Earthquake with magnitude of Mwp 5.5 on date 03-09-2023 and time 23:30:00 (Italy) in region Micronesia [Sea]

A magnitude Mwp 5.5 earthquake occured in region: Micronesia [Sea], on

  • 03-09-2023 21:30:00 (UTC)
  • 03-09-2023 23:30:00 (UTC +02:00) Italian time
  • 04-09-2023 07:30:00 (UTC +10:00) local time in the region of the earthquake (Pacific/Chuuk)

and geographic coordinates (lat, lon) 6.8840, 147.9590 at 9 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 5.2
Mwp 5.5

Mwpd 5.7
2023-09-03
21:30:00
6.8836 147.959 9 2023-09-03
22:07:24
Sala Sismica INGV-Roma 120721211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-03 21:30:00
Latitude 6.8836
Longitude 147.9590
Depth (km) 9 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 120721211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 17665737
Semi-minor axis of confidence ellipse (meter) 16197035
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 14456400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40.4031
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.49288
Epicentral distance of station closest to the epicenter (degree) 10.28195
Epicentral distance of station farthest from the epicenter (degree) 96.80833
Number of stations at which the event was observed 65
Number of stations from which data was used for origin computation 65
Magnitudes information

Mwp:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude Mwp
Reference to an origin 120721211
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-03 22:07:24

Mwpd:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 5
Type of magnitude Mwpd
Reference to an origin 120721211
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-03 22:07:24

