1.91438 0
JP.JGF.BHZ. 2023-03-01T05:47:51.70 10.0 positive automatic ScP 345 41.9816 2.48915 0
US.EGAK.BHZ.00 2023-03-01T05:47:51.05 10.0 negative automatic P 24 85.6811 -0.147569 0.123059
NZ.URZ.HHZ.10 2023-03-01T05:47:51.25 10.0 positive automatic ScP 147 41.7899 2.95324 0
G.INU.BHZ.00 2023-03-01T05:47:50.46 10.0 negative automatic ScP 345 41.8261 2.00885 0
G.ROCAM.BHZ.00 2023-03-01T05:47:48.95 10.0 positive automatic P 251 84.8478 1.79265 0.129589
JP.JMN.BHZ. 2023-03-01T05:47:48.90 10.0 negative automatic ScP 340 41.2761 2.53926 0
JP.JHJ2.BHZ. 2023-03-01T05:47:39.00 10.0 negative automatic ScP 347 39.0078 1.74285 0
NZ.OUZ.HHZ.10 2023-03-01T05:47:38.56 10.0 positive automatic ScP 147 37.6468 6.56112 0
IU.COLA.BHZ.00 2023-03-01T05:47:36.87 10.0 negative automatic P 22 83.1154 -1.80483 0.138858
II.AAK.BHZ.00 2023-03-01T05:47:35.92 10.0 negative automatic P 314 82.4107 0.521791 0.153215
II.KURK.BHZ.00 2023-03-01T05:47:31.85 10.0 negative automatic P 323 81.8806 -0.631145 0.159781
G.PAF.BHZ.00 2023-03-01T05:47:20.75 10.0 negative automatic P 221 79.4731 0.721147 0.175754
AT.TTA.BHZ. 2023-03-01T05:47:18.30 10.0 positive automatic P 22 79.0449 0.353354 0.185782
IU.MAKZ.BHZ.00 2023-03-01T05:47:15.27 10.0 positive automatic P 320 78.5215 0.163057 0.193667
GE.JAGI.BHZ. 2023-03-01T05:47:15.07 10.0 negative automatic S 262 35.3930 0.776666 0
IN.MNC.HHZ. 2023-03-01T05:47:10.70 10.0 positive automatic P 280 77.4353 1.5094 0.199737
II.KDAK.BHZ.00 2023-03-01T05:47:10.62 10.0 positive automatic P 28 77.7222 -0.138224 0.20169
GE.KAAM.BHZ. 2023-03-01T05:47:07.87 10.0 negative automatic P 272 76.6956 2.69065 0.193368
II.DGAR.BHZ.00 2023-03-01T05:47:07.87 10.0 positive automatic P 263 76.6707 2.82601 0.0236744
AU.ARMA.BHZ. 2023-03-01T05:46:55.97 10.0 positive automatic ScP 176 25.7140 4.45857 0
AK.GAMB.BHZ. 2023-03-01T05:46:53.31 10.0 negative automatic P 17 74.3898 0.87128 0.240413
ND.ONTNC.BHZ.00 2023-03-01T05:46:51.95 10.0 positive automatic ScP 139 23.9404 5.8147 0
IU.SBA.BHZ.00 2023-03-01T05:46:48.15 10.0 positive automatic P 176 73.6297 -0.0191613 0.189776
G.AIS.BHZ.00 2023-03-01T05:46:46.90 10.0 positive automatic P 232 72.9058 2.85513 0.247447
AU.QLP.BHZ. 2023-03-01T05:46:46.15 10.0 positive automatic ScP 193 22.4037 4.15036 0
GT.VNDA.BHZ.00 2023-03-01T05:46:44.28 10.0 negative automatic P 177 73.0338 -0.514153 0.25203
GE.FAKI.BHZ. 2023-03-01T05:46:33.37 10.0 negative automatic ScP 275 17.4131 3.30358 0
G.TAOE.BHZ.00 2023-03-01T05:46:28.94 10.0 positive automatic P 98 69.7803 2.95007 0.283344
