Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.6 on date 04-08-2023 and time 11:48:40 (UTC) in region Indonesia [Sea]

A magnitude Mwp 5.6 earthquake occured in region: Indonesia [Sea], on

  • 04-08-2023 11:48:40 (UTC)
  • 04-08-2023 13:48:40 (UTC +02:00) Italian time
  • 04-08-2023 19:48:40 (UTC +08:00) local time in the region of the earthquake (Asia/Makassar)

and geographic coordinates (lat, lon) -0.2430, 125.0960 at 51 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 5.4
Mwp 5.6
Mwpd 5.8 		2023-08-04
11:48:40		 -0.2426 125.096 51 2023-08-04
12:01:47		 Sala Sismica INGV-Roma 119850931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-04 11:48:40
Latitude -0.2426
Longitude 125.0960
Depth (km) 51 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 119850931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13170755
Semi-minor axis of confidence ellipse (meter) 7319946
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 11929700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48.3155
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.08877
Epicentral distance of station closest to the epicenter (degree) 2.01483
Epicentral distance of station farthest from the epicenter (degree) 47.01883
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 44
Magnitudes information

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 13
Type of magnitude Mwp
Reference to an origin 119850931
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-04 12:01:47

Mwpd:5.8

Field Value
Value 5.8
Uncertainty 0.2
Num. used stations 11
Type of magnitude Mwpd
Reference to an origin 119850931
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-04 12:01:47

