Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.2 on date 15-01-2023 and time 22:29:59 (UTC) in region Northern Sumatera, Indonesia [Sea: Indonesia]

A magnitude Mwp 6.2 earthquake occured in region: Northern Sumatera, Indonesia [Sea: Indonesia], on

  • 15-01-2023 22:29:59 (UTC)
  • 15-01-2023 23:29:59 (UTC +01:00) Italian time
  • 16-01-2023 06:29:59 (UTC +08:00) local time in the region of the earthquake (Asia/Kuala_Lumpur)

and geographic coordinates (lat, lon) 1.9620, 97.9800 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 6.2
Mwpd 6.3 		2023-01-15
22:29:59		 1.9617 97.9805 20 2023-01-15
22:47:26		 Sala Sismica INGV-Roma 113566661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-15 22:29:59
Latitude 1.9617
Longitude 97.9805
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 113566661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7377
Semi-minor axis of confidence ellipse (meter) 1450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 6043.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33.8686
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) 2.07822
Epicentral distance of station closest to the epicenter (degree) 0.77236
Epicentral distance of station farthest from the epicenter (degree) 77.23920
Number of stations at which the event was observed 89
Number of stations from which data was used for origin computation 89
Magnitudes information

Mwpd:6.3

Field Value
Value 6.3
Uncertainty 0.1
Num. used stations 43
Type of magnitude Mwpd
Reference to an origin 113566661
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-15 22:47:26

Mwp:6.2

Field Value
Value 6.2
Uncertainty 0.1
Num. used stations 53
Type of magnitude Mwp
Reference to an origin 113566661
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-15 22:47:26

