Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of mb 4.9 on date 18-02-2023 and time 18:32:59 (Italy) in region Crete, Greece [Sea: Greece]

A magnitude mb 4.9 earthquake occured in region: Crete, Greece [Sea: Greece], on

  • 18-02-2023 17:32:59 (UTC)
  • 18-02-2023 18:32:59 (UTC +01:00) Italian time
  • 18-02-2023 19:32:59 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 35.5150, 25.4090 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4.9
Mwp 4.7 		2023-02-18
17:32:59		 35.5148 25.4092 20 2023-02-18
20:23:24		 Sala Sismica INGV-Roma 114560121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-18 17:32:59
Latitude 35.5148
Longitude 25.4092
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 114560121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3217
Semi-minor axis of confidence ellipse (meter) 1056
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 2737.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58.857
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.04107
Epicentral distance of station closest to the epicenter (degree) 3.26185
Epicentral distance of station farthest from the epicenter (degree) 66.06099
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 44
Magnitudes information

Mwp:4.7

Field Value
Value 4.7
Uncertainty 0.0
Num. used stations 1
Type of magnitude Mwp
Reference to an origin 114560121
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-18 20:23:24

mb:4.9

Field Value
Value 4.9
Uncertainty 0.2
Num. used stations 35
Type of magnitude mb
Reference to an origin 114560121
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-18 20:23:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.CHTO.BHZ.00 2023-02-18T17:43:47.57 10.0 positive automatic P 83 66.0610 2.77819 0.325358
IU.YAK.BHZ.00 2023-02-18T17:43:36.57 10.0 positive automatic P 30 65.2282 -2.79224 0.155207
GT.BOSA.BHZ.00 2023-02-18T17:43:33.55 10.0 positive automatic P 180 64.1263 1.17969 0.346217
GT.LBTB.BHZ.00 2023-02-18T17:43:09.98 10.0 positive automatic P 180 60.5275 1.72065 0.403866
IU.MAKZ.BHZ.00 2023-02-18T17:40:56.12 10.0 positive automatic P 57 43.0727 -1.80928 0.578942
DK.SCO.BHZ. 2023-02-18T17:40:56.05 10.0 negative automatic P 339 42.9664 -0.926533 0.691185
II.KURK.BHZ.00 2023-02-18T17:40:36.32 10.0 negative automatic P 51 40.6855 -2.02696 0.700764
II.AAK.BHZ.00 2023-02-18T17:40:17.57 10.0 negative automatic P 64 38.2164 -0.434929 0.714077
II.SIMI.BHZ.00 2023-02-18T17:39:46.00 10.0 positive automatic P 72 34.5939 -0.046259 0.789398
II.ESK.BHZ.00 2023-02-18T17:38:47.47 10.0 positive automatic P 324 27.8334 0.139635 0.952381
LX.MESJ.BHZ. 2023-02-18T17:38:39.42 10.0 positive automatic P 285 26.9244 0.246461 0.909091
PM.PVAQ.BHZ. 2023-02-18T17:38:35.65 10.0 negative automatic P 284 26.5720 -0.348794 0.869565
PM.PESTR.BHZ. 2023-02-18T17:38:34.32 10.0 positive automatic P 287 26.3553 0.245582 0.952381
RD.ROSF.BHZ. 2023-02-18T17:38:16.94 10.0 negative automatic P 310 24.6768 -1.87434 0.970874
