Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of mb 5.5 on date 20-05-2020 and time 23:43:16 (UTC) in region Greece [Sea]

A magnitude mb 5.5 earthquake occured in region: Greece [Sea], on

  • 20-05-2020 23:43:16 (UTC)
  • 21-05-2020 01:43:16 (UTC +02:00) Italian time
  • 21-05-2020 02:43:16 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 35.2110, 20.2430 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 5.5
Mwp 5.6
Mwpd 5.8 		2020-05-20
23:43:16		 35.2107 20.2434 10 2020-05-20
23:53:53		 Sala Sismica INGV-Roma 79387341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-20 23:43:16
Latitude 35.2107
Longitude 20.2434
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 79387341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6536
Semi-minor axis of confidence ellipse (meter) 3368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 5276.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43.3612
Number of associated phases, regardless of their use for origin computation 115
Number of defining phases 115
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.3153
Epicentral distance of station closest to the epicenter (degree) 2.39040
Epicentral distance of station farthest from the epicenter (degree) 54.46910
Number of stations at which the event was observed 102
Number of stations from which data was used for origin computation 102
Magnitudes information

Mwpd:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 19
Type of magnitude Mwpd
Reference to an origin 79387341
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2020-05-20 23:53:53

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 70
Type of magnitude Mwp
Reference to an origin 79387341
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2020-05-20 23:53:53

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 83
Type of magnitude mb
Reference to an origin 79387341
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2020-05-20 23:53:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.VSU.BHZ. 2020-05-20T23:52:40.40 10.0 positive automatic S 8 23.6448 -0.99317 0
IU.TSUM.BHZ.00 2020-05-20T23:52:40.17 10.0 negative automatic P 183 54.4691 -3.46557 0.451227
DK.ILULI.BHZ. 2020-05-20T23:52:18.36 10.0 negative automatic P 334 50.8156 1.97615 0.101897
GE.SFJD.BHZ.00 2020-05-20T23:52:16.52 10.0 negative automatic P 331 50.5483 2.11242 0.571199
IU.LSZ.BHZ.00 2020-05-20T23:52:16.02 10.0 negative automatic P 170 51.0460 -2.29004 0.536564
II.BORK.BHZ.00 2020-05-20T23:50:43.95 10.0 positive automatic P 47 39.1032 0.719783 0.76454
G.IVI.BHZ.00 2020-05-20T23:52:08.05 10.0 negative automatic P 324 49.4508 2.02851 0.562634
DK.NRS.BHZ. 2020-05-20T23:51:58.10 10.0 positive automatic P 324 48.1242 2.2647 0.584786
GE.SUMG.BHZ. 2020-05-20T23:51:52.00 10.0 positive automatic P 340 47.3713 2.46473 0.583968
IU.MAKZ.BHZ.00 2020-05-20T23:51:46.55 10.0 positive automatic P 56 46.7468 1.33369 0.637908
