Earthquake with magnitude of mb 5.5 on date 21-05-2023 and time 17:45:13 (Italy) in region Solomon Is. [Land]

A magnitude mb 5.5 earthquake occured in region: Solomon Is. [Land], on

  • 21-05-2023 15:45:13 (UTC)
  • 21-05-2023 17:45:13 (UTC +02:00) Italian time
  • 22-05-2023 02:45:13 (UTC +11:00) local time in the region of the earthquake (Pacific/Guadalcanal)

and geographic coordinates (lat, lon) -10.2410, 161.4620 at 78 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 5.5
Mwp 7.1
Mwpd 7.1
2023-05-21
15:45:13
-10.241 161.462 78 2023-05-21
16:13:35
Sala Sismica INGV-Roma 117560761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-21 15:45:13
Latitude -10.2410
Longitude 161.4620
Depth (km) 78 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 117560761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8539128
Semi-minor axis of confidence ellipse (meter) 6565190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 7985320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34.6495
Number of associated phases, regardless of their use for origin computation 130
Number of defining phases 130
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8023
Epicentral distance of station closest to the epicenter (degree) 1.69425
Epicentral distance of station farthest from the epicenter (degree) 120.66768
Number of stations at which the event was observed 130
Number of stations from which data was used for origin computation 130
Magnitudes information

Mwp:7.1

Field Value
Value 7.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude Mwp
Reference to an origin 117560761
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-21 16:13:35

Mwpd:7.1

Field Value
Value 7.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude Mwpd
Reference to an origin 117560761
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-21 16:13:35

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 107
Type of magnitude mb
Reference to an origin 117560761
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-21 16:13:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
US.CBN.BHZ.00 2023-05-21T16:03:55.35 10.0 positive automatic PKPdf 51 13394.1147 -0.135643 0.029788
IU.DWPF.BHZ.00 2023-05-21T16:03:52.20 10.0 positive automatic PKPdf 63 13168.0188 0.659314 0.0313868
US.BLA.BHZ.00 2023-05-21T16:03:51.05 10.0 positive automatic PKPdf 53 13150.8138 -0.319097 0.0316632
US.ERPA.BHZ.00 2023-05-21T16:03:50.18 10.0 positive automatic PKPdf 48 13087.4328 -0.0422343 0.0157904
GE.SUMG.BHZ.10 2023-05-21T16:03:48.20 10.0 positive automatic PKPdf 7 12934.3749 0.139971 0.0323325
US.GOGA.BHZ.00 2023-05-21T16:03:47.40 10.0 positive automatic PKPdf 58 12929.3799 -0.0332517 0.0319678
US.TZTN.BHZ.00 2023-05-21T16:03:46.68 10.0 positive automatic PKPdf 54 12885.8679 -0.0570018 0.0323792
US.ACSO.BHZ.00 2023-05-21T16:03:45.95 10.0 positive automatic PKPdf 50 12879.3189 -0.651967 0.0328097
