Earthquake with magnitude of ML 3.5 on date 01-02-2023 and time 18:54:03 (Italy) in region Malta [Sea]

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

  • 01-02-2023 17:54:03 (UTC)
  • 01-02-2023 18:54:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8220, 14.5870 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 2023-02-01
17:54:03
34.822 14.5872 10 2023-02-01
18:21:27
Sala Sismica INGV-Roma 113962691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 17:54:03 ± 0.42
Latitude 34.8220 ± 0.0225
Longitude 14.5872 ± 0.0274
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113962691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2820
Semi-minor axis of confidence ellipse (meter) 2160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 2820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 283
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.53519
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 11
Magnitude information

ML:3.5

Field Value
Value 3.5
Uncertainty 0.2
Num. used stations 42
Type of magnitude ML
Reference to an origin 113962691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-01 18:21:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TDS.HHZ. 2023-02-01T17:56:17.36 3.0 undecidable manual Sg -0.1 0
IV.FIAM.HHZ. 2023-02-01T17:56:07.57 3.0 positive manual Pg 13.23 0
IV.MMO1.EHZ. 2023-02-01T17:56:01.72 3.0 negative manual Pn -0.92 0
IV.VVLD.HHZ. 2023-02-01T17:55:52.93 3.0 positive manual Pn 4.66 0
IV.MCRV.HHZ. 2023-02-01T17:55:35.33 3.0 undecidable manual Pn 1.99 0
IV.CAR1.HHZ. 2023-02-01T17:55:14.85 3.0 negative manual Pn -0.38 0
IV.PLAC.HHZ. 2023-02-01T17:55:06.41 3.0 negative manual Pn 0.37 0
IV.CROCE.HHE. 2023-02-01T17:55:02.05 0.6 undecidable manual S 359 2.0100 38 -0.89 27
IV.IVPL.HHZ. 2023-02-01T17:55:00.41 3.0 negative manual Pn 0.06 0
IV.MSRU.HHZ. 2023-02-01T17:55:00.36 3.0 negative manual Pn 0.35 0
IV.SOI.EHZ. 2023-02-01T17:54:59.23 3.0 negative manual Pn -0.36 0
IV.MPNC.HHZ. 2023-02-01T17:54:58.42 3.0 positive manual Pn 0.4 0
IV.LPDG.HHE. 2023-02-01T17:54:57.01 1.0 undecidable manual S 294 1.7438 38 0.44 19
IV.LINA.HHE. 2023-02-01T17:54:56.99 0.6 undecidable manual S 307 1.7537 38 0.18 40
IV.AIO.HHZ. 2023-02-01T17:54:55.43 3.0 negative manual Pn 0.05 0
IV.MUCR.HHZ. 2023-02-01T17:54:55.74 3.0 negative manual Pn 0.07 0
IV.PLLN.EHZ. 2023-02-01T17:54:55.47 3.0 negative manual Pg 0.63 0
IV.GIB.HHZ. 2023-02-01T17:54:55.80 3.0 negative manual Pg 0.86 0
IV.CORL.HHZ. 2023-02-01T17:54:54.09 3.0 positive manual Pn -1.34 0
IV.CSLB.HHZ. 2023-02-01T17:54:54.07 3.0 positive manual Pn -0.11 0
IV.EPZF.HHZ. 2023-02-01T17:54:53.66 3.0 positive manual Pg 0.99 0
IV.GALF.HHZ. 2023-02-01T17:54:51.32 3.0 negative manual Pg 0.46 0
IV.CPTP.HHZ. 2023-02-01T17:54:47.22 3.0 undecidable manual P 0.38 0
IV.HLNI.HHZ. 2023-02-01T17:54:44.88 0.3 undecidable manual P 5 2.5352 38 -0.02 32
IV.SSY.HHZ. 2023-02-01T17:54:43.77 3.0 undecidable manual P 0
IV.RAFF.HHZ. 2023-02-01T17:54:43.03 0.6 undecidable manual P 356 2.4057 38 -0.08 24
ML.XLND.BHZ. 2023-02-01T17:54:42.58 0.3 undecidable manual S 346 1.2456 50 -0.12 77
IV.CLTA.HHZ. 2023-02-01T17:54:42.59 0.3 undecidable manual P 348 2.3886 38 -0.29 35
IV.HVZN.HHZ. 2023-02-01T17:54:42.44 0.3 undecidable manual P 2 2.3571 38 0 39
IV.HAVL.HHZ. 2023-02-01T17:54:40.89 0.6 undecidable manual P 11 2.1800 38 0.9 23
ML.MSDA.BHZ. 2023-02-01T17:54:40.78 0.6 undecidable manual S 356 1.0819 50 2.94 4
IV.HMDC.HHZ. 2023-02-01T17:54:40.01 1.0 undecidable manual P 4 2.1413 38 0.55 14
IV.CROCE.HHE. 2023-02-01T17:54:37.01 0.1 undecidable manual P 359 2.0100 38 -0.63 59
IV.LINA.HHE. 2023-02-01T17:54:34.06 0.3 undecidable manual P 307 1.7537 38 -0.04 61
IV.LPDG.HHE. 2023-02-01T17:54:33.80 0.3 undecidable manual P 294 1.7438 38 -0.16 60
