Earthquake with magnitude of mb 5.1 on date 18-12-2021 and time 06:16:39 (Italy) in region Southern Greece [Sea: Greece]

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

  • 18-12-2021 05:16:39 (UTC)
  • 18-12-2021 06:16:39 (UTC +01:00) Italian time
  • 18-12-2021 07:16:39 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 36.1350, 23.0520 at 55 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
Mwp 4.8
2021-12-18
05:16:39
36.1354 23.0515 55 2021-12-18
05:29:47
Sala Sismica INGV-Roma 98644311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-18 05:16:39
Latitude 36.1354
Longitude 23.0515
Depth (km) 55 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 98644311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3625
Semi-minor axis of confidence ellipse (meter) 2287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 3463.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110.784
Number of associated phases, regardless of their use for origin computation 78
Number of defining phases 78
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.43909
Epicentral distance of station closest to the epicenter (degree) 1.38013
Epicentral distance of station farthest from the epicenter (degree) 60.39894
Number of stations at which the event was observed 76
Number of stations from which data was used for origin computation 76
Magnitudes information

Mwp:4.8

Field Value
Value 4.8
Uncertainty 0.1
Num. used stations 7
Type of magnitude Mwp
Reference to an origin 98644311
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-18 05:29:47

mb:5.1

Field Value
Value 5.1
Uncertainty 0.2
Num. used stations 62
Type of magnitude mb
Reference to an origin 98644311
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-18 05:29:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.ULN.BHZ.00 2021-12-18T05:26:42.92 10.0 positive automatic P 50 60.3989 -0.362799 0
GE.SUMG.BHZ. 2021-12-18T05:25:10.35 10.0 positive automatic P 339 47.3114 2.31241 0.598568
GE.DAG.BHZ. 2021-12-18T05:24:46.67 10.0 positive automatic P 347 44.5982 0.538079 0.603627
IU.MAKZ.BHZ.00 2021-12-18T05:24:43.10 10.0 positive automatic P 57 44.3350 -1.03229 0
GE.KBS.BHZ.00 2021-12-18T05:24:34.02 10.0 positive automatic P 357 43.0330 0.4439 0.673768
II.KURK.BHZ.00 2021-12-18T05:24:22.20 10.0 positive automatic P 52 41.7905 -1.30611 0.704635
II.AAK.BHZ.00 2021-12-18T05:24:05.87 10.0 positive automatic P 64 39.6663 -0.378703 0.753596
GT.DBIC.BHZ.00 2021-12-18T05:23:59.03 10.0 positive automatic P 228 38.9785 -1.23344 0.776215
II.SIMI.BHZ.00 2021-12-18T05:23:36.32 10.0 positive automatic P 72 36.2131 -0.553539 0.784589
II.ARTI.BHZ.00 2021-12-18T05:22:50.57 10.0 positive automatic P 38 31.1476 -2.37495 0.906015
GE.DSB.BHZ. 2021-12-18T05:22:13.95 10.0 positive automatic P 319 26.6966 0.56484 0.888889
II.ESK.BHZ.00 2021-12-18T05:22:09.32 10.0 negative automatic P 325 26.2238 0.194524 0.909091
LX.MESJ.BHZ. 2021-12-18T05:21:58.24 10.0 positive automatic P 283 24.9191 0.938991 0.952381
