Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.7 on date 16-02-2023 and time 08:46:15 (UTC) in region Malta [Sea]

A magnitude ML 3.7 earthquake occured in region: Malta [Sea], on

  • 16-02-2023 08:46:15 (UTC)
  • 16-02-2023 09:46:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9120, 14.1190 at 13 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 3.7 2023-02-16
08:46:15		 34.9123 14.1187 13 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115626231
Reviewed
Rev100 		ML 3.7 2023-02-16
08:46:14		 34.8742 14.2867 10 2023-02-16
08:58:28		 Sala Sismica INGV-Roma 114480621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-16 08:46:15 ± 0.23
Latitude 34.9123 ± 0.0207
Longitude 14.1187 ± 0.0526
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115626231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4716
Semi-minor axis of confidence ellipse (meter) 2176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 4720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 1.03242
Epicentral distance of station farthest from the epicenter (degree) 5.93552
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:3.7

Field Value
Value 3.7
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 115626231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-30 11:29:58

ML:3.7

Field Value
Value 3.7
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 114480621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-16 08:58:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VSL.HHZ. 2023-02-16T08:47:43.84 0.3 undecidable manual P 322 658.8405 54 0.26 15
IV.CELI.HHZ. 2023-02-16T08:47:29.45 0.3 undecidable manual P 22 541.0473 54 0.53 17
IV.CAR1.HHZ. 2023-02-16T08:47:25.41 1.0 undecidable manual P 20 515.8947 54 -0.38 6
IV.SSY.HHZ. 2023-02-16T08:47:23.48 0.6 undecidable manual S 19 263.4363 54 0.42 23
IV.RAFF.HHZ. 2023-02-16T08:47:21.93 0.6 undecidable manual S 5 257.2536 54 0.2 25
IV.HAVL.HHZ. 2023-02-16T08:47:18.32 1.0 undecidable manual S 21 244.3665 54 -0.63 11
IV.PLAC.HHZ. 2023-02-16T08:47:16.89 0.3 undecidable manual P 27 443.3229 54 0.13 20
IV.HMDC.HHZ. 2023-02-16T08:47:16.69 0.6 undecidable manual S 15 234.7872 54 -0.2 28
IV.MSRU.HHZ. 2023-02-16T08:47:11.15 0.3 undecidable manual P 18 391.8078 54 0.8 19
IV.SICLA.EHZ. 2023-02-16T08:47:11.93 0.6 undecidable manual P 20 397.2024 54 0.91 12
IV.CROCE.HHZ. 2023-02-16T08:47:11.92 0.6 undecidable manual S 10 216.3168 54 -0.98 24
IV.SOI.EHZ. 2023-02-16T08:47:10.17 0.6 undecidable manual P 26 390.8088 54 -0.05 14
IV.MPNC.HHZ. 2023-02-16T08:47:08.85 0.6 undecidable manual P 17 375.2466 54 0.56 14
IV.AIO.HHZ. 2023-02-16T08:47:06.07 0.3 undecidable manual P 16 353.5794 54 0.48 22
IV.MSFR.HHZ. 2023-02-16T08:47:06.02 0.3 undecidable manual P 7 348.8841 54 1.02 18
IV.MUCR.HHZ. 2023-02-16T08:47:06.41 0.3 undecidable manual P 11 353.7792 54 0.8 20
IV.PLLN.EHZ. 2023-02-16T08:47:05.13 0.3 undecidable manual P 0 341.7024 54 1.02 18
IV.SOLUN.HHZ. 2023-02-16T08:47:05.83 0.3 undecidable manual P 352 356.5764 54 -0.13 22
IV.GIB.HHZ. 2023-02-16T08:47:04.88 0.3 undecidable manual P 359 341.5026 54 0.79 19
IV.EPZF.HHZ. 2023-02-16T08:47:04.56 0.3 undecidable manual P 11 329.6256 54 1.95 11
IV.MBFT.HHZ. 2023-02-16T08:47:04.19 1.0 undecidable manual P 343 352.2807 54 -1.24 5
