Earthquake with magnitude of ML 4.3 on date 21-04-2023 and time 18:13:18 (UTC) in region Malta [Sea]

A magnitude ML 4.3 earthquake occured in region: Malta [Sea], on

  • 21-04-2023 18:13:18 (UTC)
  • 21-04-2023 20:13:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 34.8340, 15.1660 at 8 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 4.3 2023-04-21
18:13:18
34.8335 15.1657 8 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125074461
Reviewed
Rev100
ML 4.3 2023-04-21
18:13:18
34.7562 15.0108 12 2023-04-21
18:34:30
Sala Sismica INGV-Roma 116580081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 18:13:18 ± 0.31
Latitude 34.8335 ± 0.0216
Longitude 15.1657 ± 0.0252
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 125074461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2820
Semi-minor axis of confidence ellipse (meter) 1730
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
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) 295
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 1.13135
Epicentral distance of station farthest from the epicenter (degree) 6.83844
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 47
Magnitudes information

ML:4.3

Field Value
Value 4.3
Uncertainty 0.3
Num. used stations 116
Type of magnitude ML
Reference to an origin 116580081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 18:34:30

ML:4.3

Field Value
Value 4.3
Uncertainty 0.3
Num. used stations 116
Type of magnitude ML
Reference to an origin 125074461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-06 15:10:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SU26.HHZ. 2023-04-21T18:15:00.24 0.3 undecidable manual P 311 759.0624 38 0.48 16
IV.AMUR.HHZ. 2023-04-21T18:14:48.58 1.0 undecidable manual P 10 685.4916 38 -2.03 2
IV.NOCI.HHZ. 2023-04-21T18:14:47.34 0.3 undecidable manual P 14 681.4068 38 -2.75 3
IV.SIRI.HHZ. 2023-04-21T18:14:39.00 0.6 undecidable manual P 6 596.5473 38 -0.54 13
IV.BULG.HHZ. 2023-04-21T18:14:38.22 0.3 undecidable manual P 2 582.1728 38 0.47 21
IV.MGR.HHZ. 2023-04-21T18:14:38.09 0.6 undecidable manual P 3 589.3656 38 -0.56 13
IV.GRIS.EHZ. 2023-04-21T18:14:32.64 0.3 undecidable manual P 6 547.7406 38 -0.83 19
IV.PIPA.HHZ. 2023-04-21T18:14:31.57 0.3 undecidable manual P 15 536.2632 38 -0.47 22
IV.CELI.HHZ. 2023-04-21T18:14:29.98 0.3 undecidable manual P 13 520.6899 38 -0.12 25
IV.CET2.HHZ. 2023-04-21T18:14:29.92 0.3 undecidable manual P 7 525.5739 38 -0.78 20
IV.SSY.HHZ. 2023-04-21T18:14:27.30 0.6 undecidable manual S 358 257.9418 38 1.21 22
IV.CAR1.HHZ. 2023-04-21T18:14:27.04 0.3 undecidable manual P 10 499.0227 38 -0.36 24
IV.SELL.HHZ. 2023-04-21T18:14:24.17 0.3 undecidable manual P 15 478.2657 38 -0.65 22
IV.SERS.HHZ. 2023-04-21T18:14:24.83 0.3 undecidable manual P 16 485.4474 38 -0.88 20
IV.HMDC.HHZ. 2023-04-21T18:14:22.30 0.6 undecidable manual S 352 238.2837 38 0.45 36
