Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-09-2013 and time 00:42:25 (Italy) in region 4 km NE Castel di Iudica (CT)

A magnitude ML 1.9 earthquake occured in region: 4 km NE Castel di Iudica (CT), on

  • 27-09-2013 22:42:25 (UTC)
  • 28-09-2013 00:42:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5220, 14.6880 at 26 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
Castel di Iudica CT 4 4625 4625
Catenanuova EN 5 4866 9491
Centuripe EN 12 5470 14961
Raddusa CT 15 3178 18139
Ramacca CT 15 10894 29033
Regalbuto EN 15 7277 36310

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Catania (314555 inhabitants)
43 Km W of Acireale (52622 inhabitants)
55 Km E of Caltanissetta (63360 inhabitants)
64 Km NE of Gela (75827 inhabitants)
65 Km N of Vittoria (63339 inhabitants)
66 Km N of Ragusa (73313 inhabitants)
74 Km N of Modica (54633 inhabitants)
74 Km NW of Siracusa (122291 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 1.9 2013-09-27
22:42:25		 37.5218 14.6882 26 2015-01-20
11:29:04		 Bollettino Sismico Italiano INGV 6501741
Reviewed
Rev100 		ML 1.8 2013-09-27
22:42:26		 37.5187 14.6752 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4569771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-27 22:42:25 ± 0.14
Latitude 37.5218 ± 0.0054
Longitude 14.6882 ± 0.0102
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6501741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 392
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 1.15563
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 6501741
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:28:50

