Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-10-2013 and time 11:59:07 (UTC) in region 6 km SE Randazzo (CT)

A magnitude ML 2.0 earthquake occured in region: 6 km SE Randazzo (CT), on

  • 25-10-2013 11:59:07 (UTC)
  • 25-10-2013 13:59:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8400, 15.0000 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
Randazzo CT 6 10900 10900
Moio Alcantara ME 8 717 11617
Santa Domenica Vittoria ME 9 980 12597
Malvagna ME 10 733 13330
Roccella Valdemone ME 10 666 13996
Maletto CT 12 3920 17916
Castiglione di Sicilia CT 12 3215 21131
Linguaglossa CT 13 5403 26534
Francavilla di Sicilia ME 14 3945 30479
Bronte CT 16 19172 49651
Piedimonte Etneo CT 16 3963 53614
Motta Camastra ME 16 845 54459
Milo CT 17 1087 55546
Sant'Alfio CT 17 1582 57128
Maniace CT 17 3765 60893
Floresta ME 18 485 61378
Zafferana Etnea CT 19 9517 70895
Fiumefreddo di Sicilia CT 19 9623 80518
Mascali CT 20 14282 94800
Gaggi ME 20 3184 97984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Acireale (52622 inhabitants)
38 Km N of Catania (314555 inhabitants)
63 Km SW of Messina (238439 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
90 Km N of Siracusa (122291 inhabitants)
91 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
Bulletin
Rev1000 		ML 2.0 2013-10-25
11:59:07		 37.8403 15.0002 26 2015-01-20
11:29:31		 Bollettino Sismico Italiano INGV 8087241
Reviewed
Rev100 		ML 1.9 2013-10-25
11:59:07		 37.8398 14.9905 26 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4734711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-25 11:59:07 ± 0.15
Latitude 37.8403 ± 0.0045
Longitude 15.0002 ± 0.0080
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8087241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88583
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 4734711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-10-25 12:06:01

