Earthquake with magnitude of Mwp 6.4 on date 23-02-2023 and time 20:02:50 (UTC) in region North of Halmahera, Indonesia [Sea: Indonesia]

A magnitude Mwp 6.4 earthquake occured in region: North of Halmahera, Indonesia [Sea: Indonesia], on

  • 23-02-2023 20:02:50 (UTC)
  • 23-02-2023 21:02:50 (UTC +01:00) Italian time
  • 24-02-2023 05:02:50 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 3.3120, 128.2430 at 109 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.

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 6.4

Mwpd 6.5
2023-02-23
20:02:50
3.3117 128.243 109 2023-02-23
20:14:36
Sala Sismica INGV-Roma 114740031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 20:02:50
Latitude 3.3117
Longitude 128.2430
Depth (km) 109 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 114740031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13213
Semi-minor axis of confidence ellipse (meter) 5449
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 10700.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86.6319
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.29714
Epicentral distance of station closest to the epicenter (degree) 2.68650
Epicentral distance of station farthest from the epicenter (degree) 58.87991
Number of stations at which the event was observed 63
Number of stations from which data was used for origin computation 63
Magnitudes information

Mwp:6.4

Field Value
Value 6.4
Uncertainty 0.2
Num. used stations 48
Type of magnitude Mwp
Reference to an origin 114740031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-23 20:14:36

Mwpd:6.5

Field Value
Value 6.5
Uncertainty 0.2
Num. used stations 39
Type of magnitude Mwpd
Reference to an origin 114740031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-23 20:14:36

