Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.0 on date 11-02-2023 and time 08:55:09 (UTC) in region Talaud Islands, Indonesia [Sea: Indonesia]

A magnitude Mwp 6.0 earthquake occured in region: Talaud Islands, Indonesia [Sea: Indonesia], on

  • 11-02-2023 08:55:09 (UTC)
  • 11-02-2023 09:55:09 (UTC +01:00) Italian time
  • 11-02-2023 17:55:09 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 3.6390, 126.7770 at 65 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 5.5
Mwp 6.0
Mwpd 6.1 		2023-02-11
08:55:09		 3.6387 126.777 65 2023-02-11
09:09:17		 Sala Sismica INGV-Roma 114338771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-11 08:55:09
Latitude 3.6387
Longitude 126.7770
Depth (km) 65 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 114338771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5668
Semi-minor axis of confidence ellipse (meter) 4325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 5614.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97.9586
Number of associated phases, regardless of their use for origin computation 70
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.477
Epicentral distance of station closest to the epicenter (degree) 2.92667
Epicentral distance of station farthest from the epicenter (degree) 73.76685
Number of stations at which the event was observed 69
Number of stations from which data was used for origin computation 69
Magnitudes information

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.1
Num. used stations 22
Type of magnitude Mwpd
Reference to an origin 114338771
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-11 09:09:17

Mwp:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 35
Type of magnitude Mwp
Reference to an origin 114338771
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-11 09:09:17

