Earthquake with magnitude of mb 5.1 on date 04-03-2021 and time 20:23:54 (Italy) in region Greece

A magnitude mb 5.1 earthquake occured in region: Greece, on

  • 04-03-2021 19:23:54 (UTC)
  • 04-03-2021 20:23:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8550, 21.8870 at 20 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 5.1 2021-03-04
19:23:54
39.8549 21.8872 20 2021-03-04
19:41:19
Sala Sismica INGV-Roma 87733051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-04 19:23:54
Latitude 39.8549
Longitude 21.8872
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 87733051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4044
Semi-minor axis of confidence ellipse (meter) 2055
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 3524.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43.6516
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 72
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.29179
Epicentral distance of station closest to the epicenter (degree) 0.90291
Epicentral distance of station farthest from the epicenter (degree) 58.75701
Number of stations at which the event was observed 69
Number of stations from which data was used for origin computation 69
Magnitude information

mb:5.1

Field Value
Value 5.1
Uncertainty 0.2
Num. used stations 51
Type of magnitude mb
Reference to an origin 87733051
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-03-04 19:41:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.ULN.BHZ.00 2021-03-04T19:33:50.77 10.0 positive automatic P 51 58.7570 -0.14962 0.383582
IU.TIXI.BHZ.00 2021-03-04T19:33:42.12 10.0 negative automatic P 21 57.4793 0.415762 0.437702
IO.EVN.BHZ. 2021-03-04T19:33:16.60 10.0 negative automatic P 81 53.9947 -0.956797 0
II.ALE.BHZ.00 2021-03-04T19:32:45.42 10.0 positive automatic P 350 49.8003 -0.0137696 0.544215
HL.ITM.HHZ. 2021-03-04T19:24:36.81 10.0 negative automatic P 179 2.6762 0.725892 0.980392
GE.SUMG.BHZ. 2021-03-04T19:31:57.50 10.0 positive automatic P 338 43.5155 0.758695 0.680902
GE.KMBO.BHZ.00 2021-03-04T19:31:53.82 10.0 positive automatic P 157 43.3221 -1.14248 0.66855
IU.MAKZ.BHZ.00 2021-03-04T19:31:53.22 10.0 negative automatic P 60 43.1772 -0.338232 0.641334
II.MBAR.BHZ.00 2021-03-04T19:31:36.07 10.0 positive automatic P 167 41.2556 -1.96415 0.706319
II.NIL.BHZ.00 2021-03-04T19:31:36.52 10.0 negative automatic P 82 41.0644 0.188745 0.726769
GE.DAG.BHZ. 2021-03-04T19:31:33.08 10.0 positive automatic P 347 40.7681 -0.705354 0.715381
GT.DBIC.BHZ.00 2021-03-04T19:31:33.70 10.0 positive automatic P 223 40.9425 -1.53819 0.737872
II.KURK.BHZ.00 2021-03-04T19:31:29.47 10.0 negative automatic P 55 40.2999 -0.469662 0.724137
DK.DBG.BHZ.00 2021-03-04T19:31:23.80 10.0 positive automatic P 343 39.5540 0.0888703 0.705391
II.AAK.BHZ.00 2021-03-04T19:31:19.82 10.0 positive automatic P 68 39.0083 0.381548 0.731558
DK.SCO.BHZ. 2021-03-04T19:31:10.15 10.0 negative automatic P 338 37.9058 0.252197 0.735538
II.UOSS.BHZ.00 2021-03-04T19:30:20.22 10.0 negative automatic P 107 32.3083 -1.48779 0.902822
II.ARTI.BHZ.00 2021-03-04T19:29:50.67 10.0 negative automatic P 43 28.9166 -1.1056 0.909091
II.RAYN.BHZ.00 2021-03-04T19:29:23.32 10.0 negative automatic P 122 25.7490 -0.0879779 0.941176
GB.LRW.BHZ. 2021-03-04T19:29:13.58 10.0 negative automatic P 332 24.8441 -1.51636 0.917431
PM.PVAQ.BHZ. 2021-03-04T19:28:58.16 10.0 negative automatic P 273 23.1493 -1.01834 0.869565
II.ESK.BHZ.00 2021-03-04T19:28:52.72 10.0 positive automatic P 321 22.6924 -1.63314 0.816327
GE.MTE.BHZ. 2021-03-04T19:28:52.60 10.0 positive automatic P 281 22.4048 1.19198 0.930233
G.TAM.BHZ.00 2021-03-04T19:28:47.95 10.0 positive automatic P 224 21.9767 1.00421 0.909091
IU.KONO.BHZ.00 2021-03-04T19:28:36.97 10.0 positive automatic P 343 21.2461 -1.92621 0.909091
IU.PAB.BHZ.00 2021-03-04T19:28:27.32 10.0 positive automatic P 278 20.1155 0.53602 0.869565
