Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-08-2019 and time 23:30:56 (Italy) in region 2 km N Caltagirone (CT)

A magnitude ML 2.3 earthquake occured in region: 2 km N Caltagirone (CT), on

  • 30-08-2019 21:30:56 (UTC)
  • 30-08-2019 23:30:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2550, 14.5130 at 7 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 2 38686 38686
San Michele di Ganzaria CT 8 3245 41931
Mirabella Imbaccari CT 10 4912 46843
Grammichele CT 12 13418 60261
San Cono CT 14 2697 62958
Mineo CT 16 5159 68117
Niscemi CL 17 27558 95675
Aidone EN 19 4889 100564
Mazzarrone CT 19 4078 104642
Piazza Armerina EN 19 21886 126528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Gela (75827 inhabitants)
34 Km N of Vittoria (63339 inhabitants)
41 Km NW of Ragusa (73313 inhabitants)
48 Km SE of Caltanissetta (63360 inhabitants)
49 Km NW of Modica (54633 inhabitants)
58 Km SW of Catania (314555 inhabitants)
70 Km SW of Acireale (52622 inhabitants)
73 Km W of Siracusa (122291 inhabitants)
82 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 2.3 2019-08-30
21:30:56		 37.2553 14.5133 7 2019-11-13
14:31:02		 Bollettino Sismico Italiano INGV 72359441
Reviewed
Rev100 		ML 2.3 2019-08-30
21:30:56		 37.2527 14.5088 7 2019-08-30
21:38:25		 Sala Sismica INGV-Roma 71949591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-30 21:30:56 ± 0.07
Latitude 37.2553 ± 0.0036
Longitude 14.5133 ± 0.0045
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72359441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.11066
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 58
Type of magnitude ML
Reference to an origin 71949591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-30 21:38:25

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 72359441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-13 10:14:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBFT.HHZ. 2019-08-30T21:31:43.03 3.0 undecidable manual S 0.66 0
IV.MBFT.HHZ. 2019-08-30T21:31:20.27 3.0 undecidable manual P -1.87 0
IV.MSRU.HHZ. 2019-08-30T21:31:19.55 3.0 positive manual P -0.35 0
IV.ILLI.HHZ. 2019-08-30T21:31:19.62 3.0 positive manual P 0.21 0
IV.IACL.HHZ. 2019-08-30T21:31:18.88 3.0 negative manual P -1.22 0
IV.IVPL.HHZ. 2019-08-30T21:31:17.37 3.0 undecidable manual P -1.23 0
IV.MILZ.HHZ. 2019-08-30T21:31:17.50 3.0 positive manual P -0.84 0
IV.ESLN.HHZ. 2019-08-30T21:31:17.06 0.3 undecidable manual S 40 63.2922 50 0.49 64
IV.AGST.EHZ. 2019-08-30T21:31:16.94 0.6 undecidable manual S 90 62.9925 50 0.44 43
IV.ISPIC.EHZ. 2019-08-30T21:31:16.92 0.3 undecidable manual S 147 62.9925 50 0.44 65
IV.MPNC.HHZ. 2019-08-30T21:31:16.42 0.6 undecidable manual P 36 123.2877 50 -0.87 32
