Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.6 on date 19-02-2023 and time 09:28:55 (UTC) in region Malta [Sea]

A magnitude ML 3.6 earthquake occured in region: Malta [Sea], on

  • 19-02-2023 09:28:55 (UTC)
  • 19-02-2023 10:28:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.6670, 14.3620 at 39 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.

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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
Reviewed
Rev100 		ML 3.6 2023-02-19
09:28:55		 34.6667 14.3617 39 2023-02-19
09:47:09		 Sala Sismica INGV-Roma 114584831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-19 09:28:55 ± 0.14
Latitude 34.6667 ± 0.0045
Longitude 14.3617 ± 0.0000
Depth (km) 39 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114584831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 8
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 332
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 2.16916
Epicentral distance of station farthest from the epicenter (degree) 5.37884
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitude information

ML:3.6

Field Value
Value 3.6
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 114584831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-19 09:47:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-02-19T09:30:31.94 0.6 undecidable manual S 14 411.9765 90 0.71 43
IV.CSLB.HHZ. 2023-02-19T09:30:20.70 0.6 undecidable manual S 356 363.858 90 -0.17 64
IV.MMN.HHZ. 2023-02-19T09:30:14.40 1.0 undecidable manual P 13 597.0468 90 0.71 13
IV.HLNI.HHZ. 2023-02-19T09:30:07.49 0.6 undecidable manual S 9 300.9765 90 0.17 80
IV.HCRL.HHZ. 2023-02-19T09:30:05.44 0.6 undecidable manual S 12 296.3811 90 -0.89 65
IV.HMDC.HHZ. 2023-02-19T09:30:00.56 0.6 undecidable manual S 8 257.0538 90 2.7 14
IV.CROCE.HHZ. 2023-02-19T09:29:52.03 1.0 undecidable manual S 4 240.7812 90 -2.31 14
TV.GMB1.HHZ. 2023-02-19T09:29:51.07 0.1 undecidable manual P 18 409.9785 90 0.66 90
IV.MSRU.HHZ. 2023-02-19T09:29:51.14 0.6 undecidable manual P 14 411.9765 90 0.49 47
IV.SOI.EHZ. 2023-02-19T09:29:50.52 0.6 negative manual P 21 406.9815 90 0.48 49
IV.MPNC.HHZ. 2023-02-19T09:29:49.26 0.3 negative manual P 13 396.0036 90 0.59 75
IV.MSFR.HHZ. 2023-02-19T09:29:46.43 0.6 positive manual P 3 374.0478 90 0.49 57
IV.MUCR.HHZ. 2023-02-19T09:29:46.39 0.6 negative manual P 7 377.3334 90 0.05 62
IV.PLLN.EHZ. 2023-02-19T09:29:45.99 0.3 positive manual P 357 369.4524 90 0.62 83
IV.GIB.HHZ. 2023-02-19T09:29:44.93 0.6 positive manual P 355 369.852 90 -0.49 58
IV.EPZF.HHZ. 2023-02-19T09:29:44.72 0.6 positive manual P 7 352.98 90 1.4 41
IV.CSLB.HHZ. 2023-02-19T09:29:43.77 1.0 positive manual P 356 363.858 90 -0.9 25
IV.GALF.HHZ. 2023-02-19T09:29:41.91 0.3 negative manual P 3 338.2059 90 0.44 100
IV.CPTP.HHZ. 2023-02-19T09:29:37.53 0.6 undecidable manual P 357 304.5618 90 0.24 78
IV.HLNI.HHZ. 2023-02-19T09:29:35.78 0.6 undecidable manual P 9 300.9765 90 -1.06 58
IV.HCRL.HHZ. 2023-02-19T09:29:35.46 0.6 undecidable manual P 12 296.3811 90 -0.81 66
IV.SSY.HHZ. 2023-02-19T09:29:34.57 0.6 undecidable manual P 13 283.605 90 -0.11 86
IV.HVZN.HHZ. 2023-02-19T09:29:34.51 0.6 undecidable manual P 6 280.4082 90 0.23 85
IV.CLTA.HHE. 2023-02-19T09:29:33.05 1.0 undecidable manual P 353 278.7099 90 -1.02 32
IV.RAFF.HHZ. 2023-02-19T09:29:33.93 1.0 undecidable manual P 0 283.5051 90 -0.74 36
IV.ACATE.EHE. 2023-02-19T09:29:32.00 0.6 undecidable manual P 3 261.738 90 0.04 94
IV.HAVL.HHZ. 2023-02-19T09:29:31.46 1.0 undecidable manual P 15 263.3364 90 -0.7 39
IV.HVIT.HHE. 2023-02-19T09:29:31.19 0.6 undecidable manual P 3 258.4413 90 -0.35 88
IV.HMDC.HHZ. 2023-02-19T09:29:31.01 0.6 undecidable manual P 8 257.0538 90 -0.37 88
