Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 4.0 on date 25-01-2023 and time 04:28:59 (Italy) in region Malta [Sea]

A magnitude ML 4.0 earthquake occured in region: Malta [Sea], on

  • 25-01-2023 03:28:59 (UTC)
  • 25-01-2023 04:28:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8570, 14.1520 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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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
Bulletin
Rev1000 		ML 4.0 2023-01-25
03:28:59		 34.857 14.1522 11 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115602521
Reviewed
Rev100 		ML 3.9 2023-01-25
03:28:59		 34.9208 14.1562 10 2023-01-25
03:46:12		 Sala Sismica INGV-Roma 113770521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 03:28:59 ± 0.29
Latitude 34.8570 ± 0.0216
Longitude 14.1522 ± 0.0110
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115602521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2242
Semi-minor axis of confidence ellipse (meter) 906
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 2240.0
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 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 1.07829
Epicentral distance of station farthest from the epicenter (degree) 4.91569
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:3.9

Field Value
Value 3.9
Uncertainty 0.3
Num. used stations 106
Type of magnitude ML
Reference to an origin 113770521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 03:46:12

ML:4.0

Field Value
Value 4.0
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 115602521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-22 13:12:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2023-01-25T03:30:14.22 0.6 undecidable manual P 22 545.6427 38 0.38 11
IV.SPS2.HHZ. 2023-01-25T03:30:11.82 0.3 undecidable manual P 21 528.5709 38 0.1 18
IV.HCRL.HHZ. 2023-01-25T03:30:10.99 0.6 undecidable manual S 16 280.5081 38 -0.28 19
IV.CAR1.HHZ. 2023-01-25T03:30:10.72 0.3 undecidable manual P 20 520.6899 38 -0.01 19
IV.SELL.HHZ. 2023-01-25T03:30:09.63 0.6 undecidable manual P 25 507.6141 38 0.51 12
IV.SSY.HHZ. 2023-01-25T03:30:08.74 0.6 undecidable manual S 18 268.3314 38 0.1 22
IV.HAVL.HHZ. 2023-01-25T03:30:04.49 0.6 undecidable manual S 20 248.9619 38 0.01 27
IV.HMDC.HHZ. 2023-01-25T03:30:02.22 0.6 undecidable manual S 13 239.982 38 -0.32 28
IV.PLAC.HHZ. 2023-01-25T03:30:01.98 0.6 undecidable manual P 26 447.4188 38 0.36 13
IV.HPAC.HHZ. 2023-01-25T03:29:59.00 0.6 undecidable manual S 21 220.3128 38 0.7 28
IV.SICLA.EHZ. 2023-01-25T03:29:56.42 0.6 undecidable manual P 20 401.9976 38 0.46 13
IV.IVPL.HHZ. 2023-01-25T03:29:55.88 0.3 undecidable manual P 10 397.3023 38 0.5 20
IV.MSRU.HHZ. 2023-01-25T03:29:55.99 0.6 undecidable manual P 17 396.8028 38 0.67 12
IV.SOI.EHZ. 2023-01-25T03:29:55.22 0.3 undecidable manual P 25 395.1045 38 0.11 22
IV.MPNC.HHZ. 2023-01-25T03:29:53.80 1.0 undecidable manual P 16 380.3304 38 0.53 7
IV.MUCR.HHZ. 2023-01-25T03:29:51.08 0.6 undecidable manual P 10 359.2737 38 0.43 14