mb:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 66
Type of magnitude mb
Reference to an origin 113566661
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-15 22:47:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.PUL.BHZ. 2023-01-15T22:41:50.50 10.0 positive automatic P 331 77.2392 -0.871933 0
IU.KIEV.BHZ.00 2023-01-15T22:41:37.27 10.0 positive automatic P 322 75.1729 -2.37116 0
GE.APE.BHZ. 2023-01-15T22:41:35.99 10.0 positive automatic P 308 74.8616 -1.93591 0.146173
GE.TIRR.BHZ. 2023-01-15T22:41:31.90 10.0 positive automatic P 316 74.1536 -1.81601 0.223168
IU.TIXI.BHZ.00 2023-01-15T22:41:20.47 10.0 negative automatic P 10 72.3751 -2.74425 0.253371
IU.LSZ.BHZ.00 2023-01-15T22:41:16.17 10.0 positive automatic P 253 71.0918 0.476625 0.267986
GE.ISP.BHZ.00 2023-01-15T22:41:13.10 10.0 positive automatic P 310 71.1287 -2.79777 0.261338
IU.MA2.BHZ.00 2023-01-15T22:41:09.97 10.0 positive automatic P 25 70.3890 -1.29805 0.269741
IU.ANTO.BHZ.00 2023-01-15T22:41:06.42 10.0 positive automatic P 312 69.8852 -1.88552 0.2821
IU.CASY.BHZ.00 2023-01-15T22:41:01.52 10.0 negative automatic P 175 68.8298 -0.07321 0.281347
GE.CSS.BHZ. 2023-01-15T22:40:57.60 10.0 positive automatic P 307 68.2628 -0.51434 0.287938
II.MBAR.BHZ.00 2023-01-15T22:40:52.67 10.0 positive automatic P 269 67.2770 0.597606 0.310156
GE.SALP.BHZ. 2023-01-15T22:40:43.97 10.0 positive automatic P 304 66.0783 -0.299309 0.332972
GE.MSBI.BHZ. 2023-01-15T22:40:42.10 10.0 positive automatic P 304 65.7651 -0.0322705 0.304068
GE.EIL.BHZ. 2023-01-15T22:40:41.55 10.0 positive automatic P 302 65.7428 -0.511644 0.333314
GE.SOEI.BHZ. 2023-01-15T22:40:37.42 10.0 negative automatic S 115 28.6796 -4.37365 0
G.CRZF.BHZ.00 2023-01-15T22:40:35.30 10.0 negative automatic sP 214 63.0858 2.56028 0
IU.YAK.BHZ.00 2023-01-15T22:40:32.17 10.0 positive automatic P 16 64.5915 -2.40069 0.356802
II.KIV.BHZ.00 2023-01-15T22:40:31.32 10.0 positive automatic P 319 64.3141 -1.60158 0.360554
KO.GURO.HHZ. 2023-01-15T22:40:21.14 10.0 positive automatic P 313 62.6758 -1.00604 0.379404
II.ARTI.BHZ.00 2023-01-15T22:40:21.07 10.0 positive automatic P 337 62.9441 -2.68273 0.379366
IU.HNR.BHZ.00 2023-01-15T22:40:21.05 10.0 positive automatic P 102 62.7564 -1.41774 0.344201
AU.RIV.BHZ. 2023-01-15T22:40:13.87 10.0 positive automatic P 131 61.4088 0.460668 0
IU.GNI.BHZ.00 2023-01-15T22:40:12.07 10.0 positive automatic P 316 61.3599 -1.28181 0.374325
GE.KMBO.BHZ.00 2023-01-15T22:40:10.72 10.0 positive automatic P 268 60.7947 1.14481 0.3819
AU.ARMA.BHZ. 2023-01-15T22:40:07.17 10.0 positive automatic P 127 60.4256 0.257584 0.391334
G.CAN.BHZ.00 2023-01-15T22:40:06.65 10.0 positive automatic P 133 60.4444 -0.319086 0.414922
AU.TOO.BHZ.00 2023-01-15T22:39:58.80 10.0 negative automatic P 137 59.0548 1.41142 0.420012
IU.YSS.BHZ.00 2023-01-15T22:39:58.70 10.0 positive automatic P 34 59.3866 -0.909785 0.4202
JP.JKA.BHZ. 2023-01-15T22:39:47.10 10.0 positive automatic sP 40 56.0464 2.92833 0
II.ERM.BHZ.00 2023-01-15T22:39:42.07 10.0 positive automatic P 39 56.8811 0.0207042 0.446578
G.FOMA.BHZ.00 2023-01-15T22:39:37.20 10.0 negative automatic P 238 56.2411 -0.292422 0
G.ATD.BHZ.00 2023-01-15T22:39:32.90 10.0 positive automatic P 283 55.4815 0.752616 0.358926
GE.VOI.BHZ. 2023-01-15T22:39:31.05 10.0 negative automatic P 241 55.3583 -0.305043 0.403595
II.RAYN.BHZ.00 2023-01-15T22:39:28.72 10.0 positive automatic P 298 55.1218 -0.842198 0.484133
JP.JTM.BHZ. 2023-01-15T22:39:26.75 10.0 positive automatic P 39 54.8981 -1.10498 0.386409
AU.QLP.BHZ. 2023-01-15T22:39:12.80 10.0 positive automatic P 126 52.9360 -0.733192 0.518655
IU.CTAO.BHZ.00 2023-01-15T22:39:07.37 10.0 positive automatic P 117 52.1942 -0.694428 0.469197
II.KURK.BHZ.00 2023-01-15T22:39:00.47 10.0 positive automatic P 344 51.4245 -1.82152 0.56334
IU.MAJO.BHZ.00 2023-01-15T22:38:54.97 10.0 positive automatic P 42 50.6941 -1.87022 0.466449
GE.SBV.BHZ. 2023-01-15T22:38:52.95 10.0 positive automatic P 251 50.0821 0.799986 0.565516
GE.PMG.BHZ.00 2023-01-15T22:38:52.82 10.0 positive automatic P 104 50.2804 -0.837842 0.562194
JP.JGF.BHZ. 2023-01-15T22:38:47.05 10.0 positive automatic P 43 49.6011 -1.5329 0.491669
G.INU.BHZ.00 2023-01-15T22:38:44.66 10.0 positive automatic P 43 49.2398 -1.08892 0.267569
