Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.7 on date 16-02-2023 and time 21:49:09 (Italy) in region Malta [Sea]

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

  • 16-02-2023 20:49:09 (UTC)
  • 16-02-2023 21:49:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8040, 14.2530 at 11 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
20:49:09		 34.8037 14.2527 11 2024-03-01
17:18:00		 Bollettino Sismico Italiano INGV 115660141
Reviewed
Rev100 		ML 3.7 2023-02-16
20:49:09		 34.7953 14.2377 10 2023-02-16
21:04:08		 Sala Sismica INGV-Roma 114497841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-16 20:49:09 ± 0.37
Latitude 34.8037 ± 0.0243
Longitude 14.2527 ± 0.0153
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115660141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2740
Semi-minor axis of confidence ellipse (meter) 1370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 2740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 238
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 1.11336
Epicentral distance of station farthest from the epicenter (degree) 7.12802
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:3.7

Field Value
Value 3.7
Uncertainty 0.3
Num. used stations 100
Type of magnitude ML
Reference to an origin 115660141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-31 17:35:02

ML:3.7

Field Value
Value 3.7
Uncertainty 0.3
Num. used stations 100
Type of magnitude ML
Reference to an origin 114497841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-16 21:04:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KLV.HHZ. 2023-02-16T20:50:54.64 0.6 undecidable manual P 61 791.208 38 -0.11 8
IV.GRIS.EHZ. 2023-02-16T20:50:27.15 0.6 undecidable manual P 14 565.6116 38 0.48 10
IV.CET2.HHZ. 2023-02-16T20:50:24.01 0.6 undecidable manual P 15 545.343 38 -0.14 12
IV.AGST.EHZ. 2023-02-16T20:50:23.20 0.6 undecidable manual S 18 285.8028 38 0.44 17
IV.CAR1.HHZ. 2023-02-16T20:50:21.42 0.6 undecidable manual P 19 523.1763 38 0.02 12
IV.SELL.HHZ. 2023-02-16T20:50:20.19 0.3 undecidable manual P 24 509.3013 38 0.52 17
IV.PLAC.HHZ. 2023-02-16T20:50:12.14 0.3 undecidable manual P 25 448.8174 38 0 20
IV.CROCE.HHZ. 2023-02-16T20:50:08.66 0.6 undecidable manual S 6 226.5066 38 -1.32 19
IV.IFIL.HHZ. 2023-02-16T20:50:07.75 0.6 undecidable manual P 4 418.1703 38 -0.58 12
IV.SICLA.EHZ. 2023-02-16T20:50:07.58 0.3 undecidable manual P 18 404.595 38 0.94 16
IV.MSRU.HHZ. 2023-02-16T20:50:06.47 0.3 undecidable manual P 16 399.7998 38 0.42 19
IV.IVPL.HHZ. 2023-02-16T20:50:06.47 0.3 undecidable manual P 9 401.598 38 0.2 20
