Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.9 on date 08-03-2023 and time 08:33:11 (Italy) in region Papua New Guinea [Sea]

A magnitude Mwp 5.9 earthquake occured in region: Papua New Guinea [Sea], on

  • 08-03-2023 07:33:11 (UTC)
  • 08-03-2023 08:33:11 (UTC +01:00) Italian time
  • 08-03-2023 18:33:11 (UTC +11:00) local time in the region of the earthquake (Pacific/Bougainville)

and geographic coordinates (lat, lon) -6.5040, 154.9760 at 70 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 5.4
Mwp 5.9
Mwpd 6.0 		2023-03-08
07:33:11		 -6.5039 154.976 70 2023-03-08
07:54:41		 Sala Sismica INGV-Roma 115092961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-08 07:33:11
Latitude -6.5039
Longitude 154.9760
Depth (km) 70 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115092961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 12040
Semi-minor axis of confidence ellipse (meter) 2701
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 9782.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60.6399
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 69
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.13837
Epicentral distance of station closest to the epicenter (degree) 3.63124
Epicentral distance of station farthest from the epicenter (degree) 86.02461
Number of stations at which the event was observed 66
Number of stations from which data was used for origin computation 66
Magnitudes information

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.2
Num. used stations 15
Type of magnitude Mwpd
Reference to an origin 115092961
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-08 07:54:41

Mwp:5.9

Field Value
Value 5.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude Mwp
Reference to an origin 115092961
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-08 07:54:41

