Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.8 on date 25-01-2023 and time 06:44:06 (UTC) in region Malta [Sea]

A magnitude ML 3.8 earthquake occured in region: Malta [Sea], on

  • 25-01-2023 06:44:06 (UTC)
  • 25-01-2023 07:44:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9560, 14.1900 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.

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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
Reviewed
Rev100 		ML 3.8 2023-01-25
06:44:06		 34.9565 14.1905 10 2023-01-25
07:09:33		 Sala Sismica INGV-Roma 113775541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 06:44:06 ± 0.74
Latitude 34.9565 ± 0.0513
Longitude 14.1905 ± 0.0614
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113775541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6940
Semi-minor axis of confidence ellipse (meter) 4020
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 6940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 317
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.45519
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 19
Magnitude information

ML:3.8

Field Value
Value 3.8
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 113775541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 07:09:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SOI.EHZ. 2023-01-25T06:45:41.56 1.0 undecidable manual S 25 3.4552 38 0.66 16
IV.CDRU.HHZ. 2023-01-25T06:45:36.09 3.0 undecidable manual Pn 4.84 0
IV.SALB.HHZ. 2023-01-25T06:45:27.36 3.0 undecidable manual Pn 1.81 0
IV.HLNI.HHZ. 2023-01-25T06:45:16.08 0.6 undecidable manual S 13 2.4525 38 -0.83 52
IV.CAR1.HHZ. 2023-01-25T06:45:16.86 3.0 negative manual Pn -0.1 0
IV.RAFF.HHZ. 2023-01-25T06:45:13.18 1.0 undecidable manual S 3 2.2690 38 0.67 30
IV.SPS2.HHZ. 2023-01-25T06:45:12.08 3.0 positive manual Pn -5.79 0
IV.HAVL.HHZ. 2023-01-25T06:45:08.77 1.0 undecidable manual S 20 2.1386 38 -0.63 32
IV.PLAC.HHZ. 2023-01-25T06:45:07.56 3.0 undecidable manual Pn 0.18 0
IV.HPAC.HHZ. 2023-01-25T06:45:03.60 0.6 undecidable manual S 21 1.8805 38 0.39 77
IV.SOI.EHZ. 2023-01-25T06:45:00.98 0.3 undecidable manual P 25 3.4552 38 0 55
IV.MSFR.HHZ. 2023-01-25T06:44:57.21 0.6 positive manual P 6 3.0919 38 1.24 31
IV.MUCR.HHZ. 2023-01-25T06:44:57.25 0.3 undecidable manual P 10 3.1332 38 0.72 57
IV.SOLUN.HHZ. 2023-01-25T06:44:56.73 0.1 undecidable manual P 351 3.1782 38 -0.42 82
IV.GIB.HHZ. 2023-01-25T06:44:55.86 0.6 negative manual P 358 3.0343 38 0.69 41
IV.MBFT.HHZ. 2023-01-25T06:44:55.86 0.6 negative manual P 342 3.1494 38 -0.9 35
IV.PLLN.EHZ. 2023-01-25T06:44:55.76 0.6 undecidable manual P 359 3.0343 38 0.59 43
IV.CSLB.HHZ. 2023-01-25T06:44:54.88 0.3 undecidable manual P 358 2.9813 38 0.45 69
IV.CIMI.HHZ. 2023-01-25T06:44:54.31 0.6 undecidable manual P 351 2.9651 38 0.1 50
IV.EPZF.HHZ. 2023-01-25T06:44:54.62 1.0 undecidable manual P 10 2.9156 38 1.1 18
IV.CORL.HHZ. 2023-01-25T06:44:54.82 0.6 undecidable manual P 347 3.0217 38 -0.17 48
IV.GALF.HHZ. 2023-01-25T06:44:51.56 0.6 undecidable manual P 6 2.7690 38 0.06 56
IV.CMDO.HHZ. 2023-01-25T06:44:49.73 0.6 undecidable manual P 353 2.5235 38 1.62 33
IV.HLNI.HHZ. 2023-01-25T06:44:46.40 0.6 negative manual P 13 2.4525 38 -0.74 54
IV.SSY.HHZ. 2023-01-25T06:44:44.94 0.3 undecidable manual P 18 2.3122 38 -0.26 100
IV.RAFF.HHZ. 2023-01-25T06:44:43.78 0.3 undecidable manual P 3 2.2690 38 -0.81 85
IV.CLTA.HHZ. 2023-01-25T06:44:43.44 0.6 undecidable manual P 355 2.2078 38 -0.31 69
IV.HAVL.HHZ. 2023-01-25T06:44:41.45 0.3 undecidable manual P 20 2.1386 38 -1.35 69
IV.HPAC.HHZ. 2023-01-25T06:44:40.05 0.3 undecidable manual P 21 1.8805 38 0.82 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HNN. ML:4.3 0.00329 1.02 AML other m 2023-01-25T06:45:27.09