IV.CROCE.HHZ. 2023-02-19T09:29:28.68 0.6 undecidable manual P 4 240.7812 90 -0.67 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HHN. ML:3.2 0.000311 0.66 AML other m 2023-02-19T09:29:34.55
IV.CROCE.HNN. ML:3.3 0.000407 0.82 AML other m 2023-02-19T09:29:35.89
IV.HMDC.HNE. ML:3.4 0.00044999999999999993 0.64 AML other m 2023-02-19T09:29:38.74
IV.HMDC.HHE. ML:2.7 0.00009685 1.48 AML other m 2023-02-19T09:29:39.06
IV.HVZN.HHE. ML:3.9 0.0010495 0.5 AML other m 2023-02-19T09:29:43.47
IV.HVZN.HNE. ML:3.8 0.0010429999999999999 0.48 AML other m 2023-02-19T09:29:43.48
IV.SSY.HNN. ML:3.9 0.0010595 0.4 AML other m 2023-02-19T09:29:45.43
IV.CROCE.HNE. ML:3.2 0.00029499999999999996 1.1 AML other m 2023-02-19T09:29:46.09
IV.SSY.HHE. ML:4.1 0.001615 0.6 AML other m 2023-02-19T09:29:46.55
IV.CROCE.HHE. ML:3.1 0.00023649999999999998 0.34 AML other m 2023-02-19T09:29:46.64
IV.HVZN.HHN. ML:3.7 0.0006965 1.48 AML other m 2023-02-19T09:29:47.74
IV.HMDC.HHN. ML:3.5 0.000532 1.26 AML other m 2023-02-19T09:29:47.94
IV.HMDC.HNN. ML:3.5 0.000612 1.28 AML other m 2023-02-19T09:29:47.95
IV.HVZN.HNN. ML:3.8 0.000833 0.84 AML other m 2023-02-19T09:29:48.69
IV.HCRL.HHN. ML:3.4 0.00028349999999999995 1.66 AML other m 2023-02-19T09:29:48.99
IV.SSY.HHN. ML:4.4 0.003585 0.38 AML other m 2023-02-19T09:29:49.84
IV.SSY.HNE. ML:3.9 0.001175 0.38 AML other m 2023-02-19T09:29:49.85
IV.EPZF.HHN. ML:3.8 0.000526 1.36 AML other m 2023-02-19T09:29:49.13
IV.RAFF.HHE. ML:3.6 0.0005395 0.46 AML other m 2023-02-19T09:30:02.55
IV.MPNC.HHN. ML:3.9 0.00043100000000000007 0.5 AML other m 2023-02-19T09:30:02.65
IV.MPNC.HHE. ML:4.0 0.0006639999999999999 0.56 AML other m 2023-02-19T09:30:03.33
IV.RAFF.HHN. ML:3.6 0.0005925 0.86 AML other m 2023-02-19T09:30:03.84
IV.EPZF.HHE. ML:3.8 0.0005254999999999999 1.38 AML other m 2023-02-19T09:30:03.78
IV.MSFR.HHE. ML:3.1 0.00008635 0.94 AML other m 2023-02-19T09:30:04.83
IV.HCRL.HHE. ML:3.3 0.00023799999999999998 1.2 AML other m 2023-02-19T09:30:05.04
IV.HLNI.HHE. ML:3.4 0.0003165 1.28 AML other m 2023-02-19T09:30:05.71
IV.HLNI.HHN. ML:3.5 0.00039400000000000004 0.84 AML other m 2023-02-19T09:30:07.79
IV.GALF.HHN. ML:3.9 0.0007965 0.74 AML other m 2023-02-19T09:30:18.46
IV.GALF.HHE. ML:3.9 0.0007019999999999999 0.58 AML other m 2023-02-19T09:30:23.52
IV.MSFR.HHN. ML:3.3 0.000125 1.16 AML other m 2023-02-19T09:30:26.72
IV.MMN.HHN. ML:3.6 0.000067 1.32 AML other m 2023-02-19T09:30:28.88
IV.PLLN.EHE. ML:4.0 0.000775 0.6 AML other m 2023-02-19T09:30:29.37
IV.CSLB.HHE. ML:3.4 0.00017635 0.74 AML other m 2023-02-19T09:30:29.41
IV.GIB.HHN. ML:3.9 0.000644 0.42 AML other m 2023-02-19T09:30:30.64
IV.SOI.EHE. ML:3.4 0.00014150000000000002 0.8 AML other m 2023-02-19T09:30:30.51
IV.GIB.HHE. ML:4.0 0.0007704999999999999 1.4 AML other m 2023-02-19T09:30:30.97
IV.CSLB.HNE. ML:3.4 0.00016849999999999998 0.86 AML other m 2023-02-19T09:30:31.02
IV.MUCR.HHN. ML:3.5 0.0002205 1.42 AML other m 2023-02-19T09:30:32.96
IV.MSRU.HHN. ML:3.9 0.000435 0.98 AML other m 2023-02-19T09:30:33.45
IV.SOI.EHN. ML:3.3 0.00011750000000000001 0.56 AML other m 2023-02-19T09:30:33.87
IV.MSRU.HHE. ML:4.0 0.0005620000000000001 1.08 AML other m 2023-02-19T09:30:34.01
TV.GMB1.HNN. ML:3.5 0.000187 0.74 AML other m 2023-02-19T09:30:34.55
TV.GMB1.HHN. ML:3.0 0.000059399999999999994 0.74 AML other m 2023-02-19T09:30:34.55
IV.MUCR.HHE. ML:3.4 0.000178 0.88 AML other m 2023-02-19T09:30:34.70
IV.CSLB.HNN. ML:3.3 0.00014749999999999998 0.74 AML other m 2023-02-19T09:30:34.53
IV.CSLB.HHN. ML:3.3 0.0001375 0.58 AML other m 2023-02-19T09:30:34.54
IV.PLLN.EHN. ML:4.0 0.0008105 0.54 AML other m 2023-02-19T09:30:34.88
TV.GMB1.HHE. ML:2.9 0.000045950000000000006 0.58 AML other m 2023-02-19T09:30:36.89
TV.GMB1.HNE. ML:3.4 0.000144 0.58 AML other m 2023-02-19T09:30:36.60
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