IV.SCIAC.HHZ. 2019-08-30T21:31:16.32 3.0 positive manual P -2.22 0
IV.RESU.HHZ. 2019-08-30T21:31:15.82 0.6 undecidable manual S 317 59.1963 50 0.36 44
IV.HAGA.HHZ. 2019-08-30T21:31:15.16 0.6 undecidable manual S 86 56.6988 50 0.34 44
IV.SSY.HHZ. 2019-08-30T21:31:13.49 0.3 undecidable manual S 102 50.7159 50 0.29 68
IV.GALF.HHZ. 2019-08-30T21:31:13.56 0.6 undecidable manual S 5 50.7159 50 0.35 45
IV.ESML.HHZ. 2019-08-30T21:31:13.10 0.3 undecidable manual S 39 51.6039 50 -0.33 67
IV.MUCR.HHZ. 2019-08-30T21:31:12.50 0.3 negative manual P 20 92.9403 50 -0.11 65
IV.CROCE.HHZ. 2019-08-30T21:31:12.08 0.6 undecidable manual S 178 46.9197 50 -0.12 47
IV.MSFR.HHZ. 2019-08-30T21:31:11.39 0.6 undecidable manual P 5 86.6466 50 -0.25 43
IV.MNO.SHZ. 2019-08-30T21:31:10.26 0.3 negative manual P 12 76.6677 50 0.16 67
IV.CAGR.HHZ. 2019-08-30T21:31:10.22 0.6 undecidable manual S 358 40.7259 50 -0.31 46
IV.FAVR.HHZ. 2019-08-30T21:31:10.04 0.6 negative manual P 271 74.7696 50 0.24 44
IV.EPZF.HHZ. 2019-08-30T21:31:09.36 0.1 undecidable manual P 26 69.9744 50 0.29 88
IV.HPAC.HHZ. 2019-08-30T21:31:09.91 0.6 undecidable manual P 142 76.368 50 -0.15 45
IV.HLNI.HHZ. 2019-08-30T21:31:08.60 0.6 undecidable manual S 72 33.3444 103 0.36 46
IV.ESLN.HHZ. 2019-08-30T21:31:08.44 0.6 positive manual P 40 63.2922 50 0.39 43
IV.CPTP.HHZ. 2019-08-30T21:31:08.71 0.3 undecidable manual S 299 35.2425 102 -0.19 72
IV.CMDO.HHZ. 2019-08-30T21:31:08.66 0.1 undecidable manual P 291 65.0904 50 0.33 88
IV.RESU.HHZ. 2019-08-30T21:31:07.55 0.1 undecidable manual P 317 59.1963 50 0.14 92
IV.AGST.EHZ. 2019-08-30T21:31:07.40 0.6 undecidable manual P 90 62.9925 50 -0.6 41
IV.ISPIC.EHZ. 2019-08-30T21:31:07.75 0.3 negative manual P 147 62.9925 50 -0.25 67
IV.ESML.HHZ. 2019-08-30T21:31:06.15 0.1 positive manual P 39 51.6039 50 -0.09 95
IV.HAGA.HHZ. 2019-08-30T21:31:06.55 0.1 undecidable manual P 86 56.6988 50 -0.49 86
IV.GALF.HHZ. 2019-08-30T21:31:06.03 0.1 negative manual P 5 50.7159 50 -0.07 95
IV.ACATE.EHZ. 2019-08-30T21:31:06.15 0.6 undecidable manual S 182 25.6521 106 0.47 46
IV.SSY.HHZ. 2019-08-30T21:31:05.91 0.1 undecidable manual P 102 50.7159 50 -0.19 93
IV.CAGR.HHZ. 2019-08-30T21:31:04.26 0.1 negative manual P 358 40.7259 50 -0.3 92
IV.CROCE.HHZ. 2019-08-30T21:31:04.80 0.1 undecidable manual P 178 46.9197 50 -0.72 80
IV.HVZN.HHZ. 2019-08-30T21:31:03.64 0.3 undecidable manual S 115 19.7691 111 -0.09 75
IV.CPTP.HHZ. 2019-08-30T21:31:03.79 0.1 positive manual P 299 35.2425 102 0.17 96
IV.HLNI.HHZ. 2019-08-30T21:31:02.91 0.1 positive manual P 72 33.3444 103 -0.33 93
IV.ACATE.EHZ. 2019-08-30T21:31:01.70 0.1 undecidable manual P 182 25.6521 106 -0.05 100
