Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.1 on date 11-05-2023 and time 15:33:14 (Italy) in region Southwestern Ryukyu Islands, Japan [Sea: Japan]

A magnitude Mwp 6.1 earthquake occured in region: Southwestern Ryukyu Islands, Japan [Sea: Japan], on

  • 11-05-2023 13:33:14 (UTC)
  • 11-05-2023 15:33:14 (UTC +02:00) Italian time
  • 11-05-2023 21:33:14 (UTC +08:00) local time in the region of the earthquake (Asia/Taipei)

and geographic coordinates (lat, lon) 24.1240, 125.2860 at 20 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 6.1
Mwpd 6.1 		2023-05-11
13:33:14		 24.1242 125.286 20 2023-05-11
14:43:40		 Sala Sismica INGV-Roma 117252101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-11 13:33:14
Latitude 24.1242
Longitude 125.2860
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 117252101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 9029
Semi-minor axis of confidence ellipse (meter) 3269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 7748.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44.8619
Number of associated phases, regardless of their use for origin computation 91
Number of defining phases 91
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.67326
Epicentral distance of station closest to the epicenter (degree) 2.10146
Epicentral distance of station farthest from the epicenter (degree) 95.84718
Number of stations at which the event was observed 90
Number of stations from which data was used for origin computation 90
Magnitudes information

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.2
Num. used stations 21
Type of magnitude Mwpd
Reference to an origin 117252101
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-11 14:43:40

Mwp:6.1

Field Value
Value 6.1
Uncertainty 0.2
Num. used stations 25
Type of magnitude Mwp
Reference to an origin 117252101
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-11 14:43:40