GE.DAG.BHZ. 2020-05-20T23:51:33.28 10.0 negative automatic P 348 45.0231 1.77355 0.583917
GE.KBS.BHZ.00 2020-05-20T23:51:24.22 10.0 positive automatic P 358 43.8491 2.09655 0.616097
II.AAK.BHZ.00 2020-05-20T23:51:10.47 10.0 positive automatic P 63 42.1204 2.08097 0.724061
PL.SUW.BHZ. 2020-05-20T23:51:06.87 10.0 positive automatic S 5 18.9128 -1.74303 0
IU.KIEV.BHZ.00 2020-05-20T23:50:22.67 10.0 negative automatic S 20 16.7970 5.26864 0
GT.DBIC.BHZ.00 2020-05-20T23:50:20.73 10.0 positive automatic P 225 36.6915 -2.09448 0.812304
IU.KEV.BHZ.00 2020-05-20T23:50:07.22 10.0 negative automatic P 4 34.7423 1.12875 0.832152
II.LVZ.BHZ.00 2020-05-20T23:49:58.97 10.0 positive automatic P 10 33.6976 1.8524 0.873612
II.ARTI.BHZ.00 2020-05-20T23:49:52.62 10.0 positive automatic P 39 33.2889 -0.887369 0.861639
II.UOSS.BHZ.00 2020-05-20T23:49:46.67 10.0 positive automatic P 98 32.5608 -0.46372 0.876603
G.ATD.BHZ.00 2020-05-20T23:49:37.55 10.0 negative automatic P 134 31.3148 1.3154 0.90251
GE.VAL.BHZ. 2020-05-20T23:49:02.20 10.0 negative automatic P 317 27.3712 1.06411 0.930233
GE.DSB.BHZ. 2020-05-20T23:48:49.60 10.0 negative automatic P 322 25.9659 1.09838 0.952381
II.ESK.BHZ.00 2020-05-20T23:48:47.37 10.0 negative automatic P 329 25.7534 0.800954 0.888889
IU.KONO.BHZ.00 2020-05-20T23:48:43.42 10.0 positive automatic P 347 25.4034 0.0256254 0.888889
II.RAYN.BHZ.00 2020-05-20T23:48:38.90 10.0 positive automatic P 111 24.8186 0.749536 0.833333
OE.KBA.BHZ. 2020-05-20T23:48:38.37 10.0 negative automatic S 339 12.9415 -5.58884 0
LX.GGNV.BHZ. 2020-05-20T23:48:27.97 10.0 negative automatic P 287 23.6420 0.658083 0.8
GE.VSU.BHZ. 2020-05-20T23:48:26.30 10.0 positive automatic P 8 23.6448 -1.03878 0.930233
LX.MORF.BHZ. 2020-05-20T23:48:23.45 10.0 negative automatic P 284 23.3029 -0.529762 0.869565
WM.AVE.BHZ. 2020-05-20T23:48:20.60 10.0 negative automatic P 273 22.8648 1.30666 0.952381
LX.MESJ.BHZ. 2020-05-20T23:48:19.79 10.0 negative automatic P 285 22.9333 -0.234764 0.930233
II.OBN.BHZ.00 2020-05-20T23:48:18.17 10.0 positive automatic P 24 22.8633 -1.09659 0.888889
PM.PVAQ.BHZ. 2020-05-20T23:48:15.09 10.0 negative automatic P 284 22.5549 -0.919164 0.909091
PM.PESTR.BHZ. 2020-05-20T23:48:14.60 10.0 negative automatic P 288 22.4259 -0.0708141 0.952381
GE.MTE.BHZ. 2020-05-20T23:48:14.90 10.0 negative automatic P 292 22.4585 -0.188713 0.952381
GE.SLIT.BHZ. 2020-05-20T23:48:14.70 10.0 negative automatic P 3 22.4589 -0.254992 0.833333
RD.ROSF.BHZ. 2020-05-20T23:48:07.40 10.0 negative automatic P 314 21.7562 -0.089567 0.970874
WM.SFS.BHZ. 2020-05-20T23:48:04.55 10.0 negative automatic P 281 21.4101 0.815489 0.909091
GE.HLG.BHZ. 2020-05-20T23:47:58.85 10.0 negative automatic P 339 20.8378 1.28332 0.930233
DK.BSD.BHZ. 2020-05-20T23:47:51.31 10.0 negative automatic P 351 20.2395 0.231355 0.952381
GE.RGN.BHZ. 2020-05-20T23:47:49.30 10.0 negative automatic P 348 19.9251 1.65174 0.909091
IU.PAB.BHZ.00 2020-05-20T23:47:49.47 10.0 negative automatic P 290 19.9498 1.39578 0.952381
