Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of mb 5.1 on date 17-02-2021 and time 04:36:09 (Italy) in region Greece [Sea]

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

  • 17-02-2021 03:36:09 (UTC)
  • 17-02-2021 04:36:09 (UTC +01:00) Italian time
  • 17-02-2021 05:36:09 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.3520, 21.9770 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.

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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
Mwp 5.6
Mwpd 5.9 		2021-02-17
03:36:09		 38.352 21.9771 10 2021-02-17
03:52:38		 Sala Sismica INGV-Roma 87227151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-17 03:36:09
Latitude 38.3520
Longitude 21.9771
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 87227151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3001
Semi-minor axis of confidence ellipse (meter) 2325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 3045.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67.3359
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.62516
Epicentral distance of station closest to the epicenter (degree) 0.72541
Epicentral distance of station farthest from the epicenter (degree) 33.06504
Number of stations at which the event was observed 61
Number of stations from which data was used for origin computation 61
Magnitudes information

Mwpd:5.9

Field Value
Value 5.9
Uncertainty 0.0
Num. used stations 3
Type of magnitude Mwpd
Reference to an origin 87227151
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-02-17 03:52:38

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 24
Type of magnitude Mwp
Reference to an origin 87227151
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-02-17 03:52:38

mb:5.1

Field Value
Value 5.1
Uncertainty 0.2
Num. used stations 41
Type of magnitude mb
Reference to an origin 87227151
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-02-17 03:52:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.FURI.BHZ.00 2021-02-17T03:42:46.52 10.0 negative automatic P 149 33.0650 1.73019 0
II.RAYN.BHZ.00 2021-02-17T03:41:31.72 10.0 positive automatic P 120 24.9153 -0.156613 0.91954
WM.AVE.BHZ. 2021-02-17T03:41:26.75 10.0 positive automatic P 267 24.2504 1.00419 0.930233
IS.KZIT.BHZ. 2021-02-17T03:41:26.31 10.0 positive automatic S 122 12.6252 -2.35523 0
II.ESK.BHZ.00 2021-02-17T03:41:21.22 10.0 negative automatic P 323 23.9245 -1.55262 0.930233
MN.TUE.BHZ. 2021-02-17T03:41:21.40 10.0 negative automatic S 315 12.3372 -0.713479 0
PM.PVAQ.BHZ. 2021-02-17T03:41:16.27 10.0 positive automatic P 277 23.3555 -1.04924 0.952381
PM.PESTR.BHZ. 2021-02-17T03:41:11.92 10.0 positive automatic P 281 23.0075 -1.7632 0.952381
GE.MTE.BHZ. 2021-02-17T03:41:10.05 10.0 positive automatic P 285 22.8043 -1.55847 0.952381
IU.KONO.BHZ.00 2021-02-17T03:41:08.47 10.0 positive automatic P 344 22.7051 -1.97915 0.97561
RD.ROSF.BHZ. 2021-02-17T03:40:49.74 10.0 positive automatic P 307 20.7639 0.0921971 0.869565
IU.PAB.BHZ.00 2021-02-17T03:40:45.62 10.0 positive automatic P 282 20.4356 -0.589291 0.930233
GE.VSU.BHZ. 2021-02-17T03:40:42.65 10.0 positive automatic P 7 20.3434 -2.40508 0.952381
DK.MUD.BHZ.00 2021-02-17T03:40:40.95 10.0 positive automatic P 339 19.9939 -0.291662 0.851064
RD.MFF.BHZ. 2021-02-17T03:40:22.44 10.0 positive automatic P 304 18.1971 1.09351 0.943396
IU.GNI.BHZ.00 2021-02-17T03:40:16.57 10.0 negative automatic P 77 17.6700 1.48941 0.615385
II.KIV.BHZ.00 2021-02-17T03:40:00.92 10.0 positive automatic P 64 16.5144 0.421737 0.909091
RD.LOR.BHZ. 2021-02-17T03:39:55.76 10.0 positive automatic P 310 15.9433 2.67863 0.980392
GE.WLF.BHZ. 2021-02-17T03:39:55.05 10.0 positive automatic P 320 15.9841 1.48038 0.43956
RD.MTLF.BHZ. 2021-02-17T03:39:51.94 10.0 positive automatic P 295 15.7125 1.88083 0.934579
GE.FLT1.BHZ. 2021-02-17T03:39:50.40 10.0 positive automatic P 335 15.8469 -1.36098 0.740741
