Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.3 on date 23-08-2022 and time 14:31:43 (UTC) in region Southern Sumatera, Indonesia [Sea: Indonesia]

A magnitude Mwp 6.3 earthquake occured in region: Southern Sumatera, Indonesia [Sea: Indonesia], on

  • 23-08-2022 14:31:43 (UTC)
  • 23-08-2022 16:31:43 (UTC +02:00) Italian time
  • 23-08-2022 21:31:43 (UTC +07:00) local time in the region of the earthquake (Asia/Jakarta)

and geographic coordinates (lat, lon) -4.9610, 103.1100 at 75 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 6.3
Mwpd 6.3 		2022-08-23
14:31:43		 -4.9606 103.11 75 2022-08-23
14:54:51		 Sala Sismica INGV-Roma 108866251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-23 14:31:43
Latitude -4.9606
Longitude 103.1100
Depth (km) 75 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 108866251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7250
Semi-minor axis of confidence ellipse (meter) 4570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 6792.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70.4222
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 79
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.80126
Epicentral distance of station closest to the epicenter (degree) 0.61935
Epicentral distance of station farthest from the epicenter (degree) 70.02751
Number of stations at which the event was observed 74
Number of stations from which data was used for origin computation 74
Magnitudes information

Mwp:6.3

Field Value
Value 6.3
Uncertainty 0.1
Num. used stations 43
Type of magnitude Mwp
Reference to an origin 108866251
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-23 14:54:51

Mwpd:6.3

Field Value
Value 6.3
Uncertainty 0.1
Num. used stations 34
Type of magnitude Mwpd
Reference to an origin 108866251
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-23 14:54:51