ML.XLND.BHZ. 2023-02-01T17:54:25.70 0.1 undecidable manual P 346 1.2456 50 -0.26 100
ML.MSDA.BHZ. 2023-02-01T17:54:23.91 0.1 undecidable manual P 356 1.0819 50 0.76 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHN. ML:3.6 0.0007595000000000001 0.3 AML other m 2023-02-01T17:54:54.32
IV.MPNC.HHE. ML:3.7 0.00034399999999999996 0.54 AML other m 2023-02-01T17:55:12.99
IV.HAVL.HHE. ML:3.5 0.0006535 0.98 AML other m 2023-02-01T17:55:25.62
IV.CLTA.HHE. ML:3.0 0.000175 0.66 AML other m 2023-02-01T17:55:28.49
IV.CLTA.HHN. ML:3.0 0.0001585 1.4 AML other m 2023-02-01T17:55:28.92
IV.SSY.HHN. ML:4.3 0.00321 1.62 AML other m 2023-02-01T17:55:29.90
IV.HMDC.HNE. ML:3.5 0.0007199999999999999 0.56 AML other m 2023-02-01T17:55:29.10
IV.SSY.HNE. ML:3.8 0.00106 1.58 AML other m 2023-02-01T17:55:29.89
IV.HMDC.HHE. ML:2.9 0.000162 0.54 AML other m 2023-02-01T17:55:29.10
IV.HLNI.HHN. ML:3.5 0.000419 0.3 AML other m 2023-02-01T17:55:29.27
IV.HMDC.HHN. ML:3.6 0.0008045 1.26 AML other m 2023-02-01T17:55:31.75
IV.SSY.HHE. ML:4.2 0.0028399999999999996 0.78 AML other m 2023-02-01T17:55:31.88
IV.HLNI.HHE. ML:3.4 0.00036899999999999997 0.34 AML other m 2023-02-01T17:55:31.53
IV.CSLB.HHE. ML:3.1 0.000107 0.54 AML other m 2023-02-01T17:55:33.27
IV.HMDC.HNN. ML:3.6 0.0007920000000000001 0.56 AML other m 2023-02-01T17:55:33.42
IV.SSY.HNN. ML:3.8 0.0011185000000000001 0.4 AML other m 2023-02-01T17:55:34.40
IV.HVZN.HNE. ML:3.8 0.000991 0.7 AML other m 2023-02-01T17:55:34.25
IV.HVZN.HHE. ML:3.8 0.0009985 0.7 AML other m 2023-02-01T17:55:34.25
IV.HVZN.HHN. ML:3.8 0.0009625000000000001 0.84 AML other m 2023-02-01T17:55:35.78
IV.HVZN.HNN. ML:3.8 0.000954 0.84 AML other m 2023-02-01T17:55:35.78
IV.RAFF.HHN. ML:3.5 0.0005755000000000001 0.6 AML other m 2023-02-01T17:55:35.87
IV.MUCR.HHE. ML:3.2 0.0001215 0.44 AML other m 2023-02-01T17:55:35.60
IV.PLLN.EHE. ML:3.8 0.000493 0.94 AML other m 2023-02-01T17:55:35.41
IV.CORL.HHE. ML:3.3 0.00014950000000000003 0.42 AML other m 2023-02-01T17:55:37.93
IV.CORL.HHN. ML:3.2 0.0001325 0.72 AML other m 2023-02-01T17:55:40.21
IV.GALF.HHN. ML:3.7 0.0005595 0.58 AML other m 2023-02-01T17:55:40.47
IV.SOI.EHE. ML:3.2 0.0001155 1.36 AML other m 2023-02-01T17:55:40.87
IV.SOI.EHN. ML:3.2 0.00009715 0.56 AML other m 2023-02-01T17:55:42.37
IV.MPNC.HHN. ML:3.6 0.000311 1.36 AML other m 2023-02-01T17:55:42.78
IV.GIB.HHN. ML:3.6 0.00035499999999999996 0.54 AML other m 2023-02-01T17:55:43.70
IV.PLLN.EHN. ML:3.8 0.00046699999999999997 0.74 AML other m 2023-02-01T17:55:43.14
IV.MSRU.HHN. ML:3.5 0.00017999999999999998 0.3 AML other m 2023-02-01T17:55:44.37
IV.RAFF.HHE. ML:3.5 0.000486 0.82 AML other m 2023-02-01T17:55:47.07
IV.GALF.HHE. ML:3.6 0.00045400000000000003 0.88 AML other m 2023-02-01T17:55:50.32
IV.PLAC.HHN. ML:3.3 0.00010095 0.44 AML other m 2023-02-01T17:55:54.18
IV.PLAC.HHE. ML:3.4 0.000106 0.42 AML other m 2023-02-01T17:55:54.63
IV.GIB.HHE. ML:3.6 0.00036050000000000003 0.8 AML other m 2023-02-01T17:55:55.43
IV.IVPL.HNN. ML:3.6 0.00023349999999999998 0.52 AML other m 2023-02-01T17:55:55.91
IV.IVPL.HHN. ML:3.6 0.000225 0.54 AML other m 2023-02-01T17:55:55.93
IV.CSLB.HHN. ML:3.0 0.0000863 1.18 AML other m 2023-02-01T17:56:01.14
IV.MUCR.HHN. ML:3.3 0.00015554999999999999 0.54 AML other m 2023-02-01T17:56:02.31
IV.MSRU.HHE. ML:3.5 0.000184 1.44 AML other m 2023-02-01T17:56:13.06
IV.CAR1.HHN. ML:3.4 0.0000658 1.48 AML other m 2023-02-01T17:56:13.96
IV.IVPL.HNE. ML:3.7 0.000272 0.64 AML other m 2023-02-01T17:56:16.41
IV.IVPL.HHE. ML:3.6 0.0002505 0.62 AML other m 2023-02-01T17:56:16.41
IV.CAR1.HHE. ML:3.4 0.00007364999999999999 0.5 AML other m 2023-02-01T17:56:30.62
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