Earthquake with magnitude of mb 4.7 on date 21-03-2023 and time 01:20:17 (Italy) in region Greece [Sea]

A magnitude mb 4.7 earthquake occured in region: Greece [Sea], on

  • 21-03-2023 00:20:17 (UTC)
  • 21-03-2023 01:20:17 (UTC +01:00) Italian time
  • 21-03-2023 02:20:17 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.9840, 21.1220 at 34 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 4.7
Mwp 4.8
2023-03-21
00:20:17
38.9839 21.1223 34 2023-03-21
00:30:50
Sala Sismica INGV-Roma 115575911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-21 00:20:17
Latitude 38.9839
Longitude 21.1223
Depth (km) 34 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115575911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6932840
Semi-minor axis of confidence ellipse (meter) 6224986
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 7204740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47.0483
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.35284
Epicentral distance of station closest to the epicenter (degree) 0.90848
Epicentral distance of station farthest from the epicenter (degree) 36.86438
Number of stations at which the event was observed 61
Number of stations from which data was used for origin computation 61
Magnitudes information

Mwp:4.8

Field Value
Value 4.8
Uncertainty 0.1
Num. used stations 10
Type of magnitude Mwp
Reference to an origin 115575911
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-03-21 00:30:50

mb:4.7

Field Value
Value 4.7
Uncertainty 0.3
Num. used stations 47
Type of magnitude mb
Reference to an origin 115575911
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-03-21 00:30:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
II.SIMI.BHZ.00 2023-03-21T00:27:22.62 10.0 positive automatic P 75 36.8644 0.00431755 0.630719
II.UOSS.BHZ.00 2023-03-21T00:26:43.82 10.0 positive automatic P 105 32.6370 -1.99087 0.795234
II.ARTI.BHZ.00 2023-03-21T00:26:20.67 10.0 positive automatic P 42 29.9578 -1.91893 0.869565
WM.TIO.BHZ. 2023-03-21T00:25:35.80 10.0 positive automatic P 260 24.4982 2.02776 0.952381
II.ESK.BHZ.00 2023-03-21T00:25:19.77 10.0 positive automatic P 323 23.0189 0.796879 0.952381
LX.MESJ.BHZ. 2023-03-21T00:25:18.32 10.0 positive automatic P 276 22.9196 -0.191462 0.952381
PM.PVAQ.BHZ. 2023-03-21T00:25:15.10 10.0 positive automatic P 275 22.6251 -0.407475 0.930233
IU.PAB.BHZ.00 2023-03-21T00:24:44.65 10.0 positive automatic P 280 19.6626 0.763725 0.963855
GE.VSU.BHZ. 2023-03-21T00:24:43.65 10.0 positive automatic P 9 19.8094 -0.495043 0.952381
II.KIV.BHZ.00 2023-03-21T00:24:13.97 10.0 positive automatic P 66 16.8483 2.24615 0.869565
PL.SUW.BHZ. 2023-03-21T00:23:48.32 10.0 positive automatic P 5 15.0929 0.874638 0.952381
RD.LOR.BHZ. 2023-03-21T00:23:45.98 10.0 positive automatic P 309 15.0265 -1.46305 0.934579
RD.ORIF.BHZ. 2023-03-21T00:23:19.06 10.0 positive automatic P 303 12.7661 2.20568 0.934579
II.BFO.BHZ.00 2023-03-21T00:23:19.97 10.0 positive automatic P 320 13.1194 -1.18499 0.930233
GE.STU.BHZ. 2023-03-21T00:23:18.35 10.0 positive automatic P 323 12.9961 -0.932545 0.930233
MN.BNI.BHZ. 2023-03-21T00:23:12.80 10.0 positive automatic P 304 12.3014 2.00976 0.97561
IV.MONC.BHZ. 2023-03-21T00:23:01.25 10.0 positive automatic P 306 11.5171 1.17653 0.97561
OE.DAVA.BHZ. 2023-03-21T00:23:01.52 10.0 positive automatic P 319 11.6489 -0.766114 0.930233
FR.SAOF.HHZ.00 2023-03-21T00:22:59.07 10.0 positive automatic P 301 11.3091 2.2107 0.966184
GE.CSS.BHZ. 2023-03-21T00:22:47.35 10.0 positive automatic P 109 10.5391 0.985406 0.909091
IV.BOB.BHZ. 2023-03-21T00:22:45.50 10.0 positive automatic P 307 10.4246 0.0436425 0.97561
