Earthquake with magnitude of ML 3.6 on date 20-01-2023 and time 15:14:24 (UTC) in region Malta [Sea]

A magnitude ML 3.6 earthquake occured in region: Malta [Sea], on

  • 20-01-2023 15:14:24 (UTC)
  • 20-01-2023 16:14:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8270, 14.5580 at 18 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 3.6 2023-01-20
15:14:24
34.8267 14.5583 18 2023-01-20
15:28:47
Sala Sismica INGV-Roma 113702571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-20 15:14:24 ± 0.64
Latitude 34.8267 ± 0.0261
Longitude 14.5583 ± 0.0329
Depth (km) 18 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113702571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2734
Semi-minor axis of confidence ellipse (meter) 2618
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 2730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.92194
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 17
Magnitude information

ML:3.6

Field Value
Value 3.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 113702571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-20 15:28:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2023-01-20T15:16:49.20 3.0 negative manual Pn 3.45 0
IV.MC2.EHZ. 2023-01-20T15:16:45.76 3.0 undecidable manual Pg 22.370001 0
IV.MOCO.HHZ. 2023-01-20T15:16:16.90 3.0 undecidable manual Pg 15.46 0
IV.MRB1.HNZ. 2023-01-20T15:16:10.79 3.0 undecidable manual Pg 12.87 0
IV.VULT.HHZ. 2023-01-20T15:16:04.34 3.0 negative manual Pg 8.04 0
IV.SALB.HHZ. 2023-01-20T15:15:45.17 3.0 positive manual Pn 1.63 0
IV.MBFT.HHZ. 2023-01-20T15:15:44.78 3.0 undecidable manual Sn -9.56 0
IV.GALF.HHZ. 2023-01-20T15:15:43.20 0.6 undecidable manual S 0 2.8823 54 -0.97 19
IV.SPS2.HHZ. 2023-01-20T15:15:37.24 3.0 positive manual Pn 1.36 0
IV.HLNI.HHZ. 2023-01-20T15:15:34.94 0.3 undecidable manual S 6 2.5334 54 -0.88 38
IV.RAFF.HHZ. 2023-01-20T15:15:32.28 0.3 undecidable manual S 356 2.3994 54 -0.34 53
IV.SSY.HHZ. 2023-01-20T15:15:32.59 0.3 undecidable manual S 10 2.3661 54 0.75 48
IV.HAVL.HHZ. 2023-01-20T15:15:28.87 0.3 undecidable manual S 12 2.1800 54 1.5 39
IV.PLAC.HHZ. 2023-01-20T15:15:25.50 0.1 undecidable manual P 22 3.9219 54 0.52 41
IV.CROCE.HHE. 2023-01-20T15:15:21.63 0.3 undecidable manual S 359 2.0046 54 -1.55 44
IV.MSRU.HHZ. 2023-01-20T15:15:19.48 0.1 undecidable manual P 12 3.5190 54 0.07 47
IV.SOI.EHZ. 2023-01-20T15:15:18.70 0.3 undecidable manual P 20 3.4606 54 0.09 36
IV.MPNC.HHZ. 2023-01-20T15:15:17.76 0.3 undecidable manual P 11 3.3788 54 0.28 35
IV.LPDG.HHE. 2023-01-20T15:15:16.49 0.3 undecidable manual S 294 1.7204 54 0.12 96
IV.AIO.HHZ. 2023-01-20T15:15:15.09 0.3 undecidable manual P 10 3.1890 54 0.23 36
IV.MUCR.HHZ. 2023-01-20T15:15:15.39 0.1 undecidable manual P 4 3.2241 54 0.05 49
IV.GIB.HHZ. 2023-01-20T15:15:14.09 0.3 undecidable manual P 352 3.1899 54 -0.79 30
IV.CSLB.HHZ. 2023-01-20T15:15:13.85 0.3 undecidable manual P 353 3.1350 54 -0.26 36
IV.GALF.HHZ. 2023-01-20T15:15:11.44 0.1 undecidable manual P 0 2.8823 54 0.82 41
IV.HLNI.HHZ. 2023-01-20T15:15:05.14 0.3 undecidable manual P 6 2.5334 54 -0.66 42
IV.SSY.HHZ. 2023-01-20T15:15:03.17 0.1 undecidable manual P 10 2.3661 54 -0.33 74
