Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.6 on date 30-01-2023 and time 20:55:27 (Italy) in region Malta [Sea]

A magnitude Mwp 5.6 earthquake occured in region: Malta [Sea], on

  • 30-01-2023 19:55:27 (UTC)
  • 30-01-2023 20:55:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9840, 14.3380 at 9 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 4.8
Mwp 5.6
Mwpd 5.8 		2023-01-30
19:55:27		 34.984 14.3385 9 2023-01-30
20:02:57		 Sala Sismica INGV-Roma 113918681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 19:55:27
Latitude 34.9840
Longitude 14.3385
Depth (km) 9 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 113918681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 11637242
Semi-minor axis of confidence ellipse (meter) 8997661
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 9507690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162.23
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.90403
Epicentral distance of station closest to the epicenter (degree) 0.92483
Epicentral distance of station farthest from the epicenter (degree) 20.00882
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 49
Magnitudes information

Mwpd:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 9
Type of magnitude Mwpd
Reference to an origin 113918681
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-01-30 20:02:57

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 9
Type of magnitude Mwp
Reference to an origin 113918681
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-01-30 20:02:57

mb:4.8

Field Value
Value 4.8
Uncertainty 0.3
Num. used stations 50
Type of magnitude mb
Reference to an origin 113918681
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-01-30 20:02:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
PL.SUW.BHZ. 2023-01-30T19:59:59.85 10.0 positive automatic P 15 20.0088 0.446352 0.930233
RD.ROSF.BHZ. 2023-01-30T19:59:47.82 10.0 positive automatic P 321 18.6583 2.21692 0.925926
KO.GAZ.HHZ. 2023-01-30T19:59:45.53 10.0 positive automatic P 77 18.5675 0.799733 1.12009
WM.TIO.BHZ. 2023-01-30T19:59:43.50 10.0 positive automatic P 263 18.5327 -0.911486 1.15897
ES.EPON.HHZ. 2023-01-30T19:59:42.61 10.0 positive automatic P 303 18.5591 -1.93253 0.923238
GE.EIL.BHZ. 2023-01-30T19:59:41.15 10.0 positive automatic P 101 18.1707 1.07061 1.21536
GE.MTE.BHZ. 2023-01-30T19:59:38.40 10.0 positive automatic P 294 18.0872 -0.960333 0.952381
GE.MSBI.BHZ. 2023-01-30T19:59:37.75 10.0 positive automatic P 96 17.9410 0.703685 0.930233
KO.BNN.HHZ. 2023-01-30T19:59:35.55 10.0 positive automatic P 71 17.5806 2.6831 1.38168
PM.PVAQ.BHZ. 2023-01-30T19:59:35.70 10.0 positive automatic P 284 17.9207 -1.17684 0.909091
GE.FLT1.BHZ. 2023-01-30T19:59:31.15 10.0 positive automatic P 354 17.4862 0.474803 0.888889
PL.KSP.BHZ. 2023-01-30T19:59:14.42 10.0 positive automatic P 5 15.9211 2.93505 0.909091
GE.WLF.BHZ. 2023-01-30T19:59:12.00 10.0 positive automatic P 340 15.8555 0.725144 0.930233
ES.ELAN.HHZ. 2023-01-30T19:59:11.16 10.0 positive automatic P 306 16.0186 -1.84388 0.921659
GE.CSS.BHZ. 2023-01-30T19:59:04.85 10.0 positive automatic P 85 15.5387 -2.29061 0.888889
