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

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

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

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(km) Takeoff_angle Residual Weight
GE.VSU.BHZ. 2020-05-20T23:52:40.40 10.0 positive automatic S 8 2624.5728 -0.99317 0
IU.TSUM.BHZ.00 2020-05-20T23:52:40.22 10.0 negative automatic P 183 6046.0701 -3.41557 0
DK.ILULI.BHZ. 2020-05-20T23:52:18.36 10.0 negative automatic P 334 5640.5316 1.97615 0.101897
GE.SFJD.BHZ.00 2020-05-20T23:52:16.52 10.0 negative automatic P 331 5610.8613 2.11242 0.571199
IU.LSZ.BHZ.00 2020-05-20T23:52:16.02 10.0 negative automatic P 170 5666.106 -2.29004 0.536564
II.BORK.BHZ.00 2020-05-20T23:50:43.95 10.0 positive automatic P 47 4340.4552 0.719783 0.76454
G.IVI.BHZ.00 2020-05-20T23:52:08.05 10.0 negative automatic P 324 5489.0388 2.02851 0.562634
DK.NRS.BHZ. 2020-05-20T23:51:58.10 10.0 positive automatic P 324 5341.7862 2.2647 0.584786
GE.SUMG.BHZ. 2020-05-20T23:51:52.00 10.0 positive automatic P 340 5258.2143 2.46473 0.583968
IU.MAKZ.BHZ.00 2020-05-20T23:51:46.55 10.0 positive automatic P 56 5188.8948 1.33369 0.637908
GE.DAG.BHZ. 2020-05-20T23:51:33.28 10.0 negative automatic P 348 4997.5641 1.77355 0.583917
GE.KBS.BHZ.00 2020-05-20T23:51:24.22 10.0 positive automatic P 358 4867.2501 2.09655 0.616097
II.AAK.BHZ.00 2020-05-20T23:51:10.47 10.0 positive automatic P 63 4675.3644 2.08097 0.724061
PL.SUW.BHZ. 2020-05-20T23:51:06.87 10.0 positive automatic S 5 2099.3208 -1.74303 0
IU.KIEV.BHZ.00 2020-05-20T23:50:22.67 10.0 negative automatic S 20 1864.467 5.26864 0
GT.DBIC.BHZ.00 2020-05-20T23:50:20.73 10.0 positive automatic P 225 4072.7565 -2.09448 0.812304
IU.KEV.BHZ.00 2020-05-20T23:50:07.22 10.0 negative automatic P 4 3856.3953 1.12875 0.832152
II.LVZ.BHZ.00 2020-05-20T23:49:58.97 10.0 positive automatic P 10 3740.4336 1.8524 0.873612
II.ARTI.BHZ.00 2020-05-20T23:49:52.62 10.0 positive automatic P 39 3695.0679 -0.887369 0.861639
II.UOSS.BHZ.00 2020-05-20T23:49:46.67 10.0 positive automatic P 98 3614.2488 -0.46372 0.876603
G.ATD.BHZ.00 2020-05-20T23:49:37.55 10.0 negative automatic P 134 3475.9428 1.3154 0.90251
GE.VAL.BHZ. 2020-05-20T23:49:02.20 10.0 negative automatic P 317 3038.2032 1.06411 0.930233
GE.DSB.BHZ. 2020-05-20T23:48:49.60 10.0 negative automatic P 322 2882.2149 1.09838 0.952381
II.ESK.BHZ.00 2020-05-20T23:48:47.37 10.0 negative automatic P 329 2858.6274 0.800954 0.888889
IU.KONO.BHZ.00 2020-05-20T23:48:43.42 10.0 positive automatic P 347 2819.7774 0.0256254 0.888889