PL.SUW.BHZ. 2021-02-17T03:39:48.58 10.0 positive automatic P 3 15.6814 -1.03474 0.43956
G.ECH.BHZ.00 2021-02-17T03:39:34.55 10.0 negative automatic P 317 14.5701 -0.325131 0.888889
II.BFO.BHZ.00 2021-02-17T03:39:30.02 10.0 negative automatic P 320 14.0331 2.46341 0.952381
GE.EIL.BHZ. 2021-02-17T03:39:22.85 10.0 positive automatic P 125 13.7965 -1.41064 0.97561
IU.KIEV.BHZ.00 2021-02-17T03:39:17.92 10.0 positive automatic P 20 13.3701 -0.516537 0.909091
OE.DAVA.BHZ. 2021-02-17T03:39:08.52 10.0 positive automatic P 319 12.5633 0.854305 0.869565
GE.SALP.BHZ. 2021-02-17T03:39:08.02 10.0 negative automatic P 116 12.4729 1.78942 0.952381
CZ.KHC.BHZ. 2021-02-17T03:39:06.95 10.0 positive automatic P 333 12.3512 2.34261 0.952381
IS.KZIT.BHZ. 2021-02-17T03:39:06.71 10.0 positive automatic P 122 12.6252 -1.56434 0.930233
MN.TUE.BHZ. 2021-02-17T03:39:03.87 10.0 positive automatic P 315 12.3372 -0.757252 0.97561
PL.OJC.BHZ. 2021-02-17T03:39:00.57 10.0 positive automatic P 353 11.9677 1.26131 0
GE.MORC.BHZ. 2021-02-17T03:38:58.55 10.0 positive automatic P 346 11.8546 0.72425 0.909091
IV.BOB.BHZ. 2021-02-17T03:38:52.15 10.0 negative automatic P 308 11.3395 1.33743 0.97561
PL.KWP.BHZ. 2021-02-17T03:38:52.83 10.0 positive automatic P 2 11.2910 2.76949 0.851064
RD.PGF.BHZ. 2021-02-17T03:38:45.44 10.0 positive automatic P 297 10.7150 3.13965 0.943396
OE.KBA.BHZ. 2021-02-17T03:38:41.77 10.0 positive automatic P 327 10.7729 -1.42552 0.909091
GE.PSZ.BHZ. 2021-02-17T03:38:27.40 10.0 positive automatic P 352 9.6850 -0.759972 0.833333
IV.MGAB.BHZ. 2021-02-17T03:38:15.95 10.0 positive automatic P 304 8.7571 0.579502 0.97561
HU.KOVH.BHZ. 2021-02-17T03:38:05.95 10.0 positive automatic P 341 8.2489 -2.40464 0.930233
GE.TIRR.BHZ. 2021-02-17T03:38:01.98 10.0 positive automatic P 36 7.7780 0.117972 0.615385
MN.AQU.BHZ. 2021-02-17T03:38:00.77 10.0 negative automatic P 304 7.6548 0.498191 0.952381
KO.MDUB.BHZ. 2021-02-17T03:37:57.72 10.0 positive automatic P 71 7.4280 0.488093 0.970874
MN.BZS.BHZ. 2021-02-17T03:37:54.57 10.0 positive automatic P 358 7.2708 -0.353105 0.97561
MN.BLY.BHZ. 2021-02-17T03:37:54.92 10.0 positive automatic P 332 7.3303 -0.820864 0.888889
MN.CLTB.BHZ. 2021-02-17T03:37:51.40 10.0 positive automatic P 266 6.9473 0.795598 0.909091
GE.ISP.BHZ.00 2021-02-17T03:37:49.25 10.0 positive automatic P 92 6.7311 1.58781 0.952381
KO.ELL.BHZ. 2021-02-17T03:37:47.56 10.0 negative automatic P 102 6.4868 3.23152 0.943396
MN.WDD.BHZ. 2021-02-17T03:37:43.02 10.0 positive automatic P 249 6.4518 -0.624437 0.769231
HL.ARG.HHZ. 2021-02-17T03:37:29.61 10.0 negative automatic P 112 5.3341 1.30067 0.980392
GE.KARP.BHZ. 2021-02-17T03:37:26.44 10.0 positive automatic P 123 5.0015 2.63783 0.930233
MN.CUC.BHZ. 2021-02-17T03:37:24.17 10.0 positive automatic P 291 5.0494 -0.308647 0.816327
KO.BALB.HHZ. 2021-02-17T03:37:20.30 10.0 positive automatic P 72 4.7638 -0.161314 0.865801
MN.CEL.BHZ. 2021-02-17T03:37:19.42 10.0 positive automatic P 271 4.7733 -1.27199 0.909091
GE.MATE.BHZ. 2021-02-17T03:37:17.75 10.0 positive automatic P 301 4.6707 -1.5049 0.30303
MN.PDG.BHZ. 2021-02-17T03:37:17.67 10.0 negative automatic P 334 4.5717 -0.142064 0.930233
MN.TIP.BHZ. 2021-02-17T03:37:10.87 10.0 positive automatic P 283 4.1516 -1.29384 0.888889
KO.DKL.BHZ. 2021-02-17T03:37:08.36 10.0 negative automatic P 78 3.9115 -0.370545 0.970874
GE.APE.BHZ. 2021-02-17T03:36:57.05 10.0 positive automatic P 113 3.0898 -0.48652 0.930233
HL.KEK.HHZ. 2021-02-17T03:36:44.36 10.0 positive automatic P 309 2.1727 -0.496174 0.990099
HT.LIT.HHZ. 2021-02-17T03:36:37.81 10.0 positive automatic P 13 1.7957 -1.92027 0.956938
HL.ITM.HHZ. 2021-02-17T03:36:27.49 10.0 positive automatic P 182 1.1739 -3.52685 0.980392
HT.AGG.HHZ. 2021-02-17T03:36:19.27 10.0 positive automatic P 23 0.7254 -3.42684 0.326797
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