mb:5.2

Field Value
Value 5.2
Uncertainty 0.1
Num. used stations 50
Type of magnitude mb
Reference to an origin 120721211
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-03 22:07:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.QSPA.BHZ.00 2023-09-03T21:43:31.42 10.0 positive automatic P 180 10745.7213 0.935723 0.0914699
US.MVCO.BHZ.00 2023-09-03T21:43:27.50 10.0 positive automatic P 51 10708.4475 -1.30528 0.0921079
US.DUG.BHZ.00 2023-09-03T21:43:12.68 10.0 positive automatic P 49 10271.1297 2.04513 0.0858165
US.BOZ.BHZ.00 2023-09-03T21:43:11.93 10.0 positive automatic P 44 10243.4463 2.4246 0.0327734
US.ELK.BHZ.00 2023-09-03T21:43:04.45 10.0 positive automatic P 49 10058.6646 2.56007 0.101966
II.PFO.BHZ.00 2023-09-03T21:43:04.95 10.0 positive automatic P 56 10079.466 1.29025 0.10274
US.BMO.BHZ.00 2023-09-03T21:42:53.43 10.0 positive automatic P 45 9821.4798 1.72876 0.104521
US.WVOR.BHZ.00 2023-09-03T21:42:51.18 10.0 positive automatic P 47 9751.9494 1.59354 0.0530081
US.NEW.BHZ.00 2023-09-03T21:42:51.48 10.0 positive automatic P 42 9781.1202 1.563 0.100803
BK.CMB.BHZ.00 2023-09-03T21:42:47.07 10.0 positive automatic P 52 9663.4158 1.52216 0.11311
US.HAWA.BHZ.00 2023-09-03T21:42:45.55 10.0 positive automatic P 44 9628.0734 1.59358 0.113941
IU.SBA.BHZ.00 2023-09-03T21:42:38.00 10.0 positive automatic P 176 9476.0811 1.36136 0.114891
II.ARTI.BHZ.00 2023-09-03T21:42:30.17 10.0 positive automatic P 326 9327.5853 0.496476 0.108487
CN.ATLI.BHZ. 2023-09-03T21:42:00.45 10.0 positive automatic P 30 8676.2706 1.93582 0.137052
II.JZAX.BHZ.00 2023-09-03T21:41:59.52 10.0 positive automatic P 310 8671.0314 1.31249 0.138832
CN.EAGLY.BHZ. 2023-09-03T21:41:58.10 10.0 positive automatic P 23 8639.9181 1.41573 0.138208
IU.CASY.BHZ.00 2023-09-03T21:41:57.37 10.0 positive automatic P 194 8660.6307 -0.253737 0.0428591
II.SIMI.BHZ.00 2023-09-03T21:41:54.15 10.0 positive automatic P 308 8556.5349 1.79077 0.146009
II.BORK.BHZ.00 2023-09-03T21:41:52.05 10.0 positive automatic P 323 8555.9022 -0.334647 0.149636
US.EGAK.BHZ.00 2023-09-03T21:41:46.08 10.0 positive automatic P 25 8402.478 1.5423 0.0714047
IU.COLA.BHZ.00 2023-09-03T21:41:29.27 10.0 positive automatic P 24 8104.3209 0.251438 0.155277
II.KURK.BHZ.00 2023-09-03T21:41:21.90 10.0 positive automatic P 321 7954.4709 2.22262 0.163057
AT.TTA.BHZ. 2023-09-03T21:41:06.78 10.0 positive automatic P 24 7653.2058 1.71661 0.185648
IU.MAKZ.BHZ.00 2023-09-03T21:41:03.75 10.0 positive automatic P 318 7620.5163 2.10255 0.177664
IU.TIXI.BHZ.00 2023-09-03T21:40:44.42 10.0 positive automatic P 354 7307.4408 0.893517 0.193216
IU.YAK.BHZ.00 2023-09-03T21:39:42.62 10.0 positive automatic P 350 6301.3923 0.254758 0.118867
IU.ULN.BHZ.00 2023-09-03T21:39:22.37 10.0 positive automatic P 327 5958.4245 1.65209 0.43037
NZ.URZ.HHZ.10 2023-09-03T21:39:15.94 10.0 positive automatic P 151 5844.6051 2.52595 0.313736
IU.CHTO.BHZ.00 2023-09-03T21:38:48.77 10.0 positive automatic P 289 5447.6358 2.37391 0.351788
NZ.OUZ.HHZ.10 2023-09-03T21:38:45.11 10.0 positive automatic P 152 5387.7846 1.75667 0.363931
AU.MORW.BHZ. 2023-09-03T21:38:31.00 10.0 positive automatic P 219 5248.7349 0.225576 0.374555
AU.TOO.BHZ.00 2023-09-03T21:38:10.45 10.0 positive automatic P 183 4940.9097 -0.195418 0.395123
MY.KOM.BHZ. 2023-09-03T21:38:10.97 10.0 positive automatic P 265 4912.4049 1.99563 0.417892
AU.FORT.BHZ.00 2023-09-03T21:37:50.80 10.0 positive automatic P 206 4685.0436 -1.15213 0.475661
AU.HTT.BHZ.00 2023-09-03T21:37:42.25 10.0 positive automatic P 191 4574.8428 -1.66566 0.493059
IU.MBWA.BHZ.00 2023-09-03T21:37:28.57 10.0 positive automatic P 224 4375.62 0.0549901 0.558475
II.MSVF.BHZ.00 2023-09-03T21:37:22.70 10.0 positive automatic P 130 4283.9007 -0.776386 0.519999
JP.JKA.BHZ. 2023-09-03T21:37:13.15 10.0 positive automatic P 354 4165.6302 0.0928419 0.608875
AU.ARMA.BHZ. 2023-09-03T21:37:12.57 10.0 positive automatic P 175 4158.7149 -0.763349 0.596694
AU.WRKA.BHZ.00 2023-09-03T21:37:08.70 10.0 positive automatic P 210 4131.1425 -1.79305 0.590949
MY.SBM.BHZ. 2023-09-03T21:37:01.37 10.0 positive automatic P 265 3983.3349 1.74413 0.621505
PS.TJN.BHZ. 2023-09-03T21:36:51.61 10.0 positive automatic P 330 3882.891 0.357826 0.600691
ND.MARNC.BHZ.00 2023-09-03T21:36:47.70 10.0 positive automatic P 146 3832.6302 -0.813667 0.702583
ND.ONTNC.BHZ.00 2023-09-03T21:36:46.30 10.0 positive automatic P 149 3813.2163 -0.331938 0.709757
JP.JTM.BHZ. 2023-09-03T21:36:46.20 10.0 positive automatic P 351 3824.9046 -0.00923779 0.466666
AU.QLP.BHZ. 2023-09-03T21:36:39.27 10.0 positive automatic P 186 3736.26 -0.39922 0.691088
AU.FITZ.BHZ. 2023-09-03T21:36:35.70 10.0 positive automatic P 221 3697.1991 -0.440211 0.721457
AU.EIDS.BHZ. 2023-09-03T21:36:28.67 10.0 positive automatic P 175 3595.7451 -0.0853651 0.807629
ND.KOUNC.BHZ.00 2023-09-03T21:36:23.95 10.0 positive automatic P 150 3527.7576 -0.523944 0.79245
IU.MAJO.BHZ.00 2023-09-03T21:36:15.27 10.0 positive automatic P 345 3437.6256 -0.15697 0.873381
JP.JGF.BHZ. 2023-09-03T21:36:10.15 10.0 positive automatic P 343 3365.7531 -0.0834741 0.911091
G.INU.BHZ.00 2023-09-03T21:36:08.76 10.0 positive automatic P 342 3350.3685 -0.29712 0.878619
JP.JMN.BHZ. 2023-09-03T21:36:07.00 10.0 positive automatic P 336 3312.3843 0.159864 0.888889
JP.JSU.BHZ. 2023-09-03T21:36:04.15 10.0 positive automatic P 329 3280.9047 0.351379 0.465116
JP.JSG.BHZ. 2023-09-03T21:36:03.55 10.0 positive automatic P 343 3242.976 1.9987 0.909091
JP.JOW.BHZ. 2023-09-03T21:35:45.20 10.0 positive automatic P 319 3035.961 0.307018 0.952381
IU.CTAO.BHZ.00 2023-09-03T21:35:42.07 10.0 positive automatic P 184 2999.5086 0.244581 0.930233
AU.MTN.BHZ.00 2023-09-03T21:35:29.35 10.0 positive automatic P 220 2870.2158 -1.25083 0.306513
AU.KDU.BHZ.00 2023-09-03T21:35:20.28 10.0 positive automatic P 218 2763.4116 -1.57485 0.869565
GE.TNTI.BHZ. 2023-09-03T21:34:48.67 10.0 positive automatic P 254 2378.1639 1.11667 0.93383
AU.COEN.BHZ.00 2023-09-03T21:34:46.70 10.0 positive automatic P 193 2372.5251 0.219861 0.909091
GE.FAKI.BHZ. 2023-09-03T21:34:15.02 10.0 positive automatic P 238 2052.6231 -0.329446 1.37405
GE.PMG.BHZ.00 2023-09-03T21:33:50.92 10.0 positive automatic P 183 1810.6098 1.85771 0.888889
PS.JAY.BHZ. 2023-09-03T21:32:44.26 10.0 positive automatic P 218 1316.9484 -3.86612 0.909091
PS.PATS.BHZ. 2023-09-03T21:32:23.01 10.0 positive automatic P 90 1141.2909 -3.38221 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