IV.GRI.EHZ. 2023-04-21T18:14:21.89 0.6 undecidable manual P 14 456.2988 38 -0.2 17
IV.CROCE.HHZ. 2023-04-21T18:14:19.60 1.0 undecidable manual S 346 228.8931 38 -0.23 20
IV.HPAC.HHZ. 2023-04-21T18:14:15.40 0.3 undecidable manual S 357 208.3359 38 0.01 72
IV.IVPL.HHZ. 2023-04-21T18:14:14.38 0.3 undecidable manual P 358 393.3063 38 0.13 29
IV.MBFT.HHZ. 2023-04-21T18:14:14.09 0.3 undecidable manual P 331 397.8018 38 -0.71 24
IV.SOLUN.HHZ. 2023-04-21T18:14:13.74 0.3 undecidable manual P 339 389.721 38 -0.06 29
IV.MSRU.HHZ. 2023-04-21T18:14:12.78 0.3 undecidable manual P 4 381.729 38 -0.03 29
IV.CORL.HHZ. 2023-04-21T18:14:12.33 0.3 undecidable manual P 334 378.0327 38 -0.02 30
IV.CIMI.HHZ. 2023-04-21T18:14:11.37 0.3 undecidable manual P 338 366.855 38 0.41 28
IV.GIB.HHZ. 2023-04-21T18:14:11.53 0.3 undecidable manual P 344 364.6572 38 0.85 24
IV.PLLN.EHZ. 2023-04-21T18:14:11.51 0.3 undecidable manual P 346 362.1597 38 1.14 21
IV.SOI.EHZ. 2023-04-21T18:14:10.56 0.3 undecidable manual P 12 368.0538 38 -0.54 27
IV.MMGO.HHZ. 2023-04-21T18:14:10.40 0.3 undecidable manual P 329 369.852 38 -0.93 23
IV.CSLB.HHZ. 2023-04-21T18:14:10.55 0.3 undecidable manual P 344 358.2747 38 0.66 26
IV.MUCR.HHZ. 2023-04-21T18:14:09.81 0.3 undecidable manual P 356 356.976 38 0.08 30
IV.ALJA.HHZ. 2023-04-21T18:14:09.31 0.3 undecidable manual P 339 347.1858 38 0.81 25
IV.AIO.HHZ. 2023-04-21T18:14:08.39 0.3 undecidable manual P 1 348.0849 38 -0.24 29
IV.MCT.HHZ. 2023-04-21T18:14:08.98 0.3 undecidable manual P 336 338.9052 38 1.49 17
IV.SCIAC.HHZ. 2023-04-21T18:14:07.97 0.3 undecidable manual P 329 350.2827 38 -0.93 23
IV.EMSG.HHZ. 2023-04-21T18:14:07.75 0.3 undecidable manual P 357 331.9122 38 1.14 21
IV.EPZF.HHZ. 2023-04-21T18:14:07.96 0.3 undecidable manual P 355 332.9112 38 1.23 20
IV.RESU.HHZ. 2023-04-21T18:14:07.44 0.3 undecidable manual P 343 327.4278 38 1.38 19
IV.GALF.HHZ. 2023-04-21T18:14:06.35 0.3 undecidable manual P 351 323.6316 38 0.77 25
IV.CMDO.HHZ. 2023-04-21T18:14:05.92 0.6 undecidable manual P 338 315.6507 38 1.34 13
IV.ESML.HHZ. 2023-04-21T18:14:04.56 0.6 undecidable manual P 355 309.9564 38 0.69 18
IV.CPTP.HHZ. 2023-04-21T18:14:03.36 0.6 undecidable manual P 343 299.3781 38 0.8 17
IV.RAFF.HHZ. 2023-04-21T18:13:59.32 0.3 undecidable manual P 345 274.614 38 -0.16 42
IV.HLNI.HHZ. 2023-04-21T18:13:59.50 0.3 undecidable manual P 355 280.2084 38 -0.68 34
IV.CLTA.HHZ. 2023-04-21T18:13:59.45 0.3 undecidable manual P 338 279.609 38 -0.64 35
IV.HVZN.HHZ. 2023-04-21T18:13:58.59 0.6 undecidable manual P 351 263.2365 38 0.53 28
IV.SSY.HHZ. 2023-04-21T18:13:57.24 0.3 undecidable manual P 358 257.9418 38 -0.16 49
ML.MSDA.BHE. 2023-04-21T18:13:56.70 0.6 undecidable manual S 333 133.5663 50 -0.27 63
IV.HMDC.HHZ. 2023-04-21T18:13:55.30 0.3 undecidable manual P 352 238.2837 38 0.34 55
MN.WDD.HHZ. 2023-04-21T18:13:54.70 0.6 undecidable manual S 333 125.5743 50 -0.14 66
IV.CROCE.HHZ. 2023-04-21T18:13:53.33 0.3 undecidable manual P 346 228.8931 38 -0.46 57
