Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.6 on date 10-11-2021 and time 16:45:13 (Italy) in region Southeast of Ryukyu Islands, Japan [Sea: Japan]

A magnitude Mwp 6.6 earthquake occured in region: Southeast of Ryukyu Islands, Japan [Sea: Japan], on

  • 10-11-2021 15:45:13 (UTC)
  • 10-11-2021 16:45:13 (UTC +01:00) Italian time
  • 10-11-2021 23:45:13 (UTC +08:00) local time in the region of the earthquake (Asia/Taipei)

and geographic coordinates (lat, lon) 23.4950, 126.4750 at 10 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 5.7
Mwp 6.6
Mwpd 6.7 		2021-11-10
15:45:13		 23.4949 126.475 10 2021-11-10
15:58:56		 Sala Sismica INGV-Roma 97382461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-10 15:45:13
Latitude 23.4949
Longitude 126.4750
Depth (km) 10 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 97382461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8291
Semi-minor axis of confidence ellipse (meter) 4523
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 6693.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 27.8401
Number of associated phases, regardless of their use for origin computation 87
Number of defining phases 87
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.00585
Epicentral distance of station closest to the epicenter (degree) 3.31007
Epicentral distance of station farthest from the epicenter (degree) 62.56144
Number of stations at which the event was observed 79
Number of stations from which data was used for origin computation 79
Magnitudes information

Mwp:6.6

Field Value
Value 6.6
Uncertainty 0.1
Num. used stations 57
Type of magnitude Mwp
Reference to an origin 97382461
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-11-10 15:58:56

Mwpd:6.7

Field Value
Value 6.7
Uncertainty 0.2
Num. used stations 47
Type of magnitude Mwpd
Reference to an origin 97382461
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-11-10 15:58:56