IV.SOI.EHZ. 2023-02-16T20:50:05.45 0.3 undecidable manual P 23 396.7029 38 -0.21 20
IV.MPNC.HHZ. 2023-02-16T20:50:04.88 0.1 undecidable manual P 14 383.6271 38 0.86 23
IV.MSFR.HHZ. 2023-02-16T20:50:02.03 0.3 undecidable manual P 5 359.5734 38 0.99 16
IV.MUCR.HHZ. 2023-02-16T20:50:02.28 0.3 undecidable manual P 9 363.5583 38 0.74 18
IV.SOLUN.HHZ. 2023-02-16T20:50:01.68 0.3 undecidable manual P 350 370.3515 38 -0.7 18
IV.AIO.HHZ. 2023-02-16T20:50:01.97 0.3 undecidable manual P 14 362.1597 38 0.61 19
IV.PLLN.EHZ. 2023-02-16T20:50:01.29 0.3 undecidable manual P 358 353.8791 38 0.96 17
IV.CORL.HHZ. 2023-02-16T20:50:00.35 0.1 undecidable manual P 346 353.1798 38 0.11 29
IV.CAVT.HHZ. 2023-02-16T20:50:00.37 0.6 undecidable manual P 338 345.987 38 1.02 11
IV.GIB.HHZ. 2023-02-16T20:50:00.99 0.6 undecidable manual P 357 354.0789 38 0.64 13
IV.CSLB.HHZ. 2023-02-16T20:50:00.13 0.3 undecidable manual P 357 348.0849 38 0.53 20
IV.EPZF.HHZ. 2023-02-16T20:50:00.32 0.3 undecidable manual P 9 339.4047 38 1.8 10
IV.CIMI.HHZ. 2023-02-16T20:49:59.69 0.1 undecidable manual P 350 346.7862 38 0.24 29
IV.LINA.HHE. 2023-02-16T20:49:58.42 0.6 undecidable manual S 314 172.7937 50 0.17 41
IV.LPDG.HHE. 2023-02-16T20:49:57.60 0.6 undecidable manual S 299 167.1105 50 0.85 34
IV.GALF.HHZ. 2023-02-16T20:49:57.57 0.3 undecidable manual P 5 323.7315 38 1 17
IV.ESML.HHZ. 2023-02-16T20:49:56.48 0.6 undecidable manual P 10 317.238 38 0.71 13
IV.MMGO.HHZ. 2023-02-16T20:49:56.99 0.3 undecidable manual P 341 337.0071 38 -1.24 15
IV.CMDO.HHZ. 2023-02-16T20:49:54.72 0.3 undecidable manual P 353 297.5799 38 1.39 14
IV.SCIAC.HHZ. 2023-02-16T20:49:53.68 0.3 undecidable manual P 341 318.1371 38 -2.2 7
IV.CPTP.HHZ. 2023-02-16T20:49:52.76 0.3 undecidable manual P 358 288.9885 38 0.51 24
IV.AGST.EHZ. 2023-02-16T20:49:51.43 0.3 undecidable manual P 18 285.8028 38 -0.43 26
IV.HLNI.HHZ. 2023-02-16T20:49:51.12 0.3 undecidable manual P 11 287.6898 38 -0.98 20
IV.SSY.HHZ. 2023-02-16T20:49:49.78 0.3 undecidable manual P 16 271.3284 38 -0.28 31
IV.CLTA.HHZ. 2023-02-16T20:49:48.94 0.3 undecidable manual P 354 262.4373 38 -0.02 35
IV.HVZN.HHZ. 2023-02-16T20:49:48.99 0.6 undecidable manual P 9 266.6331 38 -0.49 20
IV.HAVL.HHZ. 2023-02-16T20:49:47.07 0.3 undecidable manual P 18 251.5593 38 -0.53 34
IV.HMDC.HHZ. 2023-02-16T20:49:46.24 0.3 undecidable manual P 11 243.7671 38 -0.39 38
ML.MSDA.BHE. 2023-02-16T20:49:45.00 0.6 undecidable manual S 10 123.5874 50 -0.12 49
IV.CROCE.HHZ. 2023-02-16T20:49:43.78 0.1 undecidable manual P 6 226.5066 38 -0.7 52