IV.HAVL.HHE. ML:4.1 0.0029300000000000003 1.02 AML other m 2023-01-25T06:45:27.98
IV.HLNI.HHE. ML:3.9 0.0013399999999999998 0.78 AML other m 2023-01-25T06:45:29.26
IV.SSY.HHE. ML:4.8 0.010004999999999998 0.92 AML other m 2023-01-25T06:45:30.92
IV.SSY.HNE. ML:4.4 0.004095 1.08 AML other m 2023-01-25T06:45:31.87
IV.RAFF.HHN. ML:3.9 0.00138 0.84 AML other m 2023-01-25T06:45:31.38
IV.HAVL.HHN. ML:4.1 0.0027300000000000002 1.36 AML other m 2023-01-25T06:45:31.14
IV.CLTA.HHN. ML:3.5 0.000674 1 AML other m 2023-01-25T06:45:35.79
IV.SSY.HHN. ML:4.8 0.011 0.48 AML other m 2023-01-25T06:45:35.41
IV.SOLUN.HHE. ML:3.8 0.00047050000000000005 0.72 AML other m 2023-01-25T06:45:37.94
IV.PLLN.EHN. ML:4.2 0.0013900000000000002 1.02 AML other m 2023-01-25T06:45:39.21
IV.MBFT.HHE. ML:3.2 0.00011800000000000001 0.6 AML other m 2023-01-25T06:45:39.34
IV.MBFT.HHN. ML:3.0 0.00008385 1.16 AML other m 2023-01-25T06:45:41.91
IV.GALF.HNN. ML:3.4 0.000279 1.36 AML other m 2023-01-25T06:45:42.75
IV.RAFF.HHE. ML:3.9 0.0015249999999999999 1.18 AML other m 2023-01-25T06:45:46.74
IV.HLNI.HHN. ML:3.9 0.001295 1 AML other m 2023-01-25T06:45:47.18
IV.CORL.HHN. ML:3.6 0.000332 0.88 AML other m 2023-01-25T06:45:48.43
IV.CORL.HNN. ML:3.6 0.0003445 0.88 AML other m 2023-01-25T06:45:48.43
IV.CMDO.HHE. ML:3.7 0.0007894999999999999 0.42 AML other m 2023-01-25T06:45:49.84
IV.CLTA.HHE. ML:3.7 0.000966 1.38 AML other m 2023-01-25T06:45:50.84
IV.CIMI.HHN. ML:3.6 0.00044099999999999993 1.28 AML other m 2023-01-25T06:45:51.83
IV.GIB.HHE. ML:4.0 0.000959 0.84 AML other m 2023-01-25T06:45:53.55
IV.CMDO.HHN. ML:3.5 0.0005434999999999999 0.72 AML other m 2023-01-25T06:45:55.19
IV.CMDO.HNN. ML:3.6 0.0005589999999999999 0.72 AML other m 2023-01-25T06:45:55.21
IV.SOLUN.HHN. ML:3.6 0.000334 0.84 AML other m 2023-01-25T06:45:56.01
IV.CSLB.HHE. ML:3.4 0.0002665 1 AML other m 2023-01-25T06:45:56.54
IV.GALF.HNE. ML:3.3 0.0002565 1.26 AML other m 2023-01-25T06:45:56.34
IV.GALF.HHE. ML:4.2 0.00175 0.66 AML other m 2023-01-25T06:45:56.36
IV.CSLB.HHN. ML:3.4 0.0002715 1.24 AML other m 2023-01-25T06:45:57.94
IV.CSLB.HNE. ML:3.5 0.000273 1.08 AML other m 2023-01-25T06:45:57.82
IV.MUCR.HHE. ML:3.8 0.0006319999999999999 0.7 AML other m 2023-01-25T06:46:00.02
IV.CIMI.HNN. ML:4.1 0.001163 1.26 AML other m 2023-01-25T06:46:01.79
IV.PLLN.EHE. ML:4.1 0.001101 0.86 AML other m 2023-01-25T06:46:02.47
IV.GALF.HHN. ML:4.2 0.0017349999999999998 1.12 AML other m 2023-01-25T06:46:03.11
IV.CIMI.HNE. ML:3.9 0.000885 1.54 AML other m 2023-01-25T06:46:03.17
IV.MSFR.HHE. ML:3.6 0.00034950000000000004 0.6 AML other m 2023-01-25T06:46:04.34
IV.MSFR.HHN. ML:3.7 0.0004825 0.8 AML other m 2023-01-25T06:46:05.18
IV.EPZF.HHE. ML:4.0 0.0011749999999999998 0.8 AML other m 2023-01-25T06:46:06.28
IV.EPZF.HHN. ML:4.1 0.0013974999999999999 0.42 AML other m 2023-01-25T06:46:07.24
IV.GIB.HHN. ML:4.0 0.0009645 1.04 AML other m 2023-01-25T06:46:11.62
IV.MUCR.HHN. ML:3.8 0.000598 0.74 AML other m 2023-01-25T06:46:11.14
1J.FX14.HHE.00 ML:3.4 0.000191 0.42 AML other m 2023-01-25T06:46:14.53
IV.CMDO.HNE. ML:3.7 0.0008035 0.46 AML other m 2023-01-25T06:46:16.62
IV.CSLB.HNN. ML:3.5 0.00027449999999999995 0.96 AML other m 2023-01-25T06:46:23.16
1J.FX14.HHN.00 ML:3.1 0.0000979 0.42 AML other m 2023-01-25T06:46:24.42
IV.CIMI.HHE. ML:0.0 0.000461 0.76 AML other m 2023-01-25T06:46:26.18
IV.CORL.HNE. ML:0.0 0.0003525 1.14 AML other m 2023-01-25T06:46:28.11
IV.CORL.HHE. ML:0.0 0.00033850000000000004 1.1 AML other m 2023-01-25T06:46:28.13
IV.HPAC.HHE. ML:4.4 0.0070857935 0.9792 AML other m 2023-01-25T06:45:23.75
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