Earthquake with magnitude of mb 4.9 on date 07-02-2023 and time 10:53:23 (UTC) in region Greece [Sea]

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

  • 07-02-2023 10:53:23 (UTC)
  • 07-02-2023 11:53:23 (UTC +01:00) Italian time
  • 07-02-2023 12:53:23 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 40.1820, 23.6350 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.

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 2023-02-07
10:53:23
40.1818 23.6353 10 2023-02-07
11:04:47
Sala Sismica INGV-Roma 114218091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-07 10:53:23
Latitude 40.1818
Longitude 23.6353
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 114218091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2840
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 2295.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98.3321
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.886287
Epicentral distance of station closest to the epicenter (degree) 1.73350
Epicentral distance of station farthest from the epicenter (degree) 10.13465
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

mb:4.9

Field Value
Value 4.9
Uncertainty 0.1
Num. used stations 10
Type of magnitude mb
Reference to an origin 114218091
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-07 11:04:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OE.KBA.BHZ. 2023-02-07T10:55:48.72 10.0 positive automatic P 316 10.1347 -0.11446 0.930233
IV.PTCC.BHZ. 2023-02-07T10:55:42.60 10.0 positive automatic P 313 9.7198 -0.378825 0.952381
OE.ARSA.BHZ. 2023-02-07T10:55:35.97 10.0 negative automatic P 323 9.1730 0.507834 0.952381
IV.MGAB.BHZ. 2023-02-07T10:55:34.30 10.0 positive automatic P 291 9.0369 0.703444 0.930233
HU.KOVH.BHZ. 2023-02-07T10:55:07.50 10.0 negative automatic P 327 7.1512 -0.1738 0.952381
MN.BLY.BHZ. 2023-02-07T10:55:01.77 10.0 positive automatic P 316 6.5916 1.79048 0.952381
MN.CUC.BHZ. 2023-02-07T10:54:51.62 10.0 positive automatic P 271 5.9833 -0.0715857 0.909091
GE.TIRR.BHZ. 2023-02-07T10:54:45.00 10.0 negative automatic P 38 5.5443 0.43137 0.97561
MN.BZS.BHZ. 2023-02-07T10:54:45.72 10.0 positive automatic P 346 5.6292 -1.045 0.97561
GE.MATE.BHZ. 2023-02-07T10:54:40.70 10.0 negative automatic P 277 5.2959 -1.53304 0.930233
MN.DIVS.BHZ. 2023-02-07T10:54:33.95 10.0 negative automatic P 327 4.7564 -0.949914 0.91954
MN.PDG.BHZ. 2023-02-07T10:54:25.02 10.0 negative automatic P 306 3.9803 0.955608 0.930233
GE.APE.BHZ. 2023-02-07T10:54:16.94 10.0 negative automatic P 154 3.4468 0.109101 0.952381
HL.ITM.HHZ. 2023-02-07T10:54:14.75 10.0 positive automatic P 205 3.2861 0.169118 0.985222
HL.KEK.HHZ. 2023-02-07T10:54:10.14 10.0 positive automatic P 262 2.9799 -0.199906 0.956938
HL.RDO.HHZ. 2023-02-07T10:53:52.96 10.0 positive automatic P 56 1.7335 -0.219611 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