Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.9 on date 30-05-2023 and time 00:52:08 (UTC) in region Japan [Sea]

A magnitude Mwp 5.9 earthquake occured in region: Japan [Sea], on

  • 30-05-2023 00:52:08 (UTC)
  • 30-05-2023 02:52:08 (UTC +02:00) Italian time
  • 30-05-2023 10:52:08 (UTC +10:00) local time in the region of the earthquake (Pacific/Saipan)

and geographic coordinates (lat, lon) 23.8710, 143.0770 at 12 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 6.1 		2023-05-30
00:52:08		 23.8711 143.077 12 2023-05-30
01:10:54		 Sala Sismica INGV-Roma 117865921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-30 00:52:08
Latitude 23.8711
Longitude 143.0770
Depth (km) 12 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 117865921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13048432
Semi-minor axis of confidence ellipse (meter) 11436499
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 12428200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55.6164
Number of associated phases, regardless of their use for origin computation 145
Number of defining phases 145
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.64557
Epicentral distance of station closest to the epicenter (degree) 9.67669
Epicentral distance of station farthest from the epicenter (degree) 97.81179
Number of stations at which the event was observed 145
Number of stations from which data was used for origin computation 145
Magnitudes information

Mwp:5.9

Field Value
Value 5.9
Uncertainty 0.1
Num. used stations 59
Type of magnitude Mwp
Reference to an origin 117865921
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-30 01:10:54

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.2
Num. used stations 62
Type of magnitude Mwpd
Reference to an origin 117865921
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-30 01:10:54

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 144
Type of magnitude mb
Reference to an origin 117865921
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-05-30 01:10:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2023-05-30T01:05:41.42 10.0 positive automatic P 318 10857.1098 -0.472237 0.0623065
US.WMOK.BHZ.00 2023-05-30T01:05:40.75 10.0 positive automatic P 47 10779.1767 0.5359 0.0919982
AC.KBN.HHZ. 2023-05-30T01:05:34.49 10.0 positive automatic P 320 10673.2161 0.0235124 0.0322361
US.KSU1.BHZ.00 2023-05-30T01:05:34.40 10.0 positive automatic P 42 10645.4883 0.0209107 0.0932009
MN.PDG.BHZ. 2023-05-30T01:05:33.47 10.0 positive automatic P 322 10643.2572 -0.134271 0.0753092
US.AMTX.BHZ.00 2023-05-30T01:05:31.88 10.0 positive automatic P 48 10552.8144 2.31633 0.0959878
MN.BLY.BHZ. 2023-05-30T01:05:31.72 10.0 positive automatic P 325 10600.1337 -1.33169 0.0897275
GE.IBBN.BHZ. 2023-05-30T01:05:26.65 10.0 positive automatic P 334 10481.8743 -0.438681 0.0443692
MN.DIVS.BHZ. 2023-05-30T01:05:26.65 10.0 positive automatic P 323 10478.9772 -0.32872 0.0973455
HU.KOVH.BHZ. 2023-05-30T01:05:25.05 10.0 positive automatic P 325 10448.0526 -0.0552544 0.096757
US.EYMN.BHZ.00 2023-05-30T01:05:21.70 10.0 positive automatic P 33 10336.875 1.17177 0.0806152