G.RER.BHZ.00 2023-01-15T22:38:32.05 10.0 negative automatic P 238 47.3421 0.823664 0.282652
IU.MAKZ.BHZ.00 2023-01-15T22:38:26.05 10.0 positive automatic P 345 46.9593 -2.15548 0.634215
IU.ULN.BHZ.00 2023-01-15T22:38:23.17 10.0 positive automatic P 8 46.5668 -2.13319 0.611464
JP.JMN.BHZ. 2023-01-15T22:38:22.05 10.0 positive automatic P 43 46.1840 -0.0622591 0.618082
II.AAK.BHZ.00 2023-01-15T22:38:17.97 10.0 positive automatic P 336 45.7712 -1.07809 0.611048
II.SIMI.BHZ.00 2023-01-15T22:38:12.30 10.0 positive automatic P 328 45.2377 -2.48259 0.613202
G.AIS.BHZ.00 2023-01-15T22:38:06.30 10.0 negative automatic P 203 44.0123 1.53228 0.553347
AU.FORT.BHZ.00 2023-01-15T22:37:59.60 10.0 positive automatic P 141 43.4876 -0.962636 0.665701
JP.JSU.BHZ. 2023-01-15T22:37:52.05 10.0 positive automatic P 43 42.5446 -0.923374 0.451679
GE.GENI.BHZ. 2023-01-15T22:37:50.27 10.0 positive automatic P 96 42.4187 -1.61612 0.685065
II.WRAB.BHZ.00 2023-01-15T22:37:45.27 10.0 positive automatic P 123 41.8600 -2.11828 0.687307
G.ROCAM.BHZ.00 2023-01-15T22:37:35.30 10.0 negative automatic P 236 40.3070 0.749106 0
AU.WRKA.BHZ.00 2023-01-15T22:37:29.13 10.0 positive automatic P 135 39.8957 -2.11042 0.723464
IU.NWAO.BHZ.00 2023-01-15T22:37:27.17 10.0 negative automatic P 154 39.3458 0.55177 0.751019
JP.JOW.BHZ. 2023-01-15T22:37:17.95 10.0 negative automatic P 47 38.2337 0.686444 0.781739
AU.KDU.BHZ.00 2023-01-15T22:37:06.48 10.0 positive automatic P 114 37.2400 -2.35517 0.765032
AU.MTN.BHZ.00 2023-01-15T22:36:56.48 10.0 positive automatic P 115 36.0793 -2.48267 0.796366
AU.MORW.BHZ. 2023-01-15T22:36:54.82 10.0 positive automatic P 152 35.5231 0.607968 0.836115
GE.FAKI.BHZ. 2023-01-15T22:36:45.07 10.0 positive automatic P 98 34.6012 -1.17439 0.798024
IU.MBWA.BHZ.00 2023-01-15T22:36:17.20 10.0 positive automatic P 138 31.4237 -1.29722 0.944308
AU.GIRL.BHZ.00 2023-01-15T22:36:01.18 10.0 positive automatic P 148 29.2674 1.74717 0.963855
GE.SOEI.BHZ. 2023-01-15T22:35:50.62 10.0 positive automatic P 115 28.6796 -3.74801 0.833333
GE.SANI.BHZ. 2023-01-15T22:35:49.02 10.0 positive automatic P 98 28.2865 -1.67382 0.869565
IO.EVN.BHZ. 2023-01-15T22:35:48.15 10.0 positive automatic P 339 28.1022 -1.76159 0.930233
GE.MMRI.BHZ. 2023-01-15T22:35:30.02 10.0 positive automatic P 114 26.3995 -3.75842 0
IN.MNC.HHZ. 2023-01-15T22:35:29.51 10.0 positive automatic P 285 25.5979 3.01025 0.843882
GE.KAAM.BHZ. 2023-01-15T22:35:23.47 10.0 negative automatic P 267 25.0212 2.20881 0.930233
GE.LUWI.BHZ. 2023-01-15T22:35:20.92 10.0 positive automatic P 97 24.9678 0.14377 0.888889
IN.SHL.HHZ. 2023-01-15T22:35:11.93 10.0 positive automatic P 346 24.3298 -3.03883 0.480769
II.KAPI.BHZ.00 2023-01-15T22:35:00.32 10.0 positive automatic P 108 22.8402 -0.185783 0.898876
MY.LDM.BHZ. 2023-01-15T22:34:40.32 10.0 positive automatic P 81 20.7247 2.48408 0.952381
RM.SLV.BHZ. 2023-01-15T22:34:32.07 10.0 positive automatic P 16 20.2048 -0.207533 0.909091
GE.JAGI.BHZ. 2023-01-15T22:34:25.27 10.0 positive automatic P 123 19.2026 4.01636 0.97561
GE.BKB.BHZ. 2023-01-15T22:34:24.27 10.0 positive automatic P 99 19.1680 3.4046 0.888889
GE.MALK.BHZ. 2023-01-15T22:34:16.82 10.0 positive automatic P 291 18.5105 3.16982 0.952381
II.PALK.BHZ.00 2023-01-15T22:34:09.42 10.0 negative automatic P 288 18.0153 1.54905 0.610687
GE.HALK.BHZ. 2023-01-15T22:34:05.35 10.0 negative automatic P 284 17.7388 0.939733 0.615385
GE.SMRI.BHZ. 2023-01-15T22:33:40.67 10.0 negative automatic P 126 15.3558 -3.56748 0
RM.DLV.BHZ. 2023-01-15T22:33:25.57 10.0 positive automatic P 46 14.4274 3.69243 0.97561
II.COCO.BHZ.00 2023-01-15T22:33:16.95 10.0 negative automatic P 185 14.1969 -1.58147 0.91954
IN.PBA.HHZ. 2023-01-15T22:32:31.00 10.0 positive automatic P 332 10.9969 -3.8166 0.328407
GE.MNAI.BHZ. 2023-01-15T22:31:55.97 10.0 positive automatic P 142 8.0425 1.62698 0.952381
MY.KOM.BHZ. 2023-01-15T22:31:27.27 10.0 negative automatic P 92 5.8653 2.83461 0.888889
MY.KUM.BHZ. 2023-01-15T22:31:05.82 10.0 negative automatic P 39 4.2625 3.40915 0.97561
GE.LHMI.BHZ. 2023-01-15T22:30:53.67 10.0 positive automatic P 343 3.4258 2.77228 0.930233
GE.GSI.BHZ. 2023-01-15T22:30:14.12 10.0 negative automatic P 212 0.7724 0.765553 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