GE.IBBN.BHZ. 2020-05-20T23:47:42.15 10.0 positive automatic P 336 19.2640 1.70765 0.97561
II.KIV.BHZ.00 2020-05-20T23:47:41.72 10.0 positive automatic P 56 19.2944 0.792526 0.909091
RD.MFF.BHZ. 2020-05-20T23:47:39.34 10.0 negative automatic P 313 19.0674 1.03655 0.892857
PL.SUW.BHZ. 2020-05-20T23:47:37.04 10.0 negative automatic P 5 18.9128 0.453008 0.952381
G.CLF.BHZ.00 2020-05-20T23:47:31.25 10.0 negative automatic P 319 18.4862 -0.648448 0.869565
GE.FLT1.BHZ. 2020-05-20T23:47:30.90 10.0 positive automatic P 342 18.2791 1.42281 0.888889
GE.RUE.BHZ. 2020-05-20T23:47:24.65 10.0 negative automatic P 347 17.8649 0.273394 0.930233
GE.WLF.BHZ. 2020-05-20T23:47:23.60 10.0 negative automatic P 329 17.7415 0.707874 0.952381
G.TAM.BHZ.00 2020-05-20T23:47:21.75 10.0 positive automatic P 230 17.8432 -2.5907 0.851064
WM.CART.BHZ. 2020-05-20T23:47:15.92 10.0 negative automatic P 284 17.2258 -0.52064 0.930233
RD.LOR.BHZ. 2020-05-20T23:47:14.42 10.0 negative automatic P 320 17.1710 -1.4144 0.943396
PL.BEL.BHZ. 2020-05-20T23:47:09.41 10.0 negative automatic P 1 16.6302 0.437875 0.888889
IU.KIEV.BHZ.00 2020-05-20T23:47:08.57 10.0 positive automatic P 20 16.7970 -2.50935 0.930233
RD.MTLF.BHZ. 2020-05-20T23:47:02.08 10.0 negative automatic P 306 16.0985 -0.129822 0.980392
G.ECH.BHZ.00 2020-05-20T23:47:01.55 10.0 negative automatic P 327 16.2157 -2.198 0.909091
PL.KSP.BHZ. 2020-05-20T23:46:58.28 10.0 positive automatic P 351 15.8899 -1.23162 0.888889
GE.STU.BHZ. 2020-05-20T23:46:57.20 10.0 negative automatic P 332 15.8157 -1.35752 0.952381
II.BFO.BHZ.00 2020-05-20T23:46:56.42 10.0 negative automatic P 330 15.8034 -2.01231 0.833333
G.SSB.BHZ.00 2020-05-20T23:46:55.90 10.0 negative automatic P 315 15.6025 0.0604739 0.930233
PL.OJC.BHZ. 2020-05-20T23:46:46.75 10.0 negative automatic P 359 15.0115 -1.26274 0.930233
GE.MORC.BHZ. 2020-05-20T23:46:42.45 10.0 negative automatic P 353 14.6982 -1.3574 0.952381
CZ.KHC.BHZ. 2020-05-20T23:46:42.25 10.0 negative automatic P 343 14.7554 -2.33105 0.869565
PL.KWP.BHZ. 2020-05-20T23:46:41.95 10.0 negative automatic P 6 14.5322 0.457761 0.888889
MN.BNI.BHZ. 2020-05-20T23:46:39.30 10.0 positive automatic P 318 14.2606 1.34434 0.888889
OE.DAVA.BHZ. 2020-05-20T23:46:38.82 10.0 negative automatic P 330 14.3423 -0.281714 0.930233
MN.TUE.BHZ. 2020-05-20T23:46:31.80 10.0 negative automatic P 327 13.9268 -1.69618 0.91954
IV.MONC.BHZ. 2020-05-20T23:46:29.91 10.0 negative automatic P 320 13.6045 1.06619 0.851064
KO.BNN.BHZ. 2020-05-20T23:46:19.68 10.0 positive automatic P 69 12.9584 -0.497165 0.862069
OE.KBA.BHZ. 2020-05-20T23:46:18.67 10.0 negative automatic P 339 12.9415 -1.33634 0.930233
KO.BZK.BHZ. 2020-05-20T23:46:17.26 10.0 positive automatic P 54 12.6737 1.18594 0.961538
IV.BOB.BHZ. 2020-05-20T23:46:16.45 10.0 negative automatic P 322 12.6158 1.02806 0.909091
IV.SALO.BHZ. 2020-05-20T23:46:15.70 10.0 positive automatic P 328 12.7486 -1.4788 0.869565