mb:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 60
Type of magnitude mb
Reference to an origin 97382461
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-11-10 15:58:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
G.CAN.BHZ.00 2021-11-10T15:55:37.20 10.0 positive automatic P 159 62.5614 0.67655 0.375477
IU.JOHN.BHZ.00 2021-11-10T15:55:24.07 10.0 positive automatic P 84 60.0081 4.95775 0.406354
ND.ONTNC.BHZ.00 2021-11-10T15:55:19.70 10.0 negative automatic P 137 60.0747 0.117178 0.374566
G.DZM.BHZ.00 2021-11-10T15:55:19.00 10.0 positive automatic P 137 59.8956 0.512521 0.416772
AU.HTT.BHZ. 2021-11-10T15:55:05.20 10.0 positive automatic P 168 58.1446 -1.11657 0.443559
ND.KOUNC.BHZ.00 2021-11-10T15:55:01.85 10.0 negative automatic P 137 57.4173 0.757687 0
AK.GAMB.BHZ. 2021-11-10T15:54:58.03 10.0 negative automatic P 28 56.6992 2.03614 0.451289
IU.NWAO.BHZ.00 2021-11-10T15:54:57.72 10.0 negative automatic P 189 57.1037 -1.20861 0.459253
G.SANVU.BHZ.00 2021-11-10T15:54:49.50 10.0 negative automatic P 130 55.6859 0.734644 0.453733
AU.EIDS.BHZ. 2021-11-10T15:54:38.35 10.0 negative automatic P 152 54.3644 -0.889673 0.507976
AU.FORT.BHZ.00 2021-11-10T15:54:37.68 10.0 negative automatic P 178 54.2928 -1.02732 0.497008
AU.MORW.BHZ. 2021-11-10T15:54:30.00 10.0 negative automatic P 191 53.5109 -2.01434 0.480762
AU.QLP.BHZ. 2021-11-10T15:54:27.47 10.0 positive automatic P 160 52.9379 -1.30313 0.531192
IU.ADK.BHZ.00 2021-11-10T15:54:18.60 10.0 negative automatic P 41 51.4412 0.957619 0.53024
II.SIMI.BHZ.00 2021-11-10T15:54:13.12 10.0 negative automatic P 302 50.6403 1.53218 0.556109
IU.MIDW.BHZ.00 2021-11-10T15:54:13.87 10.0 positive automatic P 72 50.3132 4.75042 0.536037
AU.WRKA.BHZ.00 2021-11-10T15:53:54.85 10.0 negative automatic P 178 48.5624 -1.00286 0.577462
IU.TIXI.BHZ.00 2021-11-10T15:53:52.57 10.0 negative automatic P 1 48.1564 -0.0527622 0.534557
AU.GIRL.BHZ.00 2021-11-10T15:53:50.65 10.0 positive automatic P 195 47.6460 1.97195 0.389243
IU.CTAO.BHZ.00 2021-11-10T15:53:48.80 10.0 negative automatic P 155 47.6557 -0.000432972 0.572772
GE.HALK.BHZ. 2021-11-10T15:53:48.00 10.0 positive automatic P 256 47.3019 1.99928 0.572161
II.PALK.BHZ.00 2021-11-10T15:53:43.97 10.0 positive automatic P 257 46.7618 2.12292 0.629997
II.AAK.BHZ.00 2021-11-10T15:53:43.42 10.0 negative automatic P 307 46.7161 1.72768 0.594971
AT.SMY.BHZ. 2021-11-10T15:53:41.76 10.0 negative automatic P 38 46.2463 4.0294 0.61406
GE.MALK.BHZ. 2021-11-10T15:53:41.22 10.0 negative automatic P 259 46.4289 2.04722 0.613759
II.KURK.BHZ.00 2021-11-10T15:53:34.35 10.0 positive automatic P 319 45.7137 0.789938 0.591768
IU.MBWA.BHZ.00 2021-11-10T15:53:26.57 10.0 negative automatic P 189 45.1322 -2.37235 0.636358
II.WRAB.BHZ.00 2021-11-10T15:53:19.75 10.0 negative automatic P 169 44.1019 -0.997692 0.678269
IU.MAKZ.BHZ.00 2021-11-10T15:53:07.00 10.0 positive automatic P 315 42.4044 0.930681 0.662138
AU.FITZ.BHZ. 2021-11-10T15:52:58.55 10.0 negative automatic P 181 41.6031 -1.88812 0.725237
IU.MA2.BHZ.00 2021-11-10T15:52:46.97 10.0 negative automatic P 19 39.9078 0.48312 0.748974
AU.XMI.BHZ. 2021-11-10T15:52:43.22 10.0 positive automatic P 213 39.5661 -0.405359 0.755586
IU.YAK.BHZ.00 2021-11-10T15:52:34.57 10.0 positive automatic P 2 38.5962 -0.910839 0.756496
IU.PET.BHZ.00 2021-11-10T15:52:33.57 10.0 positive automatic P 31 38.2411 1.07247 0.781496
IU.WAKE.BHZ.00 2021-11-10T15:52:30.42 10.0 negative automatic P 89 37.5267 3.97603 0.786286
AU.RABL.BHZ.00 2021-11-10T15:52:25.73 10.0 negative automatic P 135 37.3334 0.874866 0.7995
AU.KDU.BHZ.00 2021-11-10T15:52:17.15 10.0 positive automatic P 170 36.6529 -1.87048 0.803562
AU.MTN.BHZ.00 2021-11-10T15:52:16.38 10.0 positive automatic P 172 36.6215 -2.39417 0.751164