US.ECSD.BHZ.00 2023-05-30T01:05:21.53 10.0 positive automatic P 39 10331.214 1.23875 0.0884306
GE.FLT1.BHZ. 2023-05-30T01:05:19.80 10.0 positive automatic P 333 10323.222 -0.306525 0.101529
HL.RDO.HHZ. 2023-05-30T01:05:19.42 10.0 positive automatic P 318 10321.3572 -0.59667 0.0816505
GE.EIL.BHZ. 2023-05-30T01:05:18.80 10.0 positive automatic P 304 10287.7797 -0.519526 0.0931424
MN.BZS.BHZ. 2023-05-30T01:05:17.77 10.0 positive automatic P 323 10271.7846 -0.0139941 0.0977785
IU.ANMO.BHZ.00 2023-05-30T01:05:16.40 10.0 positive automatic P 50 10182.1965 0.656567 0.0475423
GE.MORC.BHZ. 2023-05-30T01:05:15.65 10.0 positive automatic P 328 10207.2381 -0.151222 0.099019
GE.PSZ.BHZ. 2023-05-30T01:05:15.85 10.0 positive automatic P 326 10212.6549 -0.548319 0.101269
US.OGNE.BHZ.00 2023-05-30T01:05:14.53 10.0 positive automatic P 43 10151.8047 1.60157 0.00935752
DK.ISOG.BHZ. 2023-05-30T01:05:13.30 10.0 positive automatic P 1 10052.493 3.78355 0.014253
US.SDCO.BHZ.00 2023-05-30T01:05:12.65 10.0 positive automatic P 47 10093.6629 1.89632 0.0978471
GE.CSS.BHZ. 2023-05-30T01:05:11.55 10.0 positive automatic P 310 10125.087 -0.504123 0.0848472
IU.TUC.BHZ.00 2023-05-30T01:05:07.87 10.0 positive automatic P 54 9980.1654 0.450275 0.0957805
KO.MDUB.HHZ. 2023-05-30T01:05:05.24 10.0 positive automatic P 315 9967.7778 0.0188639 0.101938
PL.KWP.BHZ. 2023-05-30T01:05:04.15 10.0 positive automatic P 326 9933.1347 -0.258835 0.119873
GE.TIRR.BHZ. 2023-05-30T01:05:03.30 10.0 positive automatic P 320 9919.2375 -0.00320207 0.0495461
US.MVCO.BHZ.00 2023-05-30T01:05:02.83 10.0 positive automatic P 49 9898.092 0.361235 0.0642266
IU.RSSD.BHZ.00 2023-05-30T01:05:00.55 10.0 positive automatic P 41 9821.5131 0.852267 0.11125
GE.SFJD.BHZ.00 2023-05-30T01:05:00.42 10.0 positive automatic P 5 9828.6504 1.10368 0.0355984
US.WUAZ.BHZ.00 2023-05-30T01:04:58.77 10.0 positive automatic P 52 9763.2825 0.681927 0.10342
KO.GAZ.HHZ. 2023-05-30T01:04:54.48 10.0 positive automatic P 310 9701.4555 0.615148 0.166295
DK.ILULI.BHZ. 2023-05-30T01:04:50.22 10.0 positive automatic P 5 9584.3283 1.66222 0.0227799
KO.SNOP.HHZ. 2023-05-30T01:04:49.41 10.0 positive automatic P 315 9592.3758 0.480151 0.107617
PL.SUW.BHZ. 2023-05-30T01:04:49.63 10.0 positive automatic P 329 9610.2024 -0.106797 0.0742811
US.DGMT.BHZ.00 2023-05-30T01:04:48.78 10.0 positive automatic P 38 9552.2382 1.54947 0.115758
US.BW06.BHZ.00 2023-05-30T01:04:47.45 10.0 positive automatic P 45 9515.808 1.57714 0.125032
II.PFO.BHZ.00 2023-05-30T01:04:44.22 10.0 positive automatic P 55 9444.213 0.612089 0.110527
IU.KIEV.BHZ.00 2023-05-30T01:04:44.17 10.0 positive automatic P 324 9486.9702 -0.0494432 0.139457
US.HWUT.BHZ.00 2023-05-30T01:04:43.68 10.0 positive automatic P 46 9431.5923 1.65942 0.111129
DK.SCO.BHZ. 2023-05-30T01:04:43.45 10.0 positive automatic P 355 9439.8174 0.503592 0.139275
US.RLMT.BHZ.00 2023-05-30T01:04:43.60 10.0 positive automatic P 42 9409.6365 2.53256 0.0245697
US.AHID.BHZ.00 2023-05-30T01:04:43.05 10.0 positive automatic P 45 9405.3741 2.19952 0.0227949
US.DUG.BHZ.00 2023-05-30T01:04:42.70 10.0 positive automatic P 48 9410.7132 1.6885 0.188865
NN.PRN.HHZ. 2023-05-30T01:04:41.44 10.0 positive automatic P 51 9375.5817 0.672904 0.12661