IV.HPAC.HHZ. 2023-04-21T18:13:51.43 0.3 undecidable manual P 357 208.3359 38 0.2 69
ML.MSDA.BHE. 2023-04-21T18:13:40.18 0.3 undecidable manual P 333 133.5663 50 -0.41 92
MN.WDD.HHZ. 2023-04-21T18:13:39.26 0.3 undecidable manual P 333 125.5743 50 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:4.9 0.02265 0.82 AML other m 2023-04-21T18:14:18.51
IV.HPAC.HHN. ML:4.9 0.02205 0.26 AML other m 2023-04-21T18:14:23.65
IV.HMDC.HHN. ML:4.6 0.00913 0.4 AML other m 2023-04-21T18:14:27.20
IV.HMDC.HNN. ML:4.9 0.01795 0.42 AML other m 2023-04-21T18:14:27.20
IV.CROCE.HHN. ML:4.2 0.003575 0.44 AML other m 2023-04-21T18:14:28.71
IV.CROCE.HNN. ML:4.3 0.004385 0.44 AML other m 2023-04-21T18:14:28.71
IV.CROCE.HNE. ML:4.6 0.00833 0.7 AML other m 2023-04-21T18:14:28.40
IV.CROCE.HHE. ML:4.5 0.006875 0.72 AML other m 2023-04-21T18:14:28.40
IV.HMDC.HNE. ML:5.0 0.0185 1.58 AML other m 2023-04-21T18:14:31.95
IV.HMDC.HHE. ML:4.6 0.00883 1.6 AML other m 2023-04-21T18:14:31.95
IV.SSY.HHE. ML:4.7 0.008465 0.6 AML other m 2023-04-21T18:14:34.87
IV.SELL.HHE. ML:3.8 0.000242 0.56 AML other m 2023-04-21T18:14:34.94
IV.SELL.HNE. ML:4.3 0.0007335 0.56 AML other m 2023-04-21T18:14:34.94
IV.HLNI.HHN. ML:4.5 0.00462 0.64 AML other m 2023-04-21T18:14:39.49
IV.HLNI.HNN. ML:4.5 0.004655 0.64 AML other m 2023-04-21T18:14:39.50
IV.SSY.HNE. ML:5.0 0.016399999999999998 0.32 AML other m 2023-04-21T18:14:39.66
IV.SSY.HHN. ML:5.0 0.016399999999999998 0.32 AML other m 2023-04-21T18:14:39.79
IV.HVZN.HHE. ML:5.1 0.02205 0.86 AML other m 2023-04-21T18:14:41.51
IV.HVZN.HHN. ML:5.0 0.01625 1.04 AML other m 2023-04-21T18:14:41.01
IV.HLNI.HNE. ML:4.6 0.006085 0.46 AML other m 2023-04-21T18:14:41.98
IV.HLNI.HHE. ML:4.6 0.006 0.46 AML other m 2023-04-21T18:14:41.98
IV.SSY.HNN. ML:4.8 0.0123 0.42 AML other m 2023-04-21T18:14:45.70
IV.RAFF.HNE. ML:4.4 0.0034750000000000002 0.5 AML other m 2023-04-21T18:14:47.29
IV.RAFF.HHN. ML:4.7 0.007890000000000001 0.6 AML other m 2023-04-21T18:14:47.31
IV.RAFF.HNN. ML:4.3 0.0027750000000000006 1 AML other m 2023-04-21T18:14:50.77
IV.RAFF.HHE. ML:4.5 0.00541 0.68 AML other m 2023-04-21T18:14:53.49
IV.GALF.HNN. ML:4.6 0.004125 0.54 AML other m 2023-04-21T18:14:55.68
IV.GALF.HHN. ML:4.9 0.007634999999999999 0.82 AML other m 2023-04-21T18:14:55.69
IV.SCIAC.HNN. ML:4.0 0.0008209999999999999 0.34 AML other m 2023-04-21T18:14:56.61
IV.SCIAC.HHN. ML:4.0 0.0008269999999999999 0.32 AML other m 2023-04-21T18:14:56.61
IV.SCIAC.HHE. ML:3.9 0.0006799999999999999 1.24 AML other m 2023-04-21T18:14:57.69
IV.SCIAC.HNE. ML:3.9 0.0006855 1.24 AML other m 2023-04-21T18:14:57.69
IV.ESML.HHE. ML:4.3 0.002205 0.82 AML other m 2023-04-21T18:14:58.21
IV.ESML.HNE. ML:4.3 0.002455 0.82 AML other m 2023-04-21T18:14:58.22
IV.AIO.HHE. ML:4.2 0.001345 0.72 AML other m 2023-04-21T18:14:58.61
IV.CLTA.HHN. ML:3.9 0.00123 0.54 AML other m 2023-04-21T18:14:59.29