II.RAYN.BHZ.00 2020-05-20T23:48:38.90 10.0 positive automatic P 111 2754.8646 0.749536 0.833333
OE.KBA.BHZ. 2020-05-20T23:48:38.37 10.0 negative automatic S 339 1436.5065 -5.58884 0
LX.GGNV.BHZ. 2020-05-20T23:48:27.97 10.0 negative automatic P 287 2624.262 0.658083 0.8
GE.VSU.BHZ. 2020-05-20T23:48:26.30 10.0 positive automatic P 8 2624.5728 -1.03878 0.930233
LX.MORF.BHZ. 2020-05-20T23:48:23.45 10.0 negative automatic P 284 2586.6219 -0.529762 0.869565
WM.AVE.BHZ. 2020-05-20T23:48:20.60 10.0 negative automatic P 273 2537.9928 1.30666 0.952381
LX.MESJ.BHZ. 2020-05-20T23:48:19.79 10.0 negative automatic P 285 2545.5963 -0.234764 0.930233
II.OBN.BHZ.00 2020-05-20T23:48:18.17 10.0 positive automatic P 24 2537.8263 -1.09659 0.888889
PM.PVAQ.BHZ. 2020-05-20T23:48:15.09 10.0 negative automatic P 284 2503.5939 -0.919164 0.909091
PM.PESTR.BHZ. 2020-05-20T23:48:14.60 10.0 negative automatic P 288 2489.2749 -0.0708141 0.952381
GE.MTE.BHZ. 2020-05-20T23:48:14.90 10.0 negative automatic P 292 2492.8935 -0.188713 0.952381
GE.SLIT.BHZ. 2020-05-20T23:48:14.70 10.0 negative automatic P 3 2492.9379 -0.254992 0.833333
RD.ROSF.BHZ. 2020-05-20T23:48:07.40 10.0 negative automatic P 314 2414.9382 -0.089567 0.970874
WM.SFS.BHZ. 2020-05-20T23:48:04.55 10.0 negative automatic P 281 2376.5211 0.815489 0.909091
GE.HLG.BHZ. 2020-05-20T23:47:58.85 10.0 negative automatic P 339 2312.9958 1.28332 0.930233
DK.BSD.BHZ. 2020-05-20T23:47:51.31 10.0 negative automatic P 351 2246.5845 0.231355 0.952381
IU.PAB.BHZ.00 2020-05-20T23:47:49.47 10.0 negative automatic P 290 2214.4278 1.39578 0.952381
GE.RGN.BHZ. 2020-05-20T23:47:49.30 10.0 negative automatic P 348 2211.6861 1.65174 0.909091
GE.IBBN.BHZ. 2020-05-20T23:47:42.15 10.0 positive automatic P 336 2138.304 1.70765 0.97561
II.KIV.BHZ.00 2020-05-20T23:47:41.72 10.0 positive automatic P 56 2141.6784 0.792526 0.909091
RD.MFF.BHZ. 2020-05-20T23:47:39.34 10.0 negative automatic P 313 2116.4814 1.03655 0.892857
PL.SUW.BHZ. 2020-05-20T23:47:37.04 10.0 negative automatic P 5 2099.3208 0.453008 0.952381
G.CLF.BHZ.00 2020-05-20T23:47:31.25 10.0 negative automatic P 319 2051.9682 -0.648448 0.869565
GE.FLT1.BHZ. 2020-05-20T23:47:30.90 10.0 positive automatic P 342 2028.9801 1.42281 0.888889
GE.RUE.BHZ. 2020-05-20T23:47:24.65 10.0 negative automatic P 347 1983.0039 0.273394 0.930233
GE.WLF.BHZ. 2020-05-20T23:47:23.60 10.0 negative automatic P 329 1969.3065 0.707874 0.952381
G.TAM.BHZ.00 2020-05-20T23:47:21.75 10.0 positive automatic P 230 1980.5952 -2.5907 0.851064
