Earthquake with magnitude of mb 4.6 on date 29-04-2023 and time 18:02:58 (UTC) in region Greece [Sea]

A magnitude mb 4.6 earthquake occured in region: Greece [Sea], on

  • 29-04-2023 18:02:58 (UTC)
  • 29-04-2023 20:02:58 (UTC +02:00) Italian time
  • 29-04-2023 21:02:58 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.3100, 22.2230 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 4.6
Mwp 4.5
2023-04-29
18:02:58
38.3098 22.2231 10 2023-04-29
18:19:30
Sala Sismica INGV-Roma 116879101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-29 18:02:58
Latitude 38.3098
Longitude 22.2231
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 116879101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5325
Semi-minor axis of confidence ellipse (meter) 1613
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 4301.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98.8703
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.59595
Epicentral distance of station closest to the epicenter (degree) 0.71674
Epicentral distance of station farthest from the epicenter (degree) 43.73817
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

Mwp:4.5

Field Value
Value 4.5
Uncertainty 0.1
Num. used stations 5
Type of magnitude Mwp
Reference to an origin 116879101
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-04-29 18:19:30

mb:4.6

Field Value
Value 4.6
Uncertainty 0.3
Num. used stations 19
Type of magnitude mb
Reference to an origin 116879101
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-04-29 18:19:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.MAKZ.BHZ.00 2023-04-29T18:11:04.30 10.0 positive automatic P 59 4854.9402 1.03646 0.685008
II.AAK.BHZ.00 2023-04-29T18:10:29.62 10.0 positive automatic P 67 4369.1931 2.06469 0
II.ESK.BHZ.00 2023-04-29T18:08:12.32 10.0 negative automatic P 323 2672.1807 -0.904387 0.869565
RD.ROSF.BHZ. 2023-04-29T18:07:40.88 10.0 positive automatic P 307 2324.7507 0.201064 0.925926
GE.VSU.BHZ. 2023-04-29T18:07:33.65 10.0 positive automatic P 7 2260.1598 -0.692107 0.930233
RD.MFF.BHZ. 2023-04-29T18:07:13.82 10.0 positive automatic P 304 2040.2577 1.1455 0.854701
RD.MTLF.BHZ. 2023-04-29T18:06:45.24 10.0 positive automatic P 295 1765.5105 3.58667 0.925926
RD.LOR.BHZ. 2023-04-29T18:06:43.62 10.0 negative automatic P 310 1789.1757 -0.808765 0.934579
G.ECH.BHZ.00 2023-04-29T18:06:25.15 10.0 positive automatic P 317 1635.2742 -1.02536 0.869565
II.BFO.BHZ.00 2023-04-29T18:06:16.22 10.0 positive automatic P 319 1575.1455 -2.5699 0.952381
OE.DAVA.BHZ. 2023-04-29T18:05:59.82 10.0 positive automatic P 319 1412.1198 0.906589 0.869565
RD.PGF.BHZ. 2023-04-29T18:05:35.70 10.0 positive automatic P 297 1210.5771 1.69637 0.961538
OE.KBA.BHZ. 2023-04-29T18:05:33.72 10.0 positive automatic P 326 1211.5095 -0.499777 0.930233
IV.PTCC.BHZ. 2023-04-29T18:05:25.15 10.0 negative automatic P 324 1154.7552 -1.89546 0.930233
OE.ARSA.BHZ. 2023-04-29T18:05:23.02 10.0 negative automatic P 333 1131.5562 -1.13612 0.869565
GE.PSZ.BHZ. 2023-04-29T18:05:19.30 10.0 negative automatic P 351 1082.9271 1.07978 0.952381
IV.MGAB.BHZ. 2023-04-29T18:05:08.35 10.0 negative automatic P 304 992.3733 1.37933 0.930233
HU.KOVH.BHZ. 2023-04-29T18:04:57.35 10.0 positive automatic P 340 927.2163 -1.52648 0.952381
MN.AQU.BHZ. 2023-04-29T18:04:52.92 10.0 positive automatic P 304 870.0624 1.03685 0.909091
GE.TIRR.BHZ. 2023-04-29T18:04:51.05 10.0 negative automatic P 35 854.6778 1.18067 0.930233
MN.BLY.BHZ. 2023-04-29T18:04:45.82 10.0 positive automatic P 331 827.9268 -0.773607 0.952381
MN.BZS.BHZ. 2023-04-29T18:04:45.02 10.0 positive automatic P 357 812.6865 0.314003 0.888889
MN.DIVS.BHZ. 2023-04-29T18:04:27.25 10.0 positive automatic P 345 668.886 0.200958 0.888889
MN.CUC.BHZ. 2023-04-29T18:04:16.92 10.0 positive automatic P 291 582.1839 0.667983 0.869565
GE.MATE.BHZ. 2023-04-29T18:04:09.85 10.0 negative automatic P 301 539.2491 -1.06488 0.784314
MN.PDG.BHZ. 2023-04-29T18:04:08.47 10.0 negative automatic P 332 521.3226 -0.143184 0.869565
HL.RDO.HHZ. 2023-04-29T18:03:55.26 10.0 positive automatic P 41 423.0099 -1.19012 0.995025
GE.APE.BHZ. 2023-04-29T18:03:47.28 10.0 positive automatic P 114 321.4782 3.31934 0.930233
HL.KEK.HHZ. 2023-04-29T18:03:36.87 10.0 negative automatic P 307 260.8611 0.488319 0.970874
HT.LIT.HHZ. 2023-04-29T18:03:28.10 10.0 negative automatic P 6 200.3883 -0.848914 0.980392
HL.ITM.HHZ. 2023-04-29T18:03:17.50 10.0 positive automatic P 192 128.2383 -2.28518 0.990099
HT.AGG.HHZ. 2023-04-29T18:03:09.66 10.0 positive automatic P 7 79.5537 -1.9586 0.985222
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