GE.SLIT.BHZ. 2023-05-30T01:04:40.30 10.0 positive automatic P 332 9408.8151 0.583537 0.119314
US.TPNV.BHZ.00 2023-05-30T01:04:37.25 10.0 positive automatic P 52 9302.022 0.0505575 0.145544
II.FFC.BHZ.00 2023-05-30T01:04:36.90 10.0 positive automatic P 32 9303.5982 0.548224 0.097623
GE.SUMG.BHZ.10 2023-05-30T01:04:36.50 10.0 positive automatic P 0 9273.5172 1.48352 0.134991
US.BOZ.BHZ.00 2023-05-30T01:04:34.15 10.0 positive automatic P 43 9222.3129 1.78519 0.0606507
US.EGMT.BHZ.00 2023-05-30T01:04:33.98 10.0 positive automatic P 40 9222.5349 1.69149 0.112166
US.ELK.BHZ.00 2023-05-30T01:04:33.23 10.0 positive automatic P 48 9200.0574 1.79558 0.11778
US.HLID.BHZ.00 2023-05-30T01:04:29.80 10.0 positive automatic P 46 9126.087 1.91964 0.0358949
GE.VSU.BHZ. 2023-05-30T01:04:28.65 10.0 positive automatic P 332 9143.4141 0.305148 0.11792
IU.GNI.BHZ.00 2023-05-30T01:04:22.12 10.0 positive automatic P 310 8970.3207 0.184373 0.204756
US.MSO.BHZ.00 2023-05-30T01:04:22.95 10.0 positive automatic P 42 9002.4885 1.03718 0.124216
II.KIV.BHZ.00 2023-05-30T01:04:20.87 10.0 positive automatic P 314 8953.7484 0.660037 0.188291
DK.KULLO.BHZ. 2023-05-30T01:04:20.48 10.0 positive automatic P 5 8954.2923 1.09599 0.123503
BK.CMB.BHZ.00 2023-05-30T01:04:19.72 10.0 positive automatic P 53 8920.2819 0.883366 0.152139
US.WVOR.BHZ.00 2023-05-30T01:04:17.20 10.0 positive automatic P 48 8865.8142 1.00373 0.0608574
US.BMO.BHZ.00 2023-05-30T01:04:16.58 10.0 positive automatic P 45 8857.2339 1.70913 0.128523
II.OBN.BHZ.00 2023-05-30T01:04:13.35 10.0 positive automatic P 326 8817.0297 0.785366 0.16192
BK.MCCM.BHZ.00 2023-05-30T01:04:10.55 10.0 positive automatic P 53 8713.8885 1.97149 0.135871
US.NEW.BHZ.00 2023-05-30T01:04:09.75 10.0 positive automatic P 42 8719.6272 1.73833 0.126843
GE.DAG.BHZ. 2023-05-30T01:04:09.37 10.0 positive automatic P 356 8739.9846 0.964234 0.143729
US.HAWA.BHZ.00 2023-05-30T01:04:06.03 10.0 positive automatic P 44 8631.7152 1.55696 0.17838
II.UOSS.BHZ.00 2023-05-30T01:04:02.80 10.0 positive automatic P 292 8605.5969 0.856128 0.140952
IU.COR.BHZ.00 2023-05-30T01:03:56.22 10.0 positive automatic P 47 8428.7517 1.33552 0.145221
IU.KEV.BHZ.00 2023-05-30T01:03:55.22 10.0 positive automatic P 341 8444.2029 1.2744 0.148135
US.NLWA.BHZ.00 2023-05-30T01:03:48.28 10.0 positive automatic P 45 8284.7958 0.969767 0.142053
II.LVZ.BHZ.00 2023-05-30T01:03:45.82 10.0 positive automatic P 338 8276.049 0.808294 0.132185
GE.KBS.BHZ.00 2023-05-30T01:03:41.05 10.0 positive automatic P 351 8174.2065 0.468235 0.0799943
NZ.ODZ.HHZ.10 2023-05-30T01:03:38.15 10.0 positive automatic P 160 8142.3606 -0.720819 0.161632
NZ.KHZ.HHZ.10 2023-05-30T01:03:27.87 10.0 positive automatic P 157 7991.9889 -2.20386 0.164592
IU.SNZO.BHZ.00 2023-05-30T01:03:25.20 10.0 positive automatic P 155 7933.1589 -1.68251 0.167838
NZ.URZ.HHZ.10 2023-05-30T01:03:15.91 10.0 positive automatic P 152 7753.0947 -1.6017 0.174067
US.WRAK.BHZ.00 2023-05-30T01:03:04.18 10.0 positive automatic P 37 7476.5604 2.63319 0.186743
II.ARTI.BHZ.00 2023-05-30T01:03:01.47 10.0 positive automatic P 323 7484.1528 -0.547577 0.250041
