Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 21-09-2019 and time 00:46:30 (Italy) in region 3 km NW Caltagirone (CT)

A magnitude ML 2.4 earthquake occured in region: 3 km NW Caltagirone (CT), on

  • 20-09-2019 22:46:30 (UTC)
  • 21-09-2019 00:46:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2610, 14.5000 at 9 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
Caltagirone CT 3 38686 38686
San Michele di Ganzaria CT 7 3245 41931
Mirabella Imbaccari CT 9 4912 46843
San Cono CT 12 2697 49540
Grammichele CT 13 13418 62958
Niscemi CL 16 27558 90516
Mineo CT 17 5159 95675
Aidone EN 18 4889 100564
Piazza Armerina EN 18 21886 122450

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Gela (75827 inhabitants)
35 Km N of Vittoria (63339 inhabitants)
43 Km NW of Ragusa (73313 inhabitants)
47 Km SE of Caltanissetta (63360 inhabitants)
50 Km NW of Modica (54633 inhabitants)
59 Km W of Catania (314555 inhabitants)
71 Km SW of Acireale (52622 inhabitants)
74 Km W of Siracusa (122291 inhabitants)
81 Km E of Agrigento (59770 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 2019-09-20
22:46:30		 37.2612 14.5003 9 2020-02-28
16:42:08		 Bollettino Sismico Italiano INGV 73965831
Reviewed
Rev100 		ML 2.3 2019-09-20
22:46:31		 37.2807 14.4882 10 2019-09-20
22:56:42		 Sala Sismica INGV-Roma 72597161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 22:46:30 ± 0.12
Latitude 37.2612 ± 0.0045
Longitude 14.5003 ± 0.0068
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73965831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 409
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.48658
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 73965831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-22 14:17:21

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 72597161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 22:56:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2019-09-20T22:48:00.21 3.0 undecidable manual Sg 6.54 0
MN.CEL.HHZ. 2019-09-20T22:47:18.00 0.6 undecidable manual S 47 165.0126 50 0.05 36
IV.MSRU.HHZ. 2019-09-20T22:47:12.00 0.3 undecidable manual S 38 142.0467 50 0.17 58
IV.CORL.HHZ. 2019-09-20T22:47:09.30 3.0 undecidable manual S 304 126.4734 50 1.63 0
IV.NOV.HHZ. 2019-09-20T22:47:01.80 0.3 undecidable manual S 33 101.7204 50 0.72 54
IV.AIO.HHZ. 2019-09-20T22:47:00.20 1.0 undecidable manual S 39 101.7204 50 -0.86 17
IV.MUCR.HHZ. 2019-09-20T22:46:59.30 1.0 undecidable manual S 21 92.7405 50 0.64 19
MN.CEL.HHZ. 2019-09-20T22:46:57.11 0.3 undecidable manual P 47 165.0126 50 -0.96 41
IV.HPAC.HHZ. 2019-09-20T22:46:55.60 0.3 undecidable manual S 142 77.5668 50 0.98 50
IV.MSRU.HHZ. 2019-09-20T22:46:53.75 0.3 undecidable manual P 38 142.0467 50 -0.79 48
