Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.7 on date 22-03-2022 and time 17:41:39 (UTC) in region Taiwan [Sea]

A magnitude Mwp 6.7 earthquake occured in region: Taiwan [Sea], on

  • 22-03-2022 17:41:39 (UTC)
  • 22-03-2022 18:41:39 (UTC +01:00) Italian time
  • 23-03-2022 01:41:39 (UTC +08:00) local time in the region of the earthquake (Asia/Taipei)

and geographic coordinates (lat, lon) 23.2380, 121.6790 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.

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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 5.6
Mwp 6.7
Mwpd 6.8 		2022-03-22
17:41:39		 23.2383 121.679 20 2022-03-22
17:55:36		 Sala Sismica INGV-Roma 102263391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-22 17:41:39
Latitude 23.2383
Longitude 121.6790
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 102263391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8124
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 6557.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 27.7948
Number of associated phases, regardless of their use for origin computation 81
Number of defining phases 81
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.83931
Epicentral distance of station closest to the epicenter (degree) 1.73060
Epicentral distance of station farthest from the epicenter (degree) 78.05866
Number of stations at which the event was observed 76
Number of stations from which data was used for origin computation 76
Magnitudes information

Mwp:6.7

Field Value
Value 6.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude Mwp
Reference to an origin 102263391
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-22 17:55:36

Mwpd:6.8

Field Value
Value 6.8
Uncertainty 0.1
Num. used stations 20
Type of magnitude Mwpd
Reference to an origin 102263391
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-22 17:55:36

