Earthquake with magnitude of Mwp 5.5 on date 24-03-2023 and time 04:25:28 (UTC) in region Southeast of Honshu, Japan [Sea: Japan]

A magnitude Mwp 5.5 earthquake occured in region: Southeast of Honshu, Japan [Sea: Japan], on

  • 24-03-2023 04:25:28 (UTC)
  • 24-03-2023 05:25:28 (UTC +01:00) Italian time
  • 24-03-2023 13:25:28 (UTC +09:00) local time in the region of the earthquake (Asia/Tokyo)

and geographic coordinates (lat, lon) 29.9740, 142.1990 at 10 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 5.3
Mwp 5.5

Mwpd 5.6
2023-03-24
04:25:28
29.9742 142.199 10 2023-03-24
04:40:07
Sala Sismica INGV-Roma 115681111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-24 04:25:28
Latitude 29.9742
Longitude 142.1990
Depth (km) 10 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115681111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 22430
Semi-minor axis of confidence ellipse (meter) 15957
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 18105.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99.8038
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.54742
Epicentral distance of station closest to the epicenter (degree) 3.74099
Epicentral distance of station farthest from the epicenter (degree) 81.93879
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 52
Magnitudes information

Mwpd:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude Mwpd
Reference to an origin 115681111
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-24 04:40:07

Mwp:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude Mwp
Reference to an origin 115681111
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-24 04:40:07