IV.CORL.HHZ. 2023-02-16T08:47:03.27 0.3 undecidable manual P 348 338.7054 54 -0.47 21
IV.CSLB.HHZ. 2023-02-16T08:47:03.80 0.3 undecidable manual P 359 335.6085 54 0.44 22
IV.CIMI.HHZ. 2023-02-16T08:47:03.44 0.3 undecidable manual P 352 333.0111 54 0.41 22
IV.LPDG.HHZ. 2023-02-16T08:46:58.80 1.0 undecidable manual S 297 150.738 91 0.94 14
IV.LINA.HHZ. 2023-02-16T08:46:57.60 0.6 undecidable manual S 314 155.622 91 -1.56 35
IV.SCIAC.HHZ. 2023-02-16T08:46:57.37 0.6 undecidable manual P 343 302.8635 54 -1.91 7
IV.CPTP.HHZ. 2023-02-16T08:46:57.25 0.3 undecidable manual P 1 276.8118 54 1.21 22
IV.AGST.EHZ. 2023-02-16T08:46:56.35 0.6 undecidable manual P 21 278.4102 54 0.12 21
IV.HLNI.HHZ. 2023-02-16T08:46:55.70 0.3 undecidable manual P 14 278.5101 54 -0.55 26
IV.SSY.HHZ. 2023-02-16T08:46:54.45 0.1 undecidable manual P 19 263.4363 54 0.08 47
IV.RAFF.HHZ. 2023-02-16T08:46:53.12 0.3 undecidable manual P 5 257.2536 54 -0.48 33
IV.CLTA.HHZ. 2023-02-16T08:46:52.54 0.3 undecidable manual P 357 249.5613 54 -0.1 40
IV.HAVL.HHZ. 2023-02-16T08:46:51.11 0.3 undecidable manual P 21 244.3665 54 -0.88 30
IV.HMDC.HHZ. 2023-02-16T08:46:50.43 0.3 undecidable manual P 15 234.7872 54 -0.37 40
ML.MSDA.BHE. 2023-02-16T08:46:48.51 0.6 undecidable manual S 17 114.5964 91 0.3 49
IV.CROCE.HHZ. 2023-02-16T08:46:47.76 0.1 undecidable manual P 10 216.3168 54 -0.74 53
IV.LPDG.HHZ. 2023-02-16T08:46:39.62 0.3 undecidable manual P 297 150.738 91 -0.2 73
IV.LINA.HHZ. 2023-02-16T08:46:39.85 0.3 undecidable manual P 314 155.622 91 -0.72 64
ML.MSDA.BHE. 2023-02-16T08:46:34.09 0.1 undecidable manual P 17 114.5964 91 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LPDG.HHE. ML:3.8 0.00299 0.38 AML other m 2023-02-16T08:47:11.07
IV.LPDG.HHN. ML:3.9 0.00366 0.46 AML other m 2023-02-16T08:47:17.49
IV.CROCE.HHE. ML:3.7 0.0012349999999999998 0.8 AML other m 2023-02-16T08:47:22.88
IV.CROCE.HNE. ML:3.8 0.0015 1.12 AML other m 2023-02-16T08:47:23.81
IV.CROCE.HHN. ML:3.7 0.0012075 1.38 AML other m 2023-02-16T08:47:25.05
IV.CROCE.HNN. ML:3.8 0.001545 1.36 AML other m 2023-02-16T08:47:25.05
IV.SCIAC.HHN. ML:3.2 0.00021250000000000002 0.34 AML other m 2023-02-16T08:47:29.61
IV.HMDC.HHE. ML:3.3 0.00040449999999999997 0.84 AML other m 2023-02-16T08:47:29.72
IV.HMDC.HNE. ML:3.9 0.0018599999999999999 0.84 AML other m 2023-02-16T08:47:29.73
IV.HMDC.HHN. ML:4.1 0.0024950000000000003 0.52 AML other m 2023-02-16T08:47:33.75
IV.RAFF.HHN. ML:3.8 0.001128 0.7 AML other m 2023-02-16T08:47:34.60
IV.SCIAC.HNE. ML:3.4 0.00031899999999999995 1.22 AML other m 2023-02-16T08:47:34.28
IV.SCIAC.HHE. ML:3.4 0.00033099999999999997 1.22 AML other m 2023-02-16T08:47:34.89
IV.SCIAC.HNN. ML:3.2 0.00021250000000000002 1.58 AML other m 2023-02-16T08:47:35.11
IV.HMDC.HNN. ML:4.0 0.00239 0.8 AML other m 2023-02-16T08:47:37.45
IV.RAFF.HHE. ML:4.0 0.001585 0.84 AML other m 2023-02-16T08:47:38.14
IV.HLNI.HHE. ML:3.9 0.0011749999999999998 1.12 AML other m 2023-02-16T08:47:39.34
IV.SSY.HHE. ML:4.6 0.00642 0.58 AML other m 2023-02-16T08:47:39.50
IV.SSY.HNE. ML:4.2 0.002575 1.16 AML other m 2023-02-16T08:47:40.77
IV.SOLUN.HHN. ML:3.5 0.00023373605000000003 1.264 AML other m 2023-02-16T08:47:43.68
IV.HLNI.HHN. ML:3.9 0.0011200000000000001 0.66 AML other m 2023-02-16T08:47:43.70
IV.SSY.HHN. ML:4.6 0.006279999999999999 1.38 AML other m 2023-02-16T08:47:44.90