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 52
Type of magnitude mb
Reference to an origin 117252101
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-05-11 14:43:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
US.TPNV.BHZ.00 2023-05-11T13:46:42.35 10.0 negative automatic PcP 45 10639.0392 3.10405 0
G.SSB.BHZ.00 2023-05-11T13:46:34.80 10.0 negative automatic sP 323 10230.5481 4.50429 0
GE.DSB.BHZ. 2023-05-11T13:46:33.10 10.0 positive automatic sP 333 10215.8073 3.55497 0
US.BOZ.BHZ.00 2023-05-11T13:46:30.50 10.0 positive automatic PcP 36 10349.6178 2.83862 0
US.HLID.BHZ.00 2023-05-11T13:46:29.53 10.0 positive automatic pP 39 10320.3915 -2.90276 0
GE.VOI.BHZ. 2023-05-11T13:46:21.50 10.0 positive automatic sP 245 9885.0606 5.56415 0
US.MSO.BHZ.00 2023-05-11T13:46:20.88 10.0 negative automatic PcP 36 10125.642 2.21851 0
G.ECH.BHZ.00 2023-05-11T13:46:19.30 10.0 negative automatic sP 324 9874.5933 3.97455 0
MN.BNI.BHZ. 2023-05-11T13:46:18.27 10.0 negative automatic P 322 10113.2988 1.06671 0.0856453
US.BMO.BHZ.00 2023-05-11T13:46:17.95 10.0 negative automatic PcP 39 10050.4284 2.31395 0
US.NEW.BHZ.00 2023-05-11T13:46:08.33 10.0 negative automatic PcP 36 9839.4729 1.1694 0
II.BFO.BHZ.00 2023-05-11T13:46:04.87 10.0 positive automatic PcP 324 9797.1708 -0.569921 0
GE.IBBN.BHZ. 2023-05-11T13:45:55.40 10.0 positive automatic P 327 9572.6622 1.51061 0.0561235
OE.KBA.BHZ. 2023-05-11T13:45:54.62 10.0 positive automatic P 321 9562.761 0.904003 0
MN.BLY.BHZ. 2023-05-11T13:45:49.72 10.0 positive automatic P 317 9439.7952 1.76635 0.0847049
MN.PDG.BHZ. 2023-05-11T13:45:48.42 10.0 positive automatic P 315 9417.7839 1.49967 0
OE.ARSA.BHZ. 2023-05-11T13:45:48.07 10.0 positive automatic P 320 9412.2339 1.31145 0
GE.FLT1.BHZ. 2023-05-11T13:45:46.15 10.0 positive automatic P 326 9376.6029 1.09198 0.0877017
HU.KOVH.BHZ. 2023-05-11T13:45:42.45 10.0 positive automatic P 318 9305.1411 0.631126 0.126064
MN.DIVS.BHZ. 2023-05-11T13:45:41.65 10.0 negative automatic P 316 9278.7786 0.925635 0.144792
HT.LIT.HHZ. 2023-05-11T13:45:41.63 10.0 negative automatic P 311 9297.1713 0.13295 0.138379
DK.MUD.BHZ.00 2023-05-11T13:45:39.10 10.0 positive automatic P 330 9233.091 0.671291 0.116144
DK.SCO.BHZ. 2023-05-11T13:45:37.15 10.0 negative automatic P 349 9167.7009 1.7662 0.14811
PL.KSP.BHZ. 2023-05-11T13:45:36.09 10.0 positive automatic P 323 9164.5374 0.808499 0.108121
GE.MORC.BHZ. 2023-05-11T13:45:35.45 10.0 positive automatic P 322 9144.7239 1.02721 0.146466
GE.PSZ.BHZ. 2023-05-11T13:45:33.05 10.0 positive automatic P 319 9089.9343 1.17556 0.101952
MN.BZS.BHZ. 2023-05-11T13:45:33.27 10.0 negative automatic P 317 9086.5821 1.67629 0.158051
HL.RDO.HHZ. 2023-05-11T13:45:29.02 10.0 positive automatic P 311 9015.7752 0.823679 0.159951
DK.KULLO.BHZ. 2023-05-11T13:45:29.32 10.0 positive automatic P 1 9021.8802 0.847605 0.05639
PL.KWP.BHZ. 2023-05-11T13:45:20.09 10.0 positive automatic P 320 8821.3587 1.26329 0.0162887
GE.EIL.BHZ. 2023-05-11T13:45:15.10 10.0 positive automatic P 298 8724.0672 1.1157 0.183961
GE.CSS.BHZ. 2023-05-11T13:45:11.05 10.0 positive automatic P 303 8652.6054 0.595466 0.18578
GE.TIRR.BHZ. 2023-05-11T13:45:11.25 10.0 positive automatic P 314 8655.0918 0.721823 0.125616
PL.SUW.BHZ. 2023-05-11T13:45:07.58 10.0 positive automatic P 324 8590.3566 0.28722 0.195528
GE.DAG.BHZ. 2023-05-11T13:45:03.57 10.0 negative automatic P 352 8519.9715 -0.135499 0.197173
IU.ANTO.BHZ.00 2023-05-11T13:45:03.00 10.0 positive automatic P 308 8503.6545 0.939653 0.166444
AT.SKAG.BHZ. 2023-05-11T13:45:03.90 10.0 negative automatic PcP 31 8208.6276 1.00695 0
CN.ATLI.BHZ. 2023-05-11T13:45:01.93 10.0 positive automatic sP 31 8288.2257 1.79859 0
IU.KIEV.BHZ.00 2023-05-11T13:44:54.72 10.0 positive automatic P 319 8348.1768 -0.185257 0.217377
GE.VSU.BHZ. 2023-05-11T13:44:47.75 10.0 positive automatic P 327 8202.234 0.49489 0.242374
II.ALE.BHZ.00 2023-05-11T13:44:44.72 10.0 negative automatic P 1 8136.9771 0.928711 0
CN.EAGLY.BHZ. 2023-05-11T13:44:38.00 10.0 positive automatic sP 25 7894.1091 0.791414 0
IU.KEV.BHZ.00 2023-05-11T13:44:25.52 10.0 negative automatic P 339 7796.9952 0.129682 0.271413
US.EGAK.BHZ.00 2023-05-11T13:44:23.65 10.0 negative automatic P 27 7745.2137 1.08841 0.280053
II.KIV.BHZ.00 2023-05-11T13:44:15.22 10.0 positive automatic P 310 7590.8016 1.16397 0.274048