mb:5.7

Field Value
Value 5.7
Uncertainty 0.2
Num. used stations 51
Type of magnitude mb
Reference to an origin 114740031
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-23 20:14:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.MA2.BHZ.00 2023-02-23T20:12:36.32 10.0 positive automatic P 13 58.8799 -0.0309508 0.427559
IU.YAK.BHZ.00 2023-02-23T20:12:34.27 10.0 positive automatic P 1 58.7266 -0.983191 0.429799
GE.KAAM.BHZ. 2023-02-23T20:12:12.82 10.0 negative automatic P 268 55.2789 1.89075 0.470496
IN.MNC.HHZ. 2023-02-23T20:12:10.83 10.0 positive automatic P 278 55.0814 1.31644 0.405577
GE.HMDM.BHZ. 2023-02-23T20:12:09.82 10.0 positive automatic P 276 54.9279 1.41141 0.426255
IU.ULN.BHZ.00 2023-02-23T20:11:17.67 10.0 positive automatic P 341 48.1378 -0.463652 0.613202
GE.MALK.BHZ. 2023-02-23T20:11:15.37 10.0 positive automatic P 278 47.6898 0.945581 0.592257
GE.HALK.BHZ. 2023-02-23T20:11:13.70 10.0 positive automatic P 275 47.4670 0.999509 0.545317
II.PALK.BHZ.00 2023-02-23T20:11:13.60 10.0 positive automatic P 277 47.4793 0.740247 0.517593
IO.EVN.BHZ. 2023-02-23T20:11:06.95 10.0 positive automatic P 306 46.5085 0.857216 0.627053
IU.YSS.BHZ.00 2023-02-23T20:10:55.95 10.0 positive automatic P 14 45.4223 -0.783609 0.603293
AU.MILA.BHZ.00 2023-02-23T20:10:53.43 10.0 positive automatic P 156 44.8089 1.42846 0.303431
AU.TOO.BHZ.00 2023-02-23T20:10:45.75 10.0 negative automatic P 160 43.9052 0.983029 0.658209
G.CAN.BHZ.00 2023-02-23T20:10:40.95 10.0 positive automatic P 155 43.2512 1.40501 0.66996
JP.JKA.BHZ. 2023-02-23T20:10:35.20 10.0 positive automatic pP 17 39.9474 -2.08764 0
IN.SHL.HHZ. 2023-02-23T20:10:24.99 10.0 positive automatic P 306 41.4148 0.449642 0.727184
II.ERM.BHZ.00 2023-02-23T20:10:21.02 10.0 positive automatic P 17 40.9372 0.37968 0.600622
AU.ARMA.BHZ. 2023-02-23T20:10:17.62 10.0 negative automatic P 148 40.4512 0.79051 0.713146
JP.JTM.BHZ. 2023-02-23T20:10:06.35 10.0 positive automatic P 15 39.2166 -0.0959898 0.762475
IU.NWAO.BHZ.00 2023-02-23T20:09:53.27 10.0 positive automatic P 195 37.7055 -0.577987 0.801737
AU.EIDS.BHZ. 2023-02-23T20:09:41.90 10.0 positive automatic P 144 36.2347 0.528628 0.775504
II.COCO.BHZ.00 2023-02-23T20:09:29.65 10.0 negative automatic P 243 34.8494 0.157813 0.767666
AU.MORW.BHZ. 2023-02-23T20:09:24.32 10.0 negative automatic P 199 34.4299 -1.60169 0.868907
IU.MAJO.BHZ.00 2023-02-23T20:09:24.27 10.0 positive automatic P 14 34.4759 -2.06666 0.81863
IU.INCN.BHZ.00 2023-02-23T20:09:22.92 10.0 positive automatic P 358 34.1967 -0.953189 0.755466
AU.FORT.BHZ.00 2023-02-23T20:09:21.05 10.0 positive automatic P 180 34.0897 -1.91175 0.86561
AU.QLP.BHZ. 2023-02-23T20:09:17.00 10.0 positive automatic P 154 33.6539 -1.20672 0.650202
JP.JGF.BHZ. 2023-02-23T20:09:15.60 10.0 positive automatic P 14 33.3730 -1.22786 0.840522
G.INU.BHZ.00 2023-02-23T20:09:13.26 10.0 positive automatic P 13 33.0544 -0.7171 0.887229
JP.JSG.BHZ. 2023-02-23T20:09:10.65 10.0 positive automatic P 15 32.6959 -0.202804 0.766954
IU.CHTO.BHZ.00 2023-02-23T20:09:10.60 10.0 positive automatic P 301 32.5683 0.797676 0.908286
JP.JHJ2.BHZ. 2023-02-23T20:09:01.90 10.0 positive automatic P 19 31.7062 -0.287263 0.894486
GE.LHMI.BHZ. 2023-02-23T20:08:59.67 10.0 negative automatic P 275 31.2626 1.38758 0.809617
JP.JTU.BHZ. 2023-02-23T20:08:56.90 10.0 positive automatic P 2 31.2328 -1.13108 0.810177
JP.JMN.BHZ. 2023-02-23T20:08:54.55 10.0 positive automatic P 9 30.8691 -0.371792 0.93374
GE.GSI.BHZ. 2023-02-23T20:08:52.92 10.0 negative automatic P 267 30.7047 -0.476731 0.894683
RM.SLV.BHZ. 2023-02-23T20:08:46.97 10.0 positive automatic P 309 29.7314 2.072 0.952381
IU.CTAO.BHZ.00 2023-02-23T20:08:43.05 10.0 positive automatic P 144 29.3293 1.74707 0.888889
AU.GIRL.BHZ.00 2023-02-23T20:08:41.80 10.0 negative automatic P 207 29.3377 0.471631 0.963855
JP.JSU.BHZ. 2023-02-23T20:08:30.80 10.0 positive automatic P 4 28.2731 -1.13658 0.869565
AU.WRKA.BHZ.00 2023-02-23T20:08:30.93 10.0 positive automatic P 180 28.3481 -1.71742 0.930233
MY.KUM.BHZ. 2023-02-23T20:08:26.52 10.0 negative automatic P 275 27.5830 0.773665 0.888889
MY.IPM.BHZ. 2023-02-23T20:08:22.77 10.0 negative automatic P 273 27.1768 0.619366 0.909091
GE.MNAI.BHZ. 2023-02-23T20:08:15.32 10.0 negative automatic P 253 26.4051 0.100496 0.833333
IU.MBWA.BHZ.00 2023-02-23T20:08:09.10 10.0 negative automatic P 198 25.8515 -1.13733 0.860215
MY.KOM.BHZ. 2023-02-23T20:07:58.52 10.0 negative automatic P 267 24.4172 1.3005 0.952381
GE.PMBI.BHZ. 2023-02-23T20:07:57.57 10.0 negative automatic P 255 24.3375 1.08231 0.851064
JP.JOW.BHZ. 2023-02-23T20:07:48.95 10.0 positive automatic P 0 23.5233 -0.15305 0.909091
JP.JMZ.BHZ. 2023-02-23T20:07:40.75 10.0 negative automatic P 7 22.6884 -0.668573 0.888889
IU.TATO.BHZ.00 2023-02-23T20:07:38.47 10.0 positive automatic P 344 22.6134 -2.19308 0.43956
JP.YOJ.BHZ. 2023-02-23T20:07:30.65 10.0 positive automatic P 347 21.7475 -0.865207 0.909091
GE.SMRI.BHZ. 2023-02-23T20:07:18.32 10.0 negative automatic P 240 20.5676 -0.635368 0.869565
IU.GUMO.BHZ.00 2023-02-23T20:07:08.65 10.0 positive automatic P 57 19.3704 2.62425 0.808081
GE.JAGI.BHZ. 2023-02-23T20:06:55.57 10.0 negative automatic P 230 18.3365 0.820027 0.952381
AU.MTN.BHZ.00 2023-02-23T20:06:31.20 10.0 negative automatic P 170 16.4076 -1.4832 0.987654
GE.SOEI.BHZ. 2023-02-23T20:05:58.37 10.0 negative automatic P 197 13.6535 0.274628 0.851064
II.KAPI.BHZ.00 2023-02-23T20:05:32.52 10.0 negative automatic P 226 11.8856 -2.26619 0.941176
GE.SANI.BHZ. 2023-02-23T20:05:13.52 10.0 negative automatic S 203 5.8156 -3.48468 0
GE.BNDI.BHZ. 2023-02-23T20:04:44.67 10.0 positive automatic P 168 8.0077 2.2424 0.615385
GE.FAKI.BHZ. 2023-02-23T20:04:36.32 10.0 positive automatic P 147 7.4062 2.04339 0.952381
GE.LUWI.BHZ. 2023-02-23T20:04:26.72 10.0 negative automatic P 232 6.9898 -1.88191 0.930233
GE.SANI.BHZ. 2023-02-23T20:04:10.62 10.0 positive automatic P 203 5.8156 -2.06736 0.930233
IU.DAV.BHZ.00 2023-02-23T20:03:57.57 10.0 positive automatic P 325 4.5996 1.30475 0.963855
GE.TNTI.BHZ. 2023-02-23T20:03:31.62 10.0 positive automatic P 199 2.6865 0.936304 0.909091
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