Earthquake with magnitude of ML 3.4 on date 23-01-2023 and time 15:28:02 (UTC) in region Malta [Sea]

A magnitude ML 3.4 earthquake occured in region: Malta [Sea], on

  • 23-01-2023 15:28:02 (UTC)
  • 23-01-2023 16:28:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9130, 14.2430 at 10 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.

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 3.4 2023-01-23
15:28:02
34.9132 14.2428 10 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 115886081
Reviewed
Rev100
ML 3.5 2023-01-23
15:28:01
34.7828 14.2008 10 2023-01-23
15:45:48
Sala Sismica INGV-Roma 113745191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-23 15:28:02 ± 0.45
Latitude 34.9132 ± 0.0288
Longitude 14.2428 ± 0.0548
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115886081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5030
Semi-minor axis of confidence ellipse (meter) 3100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 5030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 318
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.54333
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 115886081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-07 14:27:11

ML:3.5

Field Value
Value 3.5
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 113745191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-23 15:45:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2023-01-23T15:30:02.33 3.0 undecidable manual Sn 1.2 0
IV.SPS2.HHZ. 2023-01-23T15:29:48.18 3.0 undecidable manual Sg 3.2 0
IV.CAR1.HHZ. 2023-01-23T15:29:13.05 3.0 negative manual Pn 0.11 0
IV.RAFF.HHZ. 2023-01-23T15:29:09.00 0.3 undecidable manual S 2 256.4544 38 -0.11 77
IV.HVZN.HHZ. 2023-01-23T15:29:08.00 0.3 undecidable manual S 9 254.856 38 -0.77 64
IV.PLAC.HHZ. 2023-01-23T15:29:04.02 3.0 positive manual Pn -3.62 0
IV.HMDC.HNN. 2023-01-23T15:29:04.71 0.3 undecidable manual S 12 232.0899 38 0.84 67
IV.HVIT.HHZ. 2023-01-23T15:29:03.85 0.3 undecidable manual S 6 231.99 38 -0.01 85
IV.CROCE.HHE. 2023-01-23T15:29:00.14 0.6 undecidable manual S 7 214.5186 38 0.05 60
IV.SICLA.EHZ. 2023-01-23T15:28:58.50 0.1 undecidable manual P 19 393.3063 38 0.68 44
IV.MSRU.HHZ. 2023-01-23T15:28:58.00 0.6 undecidable manual P 16 388.4223 38 0.79 22
IY.CNDF.HHN. 2023-01-23T15:28:55.38 0.6 undecidable manual P 22 371.85 38 0.24 29
IV.MPAZ.HHZ. 2023-01-23T15:28:55.73 0.6 undecidable manual P 24 372.1497 38 0.55 27
IV.MPNC.HHZ. 2023-01-23T15:28:55.82 0.6 undecidable manual P 15 372.0498 38 0.65 26
IV.LIBRI.HHN. 2023-01-23T15:28:53.67 0.6 undecidable manual P 10 356.976 38 0.38 31
IV.MSFR.HHZ. 2023-01-23T15:28:53.22 0.1 undecidable manual P 5 347.5854 38 1.09 49
IV.AIO.HHE. 2023-01-23T15:28:52.98 0.3 undecidable manual P 14 350.5824 38 0.48 46
IV.GIB.HHE. 2023-01-23T15:28:52.20 0.1 undecidable manual P 357 341.9022 38 0.78 58
IV.MUCR.HHE. 2023-01-23T15:28:52.93 0.3 undecidable manual P 9 351.6813 38 0.29 48
IV.SOLUN.HHE. 2023-01-23T15:28:52.87 0.1 undecidable manual P 350 358.2747 38 -0.59 57
IV.PLLN.EHZ. 2023-01-23T15:28:52.36 0.3 undecidable manual P 359 341.7024 38 0.96 40
IV.CORL.HHZ. 2023-01-23T15:28:51.35 0.1 undecidable manual P 346 341.2029 38 0.02 72