IV.GIB.HHZ. 2023-01-25T03:29:50.12 0.3 undecidable manual P 358 347.7852 38 0.9 18
IV.MSFR.HHZ. 2023-01-25T03:29:50.99 0.6 undecidable manual P 6 354.5784 38 0.92 12
IV.AIO.HHZ. 2023-01-25T03:29:50.98 0.6 undecidable manual P 15 358.6743 38 0.4 14
IV.SOLUN.HHZ. 2023-01-25T03:29:50.68 0.3 undecidable manual P 351 363.0588 38 -0.45 21
IV.CSLB.HHZ. 2023-01-25T03:29:49.37 0.6 undecidable manual P 359 341.8023 38 0.89 12
IV.MBFT.HHZ. 2023-01-25T03:29:49.72 0.3 undecidable manual P 343 359.0739 38 -0.9 18
IV.CIMI.HHZ. 2023-01-25T03:29:48.54 0.6 undecidable manual P 351 339.5046 38 0.35 14
IV.CORL.HHZ. 2023-01-25T03:29:48.43 0.6 undecidable manual P 348 345.3987 38 -0.49 14
IV.LINA.HHZ. 2023-01-25T03:29:45.28 0.6 undecidable manual S 314 162.0156 50 0.23 43
IV.ESML.HHZ. 2023-01-25T03:29:45.22 0.6 undecidable manual P 12 313.1532 38 0.31 15
IV.CMDO.HHZ. 2023-01-25T03:29:43.95 0.6 undecidable manual P 354 290.6868 38 1.83 8
IV.LPDG.HHZ. 2023-01-25T03:29:43.58 0.6 undecidable manual S 298 156.2214 50 0.08 46
IV.CPTP.HHZ. 2023-01-25T03:29:42.17 0.3 undecidable manual P 0 282.9057 38 1.02 22
IV.AGST.EHZ. 2023-01-25T03:29:41.51 0.3 undecidable manual P 20 283.1055 38 0.34 28
IV.HCRL.HHZ. 2023-01-25T03:29:40.52 0.3 undecidable manual P 16 280.5081 38 -0.33 29
IV.HLNI.HHZ. 2023-01-25T03:29:40.64 0.3 undecidable manual P 13 283.8048 38 -0.62 25
IV.SSY.HHZ. 2023-01-25T03:29:39.10 0.3 undecidable manual P 18 268.3314 38 -0.23 33
IV.RAFF.HHZ. 2023-01-25T03:29:38.11 0.3 undecidable manual P 4 263.0367 38 -0.57 32
IV.HVZN.HHZ. 2023-01-25T03:29:38.27 0.6 undecidable manual P 11 262.4373 38 -0.33 23
IV.CLTA.HHZ. 2023-01-25T03:29:37.62 0.6 undecidable manual P 356 255.855 38 -0.16 25
ML.XLND.BHZ. 2023-01-25T03:29:36.09 0.6 undecidable manual S 3 130.5693 50 -0.54 46
IV.HAVL.HHZ. 2023-01-25T03:29:36.17 0.3 undecidable manual P 20 248.9619 38 -0.76 33
IV.HMDC.HHZ. 2023-01-25T03:29:35.28 0.3 undecidable manual P 13 239.982 38 -0.53 39
ML.MSDA.BHZ. 2023-01-25T03:29:33.90 0.6 undecidable manual S 14 119.6913 50 0.17 50
IV.HPAC.HHZ. 2023-01-25T03:29:33.02 0.3 undecidable manual P 21 220.3128 38 -0.34 47
IV.CROCE.HHZ. 2023-01-25T03:29:32.88 0.3 undecidable manual P 9 221.8113 38 -0.67 42
IV.LINA.HHZ. 2023-01-25T03:29:25.45 0.3 undecidable manual P 314 162.0156 50 -0.26 66
IV.LPDG.HHZ. 2023-01-25T03:29:24.86 0.3 undecidable manual P 298 156.2214 50 0.04 70
ML.XLND.BHZ. 2023-01-25T03:29:21.14 0.3 undecidable manual P 3 130.5693 50 0.29 72
ML.MSDA.BHZ. 2023-01-25T03:29:19.38 0.1 undecidable manual P 14 119.6913 50 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LINA.HHE. ML:3.8 0.002744835 0.56 AML other m 2023-01-25T03:29:49.97
IV.LINA.HHN. ML:3.6 0.001866568 1.12 AML other m 2023-01-25T03:29:50.58
IV.CROCE.HHN. ML:3.8 0.0016016300000000002 0.7808 AML other m 2023-01-25T03:29:58.44
IV.CROCE.HHE. ML:3.8 0.0016507540000000002 0.72 AML other m 2023-01-25T03:30:03.80
IV.HPAC.HHE. ML:4.5 0.007904999999999999 1.12 AML other m 2023-01-25T03:30:17.93