WM.CART.BHZ. 2020-05-20T23:47:15.92 10.0 negative automatic P 284 1912.0638 -0.52064 0.930233
RD.LOR.BHZ. 2020-05-20T23:47:14.42 10.0 negative automatic P 320 1905.981 -1.4144 0.943396
PL.BEL.BHZ. 2020-05-20T23:47:09.41 10.0 negative automatic P 1 1845.9522 0.437875 0.888889
IU.KIEV.BHZ.00 2020-05-20T23:47:08.57 10.0 positive automatic P 20 1864.467 -2.50935 0.930233
RD.MTLF.BHZ. 2020-05-20T23:47:02.08 10.0 negative automatic P 306 1786.9335 -0.129822 0.980392
G.ECH.BHZ.00 2020-05-20T23:47:01.55 10.0 negative automatic P 327 1799.9427 -2.198 0.909091
PL.KSP.BHZ. 2020-05-20T23:46:58.28 10.0 positive automatic P 351 1763.7789 -1.23162 0.888889
GE.STU.BHZ. 2020-05-20T23:46:57.20 10.0 negative automatic P 332 1755.5427 -1.35752 0.952381
II.BFO.BHZ.00 2020-05-20T23:46:56.42 10.0 negative automatic P 330 1754.1774 -2.01231 0.833333
G.SSB.BHZ.00 2020-05-20T23:46:55.90 10.0 negative automatic P 315 1731.8775 0.0604739 0.930233
PL.OJC.BHZ. 2020-05-20T23:46:46.75 10.0 negative automatic P 359 1666.2765 -1.26274 0.930233
GE.MORC.BHZ. 2020-05-20T23:46:42.45 10.0 negative automatic P 353 1631.5002 -1.3574 0.952381
CZ.KHC.BHZ. 2020-05-20T23:46:42.25 10.0 negative automatic P 343 1637.8494 -2.33105 0.869565
PL.KWP.BHZ. 2020-05-20T23:46:41.95 10.0 negative automatic P 6 1613.0742 0.457761 0.888889
MN.BNI.BHZ. 2020-05-20T23:46:39.30 10.0 positive automatic P 318 1582.9266 1.34434 0.888889
OE.DAVA.BHZ. 2020-05-20T23:46:38.82 10.0 negative automatic P 330 1591.9953 -0.281714 0.930233
MN.TUE.BHZ. 2020-05-20T23:46:31.80 10.0 negative automatic P 327 1545.8748 -1.69618 0.91954
IV.MONC.BHZ. 2020-05-20T23:46:29.91 10.0 negative automatic P 320 1510.0995 1.06619 0.851064
KO.BNN.BHZ. 2020-05-20T23:46:19.68 10.0 positive automatic P 69 1438.3824 -0.497165 0.862069
OE.KBA.BHZ. 2020-05-20T23:46:18.67 10.0 negative automatic P 339 1436.5065 -1.33634 0.930233
KO.BZK.BHZ. 2020-05-20T23:46:17.26 10.0 positive automatic P 54 1406.7807 1.18594 0.961538
IV.BOB.BHZ. 2020-05-20T23:46:16.45 10.0 negative automatic P 322 1400.3538 1.02806 0.909091
IV.SALO.BHZ. 2020-05-20T23:46:15.70 10.0 positive automatic P 328 1415.0946 -1.4788 0.869565
GE.PSZ.BHZ. 2020-05-20T23:46:14.25 10.0 negative automatic P 359 1410.7767 -2.45509 0.952381
OE.ARSA.BHZ. 2020-05-20T23:46:12.62 10.0 negative automatic P 345 1392.5283 -1.77619 0.952381
IV.PTCC.BHZ. 2020-05-20T23:46:10.25 10.0 positive automatic P 337 1369.629 -1.34996 0.30303
HU.LTVH.BHZ. 2020-05-20T23:46:09.82 10.0 positive automatic P 5 1358.2404 -0.277722 0.930233
MN.VLC.BHZ. 2020-05-20T23:46:03.87 10.0 negative automatic P 323 1300.1319 0.863848 0.888889
