Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-12-2013 and time 16:51:40 (Italy) in region 1 km E Fiumefreddo di Sicilia (CT)

A magnitude ML 2.0 earthquake occured in region: 1 km E Fiumefreddo di Sicilia (CT), on

  • 11-12-2013 15:51:40 (UTC)
  • 11-12-2013 16:51:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7930, 15.2210 at 15 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
Fiumefreddo di Sicilia CT 1 9623 9623
Calatabiano CT 4 5308 14931
Piedimonte Etneo CT 4 3963 18894
Mascali CT 4 14282 33176
Riposto CT 7 14838 48014
Giardini-Naxos ME 7 9415 57429
Giarre CT 8 27659 85088
Gaggi ME 8 3184 88272
Sant'Alfio CT 9 1582 89854
Taormina ME 9 10960 100814
Linguaglossa CT 9 5403 106217
Castelmola ME 9 1088 107305
Graniti ME 11 1492 108797
Milo CT 12 1087 109884
Motta Camastra ME 12 845 110729
Letojanni ME 12 2861 113590
Castiglione di Sicilia CT 13 3215 116805
Mongiuffi Melia ME 13 600 117405
Santa Venerina CT 14 8592 125997
Gallodoro ME 14 367 126364
Francavilla di Sicilia ME 14 3945 130309
Zafferana Etnea CT 15 9517 139826
Roccafiorita ME 16 197 140023
Forza d'Agrò ME 17 911 140934
Limina ME 17 836 141770
Sant'Alessio Siculo ME 18 1554 143324
Moio Alcantara ME 19 717 144041

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Acireale (52622 inhabitants)
34 Km NE of Catania (314555 inhabitants)
51 Km SW of Reggio di Calabria (183035 inhabitants)
54 Km SW of Messina (238439 inhabitants)
82 Km N 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
Reviewed
Rev200 		ML 1.8 2013-12-11
15:51:41		 37.825 15.197 10 2015-03-09
14:12:53		 Sala Sismica INGV-Roma 4944821
Bulletin
Rev1000 		ML 2.0 2013-12-11
15:51:40		 37.7932 15.2208 15 2015-01-20
11:30:17		 Bollettino Sismico Italiano INGV 5505491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-11 15:51:40 ± 0.1
Latitude 37.7932 ± 0.0045
Longitude 15.2208 ± 0.0080
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5505491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 707
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
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 27
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83637
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 5505491
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:32