mb:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 51
Type of magnitude mb
Reference to an origin 102263391
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-22 17:55:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
G.RER.BHZ.00 2022-03-22T17:53:35.60 10.0 positive automatic P 240 78.0587 -0.0176339 0.176739
GE.DAG.BHZ. 2022-03-22T17:53:27.87 10.0 positive automatic P 351 77.1570 -2.58218 0.193316
IU.POHA.BHZ.00 2022-03-22T17:53:26.97 10.0 negative automatic P 74 75.9961 2.75342 0.206952
GE.EIL.BHZ. 2022-03-22T17:53:24.20 10.0 positive automatic P 297 76.0581 -0.0628164 0.199457
GE.TIRR.BHZ. 2022-03-22T17:53:23.56 10.0 positive automatic P 313 76.1705 -1.32486 0.148782
GE.CSS.BHZ. 2022-03-22T17:53:21.50 10.0 positive automatic P 302 75.6493 -0.459484 0.212872
G.ATD.BHZ.00 2022-03-22T17:53:21.05 10.0 positive automatic P 276 75.3270 0.903099 0.206556
IU.AFI.BHZ.00 2022-03-22T17:53:19.20 10.0 positive automatic P 113 74.9157 1.39865 0.222992
GE.SALP.BHZ. 2022-03-22T17:53:19.17 10.0 positive automatic P 299 75.0933 0.390878 0.202114
GE.MSBI.BHZ. 2022-03-22T17:53:19.55 10.0 positive automatic P 298 75.1977 0.286944 0.203306
GE.SLIT.BHZ. 2022-03-22T17:53:18.50 10.0 positive automatic P 327 75.3423 -1.63812 0.211097
IU.ANTO.BHZ.00 2022-03-22T17:53:15.32 10.0 positive automatic P 307 74.5325 -0.321449 0.232494
GE.VSU.BHZ. 2022-03-22T17:53:04.55 10.0 positive automatic P 327 72.8480 -1.03346 0.236813
G.ROCAM.BHZ.00 2022-03-22T17:52:56.75 10.0 positive automatic P 238 71.2766 0.588844 0.259673
IU.KEV.BHZ.00 2022-03-22T17:52:47.12 10.0 positive automatic P 338 69.8597 -0.407166 0.257846
IU.COLA.BHZ.00 2022-03-22T17:52:43.75 10.0 positive automatic P 27 69.2592 -0.0920776 0.289566
II.RAYN.BHZ.00 2022-03-22T17:52:41.82 10.0 positive automatic P 287 68.9713 -0.305832 0.293033
II.LVZ.BHZ.00 2022-03-22T17:52:35.72 10.0 negative automatic P 336 67.4469 3.15038 0.297559
II.KIV.BHZ.00 2022-03-22T17:52:25.97 10.0 positive automatic P 310 66.4089 -0.0642589 0.317239
IU.GNI.BHZ.00 2022-03-22T17:52:21.57 10.0 positive automatic P 305 65.5951 0.669578 0.33522
IU.JOHN.BHZ.00 2022-03-22T17:52:16.35 10.0 positive automatic P 82 64.4072 3.44323 0.346612
G.CAN.BHZ.00 2022-03-22T17:52:10.30 10.0 positive automatic P 155 64.0186 -0.16829 0.347614
ND.ONTNC.BHZ.00 2022-03-22T17:52:05.00 10.0 negative automatic P 133 63.0155 1.26248 0.352575
G.DZM.BHZ.00 2022-03-22T17:52:03.80 10.0 positive automatic P 133 62.8467 1.05053 0.375229
G.SANVU.BHZ.00 2022-03-22T17:51:37.75 10.0 positive automatic P 127 58.9717 1.48317 0.416309
II.ARTI.BHZ.00 2022-03-22T17:51:14.62 10.0 positive automatic P 323 56.1361 -1.72582 0.468517
IU.ADK.BHZ.00 2022-03-22T17:51:04.50 10.0 positive automatic P 42 54.5564 -0.434219 0.43587
IN.MNC.HHZ. 2022-03-22T17:50:38.56 10.0 positive automatic sP 260 48.8557 8.27812 0
IU.HNR.BHZ.00 2022-03-22T17:50:29.90 10.0 positive automatic P 127 49.6858 1.20205 0.485489
IN.MNC.HHZ. 2022-03-22T17:50:29.19 10.0 positive automatic pP 260 48.8557 0.691634 0
IN.MNC.HHZ. 2022-03-22T17:50:23.34 10.0 positive automatic P 260 48.8557 1.007 0.506657
II.SIMI.BHZ.00 2022-03-22T17:50:08.02 10.0 positive automatic P 302 47.0307 -0.424034 0.564134
II.WRAB.BHZ.00 2022-03-22T17:49:49.92 10.0 positive automatic P 163 44.9067 -1.59843 0.671659
II.AAK.BHZ.00 2022-03-22T17:49:39.62 10.0 positive automatic P 308 43.3900 0.0373045 0.700016
GE.HALK.BHZ. 2022-03-22T17:49:37.35 10.0 positive automatic P 253 42.9915 1.25553 0.65932
II.KURK.BHZ.00 2022-03-22T17:49:35.32 10.0 positive automatic P 321 43.0707 -1.4272 0.697554
II.COCO.BHZ.00 2022-03-22T17:49:35.80 10.0 positive automatic P 217 42.9672 -0.0822905 0.708025
GE.MALK.BHZ. 2022-03-22T17:49:29.82 10.0 positive automatic P 256 42.0752 1.17095 0.691347