GE.PSZ.BHZ. 2020-05-20T23:46:14.25 10.0 negative automatic P 359 12.7097 -2.45509 0.952381
OE.ARSA.BHZ. 2020-05-20T23:46:12.62 10.0 negative automatic P 345 12.5453 -1.77619 0.952381
IV.PTCC.BHZ. 2020-05-20T23:46:10.25 10.0 positive automatic P 337 12.3390 -1.34996 0.30303
HU.LTVH.BHZ. 2020-05-20T23:46:09.82 10.0 positive automatic P 5 12.2364 -0.277722 0.930233
MN.VLC.BHZ. 2020-05-20T23:46:03.87 10.0 negative automatic P 323 11.7129 0.863848 0.888889
RD.PGF.BHZ. 2020-05-20T23:46:00.44 10.0 negative automatic P 313 11.4035 1.56439 0.952381
GE.TIRR.BHZ. 2020-05-20T23:45:54.66 10.0 positive automatic P 32 11.1609 -0.715749 0.833333
GE.MATE.BHZ. 2020-05-20T23:45:54.30 10.0 positive automatic S 334 6.1112 -1.61496 0
HU.KOVH.BHZ. 2020-05-20T23:45:50.55 10.0 negative automatic P 352 10.9968 -2.61151 0.909091
KO.MDUB.BHZ. 2020-05-20T23:45:42.70 10.0 positive automatic P 55 10.1127 1.50251 0.806452
IV.MGAB.BHZ. 2020-05-20T23:45:39.87 10.0 positive automatic P 323 9.9482 1.01702 0.888889
MN.BLY.BHZ. 2020-05-20T23:45:36.27 10.0 negative automatic P 347 9.8195 -0.764316 0.930233
MN.VSL.BHZ. 2020-05-20T23:45:34.27 10.0 positive automatic P 300 9.6320 -0.214958 0.851064
MN.AQU.BHZ. 2020-05-20T23:45:25.67 10.0 negative automatic P 325 8.9059 1.08374 0.909091
GE.ISP.BHZ.00 2020-05-20T23:45:21.15 10.0 positive automatic P 69 8.6533 -0.0426107 0.952381
KO.ELL.BHZ. 2020-05-20T23:45:11.02 10.0 positive automatic P 76 7.9669 -0.779596 0.970874
KO.BALB.HHZ. 2020-05-20T23:45:05.72 10.0 positive automatic P 52 7.5048 0.452635 0.970874
MN.PDG.BHZ. 2020-05-20T23:45:01.02 10.0 negative automatic P 354 7.2590 -0.856315 0.97561
HL.RDO.HHZ. 2020-05-20T23:45:01.90 10.0 positive automatic P 33 7.2435 0.222418 0.961538
IV.MRVN.BHZ. 2020-05-20T23:44:53.15 10.0 negative automatic P 333 6.6580 -0.581761 0.952381
KO.DKL.BHZ. 2020-05-20T23:44:52.26 10.0 positive automatic P 52 6.5621 -0.0476438 0.943396
HL.ARG.HHZ. 2020-05-20T23:44:49.72 10.0 positive automatic P 79 6.4724 -1.37815 0.66335
MN.CLTB.BHZ. 2020-05-20T23:44:47.20 10.0 negative automatic P 295 6.1297 0.66426 0.952381
GE.MATE.BHZ. 2020-05-20T23:44:45.75 10.0 negative automatic P 334 6.1112 -0.453976 0.97561
GE.KARP.BHZ. 2020-05-20T23:44:38.05 10.0 positive automatic P 85 5.6489 -1.80469 0.930233
MN.TIP.BHZ. 2020-05-20T23:44:28.62 10.0 negative automatic P 326 4.8421 -0.187447 0.909091
MN.WDD.BHZ. 2020-05-20T23:44:26.62 10.0 negative automatic P 279 4.6958 -0.0496932 0.869565
MN.CEL.BHZ. 2020-05-20T23:44:26.52 10.0 negative automatic P 312 4.6302 0.635784 0.952381
GE.APE.BHZ. 2020-05-20T23:44:25.75 10.0 positive automatic P 65 4.6555 -0.471729 0.952381
HL.KEK.HHZ. 2020-05-20T23:44:23.77 10.0 positive automatic P 356 4.5157 -0.455469 0.865801
HT.AGG.HHZ. 2020-05-20T23:44:21.91 10.0 positive automatic P 23 4.1592 2.51664 0.995025
HL.ITM.HHZ. 2020-05-20T23:43:56.83 10.0 positive automatic P 34 2.3904 1.79125 0.990099
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
Waveforms Seismic signals in miniseed + resp format Download