GE.MNAI.BHZ. 2021-11-10T15:52:15.07 10.0 negative automatic P 223 36.0813 0.911139 0
GE.GSI.BHZ. 2021-11-10T15:52:11.02 10.0 negative automatic P 236 35.7306 -0.122239 0.759457
GE.LHMI.BHZ. 2021-11-10T15:51:56.82 10.0 negative automatic P 242 33.7975 2.399 0.851311
GE.JAGI.BHZ. 2021-11-10T15:51:55.92 10.0 negative automatic P 202 34.1585 -1.67072 0.558328
II.TLY.BHZ.00 2021-11-10T15:51:48.37 10.0 positive automatic P 334 33.1874 -0.832421 0.884332
GE.SOEI.BHZ. 2021-11-10T15:51:47.27 10.0 negative automatic P 184 33.3187 -3.16547 0.841507
AU.MANU.BHZ.00 2021-11-10T15:51:45.00 10.0 negative automatic P 139 32.6420 0.639596 0.783836
GE.MMRI.BHZ. 2021-11-10T15:51:40.47 10.0 negative automatic P 188 32.3952 -1.72337 0.860074
GE.SAUI.BHZ. 2021-11-10T15:51:36.22 10.0 negative automatic P 171 31.8274 -0.981811 0.833693
IN.SHL.HHZ. 2021-11-10T15:51:35.50 10.0 positive automatic P 281 31.4729 1.4299 0.907698
MY.IPM.BHZ. 2021-11-10T15:51:31.22 10.0 negative automatic P 236 31.0489 0.845461 0.952438
II.KAPI.BHZ.00 2021-11-10T15:51:12.52 10.0 negative automatic P 194 29.2530 -1.97853 0.610687
IU.ULN.BHZ.00 2021-11-10T15:51:09.87 10.0 positive automatic P 332 28.8483 -1.25817 0.888889
GE.BNDI.BHZ. 2021-11-10T15:51:03.87 10.0 negative automatic P 173 28.2152 -1.34809 0
IU.YSS.BHZ.00 2021-11-10T15:50:54.00 10.0 positive automatic P 25 26.8483 1.01003 0.833333
GE.FAKI.BHZ. 2021-11-10T15:50:53.77 10.0 negative automatic P 167 27.0054 -0.631926 0.930233
GE.BKB.BHZ. 2021-11-10T15:50:49.97 10.0 negative automatic P 202 26.3022 1.91117 0.869565
IU.CHTO.BHZ.00 2021-11-10T15:50:46.07 10.0 positive automatic P 265 26.0546 0.197153 0.987654
GE.SANI.BHZ. 2021-11-10T15:50:39.42 10.0 positive automatic P 181 25.5478 -1.78935 0.833333
MY.SBM.BHZ. 2021-11-10T15:50:33.67 10.0 negative automatic P 215 25.1644 -4.09601 0.952381
GE.LUWI.BHZ. 2021-11-10T15:50:31.67 10.0 negative automatic P 189 24.7984 -2.72567 0
II.ERM.BHZ.00 2021-11-10T15:50:18.12 10.0 positive automatic P 33 23.1411 -0.596703 0.97561
GE.TNTI.BHZ. 2021-11-10T15:50:14.72 10.0 negative automatic P 178 22.7386 0.254931 0.930233
RM.SLV.BHZ. 2021-11-10T15:49:57.17 10.0 positive automatic P 268 20.9535 1.71572 0.97561
JP.JTM.BHZ. 2021-11-10T15:49:57.10 10.0 positive automatic P 32 21.1873 -0.792294 0.754717
RM.DLV.BHZ. 2021-11-10T15:49:53.77 10.0 negative automatic P 239 20.6258 1.76705 0.615385
IU.GUMO.BHZ.00 2021-11-10T15:49:48.07 10.0 negative automatic P 116 20.0230 2.79233 0.8
IU.MAJO.BHZ.00 2021-11-10T15:49:02.12 10.0 positive automatic P 35 16.5062 -1.85376 0.952381
JP.JHJ2.BHZ. 2021-11-10T15:48:48.00 10.0 positive automatic P 48 15.1562 1.58211 0.97561
JP.JGF.BHZ. 2021-11-10T15:48:47.25 10.0 positive automatic P 35 15.3448 -1.73062 0.952381
JP.JSG.BHZ. 2021-11-10T15:48:46.60 10.0 positive automatic P 40 15.1326 0.488154 0.952381
JP.JCJ.BHZ. 2021-11-10T15:48:43.70 10.0 positive automatic P 72 14.6406 4.24562 0.888889
G.INU.BHZ.00 2021-11-10T15:48:42.06 10.0 negative automatic P 35 14.9795 -2.01456 0.869565
IU.INCN.BHZ.00 2021-11-10T15:48:29.47 10.0 positive automatic P 0 13.9827 -0.997358 0.909091
JP.JMN.BHZ. 2021-11-10T15:48:01.40 10.0 negative automatic P 31 12.1149 -3.63939 0.909091
JP.JTU.BHZ. 2021-11-10T15:47:53.50 10.0 positive automatic P 12 11.3224 -0.619236 0.769231
JP.JSU.BHZ. 2021-11-10T15:47:16.85 10.0 negative automatic P 23 8.7542 -2.14123 0.909091
IU.TATO.BHZ.00 2021-11-10T15:46:24.47 10.0 positive automatic P 289 4.7730 0.185058 0.930233
JP.JMZ.BHZ. 2021-11-10T15:46:23.50 10.0 positive automatic P 61 4.9016 -2.5364 0.97561
JP.JOW.BHZ. 2021-11-10T15:46:08.10 10.0 positive automatic P 26 3.7159 -1.66397 0.952381
JP.YOJ.BHZ. 2021-11-10T15:46:03.65 10.0 positive automatic P 288 3.3101 -0.500475 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