Earthquake with magnitude of mb 4.8 on date 31-03-2023 and time 16:05:17 (UTC) in region Southern Greece [Sea: Greece]

A magnitude mb 4.8 earthquake occured in region: Southern Greece [Sea: Greece], on

  • 31-03-2023 16:05:17 (UTC)
  • 31-03-2023 18:05:17 (UTC +02:00) Italian time
  • 31-03-2023 19:05:17 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.2480, 24.0860 at 121 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 4.8
Mwp 4.6
2023-03-31
16:05:17
37.248 24.0864 121 2023-03-31
16:17:22
Sala Sismica INGV-Roma 115919751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-31 16:05:17
Latitude 37.2480
Longitude 24.0864
Depth (km) 121 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115919751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3213
Semi-minor axis of confidence ellipse (meter) 2801
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 3214.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101.161
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.5384
Epicentral distance of station closest to the epicenter (degree) 1.72244
Epicentral distance of station farthest from the epicenter (degree) 43.03800
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 41
Magnitudes information

Mwp:4.6

Field Value
Value 4.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude Mwp
Reference to an origin 115919751
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-31 16:17:22

mb:4.8

Field Value
Value 4.8
Uncertainty 0.3
Num. used stations 30
Type of magnitude mb
Reference to an origin 115919751
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-31 16:17:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.MAKZ.BHZ.00 2023-03-31T16:13:04.67 10.0 negative automatic P 58 43.0380 -0.400096 0.698073
II.KURK.BHZ.00 2023-03-31T16:12:43.07 10.0 negative automatic P 53 40.4522 -0.884216 0.729812
GT.DBIC.BHZ.00 2023-03-31T16:12:42.35 10.0 positive automatic P 228 40.3406 -0.672981 0.731928
II.AAK.BHZ.00 2023-03-31T16:12:28.12 10.0 positive automatic P 66 38.4443 0.572042 0.777494
II.SIMI.BHZ.00 2023-03-31T16:11:59.32 10.0 negative automatic P 74 35.0902 0.224261 0.806466
II.ESK.BHZ.00 2023-03-31T16:10:36.42 10.0 positive automatic P 323 25.8061 -0.756579 0.952381
LX.MESJ.BHZ. 2023-03-31T16:10:34.52 10.0 positive automatic P 281 25.4924 0.168058 0.952381
PM.PVAQ.BHZ. 2023-03-31T16:10:31.20 10.0 positive automatic P 280 25.1681 -0.210846 0.952381
PM.PESTR.BHZ. 2023-03-31T16:10:28.36 10.0 positive automatic P 284 24.8683 -0.369014 0.930233
G.TAM.BHZ.00 2023-03-31T16:09:59.05 10.0 positive automatic P 233 21.5366 1.9995 0.909091
RD.MFF.BHZ. 2023-03-31T16:09:42.88 10.0 negative automatic P 305 20.1957 0.358967 0.970874
RD.LOR.BHZ. 2023-03-31T16:09:17.80 10.0 negative automatic P 310 17.9292 -0.131912 0.970874
RD.MTLF.BHZ. 2023-03-31T16:09:15.42 10.0 negative automatic P 297 17.6938 0.093692 0.884956
PL.SUW.BHZ. 2023-03-31T16:09:05.48 10.0 positive automatic P 358 16.7754 0.468432 0.97561
G.SSB.BHZ.00 2023-03-31T16:09:03.45 10.0 positive automatic P 305 16.6799 -0.489749 0.930233
G.ECH.BHZ.00 2023-03-31T16:09:03.40 10.0 positive automatic P 317 16.5129 1.51839 0.888889
IU.GNI.BHZ.00 2023-03-31T16:09:02.97 10.0 positive automatic P 73 16.3392 3.04508 0.952381
II.BFO.BHZ.00 2023-03-31T16:08:55.57 10.0 negative automatic P 319 15.9567 0.527901 0.930233
IU.GRFO.BHZ.00 2023-03-31T16:08:51.60 10.0 negative automatic P 327 15.5096 2.13089 0.930233
MN.BNI.BHZ. 2023-03-31T16:08:48.65 10.0 negative automatic P 306 15.2072 2.77563 0.869565
OE.DAVA.BHZ. 2023-03-31T16:08:38.77 10.0 positive automatic P 318 14.4925 1.85867 0.909091
IU.KIEV.BHZ.00 2023-03-31T16:08:28.07 10.0 positive automatic P 14 13.9427 -1.59921 0.869565
GE.MORC.BHZ. 2023-03-31T16:08:23.40 10.0 negative automatic P 341 13.3837 0.827829 0.930233
PL.OJC.BHZ. 2023-03-31T16:08:22.66 10.0 positive automatic P 348 13.3299 0.844191 0.634921
IV.PTCC.BHZ. 2023-03-31T16:08:03.50 10.0 positive automatic P 322 12.1364 -2.80458 0.952381
OE.ARSA.BHZ. 2023-03-31T16:07:59.72 10.0 negative automatic P 330 11.8249 -2.45725 0.930233
GE.EIL.BHZ. 2023-03-31T16:07:59.85 10.0 positive automatic P 127 11.7994 -1.92705 0.97561
MN.PDG.BHZ. 2023-03-31T16:07:54.92 10.0 positive automatic S 326 6.3674 -4.87885 0
GE.PSZ.BHZ. 2023-03-31T16:07:51.20 10.0 positive automatic P 345 11.1028 -1.47648 0.909091
GE.MSBI.BHZ. 2023-03-31T16:07:50.30 10.0 positive automatic P 119 11.0312 -1.21895 0.952381
IV.MGAB.BHZ. 2023-03-31T16:07:47.20 10.0 positive automatic P 305 10.7554 -0.789091 0.930233
GE.CSS.BHZ. 2023-03-31T16:07:07.90 10.0 positive automatic P 104 7.8071 -0.367772 0.930233
MN.DIVS.BHZ. 2023-03-31T16:07:02.37 10.0 negative automatic P 337 7.5183 -2.08704 0.963855
MN.CUC.BHZ. 2023-03-31T16:06:56.97 10.0 negative automatic P 296 7.0172 -0.649335 0.952381
GE.MATE.BHZ. 2023-03-31T16:06:50.55 10.0 positive automatic P 303 6.6690 -2.33746 0.769231
MN.PDG.BHZ. 2023-03-31T16:06:46.77 10.0 positive automatic P 326 6.3674 -1.95588 0.909091
HL.RDO.HHZ. 2023-03-31T16:06:18.88 10.0 negative automatic P 16 4.0552 1.24672 0.896861
HL.KEK.HHZ. 2023-03-31T16:06:18.62 10.0 positive automatic P 308 4.1647 -0.495082 0.985222
HL.ARG.HHZ. 2023-03-31T16:06:11.55 10.0 positive automatic P 107 3.3947 2.69132 0.49505
HT.LIT.HHZ. 2023-03-31T16:06:06.14 10.0 positive automatic P 337 3.1154 0.893967 0.985222
HT.AGG.HHZ. 2023-03-31T16:05:54.98 10.0 negative automatic P 323 2.2446 0.984 0.97561
HL.ITM.HHZ. 2023-03-31T16:05:49.37 10.0 negative automatic P 268 1.7224 1.86923 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