IV.IFIL.HHZ. 2019-09-20T22:46:53.27 3.0 undecidable manual P 144.6441 -1.67 0
IV.PETRA.HHZ. 2019-09-20T22:46:52.80 3.0 undecidable manual S 332 71.9724 50 -0.32 0
IV.CORL.HHZ. 2019-09-20T22:46:52.14 0.3 undecidable manual P 304 126.4734 50 0.01 62
IV.IVPL.HHZ. 2019-09-20T22:46:52.19 0.3 undecidable manual P 19 130.6692 50 -0.59 53
IV.SCIAC.HHZ. 2019-09-20T22:46:51.07 3.0 undecidable manual P -1 0
IV.ISPIC.EHZ. 2019-09-20T22:46:51.50 0.3 undecidable manual S 146 64.1913 50 0.46 64
IV.AGST.EHZ. 2019-09-20T22:46:51.20 0.3 undecidable manual S 90 64.1913 50 0.16 68
IV.HAGA.HHZ. 2019-09-20T22:46:49.50 0.3 undecidable manual S 87 57.8976 50 0.15 69
IV.ESML.HHZ. 2019-09-20T22:46:48.40 0.6 undecidable manual S 40 51.8037 50 0.67 40
IV.SSY.HHZ. 2019-09-20T22:46:48.70 0.6 undecidable manual S 103 51.9036 50 0.93 36
IV.NOV.HHZ. 2019-09-20T22:46:48.04 0.1 undecidable manual P 33 101.7204 50 -0.28 82
IV.GALF.HHZ. 2019-09-20T22:46:48.00 0.6 undecidable manual S 7 50.2164 50 0.69 40
IV.AIO.HHZ. 2019-09-20T22:46:47.81 0.3 undecidable manual P 39 101.7204 50 -0.5 59
IV.CROCE.HHZ. 2019-09-20T22:46:46.60 0.3 undecidable manual S 176 47.619 50 -0.03 72
IV.CLTA.HHZ. 2019-09-20T22:46:46.30 0.3 undecidable manual S 257 48.9177 50 -0.67 61
IV.GIB.HHE. 2019-09-20T22:46:46.67 0.6 undecidable manual P 333 90.9423 50 0.01 44
IV.MUCR.HHZ. 2019-09-20T22:46:46.93 0.6 undecidable manual P 21 92.7405 50 0 44
IT.LNT.HGE. 2019-09-20T22:46:46.00 3.0 undecidable manual S 0.22 0
IV.PLLN.EHN. 2019-09-20T22:46:46.15 0.6 undecidable manual P 339 86.9463 50 0.1 44
IV.CSLB.HHZ. 2019-09-20T22:46:45.51 0.6 undecidable manual P 333 84.4488 50 -0.15 44
IV.MSFR.HHZ. 2019-09-20T22:46:45.85 0.3 undecidable manual P 5 86.0472 50 -0.06 66
IT.PPL1.HGE. 2019-09-20T22:46:45.61 3.0 undecidable manual P -0.39 0
IV.EPZF.HHZ. 2019-09-20T22:46:44.40 0.6 undecidable manual P 27 69.8745 50 0.99 34
IV.HPAC.HHZ. 2019-09-20T22:46:44.37 0.3 undecidable manual P 142 77.5668 50 -0.23 65
IV.CAGR.HHE. 2019-09-20T22:46:44.70 1.0 undecidable manual S 360 40.0266 50 0.11 24
IV.MNO.SHZ. 2019-09-20T22:46:44.52 0.6 undecidable manual P 13 76.2681 50 0.13 44
IV.PETRA.HHZ. 2019-09-20T22:46:44.12 0.6 undecidable manual P 332 71.9724 50 0.38 42
IV.CMDO.HHZ. 2019-09-20T22:46:43.18 0.3 undecidable manual P 291 63.7917 50 0.7 58
IV.HLNI.HHZ. 2019-09-20T22:46:43.10 0.3 undecidable manual S 73 34.2435 50 0.06 73
IV.RESU.HHZ. 2019-09-20T22:46:42.24 0.3 undecidable manual P 318 57.8976 50 0.68 60
IT.GEA.HGE. 2019-09-20T22:46:42.09 3.0 undecidable manual S 0.62 0
IV.ISPIC.EHZ. 2019-09-20T22:46:42.19 0.3 undecidable manual P 146 64.1913 50 -0.34 65
IV.ACATE.EHZ. 2019-09-20T22:46:41.20 0.3 undecidable manual S 180 26.3514 108 0.69 63
IV.AGST.EHZ. 2019-09-20T22:46:41.87 0.3 undecidable manual P 90 64.1913 50 -0.66 59
