Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 03-10-2014 and time 02:31:13 (Italy) in region 3 km NW Francofonte (SR)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Francofonte (SR), on

  • 03-10-2014 00:31:13 (UTC)
  • 03-10-2014 02:31:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2450, 14.8560 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Francofonte SR 3 12800 12800
Scordia CT 6 17095 29895
Militello in Val di Catania CT 6 7443 37338
Buccheri SR 13 1999 39337
Vizzini CT 13 6241 45578
Palagonia CT 13 16608 62186
Lentini SR 14 24085 86271
Carlentini SR 15 17798 104069
Mineo CT 15 5159 109228
Ferla SR 16 2523 111751
Licodia Eubea CT 17 3081 114832
Cassaro SR 18 821 115653
Buscemi SR 18 1051 116704
Sortino SR 18 8690 125394
Monterosso Almo RG 19 3032 128426
Grammichele CT 20 13418 141844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Catania (314555 inhabitants)
37 Km N of Ragusa (73313 inhabitants)
43 Km NE of Vittoria (63339 inhabitants)
44 Km N of Modica (54633 inhabitants)
44 Km NW of Siracusa (122291 inhabitants)
49 Km SW of Acireale (52622 inhabitants)
57 Km E of Gela (75827 inhabitants)
75 Km E of Caltanissetta (63360 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
Reviewed
Rev100 		ML 1.1 2014-10-03
00:31:13		 37.245 14.8557 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8654931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-10-03 00:31:13 ± 0.11
Latitude 37.2450 ± 0.0036
Longitude 14.8557 ± 0.0056
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 8654931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 503
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 8654931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-10-03 00:37:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MFNL.SHZ. 2014-10-03T00:31:47.99 3.0 undecidable manual Sn -0.01 0
IV.HAGA.HHZ. 2014-10-03T00:31:22.75 0.1 undecidable manual S 80 26.751 50 -0.07 96
IV.SSY.HHZ. 2014-10-03T00:31:21.58 0.3 undecidable manual S 117 21.5673 50 0.16 71
IV.HAVL.HHZ. 2014-10-03T00:31:20.96 1.0 positive manual P 143 39.4272 50 0.28 23
IV.HCRL.HHZ. 2014-10-03T00:31:19.70 0.3 undecidable manual S 75 16.1727 124 -0.16 75
IV.HAGA.HHZ. 2014-10-03T00:31:18.68 0.6 positive manual P 80 26.751 50 -0.04 48
IV.HLNI.HHZ. 2014-10-03T00:31:18.55 0.1 undecidable manual S 7 11.5773 133 -0.05 100
IV.SSY.HHZ. 2014-10-03T00:31:18.07 0.6 positive manual P 117 21.5673 50 0.15 48
IV.IVPL.HHZ. 2014-10-03T00:31:17.80 3.0 undecidable manual P 0.01 0
IV.HCRL.HHZ. 2014-10-03T00:31:17.11 0.1 positive manual P 75 16.1727 124 0.09 98
IV.MEU.SHZ. 2014-10-03T00:31:16.67 0.1 undecidable manual P 189 15.0738 125 -0.16 98
IV.HLNI.HHZ. 2014-10-03T00:31:16.55 0.6 negative manual P 7 11.5773 133 0.26 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:0.8 0.00003655 0.5 AML other m 2014-10-03T00:31:25.26
IV.HAGA.HHE. ML:0.9 0.0000433 1.54 AML other m 2014-10-03T00:31:26.09
IV.HAVL.HHE. ML:1.1 0.0000392 1.48 AML other m 2014-10-03T00:31:37.52
IV.HAVL.HHN. ML:1.2 0.000048299999999999995 1.56 AML other m 2014-10-03T00:31:41.94
IV.HCRL.HHN. ML:1.4 0.0002395 0.14 AML other m 2014-10-03T00:31:19.86
IV.HCRL.HHE. ML:1.0 0.0000845 0.42 AML other m 2014-10-03T00:31:19.91
IV.HLNI.HHE. ML:1.3 0.000243 0.24 AML other m 2014-10-03T00:31:18.77
IV.HLNI.HHN. ML:1.2 0.0001625 0.1 AML other m 2014-10-03T00:31:19.15
IV.MEU.SHE. ML:0.0 0.000284 0.24 AML other m 2014-10-03T00:31:19.82
IV.MEU.SHN. ML:0.0 0.000157 0.24 AML other m 2014-10-03T00:31:22.12
IV.SSY.HHE. ML:1.1 0.00007919999999999999 1.2 AML other m 2014-10-03T00:31:22.91
IV.SSY.HHN. ML:1.5 0.000215 1.26 AML other m 2014-10-03T00:31:22.84
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