GE.MALK.BHZ. 2023-03-01T05:46:28.77 10.0 positive automatic P 281 70.1105 0.946525 0.272939
II.PALK.BHZ.00 2023-03-01T05:46:27.15 10.0 positive automatic P 280 69.7969 1.11457 0.279816
GE.HALK.BHZ. 2023-03-01T05:46:27.35 10.0 positive automatic P 278 69.6611 2.18734 0.284762
AT.AKUT.BHZ. 2023-03-01T05:46:24.64 10.0 negative automatic P 26 69.6265 -0.301177 0.290711
IU.YAK.BHZ.00 2023-03-01T05:46:17.32 10.0 positive automatic P 350 68.5349 -1.11038 0.232031
IU.CASY.BHZ.00 2023-03-01T05:46:09.07 10.0 negative automatic P 196 67.2016 -1.2568 0.314792
IU.ULN.BHZ.00 2023-03-01T05:45:53.12 10.0 positive automatic P 330 64.4797 -0.6003 0.358312
IU.MA2.BHZ.00 2023-03-01T05:45:51.87 10.0 positive automatic P 1 64.3537 -0.837289 0.343272
IN.SHL.HHZ. 2023-03-01T05:45:48.46 10.0 positive automatic P 302 63.6504 0.26153 0.336752
IU.ADK.BHZ.00 2023-03-01T05:45:46.00 10.0 positive automatic P 23 63.4961 -0.243834 0.367249
G.PPTF.BHZ.00 2023-03-01T05:45:33.50 10.0 positive automatic P 108 60.7788 3.71006 0.382114
IU.POHA.BHZ.00 2023-03-01T05:45:21.57 10.0 positive automatic P 64 59.2247 1.81629 0.328646
G.KIP.BHZ.00 2023-03-01T05:45:11.17 10.0 positive automatic P 61 57.5974 2.65967 0.446472
IU.CHTO.BHZ.00 2023-03-01T05:44:52.72 10.0 positive automatic P 297 55.1684 0.793359 0.489235
GE.LHMI.BHZ. 2023-03-01T05:44:41.57 10.0 positive automatic P 280 53.5289 1.17584 0.411255
II.COCO.BHZ.00 2023-03-01T05:44:37.02 10.0 positive automatic P 258 52.6313 2.97703 0.499763
GE.GSI.BHZ. 2023-03-01T05:44:32.52 10.0 positive automatic P 275 52.3298 0.607779 0.482487
RM.SLV.BHZ. 2023-03-01T05:44:30.77 10.0 positive automatic P 302 51.8199 2.40651 0.536739
IU.YSS.BHZ.00 2023-03-01T05:44:29.25 10.0 positive automatic P 354 52.0834 -0.917219 0.486142
IU.RAR.BHZ.00 2023-03-01T05:44:29.10 10.0 negative automatic P 113 51.7180 1.56669 0.491587
AU.MCQ.BHZ.00 2023-03-01T05:44:16.98 10.0 positive automatic P 173 50.2974 -0.294802 0.542534
MY.KUM.BHZ. 2023-03-01T05:44:14.47 10.0 positive automatic P 281 49.9133 -0.0168553 0.582212
MY.IPM.BHZ. 2023-03-01T05:44:10.82 10.0 positive automatic P 280 49.3970 0.0820389 0.577066
IU.INCN.BHZ.00 2023-03-01T05:43:55.47 10.0 negative automatic P 335 47.3541 -0.1261 0.584377
II.ERM.BHZ.00 2023-03-01T05:43:54.12 10.0 positive automatic P 353 47.1541 0.0253003 0.284169
MY.KOM.BHZ. 2023-03-01T05:43:47.62 10.0 positive automatic P 277 46.1826 0.820067 0.632822
JP.JTM.BHZ. 2023-03-01T05:43:45.80 10.0 positive automatic P 351 46.2291 -1.36246 0.631999
NZ.ODZ.HHZ.10 2023-03-01T05:43:31.95 10.0 negative automatic P 159 44.2676 -0.315344 0.642774