US.ISCO.BHZ.00 2023-05-21T15:58:47.13 10.0 positive automatic P 51 10962.3933 3.08147 0.0858369
US.SDCO.BHZ.00 2023-05-21T15:58:44.75 10.0 positive automatic P 53 10947.4749 1.33662 0.0870838
US.MNTX.BHZ.00 2023-05-21T15:58:41.48 10.0 positive automatic P 59 10879.6983 1.17077 0.0435735
IU.ANMO.BHZ.00 2023-05-21T15:58:39.70 10.0 positive automatic P 56 10825.8633 -0.37284 0.0890514
GE.SNAA.BHZ. 2023-05-21T15:58:36.76 10.0 positive automatic P 185 10813.2204 -0.883843 0.0882219
US.RLMT.BHZ.00 2023-05-21T15:58:36.68 10.0 positive automatic P 45 10736.253 1.90734 0.0884626
US.EGMT.BHZ.00 2023-05-21T15:58:35.70 10.0 positive automatic P 42 10742.9907 0.835493 0.0915071
US.MVCO.BHZ.00 2023-05-21T15:58:34.30 10.0 positive automatic P 53 10678.4442 1.87962 0.0926168
US.BW06.BHZ.00 2023-05-21T15:58:33.15 10.0 positive automatic P 48 10676.8125 0.787108 0.0926451
US.AHID.BHZ.00 2023-05-21T15:58:28.58 10.0 positive automatic P 47 10552.5924 1.35406 0.0937234
US.BOZ.BHZ.00 2023-05-21T15:58:28.83 10.0 positive automatic P 45 10561.9386 1.28433 0.0191624
II.AAK.BHZ.00 2023-05-21T15:58:25.42 10.0 positive automatic P 313 10512.4881 -0.396594 0.0933419
US.HWUT.BHZ.00 2023-05-21T15:58:25.78 10.0 positive automatic P 49 10493.7291 1.00025 0.0875664
US.WUAZ.BHZ.00 2023-05-21T15:58:22.35 10.0 positive automatic P 55 10394.6505 0.0531453 0.0943729
IU.TUC.BHZ.00 2023-05-21T15:58:21.65 10.0 positive automatic P 58 10386.7917 -0.471699 0.100279
US.MSO.BHZ.00 2023-05-21T15:58:21.63 10.0 positive automatic P 43 10411.3338 0.352996 0.0951646
US.DUG.BHZ.00 2023-05-21T15:58:20.93 10.0 positive automatic P 50 10363.1154 1.6146 0.0983392
US.HLID.BHZ.00 2023-05-21T15:58:18.63 10.0 positive automatic P 46 10304.6184 1.6937 0.0503285
MX.HSIG.BHZ. 2023-05-21T15:58:18.54 10.0 positive automatic P 61 10307.9373 1.73437 0.0970834
II.KURK.BHZ.00 2023-05-21T15:58:16.35 10.0 positive automatic P 321 10371.174 -2.18963 0.100581
US.NEW.BHZ.00 2023-05-21T15:58:13.38 10.0 positive automatic P 41 10211.4339 0.493876 0.103753
US.ELK.BHZ.00 2023-05-21T15:58:12.85 10.0 positive automatic P 49 10174.3044 1.26818 0.102023
MX.SRIG.BHZ. 2023-05-21T15:58:11.97 10.0 positive automatic P 62 10149.3849 1.8005 0.10014
NN.PRN.HHZ. 2023-05-21T15:58:10.50 10.0 positive automatic P 52 10112.4996 0.369817 0.100872
US.BMO.BHZ.00 2023-05-21T15:58:09.80 10.0 positive automatic P 44 10110.7014 1.05591 0.103311
US.TPNV.BHZ.00 2023-05-21T15:58:05.18 10.0 positive automatic P 52 9998.0697 0.0652729 0.094412
US.HAWA.BHZ.00 2023-05-21T15:58:04.93 10.0 positive automatic P 43 9985.0272 0.923063 0.108512
IU.MAKZ.BHZ.00 2023-05-21T15:58:03.77 10.0 positive automatic P 318 10032.1911 -0.93953 0.0990389
US.WVOR.BHZ.00 2023-05-21T15:58:03.28 10.0 positive automatic P 47 9942.5586 0.757518 0.106835
II.PFO.BHZ.00 2023-05-21T15:58:00.82 10.0 positive automatic P 56 9897.4926 -0.0711821 0.105303