IV.CLTA.HHE. ML:4.0 0.001595 0.96 AML other m 2023-04-21T18:15:01.87
IV.CPTP.HHE. ML:4.5 0.0039900000000000005 0.68 AML other m 2023-04-21T18:15:02.09
IV.GALF.HNE. ML:4.6 0.003915 0.42 AML other m 2023-04-21T18:15:02.34
IV.MMGO.HHE. ML:3.5 0.000225 0.98 AML other m 2023-04-21T18:15:02.92
IV.MMGO.HNE. ML:3.5 0.00022499999999999997 1 AML other m 2023-04-21T18:15:02.93
IV.CPTP.HHN. ML:4.7 0.0061600000000000005 0.6 AML other m 2023-04-21T18:15:03.23
IV.GALF.HHE. ML:4.8 0.006495 0.6 AML other m 2023-04-21T18:15:03.36
IV.EPZF.HNN. ML:4.7 0.00474 0.42 AML other m 2023-04-21T18:15:04.21
IV.EPZF.HHN. ML:4.7 0.004665 0.42 AML other m 2023-04-21T18:15:04.21
IV.ESML.HHN. ML:4.3 0.002115 1.48 AML other m 2023-04-21T18:15:04.77
IV.ESML.HNN. ML:4.3 0.00218 1.38 AML other m 2023-04-21T18:15:04.80
IV.AIO.HHN. ML:4.1 0.0010710000000000001 1.02 AML other m 2023-04-21T18:15:05.19
IV.SOI.EHN. ML:3.9 0.0005945 0.52 AML other m 2023-04-21T18:15:05.38
IV.SOI.EHE. ML:4.0 0.000664 0.56 AML other m 2023-04-21T18:15:05.46
IV.EPZF.HNE. ML:4.5 0.003025 0.88 AML other m 2023-04-21T18:15:05.51
IV.EPZF.HHE. ML:4.5 0.00296 0.9 AML other m 2023-04-21T18:15:05.53
IV.MFNL.HHN. ML:3.8 0.00041000000000000005 0.54 AML other m 2023-04-21T18:15:07.83
IV.MSRU.HHE. ML:4.5 0.00214 1.34 AML other m 2023-04-21T18:15:08.93
IV.MBFT.HHE. ML:3.6 0.00024349999999999998 1.62 AML other m 2023-04-21T18:15:08.95
IV.MSRU.HNE. ML:4.5 0.00219 1.36 AML other m 2023-04-21T18:15:09.94
IV.MFNL.HHE. ML:3.8 0.0004165 0.82 AML other m 2023-04-21T18:15:09.01
IV.MUCR.HHE. ML:3.9 0.0006145 0.44 AML other m 2023-04-21T18:15:09.42
IV.RESU.HHE. ML:4.5 0.003005 0.42 AML other m 2023-04-21T18:15:10.60
IV.RESU.HNE. ML:4.2 0.001495 0.4 AML other m 2023-04-21T18:15:11.60
IV.CMDO.HNE. ML:4.1 0.001375 0.9 AML other m 2023-04-21T18:15:12.03
IV.CMDO.HHE. ML:4.1 0.001365 0.88 AML other m 2023-04-21T18:15:12.04
IV.IVPL.HNE. ML:4.5 0.002115 1.04 AML other m 2023-04-21T18:15:13.37
IV.IVPL.HHE. ML:4.6 0.002235 1.04 AML other m 2023-04-21T18:15:13.39
IV.RESU.HHN. ML:4.4 0.00246 0.88 AML other m 2023-04-21T18:15:14.12
IV.MUCR.HHN. ML:3.8 0.0005380000000000001 1.26 AML other m 2023-04-21T18:15:14.78
IV.EMSG.HHE. ML:4.4 0.0027199999999999998 0.66 AML other m 2023-04-21T18:15:14.35
IV.RESU.HNN. ML:4.1 0.0012309999999999999 0.9 AML other m 2023-04-21T18:15:14.12
IV.CSLB.HNE. ML:4.2 0.001365 0.7 AML other m 2023-04-21T18:15:16.57
IV.CSLB.HHE. ML:4.2 0.00135 0.7 AML other m 2023-04-21T18:15:16.58
IV.MSRU.HHN. ML:4.2 0.0011819999999999999 0.62 AML other m 2023-04-21T18:15:17.02
IV.MSRU.HNN. ML:4.2 0.001103 0.72 AML other m 2023-04-21T18:15:17.02
IV.GIB.HHN. ML:4.7 0.0034649999999999998 0.64 AML other m 2023-04-21T18:15:17.22
IV.GIB.HHE. ML:4.5 0.00249 0.66 AML other m 2023-04-21T18:15:18.19
IV.CMDO.HNN. ML:4.2 0.0016899999999999999 0.66 AML other m 2023-04-21T18:15:19.32
IV.CMDO.HHN. ML:4.2 0.00171 0.66 AML other m 2023-04-21T18:15:19.32