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 38
Type of magnitude mb
Reference to an origin 119850931
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-04 12:01:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
JP.JKA.BHZ. 2023-08-04T11:57:06.30 10.0 positive automatic P 17 5219.0868 0.128207 0.370134
GE.MALK.BHZ. 2023-08-04T11:56:51.77 10.0 positive automatic P 282 5019.7308 -0.728021 0.409427
II.PALK.BHZ.00 2023-08-04T11:56:50.80 10.0 positive automatic P 281 4984.4772 0.605785 0.435495
JP.JTM.BHZ. 2023-08-04T11:56:38.30 10.0 positive automatic P 18 4830.5535 0.29528 0.452654
AU.TOO.BHZ.00 2023-08-04T11:56:27.08 10.0 positive automatic P 156 4639.4892 2.52448 0.502678
G.CAN.BHZ.00 2023-08-04T11:56:25.00 10.0 positive automatic P 150 4611.384 1.88434 0.496711
AU.ARMA.BHZ. 2023-08-04T11:56:05.47 10.0 positive automatic P 143 4363.8762 0.631595 0.439542
JP.JGF.BHZ. 2023-08-04T11:55:49.00 10.0 positive automatic P 16 4175.8866 -0.264102 0.605729
G.INU.BHZ.00 2023-08-04T11:55:46.46 10.0 positive automatic P 16 4139.301 -0.0574444 0.588465
PS.TJN.BHZ. 2023-08-04T11:55:41.51 10.0 positive automatic P 3 4071.3357 -0.257132 0.622424
AU.HTT.BHZ.00 2023-08-04T11:55:34.23 10.0 positive automatic P 160 3955.7847 1.23805 0.651743
AU.EIDS.BHZ. 2023-08-04T11:55:32.45 10.0 positive automatic P 137 3941.2659 0.729009 0.664187
JP.JTU.BHZ. 2023-08-04T11:55:27.10 10.0 positive automatic P 6 3885.0999 -1.04388 0.699813
JP.JMN.BHZ. 2023-08-04T11:55:26.70 10.0 positive automatic P 13 3880.4712 -0.817226 0.685169
AU.QLP.BHZ. 2023-08-04T11:55:03.67 10.0 positive automatic P 147 3567.5067 1.26779 0.810676
JP.JSU.BHZ. 2023-08-04T11:55:02.00 10.0 positive automatic P 9 3569.0385 -0.645712 0.829264
AU.FORT.BHZ.00 2023-08-04T11:54:48.80 10.0 positive automatic P 175 3403.7373 -0.765514 0.911779
AU.MORW.BHZ. 2023-08-04T11:54:43.77 10.0 positive automatic P 196 3340.3563 -0.530794 0.981777
JP.JOW.BHZ. 2023-08-04T11:54:20.00 10.0 positive automatic P 6 3024.6834 -0.0588894 0.47619
GE.GSI.BHZ. 2023-08-04T11:54:19.72 10.0 positive automatic P 273 3059.2932 -1.52159 0.869565
AU.WRKA.BHZ.00 2023-08-04T11:53:58.88 10.0 positive automatic P 173 2773.4571 0.00253732 0.987654
MY.KUM.BHZ. 2023-08-04T11:53:58.42 10.0 positive automatic P 283 2778.5076 -0.927644 0.952381
PS.ISG.BHZ. 2023-08-04T11:53:54.96 10.0 positive automatic P 358 2734.4739 -0.623183 0.930233
MY.IPM.BHZ. 2023-08-04T11:53:53.92 10.0 positive automatic P 281 2720.1216 -0.312217 1.20128
GE.PMG.BHZ.00 2023-08-04T11:53:48.72 10.0 positive automatic P 113 2640.7011 -0.142874 0.754717
GE.MNAI.BHZ. 2023-08-04T11:53:36.32 10.0 positive automatic P 259 2497.167 1.3807 0.952381
AU.COEN.BHZ.00 2023-08-04T11:53:36.48 10.0 positive automatic P 128 2502.384 0.909791 1.05286
AU.XMI.BHZ.00 2023-08-04T11:53:27.70 10.0 positive automatic P 241 2423.019 -0.264219 1.0198
II.WRAB.BHZ.00 2023-08-04T11:53:24.87 10.0 positive automatic P 156 2406.3357 -0.192316 0.97561
MY.KOM.BHZ. 2023-08-04T11:53:21.82 10.0 positive automatic P 276 2369.073 -1.39079 0.936107
RM.DLV.BHZ. 2023-08-04T11:53:14.77 10.0 positive automatic P 307 2276.9097 -0.252216 0.924104
AU.FITZ.BHZ. 2023-08-04T11:52:43.50 10.0 positive automatic P 178 1983.1926 -0.0705071 0.869565
PS.JAY.BHZ. 2023-08-04T11:52:18.21 10.0 positive automatic P 98 1749.8928 -0.39345 1.35763
AU.KDU.BHZ.00 2023-08-04T11:51:59.73 10.0 positive automatic P 150 1602.1851 -1.53935 1.61074
AU.MTN.BHZ.00 2023-08-04T11:51:54.18 10.0 positive automatic P 155 1548.3612 -0.645603 1.64168
GE.JAGI.BHZ. 2023-08-04T11:51:53.32 10.0 positive automatic P 233 1516.0935 2.21121 0.909091
GE.SOEI.BHZ. 2023-08-04T11:50:59.02 10.0 positive automatic P 185 1059.828 2.95828 0.577755
GE.BKB.BHZ. 2023-08-04T11:50:40.17 10.0 positive automatic P 264 914.2182 1.90588 0.759984
GE.FAKI.BHZ. 2023-08-04T11:50:27.82 10.0 positive automatic P 111 847.2963 -0.879271 1.85193
II.KAPI.BHZ.00 2023-08-04T11:50:23.20 10.0 positive automatic P 228 794.6712 0.606978 0.91954
GE.BNDI.BHZ. 2023-08-04T11:50:12.02 10.0 positive automatic P 132 714.0297 -0.879487 0.530018
GE.TNTI.BHZ. 2023-08-04T11:49:19.32 10.0 positive automatic P 66 275.9904 1.38209 2.02768
GE.LUWI.BHZ. 2023-08-04T11:49:18.22 10.0 positive automatic P 251 272.8491 0.43421 0.976678
GE.SANI.BHZ. 2023-08-04T11:49:09.97 10.0 positive automatic P 154 223.6428 -0.348322 2.06272
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