mb:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 54
Type of magnitude mb
Reference to an origin 108866251
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-23 14:54:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.YAK.BHZ.00 2022-08-23T14:42:44.92 10.0 positive automatic P 13 70.0275 -1.69478 0.280358
IU.WAKE.BHZ.00 2022-08-23T14:42:28.92 10.0 negative automatic P 67 67.0169 1.07571 0
AU.NFK.BHZ.00 2022-08-23T14:42:21.98 10.0 negative automatic P 120 65.6400 2.89972 0
ND.MARNC.BHZ.00 2022-08-23T14:42:15.95 10.0 positive automatic P 111 64.8707 1.8756 0.29535
G.SANVU.BHZ.00 2022-08-23T14:42:08.15 10.0 positive automatic P 105 63.7289 1.53289 0.351325
ND.ONTNC.BHZ.00 2022-08-23T14:42:07.10 10.0 positive automatic P 112 63.4893 2.05498 0.338709
IU.YSS.BHZ.00 2022-08-23T14:41:58.75 10.0 positive automatic P 29 62.5879 -0.336466 0.358065
IU.CASY.BHZ.00 2022-08-23T14:41:51.47 10.0 negative automatic P 177 61.5352 -0.543398 0.380575
ND.KOUNC.BHZ.00 2022-08-23T14:41:51.95 10.0 positive automatic P 111 61.3055 1.4708 0.358681
JP.JKA.BHZ. 2022-08-23T14:41:45.45 10.0 positive automatic pP 34 58.5041 -4.96895 0
II.ERM.BHZ.00 2022-08-23T14:41:37.92 10.0 positive automatic P 34 59.4171 0.323345 0.400611
II.KURK.BHZ.00 2022-08-23T14:41:37.57 10.0 positive automatic P 342 59.5250 -0.794158 0.399125
JP.JTM.BHZ. 2022-08-23T14:41:23.35 10.0 positive automatic P 34 57.4325 -0.449896 0.448859
GE.VOI.BHZ. 2022-08-23T14:41:22.20 10.0 negative automatic P 247 56.9801 1.41092 0.445048
IU.HNR.BHZ.00 2022-08-23T14:41:17.12 10.0 positive automatic P 98 56.5093 -0.153942 0.427165
JP.JMM.BHZ. 2022-08-23T14:41:07.45 10.0 positive automatic P 36 55.2924 -1.13275 0.449318
IU.MAKZ.BHZ.00 2022-08-23T14:41:05.65 10.0 positive automatic P 342 55.0392 -1.20124 0.485339
II.TAU.BHZ.00 2022-08-23T14:41:03.97 10.0 positive automatic P 141 54.4137 1.72373 0.472604
II.AAK.BHZ.00 2022-08-23T14:41:00.77 10.0 positive automatic P 334 54.2083 -0.242445 0.486748
II.SIMI.BHZ.00 2022-08-23T14:40:56.02 10.0 positive automatic P 327 53.8286 -2.18527 0.470713
AU.RIV.BHZ. 2022-08-23T14:40:54.30 10.0 positive automatic P 129 53.0287 2.18319 0.517087
IU.ULN.BHZ.00 2022-08-23T14:40:51.47 10.0 positive automatic P 3 52.9370 -0.239454 0.506498
IU.MAJO.BHZ.00 2022-08-23T14:40:49.52 10.0 positive automatic P 35 52.8852 -1.60068 0.464136
AU.ARMA.BHZ. 2022-08-23T14:40:48.20 10.0 positive automatic P 125 52.2031 1.99077 0.468998
G.CAN.BHZ.00 2022-08-23T14:40:45.70 10.0 positive automatic P 132 51.9855 1.17823 0.498359
JP.JSG.BHZ. 2022-08-23T14:40:41.20 10.0 positive automatic P 37 51.5851 -0.236471 0.454022
JP.JGF.BHZ. 2022-08-23T14:40:41.45 10.0 positive automatic P 36 51.7361 -1.19316 0.538029
JP.JHJ2.BHZ. 2022-08-23T14:40:39.30 10.0 positive automatic P 40 51.5533 -1.89382 0.249703
AU.TOO.BHZ.00 2022-08-23T14:40:35.73 10.0 positive automatic P 136 50.5032 2.30852 0.545406
AU.EIDS.BHZ. 2022-08-23T14:40:32.05 10.0 positive automatic P 119 50.2272 0.7781 0.525467
JP.JCJ.BHZ. 2022-08-23T14:40:23.95 10.0 positive automatic P 48 49.5205 -1.95063 0.574892
GE.SOEI.BHZ. 2022-08-23T14:40:20.27 10.0 negative automatic S 104 21.5149 0.636683 0
JP.JMN.BHZ. 2022-08-23T14:40:17.60 10.0 positive automatic P 35 48.3993 0.2075 0.567012
IU.INCN.BHZ.00 2022-08-23T14:40:11.77 10.0 positive automatic P 25 47.7491 -0.528606 0.605243
JP.JTU.BHZ. 2022-08-23T14:40:03.10 10.0 positive automatic P 30 46.6141 -0.38012 0.514788
AU.QLP.BHZ. 2022-08-23T14:39:50.15 10.0 positive automatic P 123 44.7784 1.10857 0.600687
JP.JSU.BHZ. 2022-08-23T14:39:49.10 10.0 positive automatic P 34 44.8222 -0.316202 0.587199