US.NLWA.BHZ.00 2023-05-21T15:57:52.48 10.0 positive automatic P 41 9701.4444 -0.0723267 0.114948
BK.CMB.BHZ.00 2023-05-21T15:57:51.15 10.0 positive automatic P 51 9673.9719 0.235356 0.110225
IU.COR.BHZ.00 2023-05-21T15:57:50.92 10.0 positive automatic P 44 9647.0322 0.783305 0.113481
US.EGAK.BHZ.00 2023-05-21T15:57:46.28 10.0 positive automatic P 21 9574.5048 0.534254 0.116595
AT.SKAG.BHZ. 2023-05-21T15:57:43.94 10.0 positive automatic P 27 9529.5942 -0.828398 0.115198
US.WRAK.BHZ.00 2023-05-21T15:57:43.88 10.0 positive automatic P 30 9533.7678 -0.0195552 0.055456
BK.MCCM.BHZ.00 2023-05-21T15:57:42.80 10.0 positive automatic P 50 9468.1224 0.873948 0.115071
IU.COLA.BHZ.00 2023-05-21T15:57:33.50 10.0 positive automatic P 19 9328.0737 -0.334766 0.124335
GE.MALK.BHZ. 2023-05-21T15:57:28.82 10.0 positive automatic P 280 9175.3599 0.344358 0.122532
II.PALK.BHZ.00 2023-05-21T15:57:26.87 10.0 positive automatic P 279 9133.302 0.239433 0.126607
GE.HALK.BHZ. 2023-05-21T15:57:25.85 10.0 positive automatic P 278 9109.7478 0.725702 0.127263
AT.TTA.BHZ. 2023-05-21T15:57:13.98 10.0 positive automatic P 18 8892.0546 -0.7257 0.12986
II.TLY.BHZ.00 2023-05-21T15:57:08.80 10.0 positive automatic P 328 8803.0548 -0.198909 0.133116
IU.BILL.BHZ.00 2023-05-21T15:57:03.52 10.0 positive automatic P 2 8700.6684 -0.403149 0.156378
II.KDAK.BHZ.00 2023-05-21T15:57:00.25 10.0 positive automatic P 23 8615.8755 -0.616527 0.147541
AK.GAMB.BHZ. 2023-05-21T15:56:55.13 10.0 positive automatic P 12 8523.2571 -0.607688 0.146778
IU.YAK.BHZ.00 2023-05-21T15:56:52.12 10.0 positive automatic P 345 8479.0014 -0.278894 0.146902
IU.ULN.BHZ.00 2023-05-21T15:56:47.72 10.0 positive automatic P 326 8366.958 0.248144 0.144006
IU.MA2.BHZ.00 2023-05-21T15:56:16.12 10.0 positive automatic P 354 7807.8288 -1.44891 0.169217
AT.AKUT.BHZ. 2023-05-21T15:56:15.38 10.0 positive automatic P 20 7778.4138 -0.910384 0.176237
IU.SBA.BHZ.00 2023-05-21T15:56:02.07 10.0 positive automatic P 179 7510.2489 -0.479353 0.187247
GT.VNDA.BHZ.00 2023-05-21T15:55:58.68 10.0 positive automatic P 180 7467.3585 -1.25701 0.0616666
IU.CASY.BHZ.00 2023-05-21T15:55:47.82 10.0 positive automatic P 200 7286.9502 -0.663623 0.194275
IU.ADK.BHZ.00 2023-05-21T15:55:43.20 10.0 positive automatic P 15 7205.5539 0.0469267 0.196405
GE.GSI.BHZ. 2023-05-21T15:55:41.02 10.0 positive automatic P 276 7169.9784 -0.762456 0.191747
AT.SMY.BHZ. 2023-05-21T15:55:36.56 10.0 positive automatic P 8 7092.2673 -0.41287 0.20799
IU.PET.BHZ.00 2023-05-21T15:55:31.12 10.0 positive automatic P 358 7027.0992 -1.56879 0.193185
MY.IPM.BHZ. 2023-05-21T15:55:23.67 10.0 positive automatic P 281 6876.7608 -0.602536 0.218144
IU.YSS.BHZ.00 2023-05-21T15:55:07.60 10.0 positive automatic P 345 6613.7241 -0.228568 0.241458
MY.KOM.BHZ. 2023-05-21T15:55:01.17 10.0 positive automatic P 278 6502.5354 -0.567963 0.249787
IU.INCN.BHZ.00 2023-05-21T15:54:55.27 10.0 positive automatic P 328 6416.0664 0.236053 0.219914