IV.HMDC.HHN. ML:4.4 0.004705 1.02 AML other m 2023-01-25T03:30:18.69
IV.HMDC.HNN. ML:4.3 0.0045 1.04 AML other m 2023-01-25T03:30:18.70
IV.RAFF.HHN. ML:4.1 0.00198 1.24 AML other m 2023-01-25T03:30:20.80
IV.HPAC.HHN. ML:4.5 0.007495 1.24 AML other m 2023-01-25T03:30:21.23
IV.HAVL.HHE. ML:4.2 0.0029000000000000002 0.86 AML other m 2023-01-25T03:30:22.69
IV.HVZN.HHN. ML:4.3 0.0037099999999999998 0.68 AML other m 2023-01-25T03:30:22.06
IV.RAFF.HHE. ML:4.1 0.0022949999999999997 0.64 AML other m 2023-01-25T03:30:23.99
IV.HLNI.HHE. ML:4.0 0.0015300000000000001 1.22 AML other m 2023-01-25T03:30:23.32
IV.HAVL.HHN. ML:4.3 0.003605 1.44 AML other m 2023-01-25T03:30:25.82
IV.CLTA.HHE. ML:3.8 0.0010825 0.82 AML other m 2023-01-25T03:30:28.55
IV.SSY.HHN. ML:4.9 0.013699999999999999 1.02 AML other m 2023-01-25T03:30:29.77
IV.SSY.HNE. ML:4.4 0.00457 1.1 AML other m 2023-01-25T03:30:29.78
IV.MBFT.HHE. ML:3.3 0.0001725 0.92 AML other m 2023-01-25T03:30:30.39
IV.CLTA.HHN. ML:3.7 0.0008935 0.8 AML other m 2023-01-25T03:30:30.02
IV.HVZN.HHE. ML:4.4 0.004375 1.1 AML other m 2023-01-25T03:30:32.64
IV.HVZN.HNE. ML:4.4 0.004295 1.1 AML other m 2023-01-25T03:30:32.65
IV.AGST.EHE. ML:4.2 0.002525 0.42 AML other m 2023-01-25T03:30:32.66
IV.HMDC.HHE. ML:3.6 0.0007875000000000001 0.8 AML other m 2023-01-25T03:30:32.51
IV.HMDC.HNE. ML:4.2 0.003375 0.78 AML other m 2023-01-25T03:30:32.91
IV.SSY.HNN. ML:4.3 0.003395 0.7 AML other m 2023-01-25T03:30:32.33
IV.SSY.HHE. ML:4.8 0.011175000000000001 0.78 AML other m 2023-01-25T03:30:33.30
IV.CIMI.HHE. ML:3.9 0.0007145000000000001 0.66 AML other m 2023-01-25T03:30:33.98
IV.SOLUN.HHN. ML:3.8 0.0005290000000000001 1.04 AML other m 2023-01-25T03:30:34.23
IV.MBFT.HHN. ML:3.4 0.000185 0.88 AML other m 2023-01-25T03:30:35.21
IV.SOI.EHE. ML:3.8 0.00033299999999999996 0.78 AML other m 2023-01-25T03:30:36.23
IV.AGST.EHN. ML:4.4 0.003565 1.04 AML other m 2023-01-25T03:30:37.60
IV.HCRL.HHE. ML:4.2 0.00233 0.74 AML other m 2023-01-25T03:30:37.40
IV.MSRU.HHN. ML:4.1 0.0007875 1.14 AML other m 2023-01-25T03:30:39.71
IV.HCRL.HHN. ML:4.2 0.0022400000000000002 0.82 AML other m 2023-01-25T03:30:39.84
IV.CIMI.HHN. ML:4.1 0.0010699999999999998 1.38 AML other m 2023-01-25T03:30:39.06
IV.CIMI.HNN. ML:4.1 0.00106 1.38 AML other m 2023-01-25T03:30:39.07
IV.HLNI.HHN. ML:4.1 0.001685 1.1 AML other m 2023-01-25T03:30:42.70
IV.CMDO.HHE. ML:3.8 0.00092 1.36 AML other m 2023-01-25T03:30:43.07
IV.HVZN.HNN. ML:4.3 0.003575 0.86 AML other m 2023-01-25T03:30:44.09
IV.CIMI.HNE. ML:3.9 0.0007050000000000001 1.18 AML other m 2023-01-25T03:30:44.88
IV.CSLB.HNE. ML:3.7 0.000433 1.24 AML other m 2023-01-25T03:30:50.14
IV.CSLB.HHE. ML:3.7 0.0004265 1.24 AML other m 2023-01-25T03:30:50.77
IV.ESML.HHE. ML:4.0 0.0011345 0.94 AML other m 2023-01-25T03:30:50.64
IV.ESML.HNE. ML:4.0 0.0012250000000000002 0.98 AML other m 2023-01-25T03:30:50.68
IV.CSLB.HHN. ML:3.6 0.000341 1.1 AML other m 2023-01-25T03:30:50.03
IV.CSLB.HNN. ML:3.6 0.00034599999999999995 1.1 AML other m 2023-01-25T03:30:50.03