IV.LINA.HHE. 2023-02-16T20:49:36.32 0.3 undecidable manual P 314 172.7937 50 -1.39 38
IV.LPDG.HHE. 2023-02-16T20:49:36.68 0.1 undecidable manual P 299 167.1105 50 -0.16 84
ML.MSDA.BHE. 2023-02-16T20:49:30.13 0.1 undecidable manual P 10 123.5874 50 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HHE. ML:3.7 0.00109 0.56 AML other m 2023-02-16T20:50:26.43
IV.CROCE.HNE. ML:3.8 0.00132 0.56 AML other m 2023-02-16T20:50:26.43
IV.HMDC.HNE. ML:3.8 0.0014399999999999999 1.42 AML other m 2023-02-16T20:50:26.81
IV.CROCE.HHN. ML:3.7 0.0012000000000000001 1.58 AML other m 2023-02-16T20:50:27.07
IV.CROCE.HNN. ML:3.8 0.001515 1.58 AML other m 2023-02-16T20:50:27.07
IV.SCIAC.HHE. ML:3.3 0.000203 0.74 AML other m 2023-02-16T20:50:30.38
IV.SCIAC.HNE. ML:3.3 0.00020500000000000002 0.74 AML other m 2023-02-16T20:50:30.38
IV.SSY.HHN. ML:4.6 0.00737 0.6 AML other m 2023-02-16T20:50:35.77
IV.HMDC.HHE. ML:3.2 0.000338 0.56 AML other m 2023-02-16T20:50:37.70
IV.SSY.HHE. ML:4.6 0.006525 0.68 AML other m 2023-02-16T20:50:38.00
IV.HMDC.HNN. ML:4.1 0.00265 0.86 AML other m 2023-02-16T20:50:40.27
IV.HMDC.HHN. ML:4.1 0.002685 1.32 AML other m 2023-02-16T20:50:41.26
IV.SSY.HNN. ML:4.2 0.002565 1.5 AML other m 2023-02-16T20:50:42.12
IV.HVZN.HHN. ML:4.2 0.0024850000000000002 0.88 AML other m 2023-02-16T20:50:42.05
IV.HVZN.HNN. ML:4.2 0.00248 0.86 AML other m 2023-02-16T20:50:42.06
IV.SCIAC.HNN. ML:3.2 0.000188 0.56 AML other m 2023-02-16T20:50:44.56
IV.SCIAC.HHN. ML:3.2 0.000176 0.54 AML other m 2023-02-16T20:50:44.56
IV.HVZN.HNE. ML:4.2 0.00281 0.88 AML other m 2023-02-16T20:50:46.77
IV.HVZN.HHE. ML:4.2 0.0028450000000000003 0.9 AML other m 2023-02-16T20:50:46.77
IV.SELL.HNN. ML:3.8 0.00019600000000000002 1.6 AML other m 2023-02-16T20:50:46.93
IV.SSY.HNE. ML:4.2 0.00267 1.34 AML other m 2023-02-16T20:50:47.19
IV.PLLN.EHE. ML:4.1 0.0010505 1.34 AML other m 2023-02-16T20:50:47.25
IV.AGST.EHE. ML:4.1 0.0019299999999999999 0.74 AML other m 2023-02-16T20:50:48.08
IV.SOI.EHN. ML:3.4 0.0001495 0.96 AML other m 2023-02-16T20:50:49.28
IV.GIB.HHE. ML:3.9 0.000661 1.08 AML other m 2023-02-16T20:50:51.63
IV.GIB.HHN. ML:3.9 0.0006810000000000001 0.6 AML other m 2023-02-16T20:50:51.50
IV.CORL.HHE. ML:3.5 0.0002655 0.46 AML other m 2023-02-16T20:50:52.04
IV.CORL.HNE. ML:3.5 0.0002605 0.76 AML other m 2023-02-16T20:50:53.04
IV.CORL.HNN. ML:3.5 0.0002595 0.7 AML other m 2023-02-16T20:50:54.35
IV.CORL.HHN. ML:3.5 0.0002725 0.7 AML other m 2023-02-16T20:50:54.35
IV.CLTA.HHE. ML:3.4 0.0004265 1.38 AML other m 2023-02-16T20:50:54.12
IV.ESML.HHN. ML:3.8 0.0006635 0.78 AML other m 2023-02-16T20:50:54.61
