Earthquake with magnitude of ML 3.5 on date 01-12-2023 and time 01:31:46 (UTC) in region Malta [Sea]

A magnitude ML 3.5 earthquake occured in region: Malta [Sea], on

  • 01-12-2023 01:31:46 (UTC)
  • 01-12-2023 02:31:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.7990, 14.3040 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
ML 3.5 2023-12-01
01:31:46
34.7988 14.3035 10 2023-12-01
01:46:58
Sala Sismica INGV-Roma 123604701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-01 01:31:46 ± 0.32
Latitude 34.7988 ± 0.0180
Longitude 14.3035 ± 0.0241
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123604701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2590
Semi-minor axis of confidence ellipse (meter) 1450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 2590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.77360
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 21
Magnitude information

ML:3.5

Field Value
Value 3.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 123604701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-01 01:46:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MESG.HHZ. 2023-12-01T01:33:38.10 3.0 negative manual Pg 15.83 0
MN.KLV.HHZ. 2023-12-01T01:33:31.73 3.0 undecidable manual Pn -1.34 0
IV.PAOL.HHZ. 2023-12-01T01:33:24.59 3.0 undecidable manual Pn 5.35 0
IV.PTRJ.HHZ. 2023-12-01T01:33:22.16 3.0 undecidable manual Pn -1.63 0
IV.AGST.EHZ. 2023-12-01T01:32:59.28 0.6 undecidable manual S 17 285.0036 38 -0.45 18
IV.SPS2.HHZ. 2023-12-01T01:32:59.44 1.0 undecidable manual P 19 529.8696 38 0.16 6
IV.SSY.HHZ. 2023-12-01T01:32:56.79 0.6 undecidable manual S 15 270.6291 38 0.14 23
IV.PLAC.HHZ. 2023-12-01T01:32:49.62 1.0 negative manual P 24 447.3189 38 0.61 6
IV.ECTS.HHZ. 2023-12-01T01:32:37.38 0.3 undecidable manual P 12 349.6833 38 0.52 22
IV.CORL.HHZ. 2023-12-01T01:32:37.51 0.6 negative manual P 346 354.7782 38 0.01 16
IV.CSLB.HHZ. 2023-12-01T01:32:36.88 0.6 undecidable manual P 356 348.8841 38 0.12 16
IV.CIMI.HHZ. 2023-12-01T01:32:36.71 0.1 positive manual P 349 348.1848 38 0.04 32
IV.GALF.HHZ. 2023-12-01T01:32:34.19 1.0 undecidable manual P 4 323.8314 38 0.54 7
IV.RESU.HHZ. 2023-12-01T01:32:33.35 1.0 positive manual P 356 316.7385 38 0.6 7
IV.AGST.EHZ. 2023-12-01T01:32:28.26 0.6 positive manual P 17 285.0036 38 -0.54 18
IV.HLNI.HHZ. 2023-12-01T01:32:28.34 1.0 positive manual P 10 287.3901 38 -0.77 8
IV.SSY.HHZ. 2023-12-01T01:32:27.09 0.6 positive manual P 15 270.6291 38 0.07 23
IV.HVZN.HHZ. 2023-12-01T01:32:26.13 0.1 undecidable manual P 8 266.5332 38 -0.38 45
ML.XLND.BHE. 2023-12-01T01:32:24.78 0.6 undecidable manual S 357 137.0628 50 -1.05 37
IV.HAVL.HHZ. 2023-12-01T01:32:23.74 0.1 undecidable manual P 17 250.7601 38 -0.8 45
ML.MSDA.BHE. 2023-12-01T01:32:22.62 0.6 undecidable manual S 8 123.3876 50 0.44 49
IV.HPAC.HHZ. 2023-12-01T01:32:21.63 0.6 positive manual P 17 221.9112 38 0.67 29
IV.ISPIC.HHE. 2023-12-01T01:32:21.09 0.6 undecidable manual P 14 226.3068 38 -0.42 31
IV.SCIC.HHE. 2023-12-01T01:32:21.00 0.6 undecidable manual P 8 224.0091 38 -0.22 33
MN.WDD.HHZ. 2023-12-01T01:32:20.86 0.6 undecidable manual S 10 116.8941 50 0.4 50
IV.CROCE.HHE. 2023-12-01T01:32:20.48 3.0 undecidable manual P 226.6065 -1.06 0
