Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.5 on date 18-08-2022 and time 07:46:28 (UTC) in region Minahassa Peninsula, Sulawesi, Indonesia [Sea: Indonesia]

A magnitude Mwp 5.5 earthquake occured in region: Minahassa Peninsula, Sulawesi, Indonesia [Sea: Indonesia], on

  • 18-08-2022 07:46:28 (UTC)
  • 18-08-2022 09:46:28 (UTC +02:00) Italian time
  • 18-08-2022 15:46:28 (UTC +08:00) local time in the region of the earthquake (Asia/Makassar)

and geographic coordinates (lat, lon) 0.3830, 124.4360 at 173 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 5.5
Mwpd 5.7 		2022-08-18
07:46:28		 0.3832 124.436 173 2022-08-18
07:59:08		 Sala Sismica INGV-Roma 108671921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-18 07:46:28
Latitude 0.3832
Longitude 124.4360
Depth (km) 173 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 108671921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6661
Semi-minor axis of confidence ellipse (meter) 5052
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 6596.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62.3763
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.64667
Epicentral distance of station closest to the epicenter (degree) 2.19051
Epicentral distance of station farthest from the epicenter (degree) 62.63574
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 43
Magnitudes information

Mwp:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 9
Type of magnitude Mwp
Reference to an origin 108671921
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-18 07:59:08

Mwpd:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude Mwpd
Reference to an origin 108671921
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-18 07:59:08