RM.DLV.BHZ. 2023-05-21T15:54:51.17 10.0 positive automatic P 292 6340.431 -0.565409 0.245209
JP.JKA.BHZ. 2023-05-21T15:54:49.60 10.0 positive automatic P 344 6326.0454 -0.586496 0.26392
PS.TJN.BHZ. 2023-05-21T15:54:46.21 10.0 positive automatic P 327 6281.1015 -1.08244 0.351364
II.ERM.BHZ.00 2023-05-21T15:54:35.47 10.0 positive automatic P 343 6092.6013 0.231207 0.277917
JP.JTM.BHZ. 2023-05-21T15:54:30.20 10.0 positive automatic P 341 6037.6119 -1.02653 0.283003
JP.JTU.BHZ. 2023-05-21T15:54:28.80 10.0 positive automatic P 327 6005.6217 -1.40732 0.292836
IU.TATO.BHZ.00 2023-05-21T15:54:17.47 10.0 positive automatic P 313 5828.166 -0.185993 0.310942
IU.POHA.BHZ.00 2023-05-21T15:54:14.27 10.0 positive automatic P 55 5759.5014 0.273337 0.0718971
IU.MAJO.BHZ.00 2023-05-21T15:54:09.27 10.0 positive automatic P 336 5732.8392 -0.68517 0.321369
JP.JMN.BHZ. 2023-05-21T15:54:07.25 10.0 positive automatic P 330 5682.6783 -0.709881 0.327068
JP.JSU.BHZ. 2023-05-21T15:54:07.30 10.0 positive automatic P 326 5686.6521 -0.440891 0.326611
JP.YOJ.BHZ. 2023-05-21T15:54:06.95 10.0 positive automatic P 313 5672.988 -0.455521 0.320555
JP.JGF.BHZ. 2023-05-21T15:54:06.40 10.0 positive automatic P 335 5681.2242 -0.672707 0.312361
G.INU.BHZ.00 2023-05-21T15:54:06.11 10.0 positive automatic P 334 5672.3997 -0.34864 0.328254
G.KIP.BHZ.00 2023-05-21T15:54:05.97 10.0 positive automatic P 51 5643.7173 0.0320506 0.339689
GE.SMRI.BHZ. 2023-05-21T15:54:03.37 10.0 positive automatic P 269 5604.6786 -0.352419 0.320953
JP.JSG.BHZ. 2023-05-21T15:53:59.00 10.0 positive automatic P 335 5554.4067 0.400581 0.299558
PS.ISG.BHZ. 2023-05-21T15:53:59.91 10.0 positive automatic P 314 5570.3685 -0.480393 0.324919
JP.JOW.BHZ. 2023-05-21T15:53:50.95 10.0 positive automatic P 320 5451.2211 -1.44217 0.115723
G.PPTF.BHZ.00 2023-05-21T15:53:46.90 10.0 positive automatic P 105 5324.7144 1.51615 0.340134
JP.JHJ2.BHZ. 2023-05-21T15:53:43.10 10.0 positive automatic P 335 5329.2099 -0.160086 0.363251
JP.JMZ.BHZ. 2023-05-21T15:53:32.55 10.0 positive automatic P 321 5165.5626 0.165264 0.395838
IU.NWAO.BHZ.00 2023-05-21T15:53:31.90 10.0 positive automatic P 234 5159.4132 0.595977 0.392117
GE.JAGI.BHZ. 2023-05-21T15:53:31.62 10.0 positive automatic P 268 5180.6697 -0.851994 0.351668
AU.MORW.BHZ. 2023-05-21T15:53:31.10 10.0 positive automatic P 239 5146.1265 0.760838 0.408563
AU.MCQ.BHZ.00 2023-05-21T15:53:14.70 10.0 positive automatic P 182 4917.3444 0.00763984 0.416958
IU.MIDW.BHZ.00 2023-05-21T15:53:08.50 10.0 positive automatic P 27 4835.7261 -0.305402 0.446373
II.KAPI.BHZ.00 2023-05-21T15:52:53.17 10.0 positive automatic P 274 4621.6737 -0.149674 0.451501
IU.MBWA.BHZ.00 2023-05-21T15:52:51.00 10.0 positive automatic P 250 4605.3567 0.444873 0.504012
GE.MMRI.BHZ. 2023-05-21T15:52:28.07 10.0 positive automatic P 269 4295.9664 -0.411235 0.534179
AU.FORT.BHZ.00 2023-05-21T15:52:16.25 10.0 positive automatic P 232 4126.3362 0.160915 0.627841
