Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwpd 7.3 on date 29-12-2021 and time 18:25:52 (UTC) in region Indonesia [Sea]

A magnitude Mwpd 7.3 earthquake occured in region: Indonesia [Sea], on

  • 29-12-2021 18:25:52 (UTC)
  • 29-12-2021 19:25:52 (UTC +01:00) Italian time
  • 30-12-2021 03:25:52 (UTC +09:00) local time in the region of the earthquake (Asia/Dili)

and geographic coordinates (lat, lon) -7.5780, 127.5700 at 176 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 6.0
Mwp 7.2
Mwpd 7.3 		2021-12-29
18:25:52		 -7.5779 127.57 176 2021-12-29
18:40:28		 Sala Sismica INGV-Roma 99121201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 18:25:52
Latitude -7.5779
Longitude 127.5700
Depth (km) 176 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 99121201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3133
Semi-minor axis of confidence ellipse (meter) 1693
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
Circular confidence region, given by single value of horizontal uncertainty (meter) 2881.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 22.2411
Number of associated phases, regardless of their use for origin computation 96
Number of defining phases 96
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.56691
Epicentral distance of station closest to the epicenter (degree) 3.71666
Epicentral distance of station farthest from the epicenter (degree) 59.86456
Number of stations at which the event was observed 86
Number of stations from which data was used for origin computation 86
Magnitudes information

Mwpd:7.3

Field Value
Value 7.3
Uncertainty 0.2
Num. used stations 49
Type of magnitude Mwpd
Reference to an origin 99121201
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-29 18:40:28

Mwp:7.2

Field Value
Value 7.2
Uncertainty 0.1
Num. used stations 62
Type of magnitude Mwp
Reference to an origin 99121201
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-29 18:40:28