RD.PGF.BHZ. 2020-05-20T23:46:00.44 10.0 negative automatic P 313 1265.7885 1.56439 0.952381
GE.TIRR.BHZ. 2020-05-20T23:45:54.66 10.0 positive automatic P 32 1238.8599 -0.715749 0.833333
GE.MATE.BHZ. 2020-05-20T23:45:54.30 10.0 positive automatic S 334 678.3432 -1.61496 0
HU.KOVH.BHZ. 2020-05-20T23:45:50.55 10.0 negative automatic P 352 1220.6448 -2.61151 0.909091
KO.MDUB.BHZ. 2020-05-20T23:45:42.70 10.0 positive automatic P 55 1122.5097 1.50251 0.806452
IV.MGAB.BHZ. 2020-05-20T23:45:39.87 10.0 positive automatic P 323 1104.2502 1.01702 0.888889
MN.BLY.BHZ. 2020-05-20T23:45:36.27 10.0 negative automatic P 347 1089.9645 -0.764316 0.930233
MN.VSL.BHZ. 2020-05-20T23:45:34.27 10.0 positive automatic P 300 1069.152 -0.214958 0.851064
MN.AQU.BHZ. 2020-05-20T23:45:25.67 10.0 negative automatic P 325 988.5549 1.08374 0.909091
GE.ISP.BHZ.00 2020-05-20T23:45:21.15 10.0 positive automatic P 69 960.5163 -0.0426107 0.952381
KO.ELL.BHZ. 2020-05-20T23:45:11.02 10.0 positive automatic P 76 884.3259 -0.779596 0.970874
KO.BALB.HHZ. 2020-05-20T23:45:05.72 10.0 positive automatic P 52 833.0328 0.452635 0.970874
MN.PDG.BHZ. 2020-05-20T23:45:01.02 10.0 negative automatic P 354 805.749 -0.856315 0.97561
HL.RDO.HHZ. 2020-05-20T23:45:01.90 10.0 positive automatic P 33 804.0285 0.222418 0.961538
IV.MRVN.BHZ. 2020-05-20T23:44:53.15 10.0 negative automatic P 333 739.038 -0.581761 0.952381
KO.DKL.BHZ. 2020-05-20T23:44:52.26 10.0 positive automatic P 52 728.3931 -0.0476438 0.943396
HL.ARG.HHZ. 2020-05-20T23:44:49.72 10.0 positive automatic P 79 718.4364 -1.37815 0.66335
MN.CLTB.BHZ. 2020-05-20T23:44:47.20 10.0 negative automatic P 295 680.3967 0.66426 0.952381
GE.MATE.BHZ. 2020-05-20T23:44:45.75 10.0 negative automatic P 334 678.3432 -0.453976 0.97561
GE.KARP.BHZ. 2020-05-20T23:44:38.05 10.0 positive automatic P 85 627.0279 -1.80469 0.930233
MN.TIP.BHZ. 2020-05-20T23:44:28.62 10.0 negative automatic P 326 537.4731 -0.187447 0.909091
MN.WDD.BHZ. 2020-05-20T23:44:26.62 10.0 negative automatic P 279 521.2338 -0.0496932 0.869565
MN.CEL.BHZ. 2020-05-20T23:44:26.52 10.0 negative automatic P 312 513.9522 0.635784 0.952381
GE.APE.BHZ. 2020-05-20T23:44:25.75 10.0 positive automatic P 65 516.7605 -0.471729 0.952381
HL.KEK.HHZ. 2020-05-20T23:44:23.77 10.0 positive automatic P 356 501.2427 -0.455469 0.865801
HT.AGG.HHZ. 2020-05-20T23:44:21.91 10.0 positive automatic P 23 461.6712 2.51664 0.995025
HL.ITM.HHZ. 2020-05-20T23:43:56.83 10.0 positive automatic P 34 265.3344 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