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 54
Type of magnitude mb
Reference to an origin 114338771
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-11 09:09:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
G.RER.BHZ.00 2023-02-11T09:06:37.50 10.0 positive automatic P 247 73.7668 1.6392 0.232397
IU.CASY.BHZ.00 2023-02-11T09:06:19.52 10.0 positive automatic P 187 70.8892 0.947099 0.270273
G.ROCAM.BHZ.00 2023-02-11T09:05:53.30 10.0 positive automatic P 247 66.4811 2.14543 0.316281
NZ.URZ.HHZ.10 2023-02-11T09:05:26.86 10.0 negative automatic P 137 62.5517 1.3251 0.382904
NZ.ODZ.HHZ.10 2023-02-11T09:05:25.82 10.0 positive automatic P 146 62.3871 1.35247 0.369078
NZ.KHZ.HHZ.10 2023-02-11T09:05:25.29 10.0 positive automatic P 143 62.4869 0.194433 0.378299
II.KURK.BHZ.00 2023-02-11T09:05:20.40 10.0 positive automatic P 328 61.9204 -0.935045 0.388922
II.AAK.BHZ.00 2023-02-11T09:05:11.72 10.0 positive automatic P 318 60.5167 -0.372902 0.353453
IU.MA2.BHZ.00 2023-02-11T09:05:02.32 10.0 positive automatic P 14 58.9038 1.53266 0.417205
IU.YAK.BHZ.00 2023-02-11T09:04:57.57 10.0 positive automatic P 2 58.4301 0.107354 0.423977
IU.MAKZ.BHZ.00 2023-02-11T09:04:52.92 10.0 positive automatic P 325 57.9275 -1.11878 0.436296
IN.MNC.HHZ. 2023-02-11T09:04:22.59 10.0 negative automatic P 278 53.5874 -0.28077 0.249332
II.TAU.BHZ.00 2023-02-11T09:03:58.12 10.0 positive automatic P 160 50.1123 1.0822 0.515802
ND.MARNC.BHZ.00 2023-02-11T09:03:40.75 10.0 negative automatic P 124 47.5493 3.35852 0.555784
IU.ULN.BHZ.00 2023-02-11T09:03:35.37 10.0 positive automatic P 342 47.3642 -0.857722 0.584125
GE.MALK.BHZ. 2023-02-11T09:03:26.52 10.0 positive automatic P 278 46.1949 -0.31621 0.647945
II.PALK.BHZ.00 2023-02-11T09:03:24.55 10.0 positive automatic P 277 45.9879 -0.72637 0.407941
GE.HALK.BHZ. 2023-02-11T09:03:24.60 10.0 negative automatic P 275 45.9805 -0.554429 0.621527
IU.YSS.BHZ.00 2023-02-11T09:03:21.85 10.0 negative automatic P 15 45.4746 0.678255 0.630351
AU.TOO.BHZ.00 2023-02-11T09:03:16.75 10.0 positive automatic P 159 44.7238 1.45308 0.628934
G.SANVU.BHZ.00 2023-02-11T09:03:15.15 10.0 positive automatic P 117 44.3253 3.11852 0.63584
ND.KOUNC.BHZ.00 2023-02-11T09:03:12.70 10.0 positive automatic P 125 44.0262 3.05414 0.655959
G.CAN.BHZ.00 2023-02-11T09:03:11.65 10.0 positive automatic P 154 44.1788 0.677925 0.638392
JP.JKA.BHZ. 2023-02-11T09:03:00.65 10.0 positive automatic sP 19 40.0822 -0.180645 0
AU.ARMA.BHZ. 2023-02-11T09:02:49.92 10.0 negative automatic P 147 41.5131 0.439607 0.701599
II.ERM.BHZ.00 2023-02-11T09:02:47.72 10.0 positive automatic P 19 41.0728 2.03422 0.744375
IN.SHL.HHZ. 2023-02-11T09:02:35.92 10.0 positive automatic P 307 40.0420 -1.26031 0.722308
JP.JTM.BHZ. 2023-02-11T09:02:31.75 10.0 positive automatic P 17 39.3130 0.602506 0.779049
IU.NWAO.BHZ.00 2023-02-11T09:02:16.52 10.0 negative automatic P 193 37.6642 -0.844884 0.802466
AU.QLP.BHZ. 2023-02-11T09:01:50.45 10.0 positive automatic P 152 34.6155 -0.870277 0.864926
IU.MAJO.BHZ.00 2023-02-11T09:01:49.92 10.0 positive automatic P 16 34.5456 -0.824911 0.799
AU.MORW.BHZ. 2023-02-11T09:01:48.02 10.0 positive automatic P 197 34.2903 -0.503197 0.786447
AU.FORT.BHZ.00 2023-02-11T09:01:48.53 10.0 positive automatic P 178 34.4379 -1.24699 0.868636
IU.INCN.BHZ.00 2023-02-11T09:01:43.92 10.0 positive automatic P 360 33.8378 -0.640408 0.401881
JP.JGF.BHZ. 2023-02-11T09:01:41.00 10.0 positive automatic P 16 33.4262 -0.0739348 0.85888
G.INU.BHZ.00 2023-02-11T09:01:38.01 10.0 negative automatic P 15 33.0993 -0.14076 0.865573
IU.CHTO.BHZ.00 2023-02-11T09:01:20.25 10.0 positive automatic P 301 31.1453 -0.82683 0.906115
JP.JTU.BHZ. 2023-02-11T09:01:20.25 10.0 positive automatic P 4 30.9832 0.665821 0.850204
JP.JMN.BHZ. 2023-02-11T09:01:18.60 10.0 negative automatic P 12 30.8108 0.450092 0.835434
IU.CTAO.BHZ.00 2023-02-11T09:01:15.57 10.0 negative automatic P 142 30.4753 0.41565 0.879332
AU.GIRL.BHZ.00 2023-02-11T09:01:03.60 10.0 negative automatic P 204 28.9956 1.57486 0.930233
GE.GSI.BHZ. 2023-02-11T09:01:02.97 10.0 positive automatic P 266 29.2636 -1.42592 0.888889
AU.WRKA.BHZ.00 2023-02-11T09:00:58.43 10.0 negative automatic P 177 28.7128 -1.17571 0.898876
RM.SLV.BHZ. 2023-02-11T09:00:56.92 10.0 positive automatic P 310 28.3985 0.109521 0.869565
JP.JSU.BHZ. 2023-02-11T09:00:52.80 10.0 positive automatic P 7 28.0832 -1.1635 0.930233
IU.MBWA.BHZ.00 2023-02-11T09:00:32.30 10.0 negative automatic P 195 25.7399 -0.595556 0.941176
MY.IPM.BHZ. 2023-02-11T09:00:31.42 10.0 positive automatic P 273 25.6982 -1.10474 0.930233
II.WRAB.BHZ.00 2023-02-11T09:00:22.02 10.0 negative automatic P 163 24.7204 -1.65749 0.952381
GE.PMG.BHZ.00 2023-02-11T09:00:17.32 10.0 negative automatic P 123 24.1359 -0.979179 0.43956
JP.JOW.BHZ. 2023-02-11T09:00:09.85 10.0 positive automatic P 3 23.2404 -0.295497 0.909091
MY.KOM.BHZ. 2023-02-11T09:00:06.92 10.0 positive automatic P 266 22.9765 -0.609382 0.952381
JP.JMZ.BHZ. 2023-02-11T09:00:04.05 10.0 negative automatic P 10 22.5870 0.620735 0.930233
IU.TATO.BHZ.00 2023-02-11T08:59:53.77 10.0 positive automatic P 347 21.9304 -2.71977 0.909091
JP.YOJ.BHZ. 2023-02-11T08:59:47.55 10.0 positive automatic P 350 21.1414 -0.490666 0.43956
RM.DLV.BHZ. 2023-02-11T08:59:36.62 10.0 positive automatic P 296 19.9243 1.51566 0.869565
GE.JAGI.BHZ. 2023-02-11T08:59:06.12 10.0 positive automatic P 226 17.4672 -1.55054 0.701754
AU.MTN.BHZ.00 2023-02-11T08:58:58.15 10.0 negative automatic P 165 17.0398 -4.25341 0.610687
MY.SBM.BHZ. 2023-02-11T08:58:32.67 10.0 positive automatic P 266 14.5897 1.28922 0.952381
GE.SOEI.BHZ. 2023-02-11T08:58:20.52 10.0 positive automatic P 191 13.6248 1.67434 0.952381
GE.MMRI.BHZ. 2023-02-11T08:58:10.87 10.0 positive automatic P 200 13.0817 -0.524082 0
II.KAPI.BHZ.00 2023-02-11T08:57:45.37 10.0 positive automatic P 219 11.1407 0.405449 0.610687
GE.BKB.BHZ. 2023-02-11T08:57:44.37 10.0 positive automatic P 244 10.9485 2.05882 0.784314
MY.KKM.BHZ. 2023-02-11T08:57:42.22 10.0 negative automatic P 283 10.7946 1.88714 0.952381
GE.FAKI.BHZ. 2023-02-11T08:57:09.62 10.0 positive automatic P 140 8.5386 0.217563 0.952381
MY.LDM.BHZ. 2023-02-11T08:57:08.42 10.0 positive automatic P 281 8.3960 0.961769 0.97561
GE.LUWI.BHZ. 2023-02-11T08:56:38.07 10.0 positive automatic P 221 6.1586 1.24511 0.909091
GE.SANI.BHZ. 2023-02-11T08:56:27.87 10.0 negative automatic P 188 5.7424 -3.26199 0.930233
IU.DAV.BHZ.00 2023-02-11T08:56:01.27 10.0 negative automatic P 341 3.6322 -1.02701 0.842105
GE.TNTI.BHZ. 2023-02-11T08:55:51.72 10.0 negative automatic P 168 2.9267 -0.927544 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