JP.JTU.BHZ. 2023-03-01T05:43:27.30 10.0 positive automatic P 336 43.6716 -0.342913 0.4382
NZ.KHZ.HHZ.10 2023-03-01T05:43:22.79 10.0 positive automatic P 154 43.2308 -1.44748 0.699614
IU.SNZO.BHZ.00 2023-03-01T05:43:20.55 10.0 positive automatic P 152 42.8757 -0.946407 0.692866
IU.MAJO.BHZ.00 2023-03-01T05:43:18.27 10.0 positive automatic P 346 42.6705 -1.68062 0.636099
JP.JGF.BHZ. 2023-03-01T05:43:13.25 10.0 positive automatic P 345 41.9816 -1.34951 0.662261
NZ.URZ.HHZ.10 2023-03-01T05:43:13.03 10.0 negative automatic P 147 41.7899 0.0203853 0.73415
G.INU.BHZ.00 2023-03-01T05:43:12.41 10.0 positive automatic P 345 41.8261 -0.889868 0.695923
GE.BNDI.BHZ. 2023-03-01T05:43:12.32 10.0 positive automatic S 270 19.6347 1.80502 0
JP.JMN.BHZ. 2023-03-01T05:43:08.60 10.0 positive automatic P 340 41.2761 -0.452866 0.722885
IU.NWAO.BHZ.00 2023-03-01T05:43:06.02 10.0 positive automatic P 223 41.2560 -2.84638 0.723267
JP.JSG.BHZ. 2023-03-01T05:43:05.25 10.0 positive automatic P 346 40.8914 -0.692927 0.666705
JP.JSU.BHZ. 2023-03-01T05:43:02.90 10.0 positive automatic P 335 40.6152 -0.911599 0.71837
IU.TATO.BHZ.00 2023-03-01T05:43:01.72 10.0 positive automatic P 319 40.3851 -0.225644 0.722676
AU.KDU.BHZ.00 2023-03-01T05:42:59.18 10.0 positive automatic S 244 18.6751 3.94241 0
AU.MORW.BHZ. 2023-03-01T05:42:57.17 10.0 negative automatic P 229 39.9819 -1.59297 0.765874
GE.SMRI.BHZ. 2023-03-01T05:42:53.57 10.0 negative automatic P 265 39.0086 2.60701 0.73169
JP.YOJ.BHZ. 2023-03-01T05:42:51.25 10.0 positive automatic P 320 39.0466 0.00753001 0.699199
JP.JHJ2.BHZ. 2023-03-01T05:42:48.95 10.0 positive automatic P 347 39.0078 -1.98597 0.766547
AU.GIRL.BHZ.00 2023-03-01T05:42:47.28 10.0 positive automatic P 239 38.5532 -0.0146772 0.794364
II.TAU.BHZ.00 2023-03-01T05:42:44.07 10.0 negative automatic P 183 38.1877 -0.274638 0.782647
NZ.OUZ.HHZ.10 2023-03-01T05:42:41.65 10.0 positive automatic P 147 37.6468 1.69967 0.816692
JP.JOW.BHZ. 2023-03-01T05:42:41.00 10.0 positive automatic P 328 37.7459 0.217025 0.810693
JP.JMZ.BHZ. 2023-03-01T05:42:21.40 10.0 positive automatic P 331 35.4079 -0.22915 0.838467
GE.JAGI.BHZ. 2023-03-01T05:42:20.02 10.0 positive automatic P 262 35.3930 -1.50807 0.859228
MY.KKM.BHZ. 2023-03-01T05:42:18.92 10.0 positive automatic P 288 35.0471 0.138486 0.845854
IU.MBWA.BHZ.00 2023-03-01T05:42:02.70 10.0 negative automatic P 238 33.2877 -1.31602 0.892965
AU.TOO.BHZ.00 2023-03-01T05:42:01.25 10.0 negative automatic P 186 33.0103 -0.501857 0.909818