RD.PGF.BHZ. 2023-03-21T00:22:38.88 10.0 positive automatic P 295 9.8376 2.0748 0.961538
OE.KBA.BHZ. 2023-03-21T00:22:36.57 10.0 positive automatic P 328 9.8802 -1.04515 0.952381
MN.VLC.BHZ. 2023-03-21T00:22:35.07 10.0 positive automatic P 306 9.5424 2.24003 0.930233
IV.PTCC.BHZ. 2023-03-21T00:22:28.45 10.0 positive automatic P 325 9.3549 -1.20459 0.952381
IU.ANTO.BHZ.00 2023-03-21T00:22:28.95 10.0 positive automatic P 81 9.0516 2.18923 0.941176
OE.ARSA.BHZ. 2023-03-21T00:22:26.97 10.0 positive automatic P 336 9.2153 -1.02067 0.952381
MN.VSL.BHZ. 2023-03-21T00:22:26.22 10.0 positive automatic P 277 9.1035 0.0102506 0.952381
GE.PSZ.BHZ. 2023-03-21T00:22:25.40 10.0 positive automatic P 355 8.9781 0.881801 0.930233
IV.BRIS.HHZ. 2023-03-21T00:22:21.50 10.0 positive automatic P 310 8.7313 0.00128854 0.858369
KO.MDUB.HHZ. 2023-03-21T00:22:11.77 10.0 positive automatic P 76 7.8853 1.72814 0.943396
IV.MGAB.BHZ. 2023-03-21T00:22:10.50 10.0 positive automatic P 303 7.8513 0.356425 0.930233
GE.TIRR.BHZ. 2023-03-21T00:22:08.25 10.0 positive automatic P 42 7.7122 0.73292 0.97561
GE.ISP.BHZ.00 2023-03-21T00:22:06.85 10.0 positive automatic P 96 7.4392 2.07682 0.930233
HU.KOVH.BHZ. 2023-03-21T00:22:02.75 10.0 positive automatic P 344 7.4434 -1.0921 0.97561
IV.LNSS.BHZ. 2023-03-21T00:22:00.30 10.0 positive automatic P 303 7.1038 0.965556 0.930236
MN.AQU.BHZ. 2023-03-21T00:21:55.97 10.0 positive automatic P 302 6.7501 0.539695 0.97561
MN.BZS.BHZ. 2023-03-21T00:21:52.42 10.0 positive automatic P 3 6.6456 -0.462783 0.30303
HL.ARG.HHZ. 2023-03-21T00:21:49.32 10.0 positive automatic P 114 6.1960 1.86343 0.956938
MN.BLY.BHZ. 2023-03-21T00:21:49.77 10.0 positive automatic P 334 6.4658 -0.268042 0.909091
ML.MSDA.BHZ. 2023-03-21T00:21:44.40 10.0 positive automatic P 242 6.1032 -1.00977 0.952381
MN.WDD.BHZ. 2023-03-21T00:21:44.92 10.0 positive automatic P 241 6.1102 0.569641 0.97561
IV.GIB.BHZ. 2023-03-21T00:21:38.00 10.0 positive automatic P 262 5.6410 -0.226365 0.952381
MN.DIVS.BHZ. 2023-03-21T00:21:33.07 10.0 positive automatic P 351 5.1834 0.69282 1.67322
IV.SGTA.HHZ. 2023-03-21T00:21:28.53 10.0 positive automatic P 298 4.9019 -0.515345 1.05938
KO.DKL.HHZ. 2023-03-21T00:21:23.87 10.0 positive automatic P 87 4.4924 0.599162 0.888889
MN.CUC.BHZ. 2023-03-21T00:21:20.82 10.0 positive automatic P 286 4.2173 1.22333 1.6808
KO.ENEZ.HHZ. 2023-03-21T00:21:19.15 10.0 positive automatic P 64 4.2395 -0.658272 1.10159
HT.ALN.HHZ. 2023-03-21T00:21:18.59 10.0 positive automatic P 62 4.2330 -0.992182 1.59215
HL.RDO.HHZ. 2023-03-21T00:21:15.76 10.0 positive automatic P 56 4.0088 -0.536943 1.32105
GE.MATE.BHZ. 2023-03-21T00:21:13.25 10.0 positive automatic P 298 3.7791 0.190436 0.606061
MN.PDG.BHZ. 2023-03-21T00:21:12.97 10.0 positive automatic P 338 3.7231 0.181475 1.56146
IV.SERS.HHZ. 2023-03-21T00:21:08.99 10.0 positive automatic P 272 3.4451 -0.0914819 1.42831
IV.SCTE.HHZ. 2023-03-21T00:20:53.81 10.0 positive automatic Pg 299 2.3188 0.394226 1.87421
AC.VLO.HHZ. 2023-03-21T00:20:49.75 10.0 positive automatic Pg 320 1.9414 1.53752 0.966184
HL.ITM.HHZ. 2023-03-21T00:20:47.18 10.0 positive automatic Pg 160 1.9125 -0.67778 2.45321
HT.LIT.HHZ. 2023-03-21T00:20:40.65 10.0 positive automatic P 43 1.5361 -1.97492 1.97044
AC.SRN.HHZ. 2023-03-21T00:20:38.52 10.0 positive automatic P 316 1.2464 -0.130063 1.87793
MN.KEK.BHZ. 2023-03-21T00:20:37.90 10.0 positive automatic Pg 306 1.2580 -0.949194 2.57108
HT.AGG.HHZ. 2023-03-21T00:20:31.42 10.0 positive automatic P 87 0.9439 -2.92431 1.98769
HL.VLS.HHZ. 2023-03-21T00:20:30.94 10.0 positive automatic P 208 0.9085 -3.13053 1.2945
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