Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.7 on date 26-01-2023 and time 05:23:55 (Italy) in region Indonesia [Sea]

A magnitude Mwp 5.7 earthquake occured in region: Indonesia [Sea], on

  • 26-01-2023 04:23:55 (UTC)
  • 26-01-2023 05:23:55 (UTC +01:00) Italian time
  • 26-01-2023 13:23:55 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 2.8300, 127.1430 at 60 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 5.3
Mwp 5.7
Mwpd 5.9 		2023-01-26
04:23:55		 2.8301 127.143 61 2023-01-26
04:56:50		 Sala Sismica INGV-Roma 113795511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-26 04:23:55
Latitude 2.8301
Longitude 127.1430
Depth (km) 61 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 113795511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6833
Semi-minor axis of confidence ellipse (meter) 4498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 6005.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107.457
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.61664
Epicentral distance of station closest to the epicenter (degree) 2.07034
Epicentral distance of station farthest from the epicenter (degree) 88.15971
Number of stations at which the event was observed 54
Number of stations from which data was used for origin computation 54
Magnitudes information

Mwpd:5.9

Field Value
Value 5.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude Mwpd
Reference to an origin 113795511
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-26 04:56:50

Mwp:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 14
Type of magnitude Mwp
Reference to an origin 113795511
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-26 04:56:50