IV.CSLB.HNN. ML:4.2 0.0011225 0.98 AML other m 2023-04-21T18:15:20.62
IV.CSLB.HHN. ML:4.2 0.001103 0.98 AML other m 2023-04-21T18:15:20.63
IV.ALJA.HHE. ML:4.1 0.001139 1.26 AML other m 2023-04-21T18:15:20.25
IV.IVPL.HNN. ML:4.6 0.00259 0.42 AML other m 2023-04-21T18:15:20.40
IV.IVPL.HHN. ML:4.6 0.0026799999999999997 0.42 AML other m 2023-04-21T18:15:20.42
IV.PLLN.EHN. ML:4.7 0.0039 0.8 AML other m 2023-04-21T18:15:21.68
IV.PLLN.EHE. ML:4.7 0.00381 1.04 AML other m 2023-04-21T18:15:21.42
IV.CIMI.HNN. ML:4.7 0.00385 0.9 AML other m 2023-04-21T18:15:22.51
IV.CIMI.HHN. ML:4.7 0.0035999999999999995 0.9 AML other m 2023-04-21T18:15:22.53
IV.GRI.EHN. ML:4.1 0.00046 0.48 AML other m 2023-04-21T18:15:22.95
IV.ALJA.HHN. ML:4.2 0.0012965 0.94 AML other m 2023-04-21T18:15:22.28
IV.GRI.EHE. ML:4.1 0.0005045 1.46 AML other m 2023-04-21T18:15:23.80
IV.SOLUN.HHE. ML:4.6 0.00239 1.1 AML other m 2023-04-21T18:15:23.29
IV.EMSG.HHN. ML:4.6 0.0034649999999999998 1.18 AML other m 2023-04-21T18:15:25.70
IV.MCT.HHE. ML:3.8 0.000626 0.6 AML other m 2023-04-21T18:15:25.27
IV.MCT.HHN. ML:4.0 0.001008 1.12 AML other m 2023-04-21T18:15:26.76
IV.SOLUN.HHN. ML:4.4 0.00157 0.74 AML other m 2023-04-21T18:15:26.40
IV.MMGO.HHN. ML:3.5 0.000237 0.76 AML other m 2023-04-21T18:15:26.26
IV.MMGO.HNN. ML:3.5 0.00023249999999999999 0.78 AML other m 2023-04-21T18:15:26.26
IV.SELL.HNN. ML:4.2 0.0005989999999999999 0.56 AML other m 2023-04-21T18:15:27.21
IV.SELL.HHN. ML:3.7 0.0001855 0.54 AML other m 2023-04-21T18:15:27.21
IV.SERS.HHN. ML:3.8 0.0002315 0.46 AML other m 2023-04-21T18:15:28.83
IV.SERS.HHE. ML:3.9 0.00023899999999999998 0.42 AML other m 2023-04-21T18:15:28.41
IV.CAR1.HHN. ML:4.2 0.0005449999999999999 0.52 AML other m 2023-04-21T18:15:30.86
IV.CAR1.HNN. ML:4.2 0.000516 0.52 AML other m 2023-04-21T18:15:30.87
IV.CIMI.HNE. ML:4.6 0.00266 0.74 AML other m 2023-04-21T18:15:30.31
IV.CIMI.HHE. ML:4.5 0.002455 0.74 AML other m 2023-04-21T18:15:32.37
IV.CAR1.HHE. ML:4.3 0.0005965 0.48 AML other m 2023-04-21T18:15:34.39
IV.CORL.HHE. ML:4.2 0.0010565 0.7 AML other m 2023-04-21T18:15:35.70
IV.CORL.HNE. ML:4.2 0.0010375 0.7 AML other m 2023-04-21T18:15:35.70
IV.CORL.HHN. ML:4.2 0.0011455 0.7 AML other m 2023-04-21T18:15:35.35
IV.CORL.HNN. ML:4.2 0.001168 0.7 AML other m 2023-04-21T18:15:35.35
IV.MBFT.HHN. ML:3.6 0.000261 1.08 AML other m 2023-04-21T18:15:35.81
IV.CELI.HHE. ML:3.7 0.00014250000000000002 0.46 AML other m 2023-04-21T18:15:36.33
IV.PIPA.HHE. ML:4.0 0.00023099999999999998 0.38 AML other m 2023-04-21T18:15:37.43
IV.CAR1.HNE. ML:4.3 0.0005865 0.5 AML other m 2023-04-21T18:15:37.47
IV.PIPA.HHN. ML:4.0 0.000223 0.68 AML other m 2023-04-21T18:15:38.08
IV.CELI.HHN. ML:4.0 0.000237 0.62 AML other m 2023-04-21T18:15:40.09
IV.CET2.HHN. ML:4.4 0.0005635 0.62 AML other m 2023-04-21T18:15:43.18
IV.CET2.HHE. ML:4.3 0.000481 0.7 AML other m 2023-04-21T18:15:46.76
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