AU.FORT.BHZ.00 2023-03-01T05:41:59.68 10.0 negative automatic P 215 32.9704 -1.66672 0.83905
AU.MILA.BHZ.00 2023-03-01T05:41:55.15 10.0 positive automatic P 181 32.2817 -0.495066 0.89291
G.CAN.BHZ.00 2023-03-01T05:41:40.40 10.0 negative automatic P 181 30.5484 -0.500193 0.918792
AU.NFK.BHZ.00 2023-03-01T05:41:35.62 10.0 negative automatic P 146 29.8412 0.861654 0.328947
II.KAPI.BHZ.00 2023-03-01T05:41:34.72 10.0 negative automatic P 268 29.7405 0.810675 0.952381
AU.RIV.BHZ. 2023-03-01T05:41:28.35 10.0 positive automatic P 177 29.0898 0.0862373 0.930233
AU.WRKA.BHZ.00 2023-03-01T05:41:24.35 10.0 negative automatic P 223 28.7886 -1.41124 0.97561
GE.MMRI.BHZ. 2023-03-01T05:41:14.02 10.0 negative automatic P 260 27.4420 0.0305892 0.43956
GE.LUWI.BHZ. 2023-03-01T05:41:11.47 10.0 positive automatic P 277 27.0497 0.925011 0.952381
AU.FITZ.BHZ. 2023-03-01T05:41:08.50 10.0 negative automatic P 238 26.9475 -1.16892 0.963855
IU.DAV.BHZ.00 2023-03-01T05:41:08.72 10.0 positive automatic P 296 26.7415 0.846016 0.888889
AU.ARMA.BHZ. 2023-03-01T05:40:59.10 10.0 negative automatic P 176 25.7140 0.0709089 0.97561
GE.SANI.BHZ. 2023-03-01T05:40:41.67 10.0 positive automatic P 276 23.7270 0.355498 0
ND.ONTNC.BHZ.00 2023-03-01T05:40:42.50 10.0 positive automatic P 139 23.9404 -0.713815 0.909091
GE.TNTI.BHZ. 2023-03-01T05:40:34.22 10.0 positive automatic P 283 22.8956 0.270625 0.869565
AU.QLP.BHZ. 2023-03-01T05:40:28.82 10.0 positive automatic P 193 22.4037 -0.79027 0.987654
ND.KOUNC.BHZ.00 2023-03-01T05:40:20.95 10.0 positive automatic P 139 21.2724 1.44892 0.952381
AU.EIDS.BHZ. 2023-03-01T05:40:13.20 10.0 negative automatic P 176 20.6427 -0.683309 0.97561
AU.MTN.BHZ.00 2023-03-01T05:40:07.70 10.0 negative automatic P 245 19.9400 0.167453 0.952381
GE.BNDI.BHZ. 2023-03-01T05:40:05.02 10.0 negative automatic P 270 19.6347 0.26575 0.888889
IU.GUMO.BHZ.00 2023-03-01T05:39:58.42 10.0 negative automatic P 346 18.9549 -0.200129 0.963855
AU.KDU.BHZ.00 2023-03-01T05:39:55.55 10.0 negative automatic P 244 18.6751 -0.512365 0.97561
GE.FAKI.BHZ. 2023-03-01T05:39:44.52 10.0 positive automatic P 275 17.4131 -0.0673923 0.97561
IU.CTAO.BHZ.00 2023-03-01T05:39:28.67 10.0 negative automatic P 192 15.6564 0.123339 0.987654
IU.HNR.BHZ.00 2023-03-01T05:38:44.30 10.0 positive automatic P 115 11.2709 -1.07154 0.43956
GE.PMG.BHZ.00 2023-03-01T05:37:49.82 10.0 positive automatic P 208 5.2334 1.47362 0.930233
AU.RABL.BHZ.00 2023-03-01T05:37:30.48 10.0 negative automatic P 77 2.6176 -0.0857533 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