mb:5.3

Field Value
Value 5.3
Uncertainty 0.2
Num. used stations 41
Type of magnitude mb
Reference to an origin 113795511
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-26 04:56:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
US.EGAK.BHZ.00 2023-01-26T04:36:40.78 10.0 positive automatic P 25 88.1597 2.08417 0.103399
G.ATD.BHZ.00 2023-01-26T04:36:20.55 10.0 positive automatic PcP 281 83.8461 -0.884179 0
IU.GNI.BHZ.00 2023-01-26T04:36:12.17 10.0 positive automatic P 310 82.3659 2.13879 0
GE.VOI.BHZ. 2023-01-26T04:36:10.65 10.0 negative automatic P 247 82.1264 1.95205 0.155663
AT.TTA.BHZ. 2023-01-26T04:36:07.88 10.0 positive automatic P 27 81.5200 2.39426 0
GE.SBV.BHZ. 2023-01-26T04:35:49.50 10.0 positive automatic P 256 78.2633 1.76916 0.182815
II.ARTI.BHZ.00 2023-01-26T04:35:35.17 10.0 positive automatic P 328 76.0251 -0.0617115 0
AK.GAMB.BHZ. 2023-01-26T04:35:31.81 10.0 positive automatic P 24 75.0913 1.97388 0
AT.AKUT.BHZ. 2023-01-26T04:35:28.14 10.0 negative automatic P 34 74.4604 1.95285 0.224042
G.ROCAM.BHZ.00 2023-01-26T04:34:40.80 10.0 negative automatic P 247 66.4983 3.11764 0.316068
II.SIMI.BHZ.00 2023-01-26T04:34:19.10 10.0 positive automatic P 312 63.7278 -0.865678 0.373026
II.KURK.BHZ.00 2023-01-26T04:34:11.90 10.0 positive automatic P 328 62.7988 -1.71456 0.376724
II.AAK.BHZ.00 2023-01-26T04:34:04.22 10.0 positive automatic P 318 61.3625 -0.0163561 0.365908
IU.MA2.BHZ.00 2023-01-26T04:33:52.92 10.0 positive automatic P 14 59.6023 0.89951 0.380753
IU.MAKZ.BHZ.00 2023-01-26T04:33:44.32 10.0 positive automatic P 325 58.8003 -2.20187 0.439103
IU.ULN.BHZ.00 2023-01-26T04:32:29.32 10.0 positive automatic P 342 48.2460 -0.108991 0.582776
GE.MALK.BHZ. 2023-01-26T04:32:16.27 10.0 positive automatic P 279 46.6755 -0.716532 0.546015
AU.MILA.BHZ.00 2023-01-26T04:32:03.60 10.0 positive automatic P 155 44.8257 1.08398 0.634383
AU.TOO.BHZ.00 2023-01-26T04:31:54.95 10.0 positive automatic P 159 43.8381 0.353439 0.584553
JP.JKA.BHZ. 2023-01-26T04:31:52.70 10.0 negative automatic sP 18 40.7358 1.52677 0
G.CAN.BHZ.00 2023-01-26T04:31:51.30 10.0 negative automatic P 154 43.2921 1.07477 0.625492
AU.ARMA.BHZ. 2023-01-26T04:31:28.95 10.0 positive automatic P 147 40.6367 0.294161 0.693678
IN.SHL.HHZ. 2023-01-26T04:31:27.52 10.0 positive automatic P 307 40.8192 -2.44554 0.738515
IU.NWAO.BHZ.00 2023-01-26T04:30:57.07 10.0 positive automatic P 194 36.9635 -0.723402 0.761563
IU.MAJO.BHZ.00 2023-01-26T04:30:41.52 10.0 negative automatic P 16 35.2231 -1.41752 0.803863
JP.JGF.BHZ. 2023-01-26T04:30:32.75 10.0 negative automatic P 15 34.1098 -0.611742 0.789864
G.INU.BHZ.00 2023-01-26T04:30:30.26 10.0 negative automatic P 15 33.7859 -0.216504 0.871823
AU.QLP.BHZ. 2023-01-26T04:30:30.55 10.0 positive automatic P 152 33.7304 0.535833 0
AU.MORW.BHZ. 2023-01-26T04:30:28.40 10.0 positive automatic P 198 33.6263 -0.723504 0.844972
AU.FORT.BHZ.00 2023-01-26T04:30:27.83 10.0 positive automatic P 179 33.6189 -1.20633 0.875303
JP.JMN.BHZ. 2023-01-26T04:30:11.20 10.0 negative automatic P 11 31.5334 0.342885 0.897988
IU.CTAO.BHZ.00 2023-01-26T04:29:55.92 10.0 positive automatic P 142 29.6145 2.02289 0.898876
GE.GSI.BHZ. 2023-01-26T04:29:51.87 10.0 negative automatic P 268 29.5846 -1.71704 0.869565
RM.SLV.BHZ. 2023-01-26T04:29:49.47 10.0 positive automatic P 311 29.2031 -0.833309 0.909091
AU.GIRL.BHZ.00 2023-01-26T04:29:44.00 10.0 positive automatic P 206 28.4176 0.766427 0.851064
MY.KUM.BHZ. 2023-01-26T04:29:29.82 10.0 positive automatic P 276 26.5367 3.40945 0.930233
MY.IPM.BHZ. 2023-01-26T04:29:25.47 10.0 negative automatic P 274 26.1131 2.85228 0.909091
IU.MBWA.BHZ.00 2023-01-26T04:29:12.45 10.0 positive automatic P 196 25.0620 -0.639734 0.816327
JP.JOW.BHZ. 2023-01-26T04:29:02.70 10.0 positive automatic P 2 24.0292 -0.990723 0.97561
II.WRAB.BHZ.00 2023-01-26T04:29:00.65 10.0 positive automatic P 163 23.8401 -1.3453 0.952381
MY.KOM.BHZ. 2023-01-26T04:28:56.57 10.0 positive automatic P 268 23.2985 -0.411709 0.615385
JP.YOJ.BHZ. 2023-01-26T04:28:42.80 10.0 negative automatic P 350 22.0003 -0.683829 0.930233
GE.JAGI.BHZ. 2023-01-26T04:27:50.72 10.0 negative automatic P 229 17.1890 0.308811 0.869565
AU.KDU.BHZ.00 2023-01-26T04:27:38.93 10.0 negative automatic P 161 16.3944 -1.58261 0.8
AU.MTN.BHZ.00 2023-01-26T04:27:34.78 10.0 positive automatic P 166 16.1660 -2.89017 0.43956
GE.SOEI.BHZ. 2023-01-26T04:26:56.97 10.0 positive automatic P 193 12.9066 1.84217 0.43956
GE.SAUI.BHZ. 2023-01-26T04:26:39.12 10.0 negative automatic P 159 11.5797 2.24964 0.930233
MY.KKM.BHZ. 2023-01-26T04:26:35.87 10.0 negative automatic P 287 11.3574 1.90969 0
II.KAPI.BHZ.00 2023-01-26T04:26:25.10 10.0 positive automatic P 223 10.7723 -0.787037 0.43956
GE.BNDI.BHZ. 2023-01-26T04:25:49.77 10.0 negative automatic P 159 7.8530 3.84336 0
GE.LUWI.BHZ. 2023-01-26T04:25:18.42 10.0 positive automatic P 229 5.8379 0.0813133 0.714286
GE.SANI.BHZ. 2023-01-26T04:25:05.27 10.0 positive automatic P 193 5.0141 -1.79713 0.869565
IU.DAV.BHZ.00 2023-01-26T04:25:02.10 10.0 negative automatic P 340 4.5164 1.82497 0.634921
GE.TNTI.BHZ. 2023-01-26T04:24:26.47 10.0 positive automatic P 174 2.0703 -0.351305 0.930233
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