IV.ESML.HNN. ML:3.9 0.000801 0.8 AML other m 2023-02-16T20:50:54.66
IV.GALF.HHE. ML:3.9 0.000893 1.04 AML other m 2023-02-16T20:50:54.93
IV.AGST.EHN. ML:4.1 0.0018549999999999999 0.7 AML other m 2023-02-16T20:50:55.09
IV.CMDO.HHE. ML:3.6 0.0005340000000000001 0.42 AML other m 2023-02-16T20:50:56.30
IV.CMDO.HNE. ML:3.6 0.00054 0.42 AML other m 2023-02-16T20:50:56.30
IV.CMDO.HNN. ML:3.6 0.0004595 0.6 AML other m 2023-02-16T20:50:57.38
IV.CMDO.HHN. ML:3.6 0.000463 0.64 AML other m 2023-02-16T20:50:57.39
IV.CLTA.HHN. ML:3.4 0.0004215 0.44 AML other m 2023-02-16T20:50:57.94
IV.GALF.HNN. ML:3.4 0.000263 0.52 AML other m 2023-02-16T20:50:57.95
IV.GALF.HNE. ML:3.3 0.0002145 0.96 AML other m 2023-02-16T20:50:59.11
IV.SOI.EHE. ML:3.5 0.00016999999999999999 0.54 AML other m 2023-02-16T20:51:00.91
IV.PLAC.HHN. ML:3.5 0.00014050000000000003 0.46 AML other m 2023-02-16T20:51:02.67
IV.GALF.HHN. ML:4.1 0.001325 1.3 AML other m 2023-02-16T20:51:03.73
IV.MMGO.HHN. ML:2.9 0.0000718 0.42 AML other m 2023-02-16T20:51:05.95
IV.MMGO.HNE. ML:3.0 0.00008275 0.66 AML other m 2023-02-16T20:51:05.45
IV.PLAC.HHE. ML:3.5 0.00013700000000000002 0.44 AML other m 2023-02-16T20:51:06.23
IV.MSFR.HHN. ML:3.7 0.00037650000000000004 0.42 AML other m 2023-02-16T20:51:06.16
IV.PLAC.HNE. ML:3.6 0.0001545 0.62 AML other m 2023-02-16T20:51:06.23
IV.ESML.HHE. ML:3.7 0.0005809999999999999 0.64 AML other m 2023-02-16T20:51:06.86
IV.SOLUN.HHE. ML:3.6 0.00029749999999999997 0.58 AML other m 2023-02-16T20:51:06.27
IV.CSLB.HNE. ML:3.5 0.00026149999999999996 1.34 AML other m 2023-02-16T20:51:06.68
IV.CSLB.HHE. ML:3.5 0.000249 1.34 AML other m 2023-02-16T20:51:06.69
IV.EPZF.HHE. ML:4.0 0.0009279999999999999 1.58 AML other m 2023-02-16T20:51:07.12
IV.ESML.HNE. ML:3.8 0.0006319999999999999 0.9 AML other m 2023-02-16T20:51:07.62
IV.MMGO.HNN. ML:2.9 0.00007845 1.6 AML other m 2023-02-16T20:51:08.13
IV.CSLB.HNN. ML:3.5 0.000246 1.1 AML other m 2023-02-16T20:51:08.84
IV.MMGO.HHE. ML:2.9 0.0000764 1.1 AML other m 2023-02-16T20:51:08.85
IV.CSLB.HHN. ML:3.5 0.0002525 1.08 AML other m 2023-02-16T20:51:08.85
IV.AIO.HHN. ML:3.8 0.00046899999999999996 0.42 AML other m 2023-02-16T20:51:10.57
IV.CAVT.HHE. ML:3.5 0.00027400000000000005 0.74 AML other m 2023-02-16T20:51:11.54
IV.CAVT.HNE. ML:3.2 0.0001455 0.74 AML other m 2023-02-16T20:51:11.54
IV.CAVT.HNN. ML:3.2 0.00015 0.4 AML other m 2023-02-16T20:51:12.10
IV.CAVT.HHN. ML:3.6 0.0003275 0.42 AML other m 2023-02-16T20:51:12.10
IV.AIO.HHE. ML:3.7 0.0003875 0.54 AML other m 2023-02-16T20:51:12.67