IU.KONO.BHZ.00 2021-12-18T05:21:58.17 10.0 positive automatic P 344 25.0722 -0.518694 0.952381
PM.PVAQ.BHZ. 2021-12-18T05:21:54.69 10.0 positive automatic P 282 24.5697 0.562479 0.909091
GE.MTE.BHZ. 2021-12-18T05:21:52.15 10.0 positive automatic P 289 24.2707 0.64713 0.888889
PM.PESTR.BHZ. 2021-12-18T05:21:52.16 10.0 negative automatic P 286 24.3463 0.0361369 0.909091
GB.MCH1.BHZ. 2021-12-18T05:21:51.78 10.0 positive automatic P 319 24.2982 0.129311 0.961538
IV.PTCC.BHZ. 2021-12-18T05:21:48.45 10.0 negative automatic S 328 12.5737 -5.41604 0
II.RAYN.BHZ.00 2021-12-18T05:21:39.92 10.0 positive automatic P 117 23.1112 -0.835729 0.952381
RD.ROSF.BHZ. 2021-12-18T05:21:37.86 10.0 negative automatic P 311 22.8181 0.25094 0.961538
DK.MUD.BHZ.00 2021-12-18T05:21:35.25 10.0 positive automatic P 340 22.3696 2.4221 0.930233
GB.JSA.BHZ. 2021-12-18T05:21:34.40 10.0 negative automatic P 313 22.5056 0.120626 0.952381
GE.VSU.BHZ. 2021-12-18T05:21:31.25 10.0 negative automatic P 5 22.4569 -2.5174 0.869565
IU.PAB.BHZ.00 2021-12-18T05:21:27.57 10.0 positive automatic P 287 21.8190 0.429926 0.952381
GE.SLIT.BHZ. 2021-12-18T05:21:21.25 10.0 positive automatic P 359 21.4984 -2.3035 0.952381
II.OBN.BHZ.00 2021-12-18T05:21:18.87 10.0 positive automatic P 22 21.1165 -0.613227 0.909091
RD.MFF.BHZ. 2021-12-18T05:21:10.24 10.0 negative automatic P 308 20.1980 0.651689 0.970874
GE.IBBN.BHZ. 2021-12-18T05:21:03.20 10.0 negative automatic P 331 19.4460 1.81053 0.952381
GE.WLF.BHZ. 2021-12-18T05:20:49.95 10.0 positive automatic P 323 18.2531 1.60233 0.909091
RD.LOR.BHZ. 2021-12-18T05:20:45.26 10.0 negative automatic P 314 18.0612 -1.0157 0.961538
PL.SUW.BHZ. 2021-12-18T05:20:42.56 10.0 positive automatic P 0 17.8766 -1.55276 0.833333
IU.GNI.BHZ.00 2021-12-18T05:20:41.37 10.0 positive automatic P 70 17.4754 1.87998 0.952381
RD.MTLF.BHZ. 2021-12-18T05:20:39.88 10.0 positive automatic P 301 17.5031 0.265407 0.925926
II.KIV.BHZ.00 2021-12-18T05:20:32.97 10.0 negative automatic P 56 16.8833 0.897016 0.952381
G.ECH.BHZ.00 2021-12-18T05:20:31.95 10.0 negative automatic P 321 16.8064 0.920709 0.952381
G.SSB.BHZ.00 2021-12-18T05:20:28.75 10.0 negative automatic P 309 16.6847 -0.78786 0.909091
II.BFO.BHZ.00 2021-12-18T05:20:24.72 10.0 positive automatic P 323 16.2988 0.033893 0.740741
IU.GRFO.BHZ.00 2021-12-18T05:20:24.65 10.0 positive automatic P 331 16.0445 3.20281 0.952381
GE.STU.BHZ. 2021-12-18T05:20:24.45 10.0 negative automatic P 326 16.2006 1.0357 0.869565
MN.BNI.BHZ. 2021-12-18T05:20:11.90 10.0 negative automatic P 311 15.2519 0.405245 0.930233
IU.KIEV.BHZ.00 2021-12-18T05:20:08.12 10.0 positive automatic P 15 15.2261 -2.82686 0.769231
OE.DAVA.BHZ. 2021-12-18T05:20:07.47 10.0 positive automatic P 323 14.8251 1.48231 0.930233
CZ.KHC.BHZ. 2021-12-18T05:20:02.60 10.0 negative automatic P 335 14.7191 -1.84611 0.930233
GE.MORC.BHZ. 2021-12-18T05:19:59.00 10.0 positive automatic P 345 14.2140 1.1757 0.952381