GE.SANI.BHZ. 2023-05-21T15:52:06.87 10.0 positive automatic P 281 4014.8922 0.0833342 0.598305
NZ.ODZ.HHZ.10 2023-05-21T15:52:02.82 10.0 positive automatic P 169 3961.146 -0.0186213 0.642592
II.TAU.BHZ.00 2023-05-21T15:51:57.12 10.0 positive automatic P 198 3875.8536 -0.168466 0.671193
AU.WRKA.BHZ.00 2023-05-21T15:51:54.68 10.0 positive automatic P 240 3857.7384 -0.829624 0.677512
NZ.KHZ.HHZ.10 2023-05-21T15:51:45.74 10.0 positive automatic P 164 3758.9151 -0.852596 0.697749
IU.SNZO.BHZ.00 2023-05-21T15:51:40.07 10.0 positive automatic P 162 3683.4129 -0.494598 0.734814
GE.BNDI.BHZ. 2023-05-21T15:51:30.22 10.0 positive automatic P 278 3528.9897 0.34034 0.828469
NZ.URZ.HHZ.10 2023-05-21T15:51:24.88 10.0 positive automatic P 156 3477.8409 0.264989 0.82986
AU.TOO.BHZ.00 2023-05-21T15:51:21.80 10.0 positive automatic P 205 3427.2471 0.125727 0.888726
AU.MTN.BHZ.00 2023-05-21T15:51:12.38 10.0 positive automatic P 262 3309.0654 0.180669 0.240964
AU.KDU.BHZ.00 2023-05-21T15:51:00.43 10.0 positive automatic P 262 3163.5222 -0.134248 0.481928
II.WRAB.BHZ.00 2023-05-21T15:50:54.85 10.0 positive automatic P 246 3091.6164 0.896275 0.963855
G.CAN.BHZ.00 2023-05-21T15:50:51.90 10.0 positive automatic P 202 3055.2084 -0.505677 0.909091
NZ.OUZ.HHZ.10 2023-05-21T15:50:50.39 10.0 positive automatic P 158 3031.7319 -0.400038 0.930233
AU.RIV.BHZ. 2023-05-21T15:50:33.82 10.0 positive automatic P 200 2820.3879 -0.0766082 0.909091
AU.QLP.BHZ. 2023-05-21T15:50:10.95 10.0 positive automatic P 223 2559.2049 -0.176826 0.91954
AU.ARMA.BHZ. 2023-05-21T15:50:02.07 10.0 positive automatic P 203 2459.1495 -0.559215 0.20915
PS.JAY.BHZ. 2023-05-21T15:49:58.51 10.0 positive automatic P 289 2443.3764 -2.04656 0.296296
II.KWJN.BHZ.00 2023-05-21T15:49:44.27 10.0 positive automatic P 17 2269.0176 0.594751 1.41941
AU.NFK.BHZ.00 2023-05-21T15:49:37.06 10.0 positive automatic P 163 2192.7273 0.790505 0.943396
AU.EIDS.BHZ. 2023-05-21T15:49:17.57 10.0 positive automatic P 212 2003.3502 -0.431287 0.987654
IU.CTAO.BHZ.00 2023-05-21T15:49:15.30 10.0 positive automatic P 234 1959.5496 1.07989 0.97561
II.MSVF.BHZ.00 2023-05-21T15:49:15.95 10.0 positive automatic P 117 1969.7061 0.791243 0.879121
IU.FUNA.BHZ.00 2023-05-21T15:49:13.00 10.0 positive automatic P 86 1951.1247 1.87775 0.47619
PS.PATS.BHZ. 2023-05-21T15:49:08.61 10.0 positive automatic P 349 1927.1931 -1.18123 0.952381
GE.PMG.BHZ.00 2023-05-21T15:48:31.67 10.0 positive automatic P 272 1567.4421 1.71456 0.8
ND.ONTNC.BHZ.00 2023-05-21T15:48:13.80 10.0 positive automatic P 159 1440.5802 -0.339946 0.909091
AU.RABL.BHZ.00 2023-05-21T15:47:48.98 10.0 positive automatic P 303 1224.0192 1.54211 0.620155
ND.KOUNC.BHZ.00 2023-05-21T15:47:41.75 10.0 positive automatic P 166 1183.4265 -0.906696 0.909091
IU.HNR.BHZ.00 2023-05-21T15:45:40.97 10.0 positive automatic P 298 188.0562 -0.0521842 1.95122
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