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 4569771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-27 23:01:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2013-09-27T22:42:55.17 0.6 undecidable manual S 161 95.3379 100 0.97 35
IV.CORL.HHZ. 2013-09-27T22:42:48.31 0.3 undecidable manual P 289 128.2716 54 1.1 44
IV.HAVL.HHZ. 2013-09-27T22:42:48.90 0.3 undecidable manual S 148 73.1712 104 0.49 66
IV.NOV.HHZ. 2013-09-27T22:42:47.90 0.3 undecidable manual S 35 68.5758 105 0.69 61
IV.MUCR.HHZ. 2013-09-27T22:42:45.50 0.3 undecidable manual S 16 60.0954 107 0.47 67
IV.IFIL.HHZ. 2013-09-27T22:42:44.99 0.6 undecidable manual P 355 116.0949 98 -0.42 41
IV.MSRU.HHZ. 2013-09-27T22:42:44.28 0.3 undecidable manual P 41 109.2129 99 -0.1 67
IV.SSY.HHZ. 2013-09-27T22:42:43.80 0.3 undecidable manual S 140 52.8027 110 0.61 66
IV.AGST.EHZ. 2013-09-27T22:42:43.90 0.6 undecidable manual S 122 55.8996 108 -0.07 49
IV.HPAC.HHZ. 2013-09-27T22:42:42.11 0.1 undecidable manual P 161 95.3379 100 -0.16 90
IV.HAGA.HHZ. 2013-09-27T22:42:42.20 0.3 undecidable manual S 122 48.8178 111 0.01 76
IV.HBSP.HHZ. 2013-09-27T22:42:42.72 0.3 undecidable manual S 202 47.1195 112 0.96 57
IV.MPNC.HHZ. 2013-09-27T22:42:41.31 0.3 undecidable manual P 40 90.5427 101 -0.22 67
IV.HVZN.HHZ. 2013-09-27T22:42:39.70 0.3 undecidable manual S 176 38.1285 118 0.1 76
IV.CLTA.HHE. 2013-09-27T22:42:39.82 0.3 undecidable manual P 238 75.6687 103 0.53 64
IV.HAVL.HHZ. 2013-09-27T22:42:38.63 0.1 positive manual P 148 73.1712 104 -0.29 91
IV.NOV.HHZ. 2013-09-27T22:42:38.55 0.1 undecidable manual P 35 68.5758 105 0.32 91
IV.MUCR.HHZ. 2013-09-27T22:42:37.04 0.1 positive manual P 16 60.0954 107 0.07 98
IV.GALF.HHZ. 2013-09-27T22:42:36.40 0.3 undecidable manual S 333 23.5542 133 0.02 79
IV.ESML.HHZ. 2013-09-27T22:42:35.80 0.3 undecidable manual S 58 19.9689 138 0.09 79
IV.SSY.HHZ. 2013-09-27T22:42:35.74 0.1 positive manual P 140 52.8027 110 -0.16 97
IV.EPOZ.HHE. 2013-09-27T22:42:35.37 0.3 undecidable manual P 69 47.0196 112 0.29 72
IV.AGST.EHZ. 2013-09-27T22:42:35.89 0.1 undecidable manual P 122 55.8996 108 -0.46 91
IV.HAGA.HHZ. 2013-09-27T22:42:34.91 0.1 positive manual P 122 48.8178 111 -0.42 93
IV.HBSP.HHZ. 2013-09-27T22:42:34.51 0.1 undecidable manual P 202 47.1195 112 -0.57 89
IV.ECNV.HHZ. 2013-09-27T22:42:34.30 0.3 undecidable manual S 15 8.4804 160 0.2 79
IV.HVZN.HHZ. 2013-09-27T22:42:33.48 0.3 undecidable manual P 176 38.1285 118 -0.36 72
IV.CAGR.HHZ. 2013-09-27T22:42:31.25 0.1 positive manual P 304 19.9689 138 -0.33 100
IV.GALF.HHZ. 2013-09-27T22:42:31.60 0.1 positive manual P 333 23.5542 133 -0.37 99
IV.ESML.HHZ. 2013-09-27T22:42:31.25 0.1 positive manual P 58 19.9689 138 -0.33 99
IV.ECNV.HHZ. 2013-09-27T22:42:30.08 0.1 positive manual P 15 8.4804 160 -0.58 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.9 0.00014835 1.18 AML other m 2013-09-27T22:43:07.94
IV.AGST.EHE. ML:1.7 0.0001104 1.58 AML other m 2013-09-27T22:43:07.90
IV.CAGR.HHN. ML:1.8 0.0003305 0.58 AML other m 2013-09-27T22:42:39.19
IV.CAGR.HHE. ML:1.8 0.00031 0.48 AML other m 2013-09-27T22:42:42.04
IV.CORL.HHN. ML:1.9 0.00005515 1.08 AML other m 2013-09-27T22:43:08.10
IV.CORL.HHE. ML:1.9 0.00005165 0.38 AML other m 2013-09-27T22:43:12.38
IV.ECNV.HHN. ML:2.1 0.000694 0.48 AML other m 2013-09-27T22:42:34.73
IV.ECNV.HHE. ML:1.8 0.0003675 1.5 AML other m 2013-09-27T22:42:36.55
IV.ESML.HHE. ML:1.9 0.000367 0.22 AML other m 2013-09-27T22:42:36.89
IV.ESML.HHN. ML:1.9 0.0003655 1.04 AML other m 2013-09-27T22:42:36.85
IV.GALF.HHE. ML:2.0 0.00047650000000000004 0.42 AML other m 2013-09-27T22:42:37.28
IV.GALF.HHN. ML:1.9 0.00034899999999999997 0.6 AML other m 2013-09-27T22:42:38.14
IV.HAGA.HHE. ML:1.6 0.00008965000000000001 0.18 AML other m 2013-09-27T22:42:42.42
IV.HAGA.HHN. ML:1.5 0.0000731 0.14 AML other m 2013-09-27T22:42:42.47
IV.HAVL.HHN. ML:2.0 0.000161 0.3 AML other m 2013-09-27T22:42:49.70
IV.HAVL.HHE. ML:2.1 0.000187 0.3 AML other m 2013-09-27T22:42:49.81
IV.HBSP.HHE. ML:2.1 0.000292 0.24 AML other m 2013-09-27T22:42:43.10
IV.HBSP.HHN. ML:1.9 0.000184 1.56 AML other m 2013-09-27T22:42:44.35
IV.HPAC.HHE. ML:2.3 0.00022250000000000001 0.24 AML other m 2013-09-27T22:42:56.05
IV.HPAC.HHN. ML:2.1 0.000122 0.32 AML other m 2013-09-27T22:42:56.62
IV.HVZN.HHN. ML:2.5 0.0009975000000000001 0.46 AML other m 2013-09-27T22:42:43.36
IV.HVZN.HHE. ML:2.6 0.0011645 0.32 AML other m 2013-09-27T22:42:45.20
IV.IFIL.HHE. ML:2.7 0.000397 0.9 AML other m 2013-09-27T22:43:00.81
IV.IFIL.HHN. ML:2.1 0.0000917 0.38 AML other m 2013-09-27T22:43:01.97
IV.MPNC.HHE. ML:1.7 0.00006035 1.56 AML other m 2013-09-27T22:42:55.01
IV.MPNC.HHN. ML:1.7 0.00005425 1.58 AML other m 2013-09-27T22:42:55.59
IV.MUCR.HHN. ML:1.4 0.0000475 0.62 AML other m 2013-09-27T22:42:50.01
IV.MUCR.HHE. ML:1.5 0.000059699999999999994 0.68 AML other m 2013-09-27T22:42:46.75
IV.NOV.HHE. ML:1.5 0.0000501 0.72 AML other m 2013-09-27T22:42:49.92
IV.NOV.HHN. ML:1.4 0.0000368 0.44 AML other m 2013-09-27T22:42:52.32
IV.SSY.HHE. ML:1.9 0.0001825 0.62 AML other m 2013-09-27T22:42:44.30
IV.SSY.HHN. ML:2.4 0.0004805 0.18 AML other m 2013-09-27T22:42:46.55
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