II.LVZ.BHZ.00 2023-05-11T13:44:11.72 10.0 positive automatic P 336 7545.8133 0.28052 0.0657185
IU.COLA.BHZ.00 2023-05-11T13:44:07.35 10.0 positive automatic P 27 7432.5933 2.42884 0.306859
II.KDAK.BHZ.00 2023-05-11T13:44:03.82 10.0 negative automatic sP 35 7286.1399 -0.735346 0
AU.TOO.BHZ.00 2023-05-11T13:43:50.85 10.0 positive automatic P 162 7165.2942 1.39251 0.348825
AT.TTA.BHZ. 2023-05-11T13:43:46.78 10.0 negative automatic P 30 7054.5051 -2.50385 0
G.CAN.BHZ.00 2023-05-11T13:43:44.15 10.0 negative automatic P 159 7052.8734 1.32565 0.362296
AU.ARMA.BHZ. 2023-05-11T13:43:20.77 10.0 positive automatic P 154 6671.6994 0.988613 0.40034
II.ARTI.BHZ.00 2023-05-11T13:42:59.87 10.0 positive automatic P 323 6372.51 -1.02877 0.428848
AU.EIDS.BHZ. 2023-05-11T13:42:46.82 10.0 positive automatic P 151 6152.8521 0.045045 0.485121
AU.FORT.BHZ.00 2023-05-11T13:42:43.98 10.0 negative automatic P 177 6101.1261 0.568195 0.469791
AU.QLP.BHZ. 2023-05-11T13:42:35.37 10.0 negative automatic P 159 5983.8324 -0.361066 0.459398
II.SIMI.BHZ.00 2023-05-11T13:42:02.65 10.0 positive automatic P 301 5481.5019 0.530093 0.577306
AU.WRKA.BHZ.00 2023-05-11T13:42:00.78 10.0 positive automatic P 176 5466.2949 -0.163202 0.593768
II.AAK.BHZ.00 2023-05-11T13:41:32.07 10.0 positive automatic P 307 5047.0923 0.358706 0.630531
IU.MBWA.BHZ.00 2023-05-11T13:41:31.57 10.0 negative automatic P 187 5061.8886 -0.94643 0.650906
II.WRAB.BHZ.00 2023-05-11T13:41:26.92 10.0 negative automatic P 168 4987.6296 -0.320402 0.663075
II.KURK.BHZ.00 2023-05-11T13:41:22.57 10.0 positive automatic P 319 4942.3083 -1.38679 0.678733
IU.MAKZ.BHZ.00 2023-05-11T13:40:55.82 10.0 positive automatic P 315 4571.9124 -1.15892 0.661545
IU.MA2.BHZ.00 2023-05-11T13:40:42.77 10.0 positive automatic P 20 4404.1026 -1.65412 0.736017
AU.KDU.BHZ.00 2023-05-11T13:40:24.98 10.0 positive automatic P 168 4159.5252 -0.89449 0.760593
AU.MTN.BHZ.00 2023-05-11T13:40:24.03 10.0 positive automatic P 171 4151.955 -1.27996 0.75333
IO.EVN.BHZ. 2023-05-11T13:40:03.35 10.0 positive automatic P 285 3844.9179 0.883692 0.81542
MY.IPM.BHZ. 2023-05-11T13:39:26.27 10.0 negative automatic P 234 3387.72 0.67392 0.919391
MY.KOM.BHZ. 2023-05-11T13:39:25.72 10.0 positive automatic P 226 3382.2588 0.593491 0.659643
GE.FAKI.BHZ. 2023-05-11T13:39:02.22 10.0 positive automatic P 165 3094.4025 0.100331 0.909091
IU.ULN.BHZ.00 2023-05-11T13:38:58.92 10.0 positive automatic P 333 3084.9453 -2.6945 0.888889
IU.YSS.BHZ.00 2023-05-11T13:38:50.85 10.0 positive automatic P 27 2970.4599 -1.25052 0.615385
GE.SANI.BHZ. 2023-05-11T13:38:46.37 10.0 negative automatic P 178 2906.1465 -0.483878 0.930233
GE.LUWI.BHZ. 2023-05-11T13:38:37.42 10.0 negative automatic P 186 2806.413 -1.28285 0
IU.CHTO.BHZ.00 2023-05-11T13:38:37.72 10.0 positive automatic P 263 2779.4622 1.15602 0.869565
GE.TNTI.BHZ. 2023-05-11T13:38:22.37 10.0 positive automatic P 175 2601.6402 0.554199 0.869565
II.ERM.BHZ.00 2023-05-11T13:38:19.67 10.0 negative automatic P 35 2578.4634 0.0463513 0.909091
IU.GUMO.BHZ.00 2023-05-11T13:38:01.67 10.0 negative automatic P 116 2361.6915 2.82083 0.610687
JP.JTM.BHZ. 2023-05-11T13:37:56.00 10.0 positive automatic P 35 2359.4937 -2.62769 0.43956
RM.DLV.BHZ. 2023-05-11T13:37:48.07 10.0 positive automatic P 236 2225.5389 2.32474 0.784314
RM.SLV.BHZ. 2023-05-11T13:37:46.42 10.0 positive automatic P 266 2208.5115 2.44572 0.909091
IU.MAJO.BHZ.00 2023-05-11T13:37:08.77 10.0 positive automatic P 39 1848.9048 2.76517 0.930233
JP.JGF.BHZ. 2023-05-11T13:36:55.40 10.0 negative automatic P 39 1721.2437 -5.63669 0
G.INU.BHZ.00 2023-05-11T13:36:51.81 10.0 negative automatic P 39 1680.5178 -5.07495 0
JP.JMN.BHZ. 2023-05-11T13:36:01.30 10.0 positive automatic P 36 1352.8125 -4.93824 0.952381
JP.JSU.BHZ. 2023-05-11T13:35:17.75 10.0 positive automatic P 31 963.5688 -0.448553 0.952381
JP.JMZ.BHZ. 2023-05-11T13:34:34.45 10.0 positive automatic P 71 626.2842 -1.97713 0.97561
JP.JOW.BHZ. 2023-05-11T13:34:10.65 10.0 negative automatic P 44 424.3863 -0.806008 0.930233
IU.TATO.BHZ.00 2023-05-11T13:34:09.12 10.0 positive automatic P 285 393.9834 1.43728 0.43956
JP.YOJ.BHZ. 2023-05-11T13:33:47.90 10.0 positive automatic P 280 233.2665 0.15576 0.930233
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