GE.VSU.BHZ. 2023-02-18T17:38:00.90 10.0 positive automatic P 2 22.9629 -1.51174 0.909091
RD.MFF.BHZ. 2023-02-18T17:37:51.58 10.0 positive automatic P 308 22.0843 -1.52879 0.917431
G.TAM.BHZ.00 2023-02-18T17:37:50.15 10.0 negative automatic P 239 21.4515 3.61806 0.952381
GE.WLF.BHZ. 2023-02-18T17:37:32.40 10.0 positive automatic P 321 19.9167 2.67864 0.930233
RD.LOR.BHZ. 2023-02-18T17:37:27.72 10.0 positive automatic P 313 19.8764 -1.6009 0.970874
RD.MTLF.BHZ. 2023-02-18T17:37:26.54 10.0 positive automatic P 301 19.4634 1.75091 0.917431
GE.EIL.BHZ. 2023-02-18T17:37:09.00 10.0 positive automatic S 123 9.9307 -2.50586 0
GE.MSBI.BHZ. 2023-02-18T17:36:54.60 10.0 negative automatic S 114 9.3001 -1.29835 0
OE.DAVA.BHZ. 2023-02-18T17:36:50.22 10.0 negative automatic P 320 16.5008 0.399361 0.930233
IU.GNI.BHZ.00 2023-02-18T17:36:45.57 10.0 negative automatic P 67 15.9179 3.20749 0.888889
II.KIV.BHZ.00 2023-02-18T17:36:42.07 10.0 positive automatic P 52 15.6912 2.7401 0.930233
GE.MORC.BHZ. 2023-02-18T17:36:37.15 10.0 negative automatic P 341 15.3693 2.07166 0.952381
IV.BOB.BHZ. 2023-02-18T17:36:37.05 10.0 positive automatic P 312 15.2664 3.28556 0.952381
IU.KIEV.BHZ.00 2023-02-18T17:36:36.07 10.0 positive automatic P 9 15.4335 0.249969 0.952381
OE.KBA.BHZ. 2023-02-18T17:36:32.82 10.0 positive automatic pP 326 14.6559 -4.54418 0
GE.PSZ.BHZ. 2023-02-18T17:36:06.25 10.0 positive automatic P 343 13.0594 2.43858 0.909091
IV.MGAB.BHZ. 2023-02-18T17:35:57.15 10.0 negative automatic P 310 12.6578 -1.11092 0.952381
HU.KOVH.BHZ. 2023-02-18T17:35:47.05 10.0 positive automatic P 335 11.9206 -1.08257 0.97561
MN.AQU.BHZ. 2023-02-18T17:35:47.22 10.0 positive automatic P 310 11.5551 4.01292 0.909091
MN.BZS.BHZ. 2023-02-18T17:35:30.02 10.0 negative automatic P 345 10.4980 1.35415 0.952381
GE.EIL.BHZ. 2023-02-18T17:35:19.90 10.0 positive automatic P 123 9.9307 -0.983915 0.97561
MN.DIVS.BHZ. 2023-02-18T17:35:14.95 10.0 negative automatic P 336 9.5331 -0.628262 0.963855
GE.MSBI.BHZ. 2023-02-18T17:35:11.00 10.0 positive automatic P 114 9.3001 -1.16973 0.97561
MN.CUC.BHZ. 2023-02-18T17:35:03.52 10.0 positive automatic P 303 8.8009 -1.95036 0.43956
GE.MATE.BHZ. 2023-02-18T17:34:58.80 10.0 positive automatic P 309 8.5544 -3.27164 0.888889
MN.PDG.BHZ. 2023-02-18T17:34:56.72 10.0 negative automatic P 327 8.4004 -3.15952 0.869565
IU.ANTO.BHZ.00 2023-02-18T17:34:44.80 10.0 negative automatic P 51 7.2818 0.0891415 0.941176
GE.CSS.BHZ. 2023-02-18T17:34:32.00 10.0 positive automatic P 93 6.4918 -1.7422 0.952381
HL.KEK.HHZ. 2023-02-18T17:34:25.79 10.0 positive automatic P 315 6.1121 -2.71001 0.995025
HT.LIT.HHZ. 2023-02-18T17:34:13.03 10.0 positive automatic P 334 5.1347 -2.09715 0.947867
HT.AGG.HHZ. 2023-02-18T17:34:02.45 10.0 negative automatic P 326 4.2741 -0.856746 0.97561
HL.ITM.HHZ. 2023-02-18T17:33:49.76 10.0 positive automatic P 302 3.2618 0.400116 0.909091
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