IV.BOB.BHZ. 2021-12-18T05:19:48.15 10.0 positive automatic P 314 13.4464 0.601593 0.930233
IV.SALO.BHZ. 2021-12-18T05:19:45.65 10.0 positive automatic P 319 13.3720 -0.830538 0.952381
OE.KBA.BHZ. 2021-12-18T05:19:41.92 10.0 positive automatic P 330 13.1079 -1.14781 0.97561
RD.PGF.BHZ. 2021-12-18T05:19:36.12 10.0 positive automatic P 305 12.5938 0.161014 0.943396
IV.PTCC.BHZ. 2021-12-18T05:19:33.50 10.0 negative automatic P 328 12.5737 -2.11619 0.952381
OE.ARSA.BHZ. 2021-12-18T05:19:31.92 10.0 negative automatic P 336 12.4411 -1.86205 0.909091
GE.MATE.BHZ. 2021-12-18T05:19:28.25 10.0 negative automatic S 314 6.7135 -2.08634 0
GE.PSZ.BHZ. 2021-12-18T05:19:27.20 10.0 positive automatic P 350 12.0108 -0.780273 0.952381
MN.VSL.BHZ. 2021-12-18T05:19:16.52 10.0 positive automatic P 291 11.2987 -1.63864 0.930233
IV.MGAB.BHZ. 2021-12-18T05:19:11.00 10.0 positive automatic P 312 10.8066 0.528367 0.930233
HU.KOVH.BHZ. 2021-12-18T05:19:06.20 10.0 positive automatic P 341 10.6231 -2.71489 0.930233
MN.AQU.BHZ. 2021-12-18T05:18:58.17 10.0 negative automatic P 313 9.7087 1.68227 0.952381
MN.BLY.BHZ. 2021-12-18T05:18:54.62 10.0 positive automatic P 334 9.6953 -1.60655 0.952381
MN.BZS.BHZ. 2021-12-18T05:18:53.62 10.0 positive automatic P 354 9.5424 -0.518147 0.930233
GE.TIRR.BHZ. 2021-12-18T05:18:50.84 10.0 positive automatic P 24 9.2673 0.49305 0.909091
IU.ANTO.BHZ.00 2021-12-18T05:18:43.22 10.0 positive automatic P 61 8.5289 2.80411 0.888889
KO.MDUB.BHZ. 2021-12-18T05:18:31.90 10.0 negative automatic P 53 7.7187 2.57293 0.952381
MN.PDG.BHZ. 2021-12-18T05:18:17.67 10.0 positive automatic P 336 6.9424 -0.841464 0.888889
MN.WDD.BHZ. 2021-12-18T05:18:16.57 10.0 negative automatic P 270 6.9038 -1.41647 0.909091
GE.MATE.BHZ. 2021-12-18T05:18:14.80 10.0 positive automatic P 314 6.7135 -0.660619 0.952381
GE.ISP.BHZ.00 2021-12-18T05:18:10.00 10.0 positive automatic P 72 6.1946 1.55368 0.869565
MN.TIP.BHZ. 2021-12-18T05:18:02.97 10.0 negative automatic P 303 5.8361 -0.511464 0.97561
KO.ELL.BHZ. 2021-12-18T05:18:00.02 10.0 positive automatic P 82 5.5487 0.400552 0.892857
HL.RDO.HHZ. 2021-12-18T05:17:57.18 10.0 positive automatic P 20 5.3714 0.181601 0.961538
KO.BALB.HHZ. 2021-12-18T05:17:54.53 10.0 positive automatic P 46 5.1755 0.214422 0.966184
HT.ALN.HHZ. 2021-12-18T05:17:53.79 10.0 positive automatic P 25 5.2950 -2.16181 0.97561
HL.KEK.HHZ. 2021-12-18T05:17:44.22 10.0 negative automatic P 325 4.4026 0.484456 0.956938
HT.LIT.HHZ. 2021-12-18T05:17:39.66 10.0 positive automatic P 354 3.9924 1.48302 0.917431
HL.ARG.HHZ. 2021-12-18T05:17:39.29 10.0 negative automatic P 87 4.0925 -0.18341 0.952381
GE.KARP.BHZ. 2021-12-18T05:17:28.23 10.0 positive automatic P 99 3.3825 -1.58616 0.97561
HT.AGG.HHZ. 2021-12-18T05:17:26.03 10.0 positive automatic P 349 2.9408 2.24999 0.921659
GE.APE.BHZ. 2021-12-18T05:17:12.90 10.0 positive automatic P 64 2.1981 -0.722814 0.97561
HL.ITM.HHZ. 2021-12-18T05:17:04.89 10.0 negative automatic P 319 1.3801 2.42536 0.980392
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