IV.SOLUN.HHN. ML:3.5 0.0002465 0.94 AML other m 2023-02-16T20:51:13.03
IV.PLLN.EHN. ML:4.1 0.001094 1.04 AML other m 2023-02-16T20:51:13.78
IV.MSRU.HHN. ML:3.9 0.000477 1 AML other m 2023-02-16T20:51:14.47
IV.CIMI.HNN. ML:3.7 0.000429 0.8 AML other m 2023-02-16T20:51:14.97
IV.CIMI.HHN. ML:3.7 0.00042300000000000004 0.8 AML other m 2023-02-16T20:51:14.98
IV.MPNC.HHN. ML:4.2 0.001009 1.1 AML other m 2023-02-16T20:51:15.28
IV.MUCR.HHN. ML:3.8 0.00048699999999999997 0.42 AML other m 2023-02-16T20:51:16.01
IV.EPZF.HHN. ML:4.1 0.001091 0.66 AML other m 2023-02-16T20:51:16.41
IV.MSFR.HHE. ML:3.6 0.0003215 0.48 AML other m 2023-02-16T20:51:17.18
IV.CIMI.HHE. ML:3.6 0.0003715 0.72 AML other m 2023-02-16T20:51:17.80
IV.CIMI.HNE. ML:3.6 0.000376 0.74 AML other m 2023-02-16T20:51:17.81
IV.MUCR.HHE. ML:3.8 0.0004695 0.44 AML other m 2023-02-16T20:51:18.05
IV.SICLA.EHN. ML:3.7 0.00028399999999999996 1.02 AML other m 2023-02-16T20:51:20.23
IV.MPNC.HHE. ML:3.9 0.0005765 0.78 AML other m 2023-02-16T20:51:25.01
IV.CET2.HHE. ML:3.7 0.0001125 1.26 AML other m 2023-02-16T20:51:25.25
IV.IVPL.HHN. ML:4.1 0.0006554999999999999 0.78 AML other m 2023-02-16T20:51:26.69
IV.IVPL.HNN. ML:4.1 0.0006765 0.8 AML other m 2023-02-16T20:51:26.69
IV.MSRU.HHE. ML:4.0 0.0005805000000000001 1.32 AML other m 2023-02-16T20:51:26.16
IV.SICLA.EHE. ML:3.7 0.00028649999999999997 0.42 AML other m 2023-02-16T20:51:28.64
IV.IVPL.HNE. ML:4.0 0.000633 0.64 AML other m 2023-02-16T20:51:29.63
IV.IVPL.HHE. ML:4.0 0.000619 0.68 AML other m 2023-02-16T20:51:29.64
IV.SELL.HHN. ML:3.3 0.00005425 0.86 AML other m 2023-02-16T20:51:32.14
IV.IFIL.HHN. ML:3.9 0.0003925 0.64 AML other m 2023-02-16T20:51:32.49
IV.IFIL.HHE. ML:4.3 0.0009730000000000001 0.64 AML other m 2023-02-16T20:51:33.50
IV.SELL.HHE. ML:3.5 0.00007985 0.42 AML other m 2023-02-16T20:51:39.22
IV.PLAC.HNN. ML:3.6 0.00014500000000000003 0.58 AML other m 2023-02-16T20:51:39.50
IV.CET2.HHN. ML:3.9 0.00016700000000000002 0.64 AML other m 2023-02-16T20:51:42.46
IV.SELL.HNE. ML:4.0 0.000263 1.02 AML other m 2023-02-16T20:51:46.60
IV.CAR1.HHN. ML:3.8 0.00015099999999999998 1.14 AML other m 2023-02-16T20:51:50.76
IV.CAR1.HHE. ML:3.9 0.0001815 1 AML other m 2023-02-16T20:51:53.26
IV.TDS.HHN. ML:3.4 0.000047799999999999996 1.26 AML other m 2023-02-16T20:51:56.16
IV.GRIS.EHN. ML:3.5 0.000057050000000000004 0.62 AML other m 2023-02-16T20:51:57.52
IV.GRIS.EHE. ML:3.7 0.00009279999999999999 1.52 AML other m 2023-02-16T20:51:59.87
IV.TDS.HHE. ML:3.6 0.00008135000000000001 0.52 AML other m 2023-02-16T20:52:03.69
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