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 4944821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-11 16:27:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2013-12-11T15:52:32.99 3.0 undecidable manual Sg 1.39 0
IV.T0721.EHZ. 2013-12-11T15:52:16.45 3.0 positive manual Pn 0.16 0
IV.HAVL.HHZ. 2013-12-11T15:52:07.91 0.3 undecidable manual S 185 92.8404 93 0.37 62
IV.HLNI.HHZ. 2013-12-11T15:51:58.17 0.3 undecidable manual S 212 58.0974 95 -0.1 69
IV.HAVL.HHZ. 2013-12-11T15:51:55.44 0.3 undecidable manual P 185 92.8404 93 -0.57 57
IV.MPNC.HHZ. 2013-12-11T15:51:54.08 0.3 undecidable manual S 16 40.8258 98 0.38 68
IV.MPAZ.HHE. 2013-12-11T15:51:53.07 0.6 undecidable manual P 75 71.0733 94 0.41 43
IV.MSCL.HHE. 2013-12-11T15:51:52.84 0.6 undecidable manual P 45 69.5748 94 0.41 43
IV.SSY.HHZ. 2013-12-11T15:51:52.48 0.3 undecidable manual P 190 71.6727 94 -0.27 65
IV.GMB.BHE. 2013-12-11T15:51:52.32 0.6 undecidable manual P 52 67.4769 94 0.21 45
IV.IVPL.HHE. 2013-12-11T15:51:52.37 0.6 undecidable manual P 342 67.9764 94 0.18 45
IV.GALF.HHE. 2013-12-11T15:51:51.53 0.6 undecidable manual P 261 58.0974 95 0.87 36
IV.MCSR.HHZ. 2013-12-11T15:51:50.76 0.3 undecidable manual S 2 30.1476 102 -0.11 73
IV.MSRU.HHZ. 2013-12-11T15:51:50.62 0.3 undecidable manual P 26 57.8976 95 -0.02 70
IV.NOV.HHZ. 2013-12-11T15:51:50.08 0.3 undecidable manual S 344 27.0507 105 0 74
IV.HLNI.HHZ. 2013-12-11T15:51:50.16 0.6 undecidable manual P 212 58.0974 95 -0.5 42
IV.MNO.SHZ. 2013-12-11T15:51:49.51 0.3 undecidable manual P 289 48.5181 96 0.32 67
IV.AIO.HHE. 2013-12-11T15:51:48.29 0.3 undecidable manual S 3 19.7691 114 0.05 75
IV.ATN.BHZ. 2013-12-11T15:51:48.65 0.6 undecidable manual P 28 45.9207 97 -0.14 47
IV.MPNC.HHZ. 2013-12-11T15:51:47.84 0.3 undecidable manual P 16 40.8258 98 -0.18 70
IV.ESML.HHE. 2013-12-11T15:51:47.94 0.6 undecidable manual P 237 35.742 99 0.7 41
IV.MUCR.HHZ. 2013-12-11T15:51:47.94 0.1 undecidable manual P 312 41.1255 98 -0.12 96
IV.MCSR.HHZ. 2013-12-11T15:51:46.16 0.1 undecidable manual P 2 30.1476 102 -0.23 95
IV.NOV.HHZ. 2013-12-11T15:51:45.67 0.1 undecidable manual P 344 27.0507 105 -0.26 95
IV.ESLN.HHE. 2013-12-11T15:51:45.08 0.6 undecidable manual P 243 24.2535 107 -0.44 46
IV.AIO.HHE. 2013-12-11T15:51:44.64 0.3 undecidable manual P 3 19.7691 114 -0.23 73
IV.EPOZ.HHZ. 2013-12-11T15:51:44.19 0.1 undecidable manual P 192 13.7751 127 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATN.BHN. ML:2.0 0.0002475 1.16 AML other m 2013-12-11T15:51:57.41
IV.ATN.BHE. ML:2.0 0.0002565 0.32 AML other m 2013-12-11T15:51:57.63
IV.EPOZ.HHE. ML:2.0 0.000745 1.58 AML other m 2013-12-11T15:51:48.28
IV.EPOZ.HHN. ML:2.0 0.0009415 0.86 AML other m 2013-12-11T15:51:50.71
IV.MCSR.HHN. ML:2.4 0.000998 0.2 AML other m 2013-12-11T15:51:52.44
IV.MCSR.HHE. ML:2.4 0.00101 0.34 AML other m 2013-12-11T15:51:53.56
IV.MPNC.HHE. ML:2.1 0.0003975 0.5 AML other m 2013-12-11T15:51:56.83
IV.MPNC.HHN. ML:1.9 0.0002595 0.48 AML other m 2013-12-11T15:51:59.36
IV.MSRU.HHE. ML:1.8 0.000146 1.32 AML other m 2013-12-11T15:52:03.46
IV.MSRU.HHN. ML:1.8 0.0001285 0.4 AML other m 2013-12-11T15:52:04.46
IV.MUCR.HHE. ML:1.6 0.00011245 0.92 AML other m 2013-12-11T15:51:57.29
IV.MUCR.HHN. ML:1.5 0.000106 1.22 AML other m 2013-12-11T15:51:57.22
IV.NOV.HHE. ML:2.2 0.0008125 0.48 AML other m 2013-12-11T15:51:50.65
IV.NOV.HHN. ML:1.9 0.0003795 1.38 AML other m 2013-12-11T15:51:52.97
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