II.TAU.BHZ.00 2023-05-30T01:02:58.82 10.0 positive automatic P 177 7425.0675 0.352495 0.174937
CN.ATLI.BHZ. 2023-05-30T01:02:55.98 10.0 positive automatic P 33 7346.4684 1.78477 0.174898
NZ.OUZ.HHZ.10 2023-05-30T01:02:52.74 10.0 positive automatic P 153 7301.6799 -0.300801 0.198128
AT.SKAG.BHZ. 2023-05-30T01:02:51.22 10.0 positive automatic P 34 7257.7572 0.822188 0.193175
II.JZAX.BHZ.00 2023-05-30T01:02:40.40 10.0 positive automatic P 305 7110.7488 0.0407539 0.311924
CN.CROWY.BHZ. 2023-05-30T01:02:36.35 10.0 positive automatic P 25 7005.2988 2.26496 0.2009
US.EGAK.BHZ.00 2023-05-30T01:02:30.50 10.0 positive automatic P 28 6935.946 0.618554 0.0511958
GE.HALK.BHZ. 2023-05-30T01:02:29.65 10.0 positive automatic P 264 6919.3071 0.611507 0.101832
II.PALK.BHZ.00 2023-05-30T01:02:27.15 10.0 positive automatic P 265 6864.6396 1.03997 0.10346
GE.MALK.BHZ. 2023-05-30T01:02:25.07 10.0 positive automatic P 267 6832.161 0.95193 0.182781
IU.NWAO.BHZ.00 2023-05-30T01:02:25.25 10.0 positive automatic P 204 6871.788 0.162262 0.218496
AU.TOO.BHZ.00 2023-05-30T01:02:22.78 10.0 positive automatic P 178 6824.4687 -0.409049 0.229543
II.BORK.BHZ.00 2023-05-30T01:02:18.80 10.0 positive automatic P 319 6759.6336 -0.381962 0.397153
IU.COLA.BHZ.00 2023-05-30T01:02:11.17 10.0 positive automatic P 27 6621.816 -0.182087 0.28229
AU.MORW.BHZ. 2023-05-30T01:02:04.77 10.0 positive automatic P 208 6546.6468 -0.442924 0.243573
II.AAK.BHZ.00 2023-05-30T01:02:04.62 10.0 positive automatic P 307 6513.6021 0.315807 0.397228
IU.POHA.BHZ.00 2023-05-30T01:01:53.67 10.0 positive automatic P 81 6294.366 2.245 0.243445
AU.HTT.BHZ.00 2023-05-30T01:01:53.90 10.0 positive automatic P 184 6375.3627 -1.35843 0.263029
II.KDAK.BHZ.00 2023-05-30T01:01:48.30 10.0 positive automatic P 35 6259.3677 0.113571 0.26335
AU.FORT.BHZ.00 2023-05-30T01:01:46.83 10.0 positive automatic P 195 6272.7765 -1.79198 0.275017
AT.TTA.BHZ. 2023-05-30T01:01:44.32 10.0 positive automatic P 29 6189.0492 0.0916556 0.275017
II.KURK.BHZ.00 2023-05-30T01:01:42.20 10.0 positive automatic P 316 6187.3176 -0.195321 0.266422
AU.ARMA.BHZ. 2023-05-30T01:01:36.47 10.0 positive automatic P 171 6094.2774 -1.68058 0.26255
II.MSVF.BHZ.00 2023-05-30T01:01:31.27 10.0 positive automatic P 137 5973.8202 0.132181 0.146267
IU.MAKZ.BHZ.00 2023-05-30T01:01:24.85 10.0 positive automatic P 312 5916.8661 -0.0625358 0.442575
ND.ONTNC.BHZ.00 2023-05-30T01:01:12.30 10.0 positive automatic P 152 5712.5484 -0.858952 0.316191
AU.WRKA.BHZ.00 2023-05-30T01:01:06.35 10.0 positive automatic P 197 5656.4601 -1.68062 0.338226
IO.EVN.BHZ. 2023-05-30T01:01:05.30 10.0 positive automatic P 287 5586.9519 1.23669 0.525282
IU.MBWA.BHZ.00 2023-05-30T01:01:03.42 10.0 positive automatic P 209 5598.3516 0.00642842 0.345285
AU.QLP.BHZ. 2023-05-30T01:01:02.20 10.0 positive automatic P 179 5601.615 -1.44358 0.340727
AU.EIDS.BHZ. 2023-05-30T01:00:57.00 10.0 positive automatic P 171 5532.7062 -1.28363 0.345111
ND.KOUNC.BHZ.00 2023-05-30T01:00:53.20 10.0 positive automatic P 153 5437.4904 -0.84791 0.36602
AT.AKUT.BHZ. 2023-05-30T01:00:48.82 10.0 positive automatic P 38 5371.3899 -0.0590817 0.373267
IN.SHL.HHZ. 2023-05-30T01:00:32.44 10.0 positive automatic P 283 5135.3706 1.06626 0.380656
