Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 17-09-2014 and time 05:25:29 (Italy) in region 2 km NW San Cono (CT)

A magnitude ML 1.2 earthquake occured in region: 2 km NW San Cono (CT), on

  • 17-09-2014 03:25:29 (UTC)
  • 17-09-2014 05:25:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3040, 14.3530 at 30 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
San Cono CT 2 2697 2697
San Michele di Ganzaria CT 7 3245 5942
Mirabella Imbaccari CT 9 4912 10854
Piazza Armerina EN 9 21886 32740
Mazzarino CL 12 12145 44885
Aidone EN 15 4889 49774
Barrafranca EN 15 13380 63154
Caltagirone CT 16 38686 101840
Niscemi CL 18 27558 129398
Butera CL 20 4754 134152

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Gela (75827 inhabitants)
33 Km SE of Caltanissetta (63360 inhabitants)
43 Km NW of Vittoria (63339 inhabitants)
54 Km NW of Ragusa (73313 inhabitants)
61 Km NW of Modica (54633 inhabitants)
68 Km E of Agrigento (59770 inhabitants)
69 Km W of Catania (314555 inhabitants)
80 Km W of Acireale (52622 inhabitants)
88 Km W 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 1.2 2014-09-17
03:25:29		 37.3042 14.3528 31 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18863361
Reviewed
Rev100 		ML 1.1 2014-09-17
03:25:30		 37.3037 14.3667 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8382661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-17 03:25:29 ± 0.27
Latitude 37.3042 ± 0.0135
Longitude 14.3528 ± 0.0090
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18863361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1539
Semi-minor axis of confidence ellipse (meter) 86
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.34354
Epicentral distance of station farthest from the epicenter (degree) 0.70327
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 8382661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-17 03:30:58

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 18863361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-05-03 23:21:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2014-09-17T03:25:53.20 0.6 undecidable manual S 94 77.367 107 0.03 48
IV.HAVL.HHZ. 2014-09-17T03:25:53.40 0.3 undecidable manual S 119 78.0663 106 0.05 71
IV.HMDC.HHZ. 2014-09-17T03:25:47.30 0.3 undecidable manual S 135 54.0015 114 -0.02 74
IV.HLNI.HHZ. 2014-09-17T03:25:45.30 0.3 undecidable manual S 84 46.0206 118 -0.12 74
IV.CLTA.HHZ. 2014-09-17T03:25:43.10 0.3 undecidable manual S 245 38.1285 124 -0.51 67
IV.HAVL.HHZ. 2014-09-17T03:25:43.17 0.1 undecidable manual P 119 78.0663 106 -0.02 95
IV.AGST.EHZ. 2014-09-17T03:25:42.79 0.6 undecidable manual P 94 77.367 107 -0.3 45
IV.HMDC.HHZ. 2014-09-17T03:25:39.72 0.1 undecidable manual P 135 54.0015 114 0.01 100
IV.GALF.HHE. 2014-09-17T03:25:39.99 0.6 undecidable manual P 23 48.8178 117 1 37
IV.RESU.HHE. 2014-09-17T03:25:38.08 0.3 undecidable manual P 326 46.1205 118 -0.53 67
IV.CLTA.HHZ. 2014-09-17T03:25:38.27 0.1 undecidable manual P 245 38.1285 124 0.7 87
IV.HLNI.HHZ. 2014-09-17T03:25:38.48 0.3 positive manual P 84 46.0206 118 -0.13 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHE. ML:1.3 0.00004375 0.96 AML other m 2014-09-17T03:25:45.57
IV.HLNI.HHN. ML:1.2 0.00003525 1.12 AML other m 2014-09-17T03:25:46.85
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