Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 02-12-2019 and time 12:38:53 (Italy) in region 4 km SW Gangi (PA)

A magnitude ML 2.4 earthquake occured in region: 4 km SW Gangi (PA), on

  • 02-12-2019 11:38:53 (UTC)
  • 02-12-2019 12:38:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7640, 14.1850 at 17 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gangi PA 4 6811 6811
Bompietro PA 8 1401 8212
Petralia Soprana PA 8 3360 11572
Petralia Sottana PA 9 2821 14393
Blufi PA 10 1029 15422
Alimena PA 10 2032 17454
Geraci Siculo PA 11 1945 19399
Castellana Sicula PA 13 3411 22810
Sperlinga EN 15 805 23615
Resuttano CL 16 2038 25653
San Mauro Castelverde PA 17 1701 27354
Polizzi Generosa PA 17 3407 30761
Castel di Lucio ME 18 1294 32055
Nicosia EN 19 13899 45954
Villarosa EN 19 4937 50891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Caltanissetta (63360 inhabitants)
69 Km SE of Bagheria (55387 inhabitants)
73 Km NE of Agrigento (59770 inhabitants)
78 Km N of Gela (75827 inhabitants)
82 Km SE of Palermo (674435 inhabitants)
85 Km W of Catania (314555 inhabitants)
88 Km W of Acireale (52622 inhabitants)
96 Km NW of Vittoria (63339 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 2.4 2019-12-02
11:38:53		 37.7635 14.1847 17 2020-02-28
16:42:14		 Bollettino Sismico Italiano INGV 74735061
Reviewed
Rev100 		ML 2.4 2019-12-02
11:38:52		 37.7632 14.1527 20 2019-12-02
11:50:40		 Sala Sismica INGV-Roma 74247271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-02 11:38:53 ± 0.16
Latitude 37.7635 ± 0.0081
Longitude 14.1847 ± 0.0114
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74735061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25365
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 74735061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-17 11:47:40