IU.MA2.BHZ.00 2022-03-22T17:49:24.22 10.0 positive automatic P 22 41.6807 -1.24192 0.715233
IU.PET.BHZ.00 2022-03-22T17:49:17.72 10.0 positive automatic P 34 40.8179 -0.609385 0.640152
IU.MAKZ.BHZ.00 2022-03-22T17:49:06.62 10.0 positive automatic P 317 39.5066 -0.920582 0.775296
IU.YAK.BHZ.00 2022-03-22T17:49:01.02 10.0 positive automatic P 6 39.1731 -3.65451 0.74557
GE.MNAI.BHZ. 2022-03-22T17:48:12.32 10.0 positive automatic P 216 33.0975 -0.403788 0.809251
GE.SOEI.BHZ. 2022-03-22T17:48:09.87 10.0 positive automatic P 175 33.0892 -2.93487 0.827398
GE.SAUI.BHZ. 2022-03-22T17:48:07.27 10.0 positive automatic P 162 32.6064 -1.14459 0.896669
GE.JAGI.BHZ. 2022-03-22T17:48:06.72 10.0 positive automatic P 194 32.5507 -1.21951 0.876965
GE.SMRI.BHZ. 2022-03-22T17:48:06.17 10.0 positive automatic P 201 32.2172 1.14934 0.904909
GE.GSI.BHZ. 2022-03-22T17:48:02.47 10.0 positive automatic P 230 32.0560 -1.11764 0.847777
GE.GENI.BHZ. 2022-03-22T17:48:01.47 10.0 positive automatic P 143 31.4916 2.85614 0.92037
GE.MMRI.BHZ. 2022-03-22T17:48:00.82 10.0 positive automatic P 179 31.8773 -1.20246 0.870675
GE.LHMI.BHZ. 2022-03-22T17:47:46.07 10.0 positive automatic P 237 29.8782 1.70287 0.930233
IU.YSS.BHZ.00 2022-03-22T17:47:39.65 10.0 positive automatic P 30 29.1256 1.92799 0.930233
II.KAPI.BHZ.00 2022-03-22T17:47:29.67 10.0 positive automatic P 184 28.3139 -0.862079 0.888889
GE.FAKI.BHZ. 2022-03-22T17:47:28.02 10.0 positive automatic P 157 28.1126 -0.692133 0.909091
MY.IPM.BHZ. 2022-03-22T17:47:22.22 10.0 positive automatic P 230 27.3750 0.0856352 0.909091
MY.KUM.BHZ. 2022-03-22T17:47:20.17 10.0 positive automatic P 232 27.0758 0.757422 0.8
IU.ULN.BHZ.00 2022-03-22T17:47:18.52 10.0 positive automatic P 338 27.2427 -2.65909 0.851064
II.ERM.BHZ.00 2022-03-22T17:47:07.22 10.0 positive automatic P 38 25.9234 -1.78637 0.952381
GE.SANI.BHZ. 2022-03-22T17:47:04.27 10.0 positive automatic P 170 25.6328 -2.10013 0.952381
GE.BKB.BHZ. 2022-03-22T17:47:00.62 10.0 positive automatic P 191 24.7838 1.95215 0.909091
IU.GUMO.BHZ.00 2022-03-22T17:46:53.55 10.0 negative automatic PKPPKPdf 110 23.9781 2.20907 0.930233
GE.LUWI.BHZ. 2022-03-22T17:46:52.07 10.0 positive automatic P 177 24.3023 -2.19739 0.8
JP.JTM.BHZ. 2022-03-22T17:46:47.35 10.0 negative automatic P 38 23.9340 -3.57759 0.930233
GE.TNTI.BHZ. 2022-03-22T17:46:41.72 10.0 positive automatic P 165 23.1343 -1.39296 0.888889
MY.SBM.BHZ. 2022-03-22T17:46:38.82 10.0 positive automatic P 205 22.7167 0.0861502 0.97561
IU.CHTO.BHZ.00 2022-03-22T17:46:28.60 10.0 positive automatic P 263 21.6508 1.18841 0.930233
IU.MAJO.BHZ.00 2022-03-22T17:46:03.07 10.0 positive automatic P 43 19.4964 -0.993721 0.909091
JP.JHJ2.BHZ. 2022-03-22T17:46:00.50 10.0 negative automatic P 54 18.7460 4.71914 0.888889
JP.JGF.BHZ. 2022-03-22T17:45:51.85 10.0 positive automatic P 44 18.3740 0.0806879 0.888889
G.INU.BHZ.00 2022-03-22T17:45:47.86 10.0 positive automatic SKKSdf 44 18.0089 0.577518 0.909091
RM.DLV.BHZ. 2022-03-22T17:45:36.77 10.0 positive automatic P 230 16.8784 3.34571 0.888889
IU.INCN.BHZ.00 2022-03-22T17:45:08.67 10.0 positive automatic P 15 14.8579 1.57577 0.952381
JP.JTU.BHZ. 2022-03-22T17:44:46.45 10.0 negative automatic P 29 13.1452 2.71359 0.888889
JP.JSU.BHZ. 2022-03-22T17:44:20.10 10.0 positive automatic P 41 11.3529 0.806937 0.909091
JP.JMZ.BHZ. 2022-03-22T17:43:46.10 10.0 negative automatic P 71 9.0558 -1.66702 0.909091
JP.JOW.BHZ. 2022-03-22T17:43:18.30 10.0 positive automatic P 58 6.9715 -0.899581 0.869565
JP.YOJ.BHZ. 2022-03-22T17:42:08.15 10.0 negative automatic PKKSdf 44 1.7306 1.01357 0.952381
IU.TATO.BHZ.00 2022-03-22T17:42:05.97 10.0 negative automatic PKKSdf 355 1.7431 -1.36075 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