IV.HVZN.HHZ. 2019-08-30T21:31:01.07 0.1 undecidable manual P 115 19.7691 111 0.44 93
IV.RAFF.HHZ. 2019-08-30T21:31:01.74 0.3 undecidable manual S 255 13.7751 118 -0.1 76
IV.RAFF.HHZ. 2019-08-30T21:30:59.69 0.1 negative manual P 255 13.7751 118 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHN. ML:2.4 0.0027949999999999997 0.52 AML other m 2019-08-30T21:31:03.57
IV.RAFF.HHE. ML:2.3 0.0023 0.4 AML other m 2019-08-30T21:31:03.78
IV.HLNI.HHN. ML:2.9 0.0033650000000000004 0.18 AML other m 2019-08-30T21:31:08.98
IV.HLNI.HHE. ML:2.5 0.00133 0.78 AML other m 2019-08-30T21:31:09.16
IV.CROCE.HHE. ML:2.2 0.000443 1.04 AML other m 2019-08-30T21:31:12.87
IV.CROCE.HNE. ML:2.2 0.0005449999999999999 1.06 AML other m 2019-08-30T21:31:12.87
IV.CROCE.HHN. ML:2.2 0.0004115 0.76 AML other m 2019-08-30T21:31:13.88
IV.CROCE.HNN. ML:2.3 0.000571 1.14 AML other m 2019-08-30T21:31:14.75
IV.ESML.HHE. ML:2.4 0.0005985000000000001 1.76 AML other m 2019-08-30T21:31:14.05
IV.ESML.HHN. ML:2.4 0.0006915000000000001 1.68 AML other m 2019-08-30T21:31:15.88
IV.HAGA.HHN. ML:2.5 0.0006979999999999999 0.38 AML other m 2019-08-30T21:31:17.95
IV.HAGA.HHE. ML:2.5 0.0006495 0.42 AML other m 2019-08-30T21:31:17.98
IV.GALF.HHE. ML:2.2 0.00041400000000000003 0.34 AML other m 2019-08-30T21:31:19.67
IV.GALF.HHN. ML:2.2 0.000379 0.52 AML other m 2019-08-30T21:31:21.48
IV.RESU.HHN. ML:2.1 0.000245 0.48 AML other m 2019-08-30T21:31:21.68
IV.RESU.HHE. ML:1.9 0.0001635 0.38 AML other m 2019-08-30T21:31:23.99
IV.EPZF.HHN. ML:2.2 0.00028349999999999995 0.48 AML other m 2019-08-30T21:31:25.75
IV.MNO.SHE. ML:0.0 0.0001265 1.48 AML other m 2019-08-30T21:31:25.22
IV.EPZF.HHE. ML:2.3 0.00035999999999999997 0.42 AML other m 2019-08-30T21:31:27.31
IV.MUCR.HHE. ML:2.0 0.0001245 0.64 AML other m 2019-08-30T21:31:32.39
IV.MUCR.HHN. ML:2.0 0.000123 1.02 AML other m 2019-08-30T21:31:34.81
IV.MILZ.HHN. ML:2.4 0.0001795 1 AML other m 2019-08-30T21:31:35.68
IV.MILZ.HHE. ML:2.8 0.0004005 1.62 AML other m 2019-08-30T21:31:35.97
IV.MNO.SHN. ML:0.0 0.000124 0.48 AML other m 2019-08-30T21:31:36.62
IV.MSRU.HHE. ML:2.5 0.00016599999999999997 0.32 AML other m 2019-08-30T21:31:38.46
IV.MSRU.HHN. ML:2.5 0.0001825 0.36 AML other m 2019-08-30T21:31:38.29
IV.MPNC.HHE. ML:2.2 0.0001205 0.62 AML other m 2019-08-30T21:31:38.87
IV.MPNC.HHN. ML:2.4 0.0001695 0.32 AML other m 2019-08-30T21:31:38.63
IV.IVPL.HHN. ML:2.2 0.00009275 0.42 AML other m 2019-08-30T21:31:41.33
IV.IACL.HHE. ML:2.2 0.00009745 1.44 AML other m 2019-08-30T21:31:45.96
IV.IACL.HHN. ML:2.2 0.00009659999999999999 0.56 AML other m 2019-08-30T21:31:49.29
IV.IVPL.HHE. ML:2.2 0.00011444999999999999 1.48 AML other m 2019-08-30T21:31:54.01
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