IV.EPZF.HHZ. 2023-01-23T15:28:51.15 0.6 undecidable manual P 9 327.5277 38 1.52 21
IV.MBFT.HHN. 2023-01-23T15:28:51.90 0.6 undecidable manual P 342 355.5774 38 -1.23 22
IV.CSLB.HHZ. 2023-01-23T15:28:51.16 0.6 undecidable manual P 357 335.9082 38 0.49 33
IV.CIMI.HHZ. 2023-01-23T15:28:50.81 0.6 undecidable manual P 350 334.7094 38 0.29 35
IV.ALJA.HHZ. 2023-01-23T15:28:48.94 0.6 undecidable manual P 352 317.6376 38 0.54 36
IV.GALF.HHZ. 2023-01-23T15:28:48.39 1.0 undecidable manual P 5 311.6547 38 0.73 17
IV.MCT.HHN. 2023-01-23T15:28:48.33 0.1 undecidable manual P 349 305.4609 38 1.44 50
IV.HAGA.HHZ. 2023-01-23T15:28:42.48 0.3 undecidable manual P 17 275.5131 38 -0.68 61
IV.HLNI.HHZ. 2023-01-23T15:28:42.55 0.1 undecidable manual P 12 276.0126 38 -0.67 82
IV.HCRL.HHN. 2023-01-23T15:28:42.32 0.6 undecidable manual P 15 272.2275 38 -0.43 45
IV.SSY.HNN. 2023-01-23T15:28:41.73 0.3 undecidable manual P 16 259.9398 38 0.51 69
IV.HVZN.HHZ. 2023-01-23T15:28:40.53 0.6 undecidable manual P 9 254.856 38 -0.05 52
IV.RAFF.HHZ. 2023-01-23T15:28:40.16 0.1 undecidable manual P 2 256.4544 38 -0.62 90
IV.HSRS.HNN. 2023-01-23T15:28:40.99 0.6 undecidable manual P 20 257.2536 38 0.1 51
IV.CLTA.HHN. 2023-01-23T15:28:39.45 0.1 undecidable manual P 354 250.2606 38 -0.57 94
IV.HAVL.HHN. 2023-01-23T15:28:38.01 0.1 undecidable manual P 19 240.3816 38 -0.77 89
IV.HMDC.HNN. 2023-01-23T15:28:37.15 0.6 undecidable manual P 12 232.0899 38 -0.61 49
IV.HVIT.HHZ. 2023-01-23T15:28:36.72 0.6 undecidable manual P 6 231.99 38 -1.03 41
IV.HPAC.HHE. 2023-01-23T15:28:35.62 0.6 undecidable manual P 20 211.6326 38 0.42 56
IV.CROCE.HHE. 2023-01-23T15:28:34.86 0.1 undecidable manual P 7 214.5186 38 -0.71 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HHE. ML:3.4 0.0004685069 0.448 AML other m 2023-01-23T15:28:50.02
IV.CIMI.HHE. ML:3.4 0.00021400000000000002 0.6 AML other m 2023-01-23T15:28:52.30
IV.CSLB.HHN. ML:3.0 0.0000916 1.54 AML other m 2023-01-23T15:28:54.00
IV.CIMI.HHN. ML:3.3 0.0002025 0.62 AML other m 2023-01-23T15:28:54.34
IV.EPZF.HHN. ML:3.4 0.00027949999999999996 0.6 AML other m 2023-01-23T15:28:55.40
IV.HVZN.HHN. ML:3.3 0.00038398535 0.4224 AML other m 2023-01-23T15:28:55.70
IV.PLLN.EHN. ML:3.6 0.0003685 0.36 AML other m 2023-01-23T15:28:57.41
IV.CSLB.HHE. ML:2.9 0.00007545 0.38 AML other m 2023-01-23T15:28:57.41
IV.PLLN.EHE. ML:3.4 0.0002385 0.52 AML other m 2023-01-23T15:28:57.53
IV.EPZF.HHE. ML:3.4 0.0002325 0.58 AML other m 2023-01-23T15:28:58.86
IV.MPNC.HHN. ML:3.6 0.0002635 0.44 AML other m 2023-01-23T15:29:09.53
IV.MPNC.HHE. ML:3.7 0.0003735 0.58 AML other m 2023-01-23T15:29:10.42
IV.HLNI.HHE. ML:3.2 0.00022915889999999999 0.576 AML other m 2023-01-23T15:29:13.70
IV.HLNI.HHN. ML:3.2 0.00025407895 0.6272 AML other m 2023-01-23T15:29:17.86
IV.MSRU.HHN. ML:3.5 0.00020950000000000002 1.18 AML other m 2023-01-23T15:29:41.91
IV.MSRU.HHE. ML:3.7 0.00031800000000000003 1.02 AML other m 2023-01-23T15:29:41.37
IV.PLAC.HHE. ML:3.2 0.00006975841 0.6016 AML other m 2023-01-23T15:29:57.48
IV.CAR1.HHN. ML:3.5 0.00008054741500000001 0.6656 AML other m 2023-01-23T15:30:15.90
IV.CAR1.HHE. ML:3.6 0.0001074 0.46 AML other m 2023-01-23T15:30:16.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download