Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.8 on date 23-03-2023 and time 01:17:39 (Italy) in region Near north coast of New Guinea, Papua New Guinea [Land: Papua New Guinea]

A magnitude Mwp 5.8 earthquake occured in region: Near north coast of New Guinea, Papua New Guinea [Land: Papua New Guinea], on

  • 23-03-2023 00:17:39 (UTC)
  • 23-03-2023 01:17:39 (UTC +01:00) Italian time
  • 23-03-2023 09:17:39 (UTC +09:00) local time in the region of the earthquake (Asia/Jayapura)

and geographic coordinates (lat, lon) -4.4370, 144.2320 at 120 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 5.3
Mwp 5.8
Mwpd 6.0 		2023-03-23
00:17:39		 -4.4367 144.232 120 2023-03-23
00:31:36		 Sala Sismica INGV-Roma 115644851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-23 00:17:39
Latitude -4.4367
Longitude 144.2320
Depth (km) 120 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115644851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13256
Semi-minor axis of confidence ellipse (meter) 1688
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 10737.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91.8957
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.10007
Epicentral distance of station closest to the epicenter (degree) 5.75590
Epicentral distance of station farthest from the epicenter (degree) 79.90808
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 44
Magnitudes information

Mwp:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 13
Type of magnitude Mwp
Reference to an origin 115644851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-23 00:31:36

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.3
Num. used stations 7
Type of magnitude Mwpd
Reference to an origin 115644851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-23 00:31:36