IV.LINA.HHE. 2023-12-01T01:32:14.37 1.0 undecidable manual P 313 176.49 38 -0.93 17
IV.LPDG.HHE. 2023-12-01T01:32:14.84 0.1 undecidable manual P 298 171.495 50 0.31 86
ML.XLND.BHE. 2023-12-01T01:32:09.01 0.1 undecidable manual P 357 137.0628 50 -0.22 100
ML.MSDA.BHE. 2023-12-01T01:32:07.30 0.6 undecidable manual P 8 123.3876 50 0.18 52
MN.WDD.HHZ. 2023-12-01T01:32:06.57 0.1 negative manual P 10 116.8941 50 0.44 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.WDD.HHE. ML:3.9 0.00633 0.6 AML other m 2023-12-01T01:32:21.10
MN.WDD.HHN. ML:3.8 0.004935 0.6 AML other m 2023-12-01T01:32:25.39
IV.HPAC.HHE. ML:3.8 0.0017050000000000001 1.04 AML other m 2023-12-01T01:32:59.19
IV.HAVL.HHE. ML:3.5 0.0006490000000000001 0.68 AML other m 2023-12-01T01:33:02.73
IV.HVZN.HNE. ML:3.7 0.0008235 0.56 AML other m 2023-12-01T01:33:08.86
IV.HLNI.HNE. ML:3.4 0.0003545 0.7 AML other m 2023-12-01T01:33:11.33
IV.HLNI.HHE. ML:3.4 0.00035299999999999996 0.68 AML other m 2023-12-01T01:33:11.67
IV.HPAC.HHN. ML:3.8 0.0017050000000000001 0.52 AML other m 2023-12-01T01:33:11.39
IV.HAVL.HHN. ML:3.6 0.000811 1.14 AML other m 2023-12-01T01:33:12.41
IV.HVZN.HHE. ML:3.7 0.0008295 0.48 AML other m 2023-12-01T01:33:13.14
IV.SSY.HNE. ML:3.8 0.0009575 0.5 AML other m 2023-12-01T01:33:13.65
IV.SSY.HHN. ML:3.8 0.0009855 1.08 AML other m 2023-12-01T01:33:13.04
IV.HLNI.HHN. ML:3.5 0.00041200000000000004 0.36 AML other m 2023-12-01T01:33:13.43
IV.SSY.HHE. ML:3.7 0.0008209999999999999 0.8 AML other m 2023-12-01T01:33:13.26
IV.HLNI.HNN. ML:3.5 0.000413 0.54 AML other m 2023-12-01T01:33:14.43
IV.SSY.HNN. ML:3.8 0.00108 0.36 AML other m 2023-12-01T01:33:15.42
IV.HVZN.HHN. ML:3.7 0.0008105 1.22 AML other m 2023-12-01T01:33:17.74
IV.HVZN.HNN. ML:3.7 0.0008209999999999999 1.2 AML other m 2023-12-01T01:33:17.77
IV.CIMI.HHE. ML:3.4 0.0002175 0.78 AML other m 2023-12-01T01:33:20.47
IV.AGST.EHN. ML:3.6 0.0005800000000000001 1.52 AML other m 2023-12-01T01:33:22.81
IV.CSLB.HHE. ML:3.0 0.0000948 0.9 AML other m 2023-12-01T01:33:23.72
IV.AGST.EHE. ML:3.6 0.0005715 0.72 AML other m 2023-12-01T01:33:24.60
IV.GALF.HNN. ML:3.5 0.00035 1.46 AML other m 2023-12-01T01:33:24.78
IV.RESU.HNN. ML:3.0 0.00009340000000000001 1.32 AML other m 2023-12-01T01:33:26.98
IV.GALF.HHN. ML:3.8 0.0006835 0.5 AML other m 2023-12-01T01:33:27.56
IV.RESU.HNE. ML:3.0 0.0000942 1.42 AML other m 2023-12-01T01:33:29.81
IV.RESU.HHE. ML:3.2 0.00016499999999999997 1.46 AML other m 2023-12-01T01:33:30.82
IV.ECTS.HHN. ML:3.2 0.00014099999999999998 1.04 AML other m 2023-12-01T01:33:33.30
IV.RESU.HHN. ML:3.2 0.00016350000000000002 0.66 AML other m 2023-12-01T01:33:34.69
IV.PLAC.HHN. ML:3.2 0.00006185 0.9 AML other m 2023-12-01T01:33:36.82
IV.GALF.HHE. ML:3.8 0.000676 0.54 AML other m 2023-12-01T01:33:36.33
IV.PLAC.HHE. ML:3.3 0.00007925 0.82 AML other m 2023-12-01T01:33:39.92
IV.ECTS.HHE. ML:3.5 0.0002545 0.74 AML other m 2023-12-01T01:33:39.58
IV.CSLB.HHN. ML:3.0 0.0000877 1.42 AML other m 2023-12-01T01:33:39.19
IV.GALF.HNE. ML:3.4 0.000251 0.64 AML other m 2023-12-01T01:33:42.18
IV.CIMI.HHN. ML:3.4 0.0002075 1.24 AML other m 2023-12-01T01:33:49.07
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