GE.MORC.BHZ. 2023-01-30T19:59:00.75 10.0 positive automatic P 8 14.9764 1.72572 0.930233
KO.HDMB.HHZ. 2023-01-30T19:58:56.10 10.0 positive automatic P 77 14.7954 -1.01271 0.888889
RD.LFF.BHZ. 2023-01-30T19:58:52.40 10.0 positive automatic P 318 14.3759 1.3072 0.943396
CZ.KHC.BHZ. 2023-01-30T19:58:48.75 10.0 positive automatic P 358 14.1574 0.999652 0.930233
II.BFO.BHZ.00 2023-01-30T19:58:48.12 10.0 positive automatic P 343 14.0691 1.55648 0.930233
RD.ETSF.BHZ. 2023-01-30T19:58:46.82 10.0 positive automatic P 309 13.9984 0.755924 0.892857
GE.PSZ.BHZ. 2023-01-30T19:58:40.20 10.0 positive automatic P 16 13.5783 0.114223 0.930233
KO.ELL.HHZ. 2023-01-30T19:58:27.35 10.0 positive automatic P 78 12.7254 -1.38811 0.956938
RD.MTLF.BHZ. 2023-01-30T19:58:25.06 10.0 positive automatic P 315 12.5519 -1.16143 0.952381
ES.EPOB.HHZ. 2023-01-30T19:58:22.78 10.0 positive automatic P 305 12.1951 1.34625 0.970874
OE.KBA.BHZ. 2023-01-30T19:58:21.87 10.0 positive automatic P 357 12.1168 1.30096 0.909091
RD.ORIF.BHZ. 2023-01-30T19:58:18.16 10.0 positive automatic P 330 11.8476 1.44601 0.970874
MN.BZS.BHZ. 2023-01-30T19:58:15.22 10.0 positive automatic P 25 11.9916 -3.31706 0.930233
HU.KOVH.BHZ. 2023-01-30T19:58:11.95 10.0 positive automatic P 13 11.4623 0.639808 0.930233
IV.PTCC.BHZ. 2023-01-30T19:58:11.65 10.0 positive automatic P 357 11.4471 0.899228 0.952381
HL.ARG.HHZ. 2023-01-30T19:58:09.52 10.0 positive automatic P 80 11.2640 0.00724893 0.980392
ES.EIBI.HHZ. 2023-01-30T19:58:07.34 10.0 positive automatic P 295 11.1237 0.673736 0.970874
KO.DKL.HHZ. 2023-01-30T19:58:04.00 10.0 positive automatic P 64 10.8207 1.51473 0.242718
HL.RDO.HHZ. 2023-01-30T19:57:59.46 10.0 positive automatic P 52 10.7404 -1.77644 0.308642
FR.SAOF.HHZ.00 2023-01-30T19:57:58.05 10.0 positive automatic P 332 10.4056 1.15424 0.985222
RD.FLAF.BHZ. 2023-01-30T19:57:57.40 10.0 positive automatic P 326 10.4667 -0.280624 0.961538
ES.ETOS.HHZ. 2023-01-30T19:57:56.18 10.0 positive automatic P 301 10.3200 0.476539 0.980392
MN.BLY.BHZ. 2023-01-30T19:57:53.72 10.0 positive automatic P 12 10.0039 2.7248 0.869565
MN.DIVS.BHZ. 2023-01-30T19:57:50.10 10.0 positive automatic P 24 10.0964 -2.32506 0.963855
WM.MAHO.BHZ. 2023-01-30T19:57:41.70 10.0 positive automatic P 305 9.3757 0.117249 0.952381
RD.PGF.BHZ. 2023-01-30T19:57:33.52 10.0 positive automatic P 333 8.6292 0.880403 0.980392
FR.AJAC.HHZ.00 2023-01-30T19:57:27.80 10.0 positive automatic P 330 8.1976 1.27244 0.97561
IV.MGAB.BHZ. 2023-01-30T19:57:27.00 10.0 positive automatic P 348 8.1143 1.84814 0.930233
FR.SMPL.HHZ.00 2023-01-30T19:57:26.54 10.0 positive automatic P 332 8.1313 0.857686 0.966184
MN.PDG.BHZ. 2023-01-30T19:57:25.92 10.0 positive automatic P 26 8.3739 -3.10006 0.952381
IV.LINA.HHZ. 2023-01-30T19:55:51.21 10.0 positive automatic P 307 1.4874 -4.76321 1.14189
IV.LPDG.HHZ. 2023-01-30T19:55:50.90 10.0 positive automatic P 291 1.4938 -5.19109 0.982644
ML.XLND.BHZ. 2023-01-30T19:55:45.70 10.0 positive automatic P 355 1.0527 -1.95059 0.648105
ML.MSDA.BHZ. 2023-01-30T19:55:44.50 10.0 positive automatic P 7 0.9248 -0.723104 1.52711
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