mb:5.4

Field Value
Value 5.4
Uncertainty 0.2
Num. used stations 47
Type of magnitude mb
Reference to an origin 115092961
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-08 07:54:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
US.WRAK.BHZ.00 2023-03-08T07:45:43.95 10.0 positive automatic P 32 86.0246 0.936617 0.11768
US.EGAK.BHZ.00 2023-03-08T07:45:39.40 10.0 positive automatic P 23 85.1765 0.556898 0.11871
GE.HMDM.BHZ. 2023-03-08T07:45:28.37 10.0 positive automatic P 278 82.6729 2.32133 0
IU.COLA.BHZ.00 2023-03-08T07:45:25.32 10.0 positive automatic P 21 82.7454 -1.1399 0.137237
II.KDAK.BHZ.00 2023-03-08T07:44:54.65 10.0 positive automatic P 26 76.8723 -0.0563457 0.20539
GE.MALK.BHZ. 2023-03-08T07:44:49.92 10.0 positive automatic P 280 75.6828 1.95933 0.217592
II.PALK.BHZ.00 2023-03-08T07:44:47.00 10.0 positive automatic P 279 75.3538 1.85954 0.22642
GE.HALK.BHZ. 2023-03-08T07:44:46.80 10.0 positive automatic P 278 75.1988 1.61623 0.212536
AK.GAMB.BHZ. 2023-03-08T07:44:41.89 10.0 positive automatic P 15 74.6146 0.0847331 0.226689
IU.SBA.BHZ.00 2023-03-08T07:44:25.07 10.0 positive automatic P 177 71.6083 0.991568 0.247332
GT.VNDA.BHZ.00 2023-03-08T07:44:21.08 10.0 positive automatic P 178 71.1039 0.0228052 0.133923
IU.YAK.BHZ.00 2023-03-08T07:44:20.92 10.0 positive automatic P 348 71.2580 -1.05657 0.253976
IN.SHL.HHZ. 2023-03-08T07:44:09.48 10.0 positive automatic P 301 69.1210 0.580662 0.271813
IU.ULN.BHZ.00 2023-03-08T07:44:06.72 10.0 positive automatic P 328 68.7317 -0.043264 0.289051
IU.MA2.BHZ.00 2023-03-08T07:43:48.87 10.0 positive automatic P 358 66.1615 -1.45119 0.299427
IU.ADK.BHZ.00 2023-03-08T07:43:30.55 10.0 positive automatic P 19 63.2096 -0.529791 0.371155
AT.SMY.BHZ. 2023-03-08T07:43:19.20 10.0 negative automatic P 13 61.4225 0.0717747 0.383964
IU.CHTO.BHZ.00 2023-03-08T07:43:15.00 10.0 positive automatic P 296 60.7257 1.51947 0.40106
GE.GSI.BHZ. 2023-03-08T07:42:54.17 10.0 positive automatic P 276 57.8173 -0.185014 0.423054
RM.SLV.BHZ. 2023-03-08T07:42:53.77 10.0 positive automatic P 301 57.2867 3.04854 0.440623
MY.KUM.BHZ. 2023-03-08T07:42:38.42 10.0 positive automatic P 281 55.4911 0.563493 0.478419
IU.POHA.BHZ.00 2023-03-08T07:42:38.25 10.0 negative automatic P 60 55.3103 1.35098 0.470022
MY.IPM.BHZ. 2023-03-08T07:42:34.87 10.0 positive automatic P 280 54.9633 0.775447 0.486597
IU.YSS.BHZ.00 2023-03-08T07:42:30.30 10.0 negative automatic P 350 54.5475 -0.769259 0.493088
JP.JKA.BHZ. 2023-03-08T07:42:11.00 10.0 negative automatic sP 348 48.9569 -2.90097 0
MY.KOM.BHZ. 2023-03-08T07:42:11.42 10.0 positive automatic P 277 51.7048 1.25014 0.538621
IU.INCN.BHZ.00 2023-03-08T07:42:06.52 10.0 positive automatic P 331 51.3166 -0.750153 0.544996
JP.JTM.BHZ. 2023-03-08T07:41:48.60 10.0 positive automatic P 346 48.9885 -1.08046 0.584008
IU.MAJO.BHZ.00 2023-03-08T07:41:22.42 10.0 positive automatic P 341 45.8265 -2.77316 0.624294
JP.JGF.BHZ. 2023-03-08T07:41:19.60 10.0 positive automatic P 340 45.2510 -1.07738 0.606164
JP.JMN.BHZ. 2023-03-08T07:41:16.05 10.0 positive automatic P 335 44.9256 -2.04367 0.561707
JP.YOJ.BHZ. 2023-03-08T07:41:10.35 10.0 positive automatic P 316 43.9182 0.376094 0.673644
IU.NWAO.BHZ.00 2023-03-08T07:41:09.00 10.0 positive automatic P 228 43.8536 0.477728 0.659133
AU.MORW.BHZ. 2023-03-08T07:41:02.90 10.0 positive automatic P 234 43.0668 -0.273802 0.673291
AU.GIRL.BHZ.00 2023-03-08T07:40:58.95 10.0 positive automatic P 243 42.4056 1.16256 0.662204
JP.JOW.BHZ. 2023-03-08T07:40:56.00 10.0 positive automatic P 323 42.1926 -0.0801863 0.689198
NZ.ODZ.HHZ.10 2023-03-08T07:40:44.20 10.0 positive automatic P 163 40.8780 -1.13662 0.74464
GE.JAGI.BHZ. 2023-03-08T07:40:41.27 10.0 positive automatic P 265 40.5042 -0.967757 0.7376
NZ.KHZ.HHZ.10 2023-03-08T07:40:31.83 10.0 positive automatic P 158 39.4865 -1.96061 0.729438
NZ.URZ.HHZ.10 2023-03-08T07:40:16.99 10.0 positive automatic P 151 37.5500 -0.577835 0.78408
II.TAU.BHZ.00 2023-03-08T07:40:13.92 10.0 positive automatic P 189 37.0260 0.77865 0.769118
IU.MBWA.BHZ.00 2023-03-08T07:40:13.72 10.0 positive automatic P 243 37.0948 -0.0107132 0.823983
II.KAPI.BHZ.00 2023-03-08T07:39:57.65 10.0 positive automatic P 271 35.0696 1.184 0.81624
AU.FORT.BHZ.00 2023-03-08T07:39:55.00 10.0 positive automatic P 223 35.0032 -0.865506 0.799185
NZ.OUZ.HHZ.10 2023-03-08T07:39:42.50 10.0 positive automatic P 152 33.4320 0.244571 0.879313
AU.TOO.BHZ.00 2023-03-08T07:39:31.78 10.0 negative automatic P 194 32.2415 -0.183299 0.873206
AU.WRKA.BHZ.00 2023-03-08T07:39:25.15 10.0 positive automatic P 231 31.5366 -0.627327 0.930486
GE.SANI.BHZ. 2023-03-08T07:39:06.27 10.0 positive automatic P 277 29.2377 0.884734 0.952381
G.CAN.BHZ.00 2023-03-08T07:39:06.20 10.0 negative automatic P 190 29.3336 -0.14724 0.869565
AU.RIV.BHZ. 2023-03-08T07:38:50.45 10.0 negative automatic P 187 27.5520 0.0507635 0.909091
AU.MTN.BHZ.00 2023-03-08T07:38:22.08 10.0 positive automatic P 253 24.3256 0.793497 0.860215
AU.ARMA.BHZ. 2023-03-08T07:38:19.05 10.0 positive automatic P 187 24.1190 -0.517311 0.243902
AU.KDU.BHZ.00 2023-03-08T07:38:10.40 10.0 positive automatic P 253 23.0174 1.15804 0.952381
GE.FAKI.BHZ. 2023-03-08T07:38:08.52 10.0 positive automatic P 278 22.9263 0.209582 0.909091
AU.QLP.BHZ. 2023-03-08T07:38:03.30 10.0 positive automatic P 206 22.5335 -0.89412 0.869565
IU.GUMO.BHZ.00 2023-03-08T07:38:02.47 10.0 negative automatic P 333 22.4589 -0.924563 0.909091
II.KWJN.BHZ.00 2023-03-08T07:37:41.90 10.0 negative automatic P 39 20.1497 3.24387 0.909091
ND.MARNC.BHZ.00 2023-03-08T07:37:32.05 10.0 positive automatic P 141 19.5859 -0.492007 0.851064
AU.EIDS.BHZ. 2023-03-08T07:37:28.40 10.0 negative automatic P 191 19.2283 -0.277627 0.909091
ND.ONTNC.BHZ.00 2023-03-08T07:37:28.75 10.0 positive automatic P 146 19.2961 -0.643945 0.869565
ND.KOUNC.BHZ.00 2023-03-08T07:37:02.05 10.0 negative automatic P 148 16.6954 2.50712 0
IU.CTAO.BHZ.00 2023-03-08T07:36:50.35 10.0 negative automatic P 211 16.0046 -0.617635 0.952381
G.SANVU.BHZ.00 2023-03-08T07:36:38.30 10.0 positive automatic P 128 14.9568 0.728396 0.310078
GE.PMG.BHZ.00 2023-03-08T07:35:07.02 10.0 negative automatic P 249 8.2722 -0.336856 0.952381
IU.HNR.BHZ.00 2023-03-08T07:34:33.15 10.0 negative automatic P 121 5.7312 0.520589 0.833333
AU.RABL.BHZ.00 2023-03-08T07:34:03.88 10.0 positive automatic P 309 3.6312 -0.0934357 0.754717
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