mb:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 60
Type of magnitude mb
Reference to an origin 99121201
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-29 18:40:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.AFI.BHZ.00 2021-12-29T18:35:41.30 10.0 positive automatic P 102 59.7806 2.32105 0.414416
IU.SNZO.BHZ.00 2021-12-29T18:35:40.70 10.0 positive automatic pP 137 53.5854 5.60291 0
IU.CASY.BHZ.00 2021-12-29T18:35:39.67 10.0 positive automatic P 188 59.8646 0.245017 0.413211
IU.MAJO.BHZ.00 2021-12-29T18:33:48.92 10.0 positive automatic P 12 45.2361 -3.18199 0.649595
IU.ULN.BHZ.00 2021-12-29T18:35:28.52 10.0 positive automatic P 344 58.3262 -0.612687 0
GE.HMDM.BHZ. 2021-12-29T18:35:14.62 10.0 positive automatic P 283 56.1053 1.32209 0.447562
IU.YSS.BHZ.00 2021-12-29T18:35:12.40 10.0 positive automatic P 12 56.1805 -1.45692 0.302223
GE.KAAM.BHZ. 2021-12-29T18:35:06.32 10.0 positive automatic P 276 55.0085 0.839612 0.313888
G.AIS.BHZ.00 2021-12-29T18:35:02.70 10.0 positive automatic P 228 54.2437 2.71418 0.486166
NZ.URZ.HHZ.10 2021-12-29T18:34:59.07 10.0 positive automatic P 132 54.0722 0.310752 0.498071
IU.SNZO.BHZ.00 2021-12-29T18:34:55.17 10.0 positive automatic P 137 53.5854 -0.0607516 0.508155
AU.MCQ.BHZ.00 2021-12-29T18:34:53.85 10.0 positive automatic P 158 53.2153 1.33126 0.490692
NZ.KHZ.HHZ.10 2021-12-29T18:34:53.88 10.0 positive automatic P 139 53.2997 0.736524 0.527789
NZ.ODZ.HHZ.10 2021-12-29T18:34:49.56 10.0 positive automatic P 143 52.7738 0.223127 0.516227
II.ERM.BHZ.00 2021-12-29T18:34:39.37 10.0 positive automatic P 15 51.5992 -1.27259 0
IU.FUNA.BHZ.00 2021-12-29T18:34:38.82 10.0 positive automatic P 95 51.0869 1.98646 0.548661
NZ.OUZ.HHZ.10 2021-12-29T18:34:33.55 10.0 positive automatic P 130 50.3311 2.3624 0.577728
II.MSVF.BHZ.00 2021-12-29T18:34:32.32 10.0 positive automatic P 107 50.1364 2.46181 0
JP.JTM.BHZ. 2021-12-29T18:34:26.00 10.0 positive automatic P 13 49.9347 -2.2211 0.486741
GE.MALK.BHZ. 2021-12-29T18:34:24.67 10.0 positive automatic P 288 49.5167 -0.393545 0.548782
II.PALK.BHZ.00 2021-12-29T18:34:22.90 10.0 negative automatic P 287 49.0350 1.41684 0.556586
GE.HALK.BHZ. 2021-12-29T18:34:18.60 10.0 positive automatic P 285 48.7256 -0.463191 0.50432
IU.WAKE.BHZ.00 2021-12-29T18:34:05.72 10.0 positive automatic P 55 46.9396 0.38902 0.619329
IU.INCN.BHZ.00 2021-12-29T18:33:49.62 10.0 positive automatic P 359 45.0623 -1.04987 0.537538
AU.NFK.BHZ.00 2021-12-29T18:33:41.06 10.0 positive automatic P 125 43.5886 2.05267 0.631444
JP.JGF.BHZ. 2021-12-29T18:33:41.05 10.0 positive automatic P 11 44.1528 -2.51788 0.30887
G.INU.BHZ.00 2021-12-29T18:33:39.26 10.0 positive automatic P 11 43.8430 -1.76436 0.578472
JP.JSG.BHZ. 2021-12-29T18:33:35.85 10.0 positive automatic P 13 43.4288 -1.86598 0.521179
JP.JTU.BHZ. 2021-12-29T18:33:26.50 10.0 positive automatic P 2 42.1390 -0.839674 0.326064
JP.JHJ2.BHZ. 2021-12-29T18:33:25.30 10.0 positive automatic P 15 42.3241 -3.53683 0.45425
JP.JMN.BHZ. 2021-12-29T18:33:22.65 10.0 positive automatic P 8 41.7388 -1.52952 0.638039
G.DZM.BHZ.00 2021-12-29T18:33:12.28 10.0 positive automatic P 115 40.1156 1.2959 0.752082
ND.ONTNC.BHZ.00 2021-12-29T18:33:12.55 10.0 positive automatic P 116 40.1866 1.11643 0.726261
G.SANVU.BHZ.00 2021-12-29T18:33:07.95 10.0 positive automatic P 105 39.5580 1.70499 0.755696
II.TAU.BHZ.00 2021-12-29T18:33:05.87 10.0 positive automatic P 157 39.3648 1.21114 0.741784
JP.JSU.BHZ. 2021-12-29T18:33:01.50 10.0 positive automatic P 4 39.1827 -1.69929 0.728309
IU.CHTO.BHZ.00 2021-12-29T18:32:58.70 10.0 positive automatic P 313 38.6383 0.0127737 0.782956
AU.LHI.BHZ.00 2021-12-29T18:32:53.00 10.0 positive automatic P 133 37.8595 0.877313 0.761783
ND.KOUNC.BHZ.00 2021-12-29T18:32:52.85 10.0 positive automatic P 114 37.7820 1.3758 0.790526
RM.SLV.BHZ. 2021-12-29T18:32:46.12 10.0 positive automatic P 322 37.0778 0.468286 0.767984
AU.MILA.BHZ.00 2021-12-29T18:32:32.55 10.0 positive automatic P 150 35.4034 1.06975 0.848507
JP.JOW.BHZ. 2021-12-29T18:32:22.15 10.0 positive automatic P 1 34.4192 -0.807941 0.819602
AU.RIV.BHZ. 2021-12-29T18:32:21.97 10.0 positive automatic P 144 34.0989 1.79966 0.825934
AU.TOO.BHZ.00 2021-12-29T18:32:21.85 10.0 positive automatic P 154 34.1084 1.4985 0.886166