IV.ESML.HHZ. 2019-09-20T22:46:40.50 0.3 undecidable manual P 40 51.8037 50 -0.12 70
IV.SSY.HHZ. 2019-09-20T22:46:40.30 0.1 positive manual P 103 51.9036 50 -0.35 89
IV.GALF.HHZ. 2019-09-20T22:46:40.49 0.3 undecidable manual P 7 50.2164 50 0.12 70
IV.HAGA.HHZ. 2019-09-20T22:46:40.92 0.3 undecidable manual P 87 57.8976 50 -0.63 61
IV.HVZN.HHE. 2019-09-20T22:46:39.60 1.0 undecidable manual S 116 21.1677 112 0.78 20
IV.CROCE.HHZ. 2019-09-20T22:46:39.25 0.3 undecidable manual P 176 47.619 50 -0.73 59
IV.CLTA.HHZ. 2019-09-20T22:46:39.82 0.3 undecidable manual P 257 48.9177 50 -0.36 67
IV.CPTP.HHZ. 2019-09-20T22:46:38.24 0.3 undecidable manual P 299 33.9438 50 0.37 69
IT.LNT.HGE. 2019-09-20T22:46:38.79 3.0 undecidable manual P -0.75 0
IV.CAGR.HHE. 2019-09-20T22:46:38.66 0.6 undecidable manual P 360 40.0266 50 -0.15 47
IV.HLNI.HHZ. 2019-09-20T22:46:37.34 0.1 positive manual P 73 34.2435 50 -0.57 87
IT.GEA.HGE. 2019-09-20T22:46:36.24 3.0 undecidable manual P -0.81 0
IV.RAFF.HHZ. 2019-09-20T22:46:36.80 1.0 undecidable manual S 251 12.876 124 0.5 23
IV.ACATE.EHZ. 2019-09-20T22:46:36.26 0.1 negative manual P 180 26.3514 108 -0.2 96
IV.HVZN.HHE. 2019-09-20T22:46:35.58 0.3 undecidable manual P 116 21.1677 112 0.1 74
IV.RAFF.HHZ. 2019-09-20T22:46:34.13 0.1 negative manual P 251 12.876 124 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:2.3 0.002376667 0.384 AML other m 2019-09-20T22:46:38.21
IV.RAFF.HHN. ML:2.4 0.0026731470000000003 0.2176 AML other m 2019-09-20T22:46:38.13
IV.ACATE.EHN. ML:2.6 0.002520604 0.2432 AML other m 2019-09-20T22:46:43.61
IV.ACATE.EHE. ML:2.8 0.0033944375 0.32 AML other m 2019-09-20T22:46:41.54
IV.ACATE.HNE. ML:2.8 0.0036826515 0.32 AML other m 2019-09-20T22:46:41.54
IV.ACATE.HNN. ML:2.6 0.0024718755 0.2176 AML other m 2019-09-20T22:46:43.26
IV.HLNI.HHN. ML:3.0 0.003799473 0.1792 AML other m 2019-09-20T22:46:43.41
IV.HLNI.HHE. ML:2.6 0.0016072934999999998 0.1152 AML other m 2019-09-20T22:46:43.75
IV.CROCE.HNN. ML:2.2 0.00044154695 0.1024 AML other m 2019-09-20T22:46:47.30
IV.CROCE.HHE. ML:2.2 0.00041020875 0.1152 AML other m 2019-09-20T22:46:47.42
IV.CROCE.HHN. ML:2.1 0.000344628725 0.1024 AML other m 2019-09-20T22:46:47.30
IV.CROCE.HNE. ML:2.2 0.00051112535 0.128 AML other m 2019-09-20T22:46:47.41
IV.CLTA.HHE. ML:1.8 0.00016869299999999998 0.256 AML other m 2019-09-20T22:46:49.81
IV.CLTA.HHN. ML:1.9 0.0001984748 0.2432 AML other m 2019-09-20T22:46:50.01
IV.SSY.HHE. ML:2.6 0.0011115345 0.1792 AML other m 2019-09-20T22:46:50.48
IV.SSY.HHN. ML:3.0 0.002743226 0.1664 AML other m 2019-09-20T22:46:52.35
IV.GALF.HHE. ML:2.2 0.00041460965 0.3456 AML other m 2019-09-20T22:46:54.08
IV.GALF.HHN. ML:2.1 0.0003569369 0.3584 AML other m 2019-09-20T22:46:56.95
IV.ESML.HHN. ML:2.4 0.0006655371500000001 0.3328 AML other m 2019-09-20T22:46:49.30