IV.CLTA.HHN. ML:3.4 0.000512 0.94 AML other m 2023-02-16T08:47:45.55
IV.SSY.HNN. ML:4.1 0.001975 1.44 AML other m 2023-02-16T08:47:45.91
IV.CSLB.HHE. ML:3.3 0.000194 0.42 AML other m 2023-02-16T08:47:46.75
IV.CIMI.HNN. ML:3.7 0.0005340000000000001 1.26 AML other m 2023-02-16T08:47:47.72
IV.CIMI.HHN. ML:3.7 0.0005135000000000001 1.24 AML other m 2023-02-16T08:47:47.72
IV.PLLN.EHN. ML:4.1 0.00124 1.08 AML other m 2023-02-16T08:47:48.01
IV.GIB.HHN. ML:3.8 0.000626 0.44 AML other m 2023-02-16T08:47:48.50
IV.MBFT.HHE. ML:3.1 0.0001036 0.86 AML other m 2023-02-16T08:47:49.60
IV.MBFT.HHN. ML:3.2 0.000117 1.04 AML other m 2023-02-16T08:47:50.05
IV.SOI.EHE. ML:3.6 0.00022250000000000001 1.3 AML other m 2023-02-16T08:47:50.31
IV.CLTA.HHE. ML:3.5 0.00065 1.16 AML other m 2023-02-16T08:47:51.68
IV.SOI.EHN. ML:3.4 0.000176 0.72 AML other m 2023-02-16T08:47:52.12
IV.GIB.HHE. ML:3.9 0.0007664999999999999 1.28 AML other m 2023-02-16T08:47:53.23
IV.MSRU.HHN. ML:4.0 0.000579 1.02 AML other m 2023-02-16T08:47:53.74
IV.MSRU.HHE. ML:4.0 0.000635 0.8 AML other m 2023-02-16T08:47:54.72
IV.CIMI.HHE. ML:3.6 0.00038250000000000003 0.62 AML other m 2023-02-16T08:47:54.62
IV.CIMI.HNE. ML:3.6 0.00041349999999999997 0.74 AML other m 2023-02-16T08:47:54.63
IV.CORL.HNE. ML:3.5 0.00027049999999999996 0.48 AML other m 2023-02-16T08:47:54.66
IV.SICLA.EHN. ML:3.6 0.0002505 0.5 AML other m 2023-02-16T08:47:55.69
IV.CORL.HNN. ML:3.5 0.0003075 1.3 AML other m 2023-02-16T08:47:56.04
IV.CORL.HHN. ML:3.5 0.0003145 0.62 AML other m 2023-02-16T08:47:57.04
IV.PLLN.EHE. ML:4.0 0.000962 1.18 AML other m 2023-02-16T08:47:59.16
IV.EPZF.HHE. ML:4.0 0.000934 0.9 AML other m 2023-02-16T08:48:01.53
IV.CORL.HHE. ML:3.4 0.000252 0.76 AML other m 2023-02-16T08:48:02.26
IV.CSLB.HNE. ML:3.3 0.000193 0.92 AML other m 2023-02-16T08:48:03.36
IV.PLAC.HHE. ML:3.4 0.00009659999999999999 0.64 AML other m 2023-02-16T08:48:04.97
IV.PLAC.HHN. ML:3.5 0.0001225 0.66 AML other m 2023-02-16T08:48:05.68
IV.CSLB.HNN. ML:3.4 0.00020850000000000003 0.96 AML other m 2023-02-16T08:48:06.64
IV.CSLB.HHN. ML:3.4 0.0002125 0.96 AML other m 2023-02-16T08:48:06.65
IV.MPNC.HHN. ML:4.1 0.0007989999999999999 0.7 AML other m 2023-02-16T08:48:06.68
IV.MUCR.HHE. ML:3.8 0.0005489999999999999 1.34 AML other m 2023-02-16T08:48:08.25
IV.SOLUN.HHE. ML:3.7 0.00038700000000000003 0.46 AML other m 2023-02-16T08:48:09.20
IV.AIO.HHE. ML:3.5 0.0002655 0.44 AML other m 2023-02-16T08:48:10.38
IV.AIO.HHN. ML:3.6 0.0003235 0.96 AML other m 2023-02-16T08:48:11.43
IV.EPZF.HHN. ML:4.0 0.00092 1.34 AML other m 2023-02-16T08:48:11.00
IV.MSFR.HHN. ML:3.4 0.0002255 1.1 AML other m 2023-02-16T08:48:13.94
IV.MSFR.HHE. ML:3.5 0.000292 0.44 AML other m 2023-02-16T08:48:17.08
IV.MPNC.HHE. ML:4.0 0.0007650000000000001 0.66 AML other m 2023-02-16T08:48:17.89
IV.SICLA.EHE. ML:3.7 0.0003185 0.86 AML other m 2023-02-16T08:48:17.84
IV.MUCR.HHN. ML:3.6 0.00035350000000000003 0.58 AML other m 2023-02-16T08:48:20.00
IV.CAR1.HHN. ML:3.8 0.0001575 1.2 AML other m 2023-02-16T08:48:24.79
IV.CAR1.HHE. ML:3.8 0.0001735 1.34 AML other m 2023-02-16T08:48:41.99
IV.CELI.HHE. ML:3.1 0.000031100000000000004 0.8 AML other m 2023-02-16T08:48:54.57
IV.CELI.HHN. ML:3.4 0.0000477 0.88 AML other m 2023-02-16T08:48:55.91
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