G.CAN.BHZ.00 2021-12-29T18:32:20.30 10.0 positive automatic P 148 33.9858 0.987079 0.847436
JP.JMZ.BHZ. 2021-12-29T18:32:15.15 10.0 negative automatic P 6 33.5846 -0.58721 0.707512
GE.LHMI.BHZ. 2021-12-29T18:32:11.82 10.0 positive automatic P 292 33.1258 0.0560425 0.885572
IU.TATO.BHZ.00 2021-12-29T18:32:09.12 10.0 positive automatic P 350 33.0830 -2.30134 0.409141
AU.ARMA.BHZ. 2021-12-29T18:32:03.70 10.0 positive automatic P 139 32.0767 0.865869 0.847218
JP.YOJ.BHZ. 2021-12-29T18:32:03.70 10.0 positive automatic P 352 32.3506 -1.33211 0.252538
IU.HNR.BHZ.00 2021-12-29T18:32:02.95 10.0 positive automatic P 96 32.0629 0.410788 0.857013
GE.GSI.BHZ. 2021-12-29T18:31:53.52 10.0 positive automatic P 285 31.2070 -1.52434 0.904769
II.COCO.BHZ.00 2021-12-29T18:31:49.77 10.0 positive automatic P 259 30.6068 0.0134938 0.433496
MY.KUM.BHZ. 2021-12-29T18:31:42.67 10.0 positive automatic P 295 29.7804 0.174784 0.930233
MY.IPM.BHZ. 2021-12-29T18:31:36.97 10.0 positive automatic P 294 29.0992 0.462562 0.952381
AU.EIDS.BHZ. 2021-12-29T18:31:31.35 10.0 positive automatic P 131 28.6188 -0.910952 0.888889
AU.HTT.BHZ. 2021-12-29T18:31:25.82 10.0 positive automatic P 159 27.9027 -0.167078 0.952381
GE.BKNI.BHZ. 2021-12-29T18:31:23.52 10.0 positive automatic P 285 27.6091 0.249043 0.869565
RM.DLV.BHZ. 2021-12-29T18:31:20.47 10.0 positive automatic P 316 27.2328 0.349774 0.43956
IU.GUMO.BHZ.00 2021-12-29T18:31:18.00 10.0 positive automatic P 39 27.2574 -1.16647 0.898876
IU.NWAO.BHZ.00 2021-12-29T18:31:18.17 10.0 positive automatic P 199 27.0975 -0.604739 0.963855
GE.JAGI.BHZ. 2021-12-29T18:31:17.02 10.0 positive automatic S 265 13.3149 -5.28533 0
MY.KOM.BHZ. 2021-12-29T18:31:05.27 10.0 positive automatic P 291 25.4520 1.29669 0.930233
GE.MNAI.BHZ. 2021-12-29T18:30:54.32 10.0 positive automatic P 276 24.6846 -2.73417 0.43956
AU.MORW.BHZ. 2021-12-29T18:30:50.87 10.0 positive automatic P 205 24.0757 -0.68797 0.952381
GE.PMBI.BHZ. 2021-12-29T18:30:44.17 10.0 positive automatic P 280 23.2412 0.251429 0.930233
AU.FORT.BHZ.00 2021-12-29T18:30:43.03 10.0 positive automatic P 179 23.2046 -0.58644 0.952381
IU.CTAO.BHZ.00 2021-12-29T18:30:33.02 10.0 positive automatic P 127 21.9979 0.452078 0.952381
AU.XMI.BHZ. 2021-12-29T18:30:28.55 10.0 negative automatic P 261 21.7945 -1.88721 0.952381
AU.MANU.BHZ.00 2021-12-29T18:30:17.50 10.0 positive automatic P 75 20.4793 0.992351 0.869565
MY.SBM.BHZ. 2021-12-29T18:29:56.07 10.0 positive automatic P 303 18.3114 2.9 0.232558
AU.WRKA.BHZ.00 2021-12-29T18:29:43.38 10.0 negative automatic P 178 17.4725 -0.713562 0.930233
GE.SMRI.BHZ. 2021-12-29T18:29:37.72 10.0 positive automatic P 271 16.9961 -1.07037 0.769231
IU.MBWA.BHZ.00 2021-12-29T18:29:19.82 10.0 positive automatic P 208 15.5484 -2.49489 0.952381
IU.DAV.BHZ.00 2021-12-29T18:29:13.20 10.0 negative automatic P 352 14.7808 0.305368 0.879121
GE.GENI.BHZ. 2021-12-29T18:28:55.57 10.0 negative automatic P 69 13.4979 -1.32669 0.43956
GE.JAGI.BHZ. 2021-12-29T18:28:50.17 10.0 positive automatic P 265 13.3149 -4.44724 0.43956
AU.KDU.BHZ.00 2021-12-29T18:28:46.13 10.0 positive automatic S 137 7.0267 -5.64069 0
GE.TNTI.BHZ. 2021-12-29T18:27:52.17 10.0 negative automatic P 359 8.3518 1.91658 0.930233
II.KAPI.BHZ.00 2021-12-29T18:27:49.62 10.0 negative automatic P 288 8.1818 1.56079 0.91954
GE.LUWI.BHZ. 2021-12-29T18:27:49.92 10.0 negative automatic P 324 8.0982 3.01474 0.952381
AU.KDU.BHZ.00 2021-12-29T18:27:30.33 10.0 negative automatic P 137 7.0267 -2.46981 0.987654
GE.FAKI.BHZ. 2021-12-29T18:27:25.12 10.0 positive automatic P 45 6.5877 -1.91454 0.952381
AU.MTN.BHZ.00 2021-12-29T18:27:20.48 10.0 negative automatic P 147 6.3253 -3.10591 0.91954
GE.SANI.BHZ. 2021-12-29T18:27:18.17 10.0 negative automatic P 344 5.7482 2.18037 0.97561
GE.MMRI.BHZ. 2021-12-29T18:27:11.72 10.0 positive automatic P 258 5.3834 0.486342 0.930233
GE.SOEI.BHZ. 2021-12-29T18:26:52.42 10.0 positive automatic P 236 3.9239 -0.11687 0.930233
GE.BNDI.BHZ. 2021-12-29T18:26:52.27 10.0 positive automatic P 37 3.8372 1.00938 0.888889
GE.SAUI.BHZ. 2021-12-29T18:26:48.87 10.0 positive automatic P 97 3.7167 -0.879584 0.888889
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