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 31
Type of magnitude mb
Reference to an origin 115644851
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-23 00:31:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
G.ROCAM.BHZ.00 2023-03-23T00:29:37.05 10.0 positive automatic P 251 79.9081 2.79529 0.180135
IU.FUNA.BHZ.00 2023-03-23T00:29:36.82 10.0 positive automatic S 99 34.9647 -4.27885 0
IU.SBA.BHZ.00 2023-03-23T00:29:03.85 10.0 positive automatic P 175 74.3640 0.56946 0.226146
GT.VNDA.BHZ.00 2023-03-23T00:28:58.63 10.0 positive automatic P 176 73.6819 -0.701019 0.0743277
IU.CASY.BHZ.00 2023-03-23T00:28:12.22 10.0 positive automatic P 194 66.1366 -0.947518 0.328263
IO.EVN.BHZ. 2023-03-23T00:28:01.25 10.0 positive automatic P 304 64.0253 0.868146 0.355802
IU.ULN.BHZ.00 2023-03-23T00:27:43.47 10.0 positive automatic P 333 61.6017 -0.269921 0.38878
IU.CHTO.BHZ.00 2023-03-23T00:26:24.15 10.0 positive automatic P 299 50.2795 1.22964 0.549134
JP.JKA.BHZ. 2023-03-23T00:26:08.50 10.0 positive automatic pP 358 45.5782 -5.66531 0
GE.GSI.BHZ. 2023-03-23T00:25:57.57 10.0 negative automatic P 276 46.9683 0.0431607 0.618956
NZ.KHZ.HHZ.10 2023-03-23T00:25:49.66 10.0 negative automatic P 150 46.0484 -0.684182 0.632197
NZ.URZ.HHZ.10 2023-03-23T00:25:43.25 10.0 positive automatic P 143 45.1388 0.0603596 0.657744
JP.JTM.BHZ. 2023-03-23T00:25:42.70 10.0 positive automatic P 357 45.3172 -1.9049 0.633196
NZ.OUZ.HHZ.10 2023-03-23T00:25:11.10 10.0 positive automatic P 142 41.0194 1.05802 0.731244
JP.JGF.BHZ. 2023-03-23T00:25:04.10 10.0 negative automatic P 351 40.5557 -2.23119 0.754579
JP.JMN.BHZ. 2023-03-23T00:24:55.40 10.0 positive automatic P 346 39.4019 -1.3945 0.741221
II.TAU.BHZ.00 2023-03-23T00:24:49.92 10.0 positive automatic P 176 38.5690 0.13259 0.77514
IU.NWAO.BHZ.00 2023-03-23T00:24:47.12 10.0 positive automatic P 218 38.0246 1.84405 0.795337
IU.TATO.BHZ.00 2023-03-23T00:24:35.62 10.0 negative automatic P 324 36.7818 0.863183 0.810638
AU.MORW.BHZ. 2023-03-23T00:24:31.10 10.0 positive automatic P 224 36.3269 0.172557 0.810156
AU.TOO.BHZ.00 2023-03-23T00:24:03.73 10.0 positive automatic P 178 33.1532 0.0367177 0.874741
G.CAN.BHZ.00 2023-03-23T00:23:46.20 10.0 positive automatic P 172 31.1929 -0.369086 0.926773
AU.FORT.BHZ.00 2023-03-23T00:23:39.75 10.0 positive automatic P 208 30.4274 0.0109693 0.954652
GE.JAGI.BHZ. 2023-03-23T00:23:35.22 10.0 negative automatic P 261 30.1482 -2.05884 0.752312
IU.MBWA.BHZ.00 2023-03-23T00:23:28.22 10.0 negative automatic P 233 29.0732 0.435556 0.97561
AU.ARMA.BHZ. 2023-03-23T00:23:08.37 10.0 positive automatic P 166 26.9011 -0.251929 0.97561
AU.WRKA.BHZ.00 2023-03-23T00:22:57.33 10.0 positive automatic P 215 25.6642 -0.0878738 0.97561
ND.KOUNC.BHZ.00 2023-03-23T00:22:53.85 10.0 positive automatic P 131 25.2953 -0.139636 0.930233
G.SANVU.BHZ.00 2023-03-23T00:22:51.70 10.0 positive automatic P 118 25.1234 -0.727982 0.615385
II.KAPI.BHZ.00 2023-03-23T00:22:47.02 10.0 negative automatic P 268 24.4015 1.09754 0.898876
AU.QLP.BHZ. 2023-03-23T00:22:24.40 10.0 positive automatic P 180 22.1460 -0.321794 0.97561
GE.MMRI.BHZ. 2023-03-23T00:22:24.07 10.0 positive automatic P 258 22.2435 -1.66325 0.740741
AU.EIDS.BHZ. 2023-03-23T00:22:22.67 10.0 positive automatic P 163 21.9394 0.131602 0.869565
GE.LUWI.BHZ. 2023-03-23T00:22:21.07 10.0 negative automatic P 278 21.6986 1.11167 0.888889
GE.SOEI.BHZ. 2023-03-23T00:22:08.27 10.0 negative automatic P 254 20.5038 0.868737 0.666667
GE.SANI.BHZ. 2023-03-23T00:21:44.97 10.0 positive automatic P 277 18.3681 0.893268 0.930233
GE.TNTI.BHZ. 2023-03-23T00:21:37.97 10.0 negative automatic P 287 17.6366 1.90071 0.816327
IU.CTAO.BHZ.00 2023-03-23T00:21:14.55 10.0 positive automatic P 173 15.7742 0.39651 0.727273
AU.MTN.BHZ.00 2023-03-23T00:21:09.20 10.0 negative automatic P 236 15.4284 -0.611171 0.833333
GE.BNDI.BHZ. 2023-03-23T00:20:55.17 10.0 positive automatic P 269 14.2832 -0.201382 0.909091
AU.KDU.BHZ.00 2023-03-23T00:20:53.88 10.0 positive automatic P 234 14.2480 -1.05367 0.869565
GE.FAKI.BHZ. 2023-03-23T00:20:25.22 10.0 negative automatic P 277 12.0534 -1.2649 0.754717
AU.RABL.BHZ.00 2023-03-23T00:19:32.75 10.0 positive automatic P 89 7.9126 1.74082 0.888889
GE.PMG.BHZ.00 2023-03-23T00:19:01.27 10.0 negative automatic P 150 5.7559 -0.534568 0.909091
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