IU.BILL.BHZ.00 2023-05-30T01:00:32.85 10.0 positive automatic P 12 5156.1165 0.0157902 0.440022
AU.FITZ.BHZ. 2023-05-30T01:00:23.20 10.0 positive automatic P 204 5027.0346 -0.33804 0.423087
II.WRAB.BHZ.00 2023-05-30T01:00:16.92 10.0 positive automatic P 192 4952.6646 -0.790642 0.441206
IU.CTAO.BHZ.00 2023-05-30T01:00:13.52 10.0 positive automatic P 176 4891.3593 -0.888228 0.403172
GE.JAGI.BHZ. 2023-05-30T01:00:05.02 10.0 positive automatic P 225 4766.3289 0.536383 0.443905
IU.ADK.BHZ.00 2023-05-30T00:59:54.10 10.0 positive automatic P 37 4603.2033 0.663359 0.510757
IU.CHTO.BHZ.00 2023-05-30T00:59:52.57 10.0 positive automatic P 272 4579.194 1.01526 0.465084
IU.YAK.BHZ.00 2023-05-30T00:59:33.52 10.0 positive automatic P 350 4354.2747 -0.290176 0.697219
GE.SOEI.BHZ. 2023-05-30T00:59:28.07 10.0 positive automatic P 211 4253.5866 0.605612 0.437961
GE.MMRI.BHZ. 2023-05-30T00:59:27.52 10.0 positive automatic P 215 4257.1941 0.59511 0.582959
AU.COEN.BHZ.00 2023-05-30T00:59:23.80 10.0 positive automatic P 180 4198.7859 0.827141 0.292679
AU.KDU.BHZ.00 2023-05-30T00:59:23.25 10.0 positive automatic P 197 4217.7336 -1.12254 0.566925
AT.SMY.BHZ. 2023-05-30T00:59:19.44 10.0 positive automatic P 31 4128.5007 0.830779 0.614035
IU.ULN.BHZ.00 2023-05-30T00:59:16.22 10.0 positive automatic P 319 4131.7419 -1.59274 0.873158
II.KAPI.BHZ.00 2023-05-30T00:59:14.00 10.0 positive automatic P 221 4080.3156 0.863329 0.61273
RM.SLV.BHZ. 2023-05-30T00:59:10.17 10.0 positive automatic P 274 4011.3624 0.916115 0.612849
IU.MA2.BHZ.00 2023-05-30T00:59:08.32 10.0 positive automatic P 7 4008.2211 0.178292 0.878617
GE.PMG.BHZ.00 2023-05-30T00:58:45.07 10.0 positive automatic P 173 3720.3204 -1.31371 0.763409
GE.FAKI.BHZ. 2023-05-30T00:58:04.07 10.0 positive automatic P 203 3195.4125 -0.232921 0.952381
PS.JAY.BHZ. 2023-05-30T00:57:43.86 10.0 positive automatic P 185 2939.8905 0.140058 0.930233
IU.YSS.BHZ.00 2023-05-30T00:57:11.20 10.0 positive automatic P 359 2562.768 -0.719817 0.543253
PS.PATS.BHZ. 2023-05-30T00:57:06.86 10.0 positive automatic P 137 2491.9389 1.50127 0.930233
JP.JKA.BHZ. 2023-05-30T00:56:42.30 10.0 positive automatic P 359 2247.8277 0.568251 1.10088
IU.INCN.BHZ.00 2023-05-30T00:56:31.57 10.0 positive automatic P 318 2172.4365 -3.8258 0.43956
PS.TJN.BHZ. 2023-05-30T00:56:19.56 10.0 positive automatic P 316 2044.6866 -2.11196 1.2325
II.ERM.BHZ.00 2023-05-30T00:56:17.02 10.0 positive automatic P 0 2013.8952 -0.924652 1.02925
JP.JTM.BHZ. 2023-05-30T00:56:00.70 10.0 positive automatic P 355 1887.1776 -2.77705 0.572738
JP.JTU.BHZ. 2023-05-30T00:55:54.90 10.0 positive automatic P 315 1773.2028 3.06485 1.14183
JP.JSU.BHZ. 2023-05-30T00:55:20.60 10.0 positive automatic P 307 1500.9198 1.88634 1.00398
IU.MAJO.BHZ.00 2023-05-30T00:55:12.17 10.0 positive automatic P 343 1481.8167 -3.55887 0.909133
JP.JMN.BHZ. 2023-05-30T00:55:08.50 10.0 positive automatic P 323 1412.2641 0.584356 1.27104
JP.JGF.BHZ. 2023-05-30T00:55:04.05 10.0 positive automatic P 338 1413.5073 -3.76394 0.952381
JP.JHJ2.BHZ. 2023-05-30T00:54:23.90 10.0 positive automatic P 344 1074.1137 -2.10445 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