Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 02-12-2019 and time 11:37:57 (UTC) 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 11:37:57 (UTC)
  • 02-12-2019 12:37:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7690, 14.1760 at 19 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
Petralia Soprana PA 7 3360 10171
Bompietro PA 7 1401 11572
Petralia Sottana PA 8 2821 14393
Blufi PA 9 1029 15422
Alimena PA 10 2032 17454
Geraci Siculo PA 10 1945 19399
Castellana Sicula PA 12 3411 22810
Sperlinga EN 16 805 23615
Resuttano CL 16 2038 25653
Polizzi Generosa PA 16 3407 29060
San Mauro Castelverde PA 16 1701 30761
Castel di Lucio ME 18 1294 32055
Nicosia EN 20 13899 45954
Villarosa EN 20 4937 50891
Castelbuono PA 20 8943 59834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Caltanissetta (63360 inhabitants)
68 Km SE of Bagheria (55387 inhabitants)
73 Km NE of Agrigento (59770 inhabitants)
78 Km N of Gela (75827 inhabitants)
81 Km SE of Palermo (674435 inhabitants)
86 Km W of Catania (314555 inhabitants)
89 Km W of Acireale (52622 inhabitants)
97 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
11:37:57		 37.7688 14.1758 19 2020-02-28
16:42:14		 Bollettino Sismico Italiano INGV 74737361
Reviewed
Rev100 		ML 2.4 2019-12-02
11:37:57		 37.7653 14.1565 19 2019-12-02
11:45:08		 Sala Sismica INGV-Roma 74247171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-02 11:37:57 ± 0.17
Latitude 37.7688 ± 0.0090
Longitude 14.1758 ± 0.0114
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74737361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 970
Semi-minor axis of confidence ellipse (meter) 643
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93799
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 74737361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-17 14:21:58

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 74247171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-02 11:45:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILLI.HHE. 2019-12-02T11:38:15.86 3.0 undecidable manual P 0.98 0
IV.SSY.HHN. 2019-12-02T11:38:14.89 0.3 undecidable manual P 130 104.118 95 -0.3 61
IV.IFIL.HHE. 2019-12-02T11:38:13.76 0.6 undecidable manual P 21 94.8384 95 -0.01 45
IV.IACL.HHE. 2019-12-02T11:38:12.55 0.3 undecidable manual P 10 86.247 96 0.11 67
IV.MUCR.HHN. 2019-12-02T11:38:09.67 0.1 undecidable manual P 63 68.2761 98 -0.02 93
IV.SOLUN.HHZ. 2019-12-02T11:38:09.25 0.6 undecidable manual P 303 66.6777 98 -0.21 45
IV.PLLN.EHZ. 2019-12-02T11:38:08.02 0.6 undecidable manual S 353 24.9528 118 0.66 42
IV.GIB.HHZ. 2019-12-02T11:38:08.83 0.6 undecidable manual S 332 27.8499 114 0.79 40
IV.CMDO.HHE. 2019-12-02T11:38:08.04 0.6 undecidable manual P 223 45.9207 103 1.74 24
IV.MSFR.HHZ. 2019-12-02T11:38:06.36 0.1 positive manual P 51 46.8198 103 -0.08 96
IV.CPTP.HHZ. 2019-12-02T11:38:06.15 1.0 undecidable manual P 182 40.1265 106 0.71 21
IV.CSLB.HHZ. 2019-12-02T11:38:06.87 0.6 undecidable manual S 331 21.3675 123 0.35 47
IV.RESU.HHZ. 2019-12-02T11:38:05.52 0.6 undecidable manual S 218 17.0718 130 -0.09 51
IV.ALJA.HHZ. 2019-12-02T11:38:05.33 0.3 undecidable manual P 267 37.0296 107 0.34 70
IV.GALF.HHZ. 2019-12-02T11:38:05.02 0.1 undecidable manual P 101 34.8429 109 0.35 94
IV.PETRA.HHZ. 2019-12-02T11:38:04.26 0.3 undecidable manual S 323 8.9799 150 0.05 77
IV.PLLN.EHZ. 2019-12-02T11:38:03.16 0.1 positive manual P 353 24.9528 118 -0.1 100
IV.GIB.HHZ. 2019-12-02T11:38:03.29 0.1 undecidable manual P 332 27.8499 114 -0.37 94
IV.CSLB.HHZ. 2019-12-02T11:38:02.39 0.3 undecidable manual P 331 21.3675 123 -0.39 71
IV.PETRA.HHZ. 2019-12-02T11:38:01.00 0.1 positive manual P 323 8.9799 150 -0.45 96
IV.RESU.HHZ. 2019-12-02T11:38:01.68 0.3 undecidable manual P 218 17.0718 130 -0.57 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:2.4 0.0022426815 0.2176 AML other m 2019-12-02T11:38:04.92
IV.PETRA.HHE. ML:2.7 0.0042232715 0.48 AML other m 2019-12-02T11:38:04.85
IV.CSLB.HHN. ML:1.9 0.0004005532 0.4416 AML other m 2019-12-02T11:38:09.44
IV.CSLB.HHE. ML:1.9 0.00040479325 0.4224 AML other m 2019-12-02T11:38:07.31
IV.PLLN.EHE. ML:2.5 0.0015863904 0.3008 AML other m 2019-12-02T11:38:08.77
IV.PLLN.EHN. ML:2.6 0.0021130325 0.3776 AML other m 2019-12-02T11:38:09.96
IV.GIB.HHE. ML:2.4 0.0012709470000000001 0.384 AML other m 2019-12-02T11:38:12.23
IV.GIB.HHN. ML:2.6 0.001706763 0.4992 AML other m 2019-12-02T11:38:09.35
IV.GALF.HHN. ML:2.3 0.00076175485 0.6784 AML other m 2019-12-02T11:38:13.70
IV.ALJA.HHN. ML:2.1 0.00042260949999999996 0.4224 AML other m 2019-12-02T11:38:15.77
IV.SOLUN.HHE. ML:2.2 0.00027050675000000004 0.896 AML other m 2019-12-02T11:38:22.09
IV.SOLUN.HHN. ML:2.1 0.00023641630000000003 0.5824 AML other m 2019-12-02T11:38:22.39
IV.MUCR.HHE. ML:2.1 0.00018861585000000001 0.416 AML other m 2019-12-02T11:38:28.86
IV.MUCR.HHN. ML:2.2 0.00023849094999999997 0.4032 AML other m 2019-12-02T11:38:29.63
IV.IACL.HHN. ML:2.4 0.000294228 0.2624 AML other m 2019-12-02T11:38:29.64
IV.IACL.HHE. ML:2.4 0.0002792429 0.3584 AML other m 2019-12-02T11:38:31.16
IV.IFIL.HHN. ML:2.5 0.00030955349999999996 0.3392 AML other m 2019-12-02T11:38:29.50
IV.IFIL.HHE. ML:2.9 0.0008878553499999999 0.4224 AML other m 2019-12-02T11:38:31.59
IV.SSY.HHE. ML:2.5 0.0003052177 0.2624 AML other m 2019-12-02T11:38:34.64
IV.SSY.HHN. ML:2.8 0.0006606286999999999 0.256 AML other m 2019-12-02T11:38:35.50
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