RD.ROSF.BHZ. 2021-03-04T19:28:23.58 10.0 positive automatic P 304 19.8391 -0.0716344 0.917431
GE.VSU.BHZ. 2021-03-04T19:28:12.15 10.0 positive automatic P 8 18.8625 -0.792841 0.816327
II.OBN.BHZ.00 2021-03-04T19:28:03.57 10.0 negative automatic P 28 18.1187 -0.946617 0.930233
IU.GNI.BHZ.00 2021-03-04T19:28:01.02 10.0 negative automatic P 82 17.4599 -2.28493 0
RD.MFF.BHZ. 2021-03-04T19:27:58.08 10.0 negative automatic P 300 17.3389 3.17836 0.925926
II.KIV.BHZ.00 2021-03-04T19:27:41.92 10.0 negative automatic P 68 15.9651 -4.71636 0
RD.LOR.BHZ. 2021-03-04T19:27:24.12 10.0 negative automatic P 306 14.9682 -0.419728 0.925926
GE.WLF.BHZ. 2021-03-04T19:27:24.55 10.0 positive automatic P 317 14.8135 2.13979 0.952381
GE.EIL.BHZ. 2021-03-04T19:27:22.65 10.0 positive automatic P 130 14.7645 0.921052 0.952381
GE.MSBI.BHZ. 2021-03-04T19:27:08.50 10.0 positive automatic P 124 13.8644 -0.878002 0.909091
IS.AMAZ.BHZ. 2021-03-04T19:27:04.61 10.0 positive automatic P 124 13.4362 0.967671 0.97561
G.ECH.BHZ.00 2021-03-04T19:27:01.95 10.0 negative automatic P 313 13.4518 -1.93868 0.869565
II.BFO.BHZ.00 2021-03-04T19:26:53.82 10.0 negative automatic P 316 12.8746 -2.18739 0.930233
OE.DAVA.BHZ. 2021-03-04T19:26:36.02 10.0 positive automatic P 315 11.4180 -0.246571 0.869565
MN.TUE.BHZ. 2021-03-04T19:26:33.10 10.0 positive automatic P 310 11.2669 -1.16658 0.97561
CZ.KHC.BHZ. 2021-03-04T19:26:29.65 10.0 positive automatic P 330 10.9925 -0.64004 0.930233
KO.BNN.BHZ. 2021-03-04T19:26:28.68 10.0 positive automatic P 91 10.8294 0.507098 0.892857
PL.OJC.BHZ. 2021-03-04T19:26:24.66 10.0 positive automatic P 353 10.4675 1.60583 0.869565
GE.MORC.BHZ. 2021-03-04T19:26:22.40 10.0 positive automatic P 344 10.3842 0.426778 0.930233
RD.PGF.BHZ. 2021-03-04T19:26:18.50 10.0 positive automatic P 290 10.0521 1.0111 0.943396
PL.KWP.BHZ. 2021-03-04T19:26:16.71 10.0 positive automatic P 3 9.7933 2.88562 0.434783
OE.KBA.BHZ. 2021-03-04T19:26:09.37 10.0 positive automatic P 322 9.5073 -0.758218 0.909091
KO.BZK.BHZ. 2021-03-04T19:26:08.36 10.0 negative automatic P 73 9.3868 0.152815 0.961538
OE.ARSA.BHZ. 2021-03-04T19:25:58.52 10.0 positive automatic P 330 8.7087 -0.459759 0.930233
IU.ANTO.BHZ.00 2021-03-04T19:25:57.72 10.0 positive automatic P 86 8.3660 3.35011 0.963855
GE.PSZ.BHZ. 2021-03-04T19:25:52.25 10.0 positive automatic P 351 8.1893 0.329443 0.888889
IV.MGAB.BHZ. 2021-03-04T19:25:48.55 10.0 positive automatic P 296 7.9395 0.119471 0.930233
KO.MDUB.BHZ. 2021-03-04T19:25:40.18 10.0 positive automatic P 82 7.1382 2.65615 0.970874
MN.AQU.BHZ. 2021-03-04T19:25:34.62 10.0 positive automatic P 294 6.8585 1.00656 0.869565
HU.KOVH.BHZ. 2021-03-04T19:25:32.20 10.0 negative automatic P 337 6.8192 -0.804707 0.851064
GE.TIRR.BHZ. 2021-03-04T19:25:31.43 10.0 positive automatic P 44 6.6733 0.46124 0.909091
GE.KARP.BHZ. 2021-03-04T19:25:22.23 10.0 positive automatic P 134 5.9948 0.506274 0.97561
MN.BLY.BHZ. 2021-03-04T19:25:21.97 10.0 negative automatic P 326 6.0016 0.204029 0.930233
MN.BZS.BHZ. 2021-03-04T19:25:17.62 10.0 positive automatic P 358 5.7665 -0.921979 0.952381
MN.CEL.BHZ. 2021-03-04T19:25:07.02 10.0 positive automatic P 253 4.9180 0.0628373 0.930233
MN.CUC.BHZ. 2021-03-04T19:25:05.17 10.0 negative automatic P 274 4.6573 1.80623 0.930233
KO.BALB.HHZ. 2021-03-04T19:25:01.96 10.0 negative automatic P 91 4.6116 -0.68813 0.943396
MN.TIP.BHZ. 2021-03-04T19:24:54.67 10.0 negative automatic P 262 4.0131 0.136298 0.952381
GE.MATE.BHZ. 2021-03-04T19:24:54.90 10.0 positive automatic P 283 4.0337 0.130658 0.930233
KO.DKL.BHZ. 2021-03-04T19:24:53.18 10.0 positive automatic P 100 3.9518 -0.3793 0.892857
GE.APE.BHZ. 2021-03-04T19:24:52.69 10.0 positive automatic P 133 3.9867 -1.45565 0.952381
MN.PDG.BHZ. 2021-03-04T19:24:45.07 10.0 negative automatic P 323 3.2463 1.2066 0.952381
HT.AGG.HHZ. 2021-03-04T19:24:07.65 10.0 positive automatic P 157 0.9029 -3.48065 0.314465
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