IV.RAFF.HHZ. 2023-01-20T15:15:03.91 0.3 undecidable manual P 356 2.3994 54 -0.04 57
IV.HAVL.HHZ. 2023-01-20T15:15:01.06 0.1 undecidable manual P 12 2.1800 54 0.14 91
IV.HPAC.HHE. 2023-01-20T15:14:59.02 0.3 undecidable manual P 12 1.9201 54 1.68 42
ML.MSDA.BHE. 2023-01-20T15:14:59.94 0.3 undecidable manual S 357 1.0756 94 0.78 100
IV.CROCE.HHE. 2023-01-20T15:14:57.40 0.3 undecidable manual P 359 2.0046 54 -1.1 56
IV.LPDG.HHE. 2023-01-20T15:14:55.10 0.3 undecidable manual P 294 1.7204 54 0.53 87
ML.MSDA.BHE. 2023-01-20T15:14:43.32 0.3 undecidable manual P 357 1.0756 94 -1.32 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:0.0 0.0009759805500000001 0.4224 AML other m 2023-01-20T15:15:49.23
IV.HAVL.HHN. ML:0.0 0.0009929335999999999 0.576 AML other m 2023-01-20T15:15:45.69
IV.RAFF.HHE. ML:3.6 0.0007019999999999999 1.12 AML other m 2023-01-20T15:15:47.24
IV.HLNI.HHN. ML:0.0 0.00048599875000000006 0.896 AML other m 2023-01-20T15:15:56.09
IV.HLNI.HHE. ML:0.0 0.0004958486 0.7808 AML other m 2023-01-20T15:15:58.60
IV.SSY.HNE. ML:4.1 0.001917335 0.5376 AML other m 2023-01-20T15:15:51.15
IV.SSY.HHN. ML:4.5 0.0048232145 0.3456 AML other m 2023-01-20T15:15:52.62
IV.SSY.HNN. ML:4.0 0.0017456635000000001 0.5504 AML other m 2023-01-20T15:15:53.48
IV.RAFF.HHN. ML:3.6 0.0007035 0.62 AML other m 2023-01-20T15:15:56.52
IV.SSY.HHE. ML:4.4 0.003925 0.64 AML other m 2023-01-20T15:15:57.11
IV.SOI.EHE. ML:3.2 0.00011549999999999999 0.52 AML other m 2023-01-20T15:16:01.02
IV.GALF.HHN. ML:0.0 0.0008638819 0.7168 AML other m 2023-01-20T15:16:02.44
IV.CSLB.HHE. ML:3.2 0.00011871102 0.9984 AML other m 2023-01-20T15:16:01.62
IV.PLAC.HHE. ML:3.4 0.00010079764000000001 0.32 AML other m 2023-01-20T15:16:13.02
IV.GALF.HHE. ML:0.0 0.0008687124499999999 0.8832 AML other m 2023-01-20T15:16:12.63
IV.PLAC.HHN. ML:3.4 0.0001077 0.42 AML other m 2023-01-20T15:16:13.56
IV.AIO.HHE. ML:3.3 0.00016390735 0.64 AML other m 2023-01-20T15:16:21.86
IV.AIO.HHN. ML:3.3 0.00017604385000000001 0.6656 AML other m 2023-01-20T15:16:20.39
IV.SOI.EHN. ML:3.2 0.00009535 1.42 AML other m 2023-01-20T15:16:17.11
IV.CSLB.HHN. ML:3.3 0.00015900000000000002 1.02 AML other m 2023-01-20T15:16:19.81
IV.MUCR.HHN. ML:3.6 0.0002985 0.42 AML other m 2023-01-20T15:16:21.18
IV.MPNC.HHN. ML:3.8 0.00044000000000000007 1.16 AML other m 2023-01-20T15:16:22.41
IV.MUCR.HHE. ML:3.4 0.00020262835 0.5248 AML other m 2023-01-20T15:16:20.92
IV.MPNC.HHE. ML:3.7 0.0003250307 0.7296 AML other m 2023-01-20T15:16:21.00
IV.GALF.HNE. ML:3.2 0.00014822499999999998 0.704 AML other m 2023-01-20T15:16:03.06
IV.GIB.HHE. ML:3.8 0.0005960302 0.6016 AML other m 2023-01-20T15:16:13.52
IV.CSLB.HNE. ML:3.3 0.00015995885000000002 1.0368 AML other m 2023-01-20T15:16:01.60
IV.CSLB.HNN. ML:3.2 0.00014763975 1.1008 AML other m 2023-01-20T15:16:19.81
IV.MSRU.HHE. ML:3.8 0.00035699015 0.6144 AML other m 2023-01-20T15:16:31.08
IV.MSRU.HHN. ML:3.6 0.0002407245 0.5888 AML other m 2023-01-20T15:16:28.35
IV.PLAC.HNE. ML:3.4 0.000122523945 0.6272 AML other m 2023-01-20T15:16:13.02
IV.PLAC.HNN. ML:3.4 0.00012411545 0.6272 AML other m 2023-01-20T15:16:27.96
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