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 74247271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-02 11:50:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2019-12-02T11:39:15.58 0.3 undecidable manual P 147 139.1607 93 -0.41 59
IV.SSY.HHZ. 2019-12-02T11:39:10.15 0.6 undecidable manual P 130 103.2189 94 -0.3 43
IV.IFIL.HHZ. 2019-12-02T11:39:09.62 0.3 undecidable manual P 21 95.1381 94 0.41 65
IV.IVPL.HHZ. 2019-12-02T11:39:09.71 0.3 undecidable manual P 45 97.2249 94 0.18 68
IV.AIO.HHZ. 2019-12-02T11:39:09.70 0.3 undecidable manual P 76 94.6386 94 0.56 63
IV.IACL.HHZ. 2019-12-02T11:39:08.13 0.6 undecidable manual P 10 86.6466 95 0.22 46
IV.HLNI.HHZ. 2019-12-02T11:39:06.23 0.6 undecidable manual P 127 75.9684 96 -0.04 48
IV.SOLUN.HHZ. 2019-12-02T11:39:05.58 0.3 undecidable manual P 303 67.6767 97 0.57 66
IV.MUCR.HHZ. 2019-12-02T11:39:04.90 0.1 positive manual P 63 67.7766 97 -0.13 96
IV.GIB.HHZ. 2019-12-02T11:39:04.07 0.6 undecidable manual S 331 28.749 110 0.54 47
IV.CMDO.HHZ. 2019-12-02T11:39:04.40 0.3 undecidable manual P 224 46.0206 101 2.7 12
IV.RAFF.HHZ. 2019-12-02T11:39:03.93 0.6 undecidable manual P 165 61.9935 97 -0.21 48
IV.PLLN.EHZ. 2019-12-02T11:39:03.35 0.6 undecidable manual S 352 25.6521 113 0.58 47
IV.CSLB.HHZ. 2019-12-02T11:39:02.15 0.3 undecidable manual S 330 22.2555 118 0.2 78
IV.CPTP.HHZ. 2019-12-02T11:39:01.63 0.6 undecidable manual P 183 39.5271 103 0.91 40
IV.RESU.HHZ. 2019-12-02T11:39:01.22 0.3 undecidable manual S 221 17.1717 127 0.43 74
IV.MSFR.HHZ. 2019-12-02T11:39:01.64 0.1 positive manual P 50 46.5201 100 -0.14 100
IV.VAE.HHZ. 2019-12-02T11:39:00.92 3.0 undecidable manual P 0
IV.GALF.HHZ. 2019-12-02T11:39:00.17 0.3 undecidable manual P 100 34.0437 106 0.28 75
IV.ALJA.HHZ. 2019-12-02T11:39:00.34 0.3 undecidable manual P 268 37.8288 104 -0.12 76
IV.PETRA.HHZ. 2019-12-02T11:38:59.41 0.3 undecidable manual S 322 9.879 145 -0.01 82
IV.PLLN.EHZ. 2019-12-02T11:38:58.35 0.1 undecidable manual P 352 25.6521 113 -0.33 100
IV.GIB.HHZ. 2019-12-02T11:38:58.49 0.1 undecidable manual P 331 28.749 110 -0.63 91
IV.CSLB.HHZ. 2019-12-02T11:38:57.49 0.3 undecidable manual P 330 22.2555 118 -0.72 66
IV.PETRA.HHZ. 2019-12-02T11:38:56.23 0.1 positive manual P 322 9.879 145 -0.52 98
IV.RESU.HHZ. 2019-12-02T11:38:56.92 0.3 undecidable manual P 221 17.1717 127 -0.62 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:2.6 0.0031266515 0.3392 AML other m 2019-12-02T11:39:00.11
IV.PETRA.HHE. ML:2.8 0.0047596455 0.4352 AML other m 2019-12-02T11:39:00.03
IV.CSLB.HHN. ML:2.0 0.0006106982999999999 0.2368 AML other m 2019-12-02T11:39:03.05
IV.CSLB.HHE. ML:2.0 0.0005012271000000001 0.4032 AML other m 2019-12-02T11:39:02.51
IV.PLLN.EHE. ML:2.6 0.001833817 0.5184 AML other m 2019-12-02T11:39:05.88
IV.PLLN.EHN. ML:2.7 0.0025663150000000004 0.3648 AML other m 2019-12-02T11:39:04.98
IV.GIB.HHE. ML:2.5 0.001474628 0.3584 AML other m 2019-12-02T11:39:04.44
IV.GIB.HHN. ML:2.6 0.001650665 0.5056 AML other m 2019-12-02T11:39:04.55
IV.GALF.HHN. ML:2.4 0.0010761629 0.5568 AML other m 2019-12-02T11:39:11.72
IV.GALF.HNE. ML:1.6 0.00014044533500000002 0.4032 AML other m 2019-12-02T11:39:11.08
IV.GALF.HNN. ML:1.7 0.00018819185 0.64 AML other m 2019-12-02T11:39:10.97
IV.GALF.HHE. ML:2.5 0.001320297 0.5568 AML other m 2019-12-02T11:39:11.28
IV.ALJA.HHN. ML:2.2 0.0005845028500000001 0.3008 AML other m 2019-12-02T11:39:10.98
IV.RAFF.HHE. ML:1.8 0.00012878075 0.4992 AML other m 2019-12-02T11:39:22.98
IV.MUCR.HHE. ML:2.1 0.0002342357 0.4608 AML other m 2019-12-02T11:39:24.14
IV.MUCR.HHN. ML:2.2 0.0002996138 0.8448 AML other m 2019-12-02T11:39:26.80
IV.SOLUN.HHE. ML:2.3 0.00031731195 0.6784 AML other m 2019-12-02T11:39:18.72
IV.SOLUN.HHN. ML:2.2 0.00026602855000000005 0.6016 AML other m 2019-12-02T11:39:17.62
IV.HLNI.HHE. ML:1.7 0.00008042941500000001 0.2368 AML other m 2019-12-02T11:39:22.14
IV.HLNI.HHN. ML:2.0 0.0001333321 0.3008 AML other m 2019-12-02T11:39:19.38
IV.IACL.HHN. ML:2.4 0.000304825 0.2176 AML other m 2019-12-02T11:39:20.00
IV.IACL.HHE. ML:2.5 0.00036160950000000005 0.2624 AML other m 2019-12-02T11:39:28.26
IV.IFIL.HHE. ML:3.0 0.00112760465 0.1792 AML other m 2019-12-02T11:39:24.51
IV.IFIL.HHN. ML:2.6 0.00043678300000000005 0.2048 AML other m 2019-12-02T11:39:24.72
IV.AIO.HHN. ML:2.3 0.00020418685 0.5376 AML other m 2019-12-02T11:39:32.76
IV.AIO.HHE. ML:2.2 0.00018512615 0.64 AML other m 2019-12-02T11:39:31.40
IV.IVPL.HHN. ML:2.4 0.0002919343 0.4352 AML other m 2019-12-02T11:39:32.16
IV.IVPL.HHE. ML:2.5 0.0003102817 0.8384 AML other m 2019-12-02T11:39:35.93
IV.SSY.HHE. ML:2.5 0.00032325935 0.2368 AML other m 2019-12-02T11:39:29.89
IV.SSY.HHN. ML:3.0 0.00099652285 0.2624 AML other m 2019-12-02T11:39:30.47
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
Waveforms Seismic signals in miniseed + resp format Download