mb:5.3

Field Value
Value 5.3
Uncertainty 0.2
Num. used stations 33
Type of magnitude mb
Reference to an origin 108671921
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-08-18 07:59:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.MAKZ.BHZ.00 2022-08-18T07:56:49.70 10.0 positive automatic pP 328 6587.3172 -2.52683 0
IU.MA2.BHZ.00 2022-08-18T07:56:34.82 10.0 positive automatic P 15 6952.5627 0.524692 0.374463
NZ.URZ.HHZ.10 2022-08-18T07:56:29.67 10.0 positive automatic P 135 6863.907 0.724761 0.396782
IU.YAK.BHZ.00 2022-08-18T07:56:26.67 10.0 positive automatic P 3 6856.7919 -1.84835 0.249632
IU.SNZO.BHZ.00 2022-08-18T07:56:27.52 10.0 positive automatic P 139 6836.6898 0.213111 0.384274
NZ.KHZ.HHZ.10 2022-08-18T07:56:26.63 10.0 positive automatic P 141 6814.179 0.691633 0.401227
IU.MAKZ.BHZ.00 2022-08-18T07:56:09.95 10.0 positive automatic P 328 6587.3172 -2.23466 0.425797
IU.ULN.BHZ.00 2022-08-18T07:55:02.07 10.0 positive automatic P 345 5529.8091 -1.71903 0.531877
G.SANVU.BHZ.00 2022-08-18T07:54:29.95 10.0 negative automatic P 112 5006.544 2.76796 0.59532
AU.MILA.BHZ.00 2022-08-18T07:54:18.48 10.0 negative automatic P 151 4869.6255 0.93993 0
AU.TOO.BHZ.00 2022-08-18T07:54:08.88 10.0 positive automatic P 155 4733.2176 1.20853 0.697125
G.CAN.BHZ.00 2022-08-18T07:54:07.30 10.0 negative automatic P 150 4708.2315 1.43027 0.718431
AU.ARMA.BHZ. 2022-08-18T07:53:49.15 10.0 positive automatic P 142 4463.643 1.14765 0.71747
JP.JMM.BHZ. 2022-08-18T07:53:48.90 10.0 positive automatic P 20 4483.9338 -0.421935 0.660902
IU.MAJO.BHZ.00 2022-08-18T07:53:30.92 10.0 positive automatic P 18 4256.3838 -1.49488 0.744004
JP.JGF.BHZ. 2022-08-18T07:53:22.35 10.0 negative automatic P 17 4130.8428 -0.615329 0.783218
G.INU.BHZ.00 2022-08-18T07:53:19.61 10.0 positive automatic P 17 4093.8465 -0.466494 0.808538
AU.EIDS.BHZ. 2022-08-18T07:53:15.37 10.0 positive automatic P 137 4042.1094 -0.782163 0.848208
JP.JMN.BHZ. 2022-08-18T07:52:59.90 10.0 positive automatic P 14 3829.8441 -0.00463134 0.837019
JP.JTU.BHZ. 2022-08-18T07:52:58.95 10.0 positive automatic P 7 3824.6826 -0.471715 0.800716
IU.NWAO.BHZ.00 2022-08-18T07:52:54.25 10.0 negative automatic P 191 3773.223 -1.24422 0.877965
AU.QLP.BHZ. 2022-08-18T07:52:46.00 10.0 negative automatic P 146 3665.9526 -0.109519 0.877265
AU.FORT.BHZ.00 2022-08-18T07:52:31.55 10.0 negative automatic P 174 3479.8944 -0.925947 0.957483
IU.CHTO.BHZ.00 2022-08-18T07:52:29.55 10.0 positive automatic P 308 3448.3371 -0.48137 0.940589
AU.MORW.BHZ. 2022-08-18T07:52:23.92 10.0 negative automatic P 195 3388.0974 -1.31572 0.964054
JP.JOW.BHZ. 2022-08-18T07:51:54.45 10.0 negative automatic P 8 2964.5547 3.023 0.930233
AU.WRKA.BHZ.00 2022-08-18T07:51:41.78 10.0 negative automatic P 172 2851.8786 -0.618603 0.952381
AU.GIRL.BHZ.00 2022-08-18T07:51:36.65 10.0 negative automatic P 203 2783.4693 -0.0972972 0.952381
JP.YOJ.BHZ. 2022-08-18T07:51:26.95 10.0 positive automatic P 357 2677.5753 -1.1417 0.43956
MY.IPM.BHZ. 2022-08-18T07:51:25.42 10.0 negative automatic P 280 2634.9957 0.779637 0.930233
II.WRAB.BHZ.00 2022-08-18T07:51:12.47 10.0 negative automatic P 155 2500.0419 -1.1067 0.963855
AU.KDU.BHZ.00 2022-08-18T07:49:53.83 10.0 negative automatic P 149 1699.3212 -1.57032 0.91954
AU.MTN.BHZ.00 2022-08-18T07:49:48.23 10.0 negative automatic P 154 1642.8222 -0.922358 0.963855
GE.JAGI.BHZ. 2022-08-18T07:49:37.47 10.0 negative automatic P 229 1503.1176 3.99864 0.930233
MY.SBM.BHZ. 2022-08-18T07:49:19.67 10.0 positive automatic P 280 1375.3677 0.783161 0.909091
GE.SOEI.BHZ. 2022-08-18T07:48:51.67 10.0 positive automatic P 181 1125.4845 1.8246 0.930233
GE.MMRI.BHZ. 2022-08-18T07:48:37.47 10.0 positive automatic P 194 1030.1466 -0.942669 0.888889
GE.FAKI.BHZ. 2022-08-18T07:48:27.32 10.0 negative automatic P 113 941.2245 -0.541005 0.43956
GE.BKB.BHZ. 2022-08-18T07:48:17.87 10.0 positive automatic P 259 852.0471 0.607473 0.43956
GE.BNDI.BHZ. 2022-08-18T07:48:16.77 10.0 positive automatic P 132 815.0175 3.92799 0.952381
II.KAPI.BHZ.00 2022-08-18T07:48:09.67 10.0 positive automatic P 221 792.8064 -0.582628 0.963855
GE.TNTI.BHZ. 2022-08-18T07:47:16.57 10.0 positive automatic P 82 328.1715 0.52199 0.909091
GE.SANI.BHZ. 2022-08-18T07:47:12.72 10.0 positive automatic P 147 320.3127 -2.46062 0.952381
GE.LUWI.BHZ. 2022-08-18T07:47:05.52 10.0 positive automatic P 229 243.1455 -1.45206 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