IV.CMDO.HNN. ML:3.8 0.0009099999999999999 0.84 AML other m 2023-01-25T03:30:51.52
IV.CMDO.HHN. ML:3.8 0.0009035 0.82 AML other m 2023-01-25T03:30:51.52
IV.ESML.HHN. ML:4.0 0.00113 0.9 AML other m 2023-01-25T03:30:51.75
IV.ESML.HNN. ML:4.1 0.001305 0.84 AML other m 2023-01-25T03:30:51.35
IV.MUCR.HHE. ML:4.0 0.0007455000000000001 0.96 AML other m 2023-01-25T03:30:51.06
IV.CMDO.HNE. ML:3.8 0.0009225000000000001 1.08 AML other m 2023-01-25T03:30:52.65
IV.PLAC.HNE. ML:3.7 0.00019250000000000002 0.96 AML other m 2023-01-25T03:30:53.18
IV.GIB.HHE. ML:4.3 0.00156 0.86 AML other m 2023-01-25T03:30:53.16
IV.CORL.HHN. ML:3.8 0.0005785 1.18 AML other m 2023-01-25T03:30:57.77
IV.CORL.HNN. ML:3.8 0.0005974999999999999 1.14 AML other m 2023-01-25T03:30:57.76
IV.MSFR.HHE. ML:3.8 0.0005145 0.86 AML other m 2023-01-25T03:30:58.57
IV.MPNC.HHN. ML:4.3 0.001355 0.84 AML other m 2023-01-25T03:30:59.36
IV.PLAC.HHE. ML:3.7 0.00019250000000000002 1.28 AML other m 2023-01-25T03:31:02.64
IV.GIB.HHN. ML:4.2 0.00128 1.04 AML other m 2023-01-25T03:31:02.09
IV.SICLA.EHE. ML:4.1 0.0006775 0.96 AML other m 2023-01-25T03:31:02.98
IV.MSFR.HHN. ML:3.8 0.000482 1.02 AML other m 2023-01-25T03:31:04.51
IV.CORL.HHE. ML:3.7 0.0004805 1.26 AML other m 2023-01-25T03:31:04.98
IV.CORL.HNE. ML:3.8 0.00048249999999999996 1.26 AML other m 2023-01-25T03:31:04.98
IV.MUCR.HHN. ML:4.0 0.000837 0.66 AML other m 2023-01-25T03:31:05.32
IV.SOLUN.HHE. ML:4.0 0.0008240000000000001 1.06 AML other m 2023-01-25T03:31:05.44
IV.SOI.EHN. ML:3.6 0.0002605 1.22 AML other m 2023-01-25T03:31:06.65
IV.PLAC.HHN. ML:3.7 0.0002255 0.72 AML other m 2023-01-25T03:31:06.18
IV.PLAC.HNN. ML:3.8 0.000257 0.74 AML other m 2023-01-25T03:31:06.19
IV.MPNC.HHE. ML:4.2 0.001028 0.76 AML other m 2023-01-25T03:31:06.51
IV.MSRU.HHE. ML:4.2 0.000986 1.18 AML other m 2023-01-25T03:31:11.07
IV.IVPL.HNE. ML:4.2 0.000968 0.82 AML other m 2023-01-25T03:31:12.05
IV.IVPL.HHE. ML:4.2 0.001008 0.86 AML other m 2023-01-25T03:31:12.06
IV.IVPL.HNN. ML:4.2 0.0010699999999999998 0.94 AML other m 2023-01-25T03:31:12.76
IV.IVPL.HHN. ML:4.3 0.0011200000000000001 0.92 AML other m 2023-01-25T03:31:12.77
IV.SICLA.EHN. ML:3.8 0.00035099999999999997 0.9 AML other m 2023-01-25T03:31:17.79
IV.SPS2.HHE. ML:3.3 0.000045400000000000006 1.14 AML other m 2023-01-25T03:31:29.62
IV.SPS2.HHN. ML:3.4 0.00006319999999999999 0.94 AML other m 2023-01-25T03:31:34.09
IV.CELI.HNN. ML:3.7 0.00009939999999999999 1.58 AML other m 2023-01-25T03:31:35.13
IV.CAR1.HNE. ML:4.0 0.000225 1.26 AML other m 2023-01-25T03:31:36.05
IV.CAR1.HHE. ML:3.9 0.000194 1.24 AML other m 2023-01-25T03:31:36.05
IV.CAR1.HHN. ML:3.9 0.00021349999999999999 1.26 AML other m 2023-01-25T03:31:36.69
IV.CELI.HNE. ML:3.7 0.00010545 1.28 AML other m 2023-01-25T03:31:37.98
IV.CAR1.HNN. ML:4.0 0.000224 1.18 AML other m 2023-01-25T03:31:42.89
IV.CELI.HHN. ML:3.7 0.00010139999999999998 0.42 AML other m 2023-01-25T03:31:45.16
IV.CELI.HHE. ML:3.6 0.0000975 0.42 AML other m 2023-01-25T03:31:45.70
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