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 35
Type of magnitude mb
Reference to an origin 115681111
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-24 04:40:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
US.BW06.BHZ.00 2023-03-24T04:37:49.68 10.0 negative automatic P 45 81.9388 2.65396 0.161201
US.DUG.BHZ.00 2023-03-24T04:37:46.78 10.0 negative automatic PcP 48 81.2927 -2.85874 0
US.HWUT.BHZ.00 2023-03-24T04:37:45.75 10.0 positive automatic P 47 81.3315 2.0073 0.166753
US.AHID.BHZ.00 2023-03-24T04:37:45.23 10.0 negative automatic P 45 80.9937 3.25423 0.160119
US.RLMT.BHZ.00 2023-03-24T04:37:44.40 10.0 negative automatic P 43 80.8043 3.41963 0.158148
IU.KIEV.BHZ.00 2023-03-24T04:37:37.17 10.0 positive automatic P 324 80.0650 0.491208 0.170326
US.ELK.BHZ.00 2023-03-24T04:37:36.93 10.0 negative automatic P 49 79.4316 3.33292 0
US.BOZ.BHZ.00 2023-03-24T04:37:35.03 10.0 negative automatic P 43 79.1528 3.06338 0.182982
US.EGMT.BHZ.00 2023-03-24T04:37:33.45 10.0 negative automatic P 40 78.9302 2.80455 0.187342
DK.SCO.BHZ. 2023-03-24T04:37:32.95 10.0 positive automatic P 355 78.8949 2.66867 0.185451
US.HLID.BHZ.00 2023-03-24T04:37:31.78 10.0 positive automatic P 46 78.5197 3.2642 0.189073
US.MSO.BHZ.00 2023-03-24T04:37:23.33 10.0 positive automatic P 43 77.1467 2.5479 0.193415
GE.VSU.BHZ. 2023-03-24T04:37:19.15 10.0 positive automatic P 331 76.6405 1.42538 0.20774
US.NEW.BHZ.00 2023-03-24T04:37:08.98 10.0 negative automatic P 43 74.5722 2.98729 0.234894
GE.DAG.BHZ. 2023-03-24T04:36:55.61 10.0 negative automatic P 355 72.5941 1.36919 0.245083
AU.TOO.BHZ.00 2023-03-24T04:36:26.70 10.0 negative automatic P 177 67.6128 2.92641 0.309666
AU.MILA.BHZ.00 2023-03-24T04:36:26.10 10.0 negative automatic P 174 67.3422 4.00996 0.298805
IU.NWAO.BHZ.00 2023-03-24T04:36:18.00 10.0 negative automatic P 203 67.1914 -2.07435 0.318714
G.CAN.BHZ.00 2023-03-24T04:36:14.90 10.0 negative automatic P 174 65.6030 3.95087 0.312777
II.ARTI.BHZ.00 2023-03-24T04:35:47.77 10.0 positive automatic P 321 62.1090 -0.104659 0.364403
AU.FORT.BHZ.00 2023-03-24T04:35:46.20 10.0 negative automatic P 194 62.2209 -2.39658 0.384798
II.SIMI.BHZ.00 2023-03-24T04:35:29.62 10.0 positive automatic P 300 59.4858 -0.58281 0.428981
US.EGAK.BHZ.00 2023-03-24T04:35:17.83 10.0 negative automatic P 29 57.5005 1.67052 0.408968
AU.WRKA.BHZ.00 2023-03-24T04:35:07.25 10.0 negative automatic P 195 56.6019 -2.60041 0.445521
AU.EIDS.BHZ. 2023-03-24T04:35:05.32 10.0 negative automatic P 170 55.9921 -0.110747 0.46518
IU.COLA.BHZ.00 2023-03-24T04:34:58.37 10.0 positive automatic P 29 54.6523 2.59938 0.448714
II.AAK.BHZ.00 2023-03-24T04:34:54.87 10.0 negative automatic P 303 54.5346 -0.293737 0.493291
II.KDAK.BHZ.00 2023-03-24T04:34:37.77 10.0 positive automatic P 38 51.9533 1.86371 0.541002
G.SANVU.BHZ.00 2023-03-24T04:34:32.80 10.0 positive automatic P 149 51.4158 0.922327 0.530727
GE.GSI.BHZ. 2023-03-24T04:34:27.32 10.0 positive automatic P 244 51.1132 -2.29533 0.54835
II.KURK.BHZ.00 2023-03-24T04:34:27.17 10.0 positive automatic P 313 50.8915 -0.787789 0.565484
IU.CTAO.BHZ.00 2023-03-24T04:34:22.55 10.0 negative automatic P 175 50.2123 -0.310115 0.550234
IU.MAKZ.BHZ.00 2023-03-24T04:34:11.17 10.0 positive automatic P 308 48.7965 -0.927063 0.519285
MY.IPM.BHZ. 2023-03-24T04:33:51.47 10.0 positive automatic P 245 46.4413 -2.26864 0
AU.MTN.BHZ.00 2023-03-24T04:33:32.55 10.0 positive automatic P 196 44.1238 -2.77338 0.669885
AU.KDU.BHZ.00 2023-03-24T04:33:29.55 10.0 negative automatic P 194 43.6765 -2.16707 0.662306
II.KAPI.BHZ.00 2023-03-24T04:33:08.35 10.0 positive automatic P 215 41.0702 -2.19228 0
IU.CHTO.BHZ.00 2023-03-24T04:33:05.02 10.0 positive automatic P 264 40.6822 -2.33576 0.663143
MY.SBM.BHZ. 2023-03-24T04:32:56.17 10.0 positive automatic P 232 39.5543 -1.80022 0.675495
GE.SANI.BHZ. 2023-03-24T04:32:20.72 10.0 positive automatic P 209 35.5681 -3.46062 0.779517
GE.FAKI.BHZ. 2023-03-24T04:32:13.27 10.0 positive automatic P 198 34.2404 0.526046 0.88352
IU.ULN.BHZ.00 2023-03-24T04:31:54.62 10.0 positive automatic P 314 32.2523 -1.02568 0.843887
IU.TATO.BHZ.00 2023-03-24T04:29:48.52 10.0 positive automatic P 260 19.0040 -0.0624718 0.43956
IU.YSS.BHZ.00 2023-03-24T04:29:22.50 10.0 negative automatic P 1 16.9893 -1.99431 0.930233
JP.JOW.BHZ. 2023-03-24T04:28:30.25 10.0 positive automatic P 259 12.6354 3.68584 0.952381
II.ERM.BHZ.00 2023-03-24T04:28:14.87 10.0 negative automatic P 3 12.0650 -3.86122 0.909091
JP.JTM.BHZ. 2023-03-24T04:28:00.30 10.0 negative automatic P 355 10.8540 -1.88464 0.97561
JP.JMN.BHZ. 2023-03-24T04:27:28.25 10.0 negative automatic P 300 8.0015 5.09311 0.909091
IU.MAJO.BHZ.00 2023-03-24T04:27:14.37 10.0 negative automatic P 334 7.3695 -0.0903529 0.952381
G.INU.BHZ.00 2023-03-24T04:27:08.46 10.0 positive automatic P 322 6.9141 0.30519 0.930233
JP.JGF.BHZ. 2023-03-24T04:27:08.75 10.0 positive automatic P 325 6.9459 0.0796934 0.952381
JP.JHJ2.BHZ. 2023-03-24T04:26:23.20 10.0 positive automatic P 328 3.7410 -1.34669 0.888889
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download