IV.ESML.HHE. ML:2.3 0.00055025675 0.2432 AML other m 2019-09-20T22:46:49.47
IV.HAGA.HHE. ML:2.4 0.0005780748 0.1024 AML other m 2019-09-20T22:46:52.40
IV.HAGA.HHN. ML:2.4 0.0005138325 0.256 AML other m 2019-09-20T22:46:49.96
IV.AGST.EHE. ML:2.8 0.0012929885 0.4224 AML other m 2019-09-20T22:46:51.84
IV.AGST.EHN. ML:2.8 0.00106711635 0.2176 AML other m 2019-09-20T22:46:53.95
IV.ISPIC.HNE. ML:2.6 0.0008081709500000001 0.2944 AML other m 2019-09-20T22:46:52.23
IV.ISPIC.EHN. ML:2.7 0.0009964913 0.1792 AML other m 2019-09-20T22:46:52.10
IV.ISPIC.HNN. ML:2.7 0.0009929866000000002 0.192 AML other m 2019-09-20T22:46:52.10
IV.ISPIC.EHE. ML:2.6 0.0007876037499999999 0.2816 AML other m 2019-09-20T22:46:52.22
IV.RESU.HHN. ML:2.0 0.0002211522 0.4864 AML other m 2019-09-20T22:46:56.08
IV.RESU.HHE. ML:1.9 0.00015410965 0.32 AML other m 2019-09-20T22:46:56.39
IV.PETRA.HHN. ML:2.1 0.00020037695 0.4096 AML other m 2019-09-20T22:46:59.18
IV.PETRA.HHE. ML:2.2 0.00023946205 0.3584 AML other m 2019-09-20T22:46:57.04
IV.HPAC.HHN. ML:2.8 0.00087303605 0.1408 AML other m 2019-09-20T22:46:56.33
IV.HPAC.HHE. ML:2.6 0.00065816455 0.2048 AML other m 2019-09-20T22:46:56.81
IV.EPZF.HHE. ML:2.3 0.00031935125 0.4096 AML other m 2019-09-20T22:47:01.93
IV.EPZF.HHN. ML:2.2 0.00024239385000000003 0.4992 AML other m 2019-09-20T22:47:08.65
IV.MUCR.HHE. ML:2.0 0.00012157304999999999 0.6656 AML other m 2019-09-20T22:47:06.81
IV.MUCR.HHN. ML:2.0 0.000098848015 0.4992 AML other m 2019-09-20T22:47:08.68
IV.AIO.HHE. ML:2.0 0.00010420494999999999 0.2432 AML other m 2019-09-20T22:47:03.20
IV.AIO.HHN. ML:1.9 0.000084175215 0.2688 AML other m 2019-09-20T22:47:05.93
IV.NOV.HHE. ML:2.6 0.00042322705000000005 0.3968 AML other m 2019-09-20T22:47:04.97
IV.NOV.HHN. ML:2.5 0.0002811091 0.2048 AML other m 2019-09-20T22:47:02.50
IV.SCIAC.HHN. ML:1.9 0.000060431245 0.2048 AML other m 2019-09-20T22:47:09.62
IV.SCIAC.HHE. ML:2.0 0.000064705915 0.2688 AML other m 2019-09-20T22:47:08.92
IV.CORL.HHE. ML:2.6 0.00024334625 0.3328 AML other m 2019-09-20T22:47:16.22
IV.CORL.HHN. ML:2.4 0.00017524010000000002 0.3584 AML other m 2019-09-20T22:47:18.20
IV.IVPL.HHN. ML:2.3 0.00012803075 0.64 AML other m 2019-09-20T22:47:19.07
IV.IFIL.HHN. ML:2.4 0.0001439428 0.4864 AML other m 2019-09-20T22:47:17.16
IV.MSRU.HHN. ML:2.5 0.00016646165000000002 0.3712 AML other m 2019-09-20T22:47:12.70
IV.MSRU.HHE. ML:2.4 0.0001468902 0.3072 AML other m 2019-09-20T22:47:12.87
MN.CEL.HHE. ML:2.1 0.00005292135 0.576 AML other m 2019-09-20T22:47:24.72
MN.CEL.HNE. ML:2.3 0.00008568576999999999 0.6144 AML other m 2019-09-20T22:47:31.26
MN.CEL.HHN. ML:2.1 0.000057086665 0.5376 AML other m 2019-09-20T22:47:25.62
MN.CEL.HNN. ML:2.2 0.00006899603 0.5248 AML other m 2019-09-20T22:47:24.40
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