IU.CTAO.BHZ.00 2022-08-23T14:39:48.17 10.0 positive automatic P 114 44.5696 0.769179 0.604142
GE.PMG.BHZ.00 2022-08-23T14:39:42.07 10.0 positive automatic P 98 43.8929 0.123249 0.674016
JP.JMZ.BHZ. 2022-08-23T14:39:20.60 10.0 negative automatic P 40 41.1190 1.14506 0.564491
JP.JOW.BHZ. 2022-08-23T14:39:11.65 10.0 positive automatic P 36 40.0409 1.05216 0.653106
GE.GENI.BHZ. 2022-08-23T14:38:44.32 10.0 positive automatic P 88 37.0461 -1.16182 0.768638
JP.YOJ.BHZ. 2022-08-23T14:38:30.50 10.0 positive automatic P 32 35.2305 0.513129 0.752418
IU.TATO.BHZ.00 2022-08-23T14:38:26.97 10.0 positive automatic P 30 34.8643 0.106143 0.728147
AU.FORT.BHZ.00 2022-08-23T14:38:26.48 10.0 positive automatic P 141 34.8832 -0.55134 0.849118
II.WRAB.BHZ.00 2022-08-23T14:38:18.20 10.0 positive automatic P 119 33.8833 -0.22646 0.440138
IN.SHL.HHZ. 2022-08-23T14:38:04.28 10.0 positive automatic P 341 32.4223 -1.35178 0.879516
AU.WRKA.BHZ.00 2022-08-23T14:37:56.40 10.0 positive automatic P 132 31.4133 -0.490692 0.832721
IU.NWAO.BHZ.00 2022-08-23T14:37:51.02 10.0 negative automatic P 156 30.9149 -1.44347 0.430452
AU.KDU.BHZ.00 2022-08-23T14:37:42.85 10.0 positive automatic P 107 29.9949 -1.43858 0.963855
GE.FAKI.BHZ. 2022-08-23T14:37:35.87 10.0 positive automatic P 87 29.1375 -0.84611 0.869565
AU.MTN.BHZ.00 2022-08-23T14:37:32.05 10.0 positive automatic P 108 28.7553 -1.2767 0.869565
AU.MORW.BHZ. 2022-08-23T14:37:17.82 10.0 positive automatic P 155 27.0374 -0.223661 0.833333
GE.MALK.BHZ. 2022-08-23T14:37:13.67 10.0 positive automatic P 301 26.1697 3.46428 0.888889
RM.SLV.BHZ. 2022-08-23T14:37:11.22 10.0 positive automatic P 2 26.2962 -0.214953 0.909091
IU.DAV.BHZ.00 2022-08-23T14:37:06.65 10.0 positive automatic P 62 25.4461 2.97477 0.869565
AU.FITZ.BHZ. 2022-08-23T14:37:05.10 10.0 positive automatic P 123 25.6370 -0.289659 0.952381
GE.HALK.BHZ. 2022-08-23T14:37:02.65 10.0 positive automatic P 296 24.9692 3.31413 0.615385
GE.TNTI.BHZ. 2022-08-23T14:36:57.97 10.0 positive automatic P 77 24.8980 -0.708345 0.909091
IU.CHTO.BHZ.00 2022-08-23T14:36:50.30 10.0 positive automatic P 350 24.1251 -1.41647 0.952381
GE.SANI.BHZ. 2022-08-23T14:36:41.72 10.0 positive automatic P 84 23.0163 0.242556 0.952381
GE.SOEI.BHZ. 2022-08-23T14:36:21.87 10.0 positive automatic P 104 21.5149 -3.93385 0.754717
AU.GIRL.BHZ.00 2022-08-23T14:36:16.98 10.0 positive automatic P 150 20.6935 0.138749 0.91954
GE.LUWI.BHZ. 2022-08-23T14:36:11.17 10.0 positive automatic P 79 20.0172 1.65909 0.869565
IN.PBA.HHZ. 2022-08-23T14:36:01.93 10.0 positive automatic P 328 19.5548 -2.57516 0.49505
GE.MMRI.BHZ. 2022-08-23T14:35:58.27 10.0 positive automatic P 102 19.3402 -3.90916 0.784314
II.KAPI.BHZ.00 2022-08-23T14:35:30.84 10.0 positive automatic P 91 16.5779 0.306663 0.898876
GE.BKB.BHZ. 2022-08-23T14:35:05.52 10.0 positive automatic P 75 14.3012 3.95512 0.769231
GE.LHMI.BHZ. 2022-08-23T14:34:25.87 10.0 positive automatic P 329 11.9033 -3.66604 0.769231
GE.JAGI.BHZ. 2022-08-23T14:34:21.42 10.0 positive automatic P 108 11.5121 -2.8192 0.769231
GE.SMRI.BHZ. 2022-08-23T14:33:31.92 10.0 positive automatic P 106 7.5832 1.28676 0.615385
MY.KOM.BHZ. 2022-08-23T14:33:22.62 10.0 negative automatic P 6 6.7925 2.81084 0.930233
GE.BKNI.BHZ. 2022-08-23T14:33:05.17 10.0 positive automatic P 339 5.6765 0.605087 0.930233
GE.PMBI.BHZ. 2022-08-23T14:32:24.82 10.0 negative automatic P 38 2.5980 2.19879 0.869565
GE.MNAI.BHZ. 2022-08-23T14:31:55.97 10.0 positive automatic P 346 0.6194 -1.28038 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