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 8087241
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:09:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTMD.HHZ. 2013-10-25T11:59:41.75 3.0 undecidable manual Pn -6.19 0
IV.T0721.EHZ. 2013-10-25T11:59:39.75 3.0 positive manual Pn -2.32 0
IV.HAVL.HHZ. 2013-10-25T11:59:37.11 0.3 undecidable manual S 174 98.3238 100 0.14 63
IV.PLAC.HHZ. 2013-10-25T11:59:32.40 3.0 undecidable manual Pg 3.14 0
IV.SSY.HHZ. 2013-10-25T11:59:31.44 0.3 undecidable manual S 175 75.9684 103 0.31 64
IV.MSRU.HHZ. 2013-10-25T11:59:28.88 0.6 undecidable manual S 43 64.5909 106 0.68 41
IV.HAGA.HHZ. 2013-10-25T11:59:27.87 0.6 undecidable manual S 167 63.0924 106 0.07 46
IV.HLNI.HHZ. 2013-10-25T11:59:25.63 0.6 undecidable manual S 192 55.6998 109 -0.29 46
IV.GALF.HHZ. 2013-10-25T11:59:24.34 0.6 undecidable manual S 249 40.626 116 2.13 15
IV.HAVL.HHZ. 2013-10-25T11:59:24.21 0.1 undecidable manual P 174 98.3238 100 -0.48 80
IV.MSFR.HHZ. 2013-10-25T11:59:22.29 0.6 undecidable manual S 301 41.7249 116 -0.17 48
IV.MCPD.HHZ. 2013-10-25T11:59:21.65 0.6 undecidable manual S 323 38.9277 118 -0.15 48
IV.SSY.HHZ. 2013-10-25T11:59:21.08 0.1 undecidable manual P 175 75.9684 103 -0.25 88
IV.MSRU.HHZ. 2013-10-25T11:59:20.01 0.1 undecidable manual P 43 64.5909 106 0.38 87
IV.MCSR.HHZ. 2013-10-25T11:59:20.26 0.6 undecidable manual S 39 31.9458 123 0.06 49
IV.MNO.SHZ. 2013-10-25T11:59:19.70 0.6 undecidable manual S 291 28.5492 127 0.25 47
IV.HAGA.HHZ. 2013-10-25T11:59:19.19 0.1 positive manual P 167 63.0924 106 -0.21 90
IV.AIO.HHZ. 2013-10-25T11:59:18.85 0.6 undecidable manual S 54 25.0527 131 0.14 49
IV.IVPL.HHZ. 2013-10-25T11:59:18.98 0.3 undecidable manual P 358 59.496 107 0.11 69
IV.ATN.BHZ. 2013-10-25T11:59:18.16 0.3 positive manual P 49 53.9016 110 0.11 71
IV.MUCR.HHZ. 2013-10-25T11:59:18.49 0.6 undecidable manual S 334 25.0527 131 -0.23 48
IV.NOV.HHZ. 2013-10-25T11:59:18.13 0.6 undecidable manual S 30 23.9538 133 -0.38 46
IV.HLNI.HHZ. 2013-10-25T11:59:17.95 0.1 undecidable manual P 192 55.6998 109 -0.37 89
IV.MSFR.HHZ. 2013-10-25T11:59:16.26 0.1 negative manual P 301 41.7249 116 -0.05 97
IV.GALF.HHZ. 2013-10-25T11:59:16.60 0.1 undecidable manual P 249 40.626 116 0.43 88
IV.MPNC.HHZ. 2013-10-25T11:59:16.94 0.1 undecidable manual P 42 45.8208 113 0.04 97
IV.MCPD.HHZ. 2013-10-25T11:59:15.67 0.1 negative manual P 323 38.9277 118 -0.26 93
IV.MNO.SHZ. 2013-10-25T11:59:14.74 0.3 negative manual P 291 28.5492 127 0.16 72
IV.AIO.HHZ. 2013-10-25T11:59:14.17 0.1 positive manual P 54 25.0527 131 0.02 100
IV.MCSR.HHZ. 2013-10-25T11:59:14.94 0.1 positive manual P 39 31.9458 123 -0.07 97
IV.EPOZ.HHZ. 2013-10-25T11:59:14.68 0.3 undecidable manual P 138 24.9528 131 0.54 67
IV.MUCR.HHZ. 2013-10-25T11:59:13.78 0.1 negative manual P 334 25.0527 131 -0.38 93
IV.NOV.HHZ. 2013-10-25T11:59:13.86 0.1 positive manual P 30 23.9538 133 -0.17 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.1 0.0005015 0.32 AML other m 2013-10-25T11:59:19.17
IV.AIO.HHN. ML:2.0 0.0004335 0.24 AML other m 2013-10-25T11:59:19.54
IV.ATN.BHN. ML:1.8 0.00011999999999999999 0.28 AML other m 2013-10-25T11:59:27.23
IV.ATN.BHE. ML:1.9 0.0001625 1.12 AML other m 2013-10-25T11:59:30.63
IV.CAGR.HHN. ML:1.7 0.00011499999999999999 0.84 AML other m 2013-10-25T11:59:30.38
IV.CAGR.HHE. ML:2.0 0.00020250000000000002 0.68 AML other m 2013-10-25T11:59:30.53
IV.EPOZ.HHE. ML:2.0 0.0004215 0.32 AML other m 2013-10-25T11:59:23.01
IV.EPOZ.HHN. ML:2.1 0.0005679999999999999 0.3 AML other m 2013-10-25T11:59:23.16
IV.GALF.HHN. ML:1.7 0.0001465 0.84 AML other m 2013-10-25T11:59:27.71
IV.GALF.HHE. ML:1.9 0.0002445 0.42 AML other m 2013-10-25T11:59:25.96
IV.HAGA.HHE. ML:1.8 0.00010300000000000001 1.02 AML other m 2013-10-25T11:59:29.10
IV.HAGA.HHN. ML:1.7 0.00009309999999999999 0.7 AML other m 2013-10-25T11:59:28.66
IV.HAVL.HHN. ML:2.2 0.0001675 0.22 AML other m 2013-10-25T11:59:38.08
IV.HAVL.HHE. ML:2.0 0.00010960000000000001 0.3 AML other m 2013-10-25T11:59:40.30
IV.HLNI.HHE. ML:2.1 0.000243 1.08 AML other m 2013-10-25T11:59:26.87
IV.HLNI.HHN. ML:2.1 0.000256 0.28 AML other m 2013-10-25T11:59:26.02
IV.IVPL.HHE. ML:2.5 0.000576 0.5 AML other m 2013-10-25T11:59:29.78
IV.IVPL.HHN. ML:2.3 0.00039549999999999996 0.64 AML other m 2013-10-25T11:59:28.66
IV.MCPD.HHE. ML:1.5 0.00009125 0.34 AML other m 2013-10-25T11:59:22.79
IV.MCPD.HHN. ML:1.6 0.00011885000000000002 1.58 AML other m 2013-10-25T11:59:22.52
IV.MCSR.HHN. ML:2.6 0.001265 0.24 AML other m 2013-10-25T11:59:20.87
IV.MCSR.HHE. ML:2.5 0.0011749999999999998 0.8 AML other m 2013-10-25T11:59:21.47
IV.MNO.SHN. ML:2.2 0.0006305000000000001 0.68 AML other m 2013-10-25T11:59:21.03
IV.MNO.SHE. ML:2.2 0.0006479999999999999 0.32 AML other m 2013-10-25T11:59:20.67
IV.MPNC.HHE. ML:2.0 0.00023649999999999998 0.7 AML other m 2013-10-25T11:59:26.06
IV.MPNC.HHN. ML:2.0 0.0002375 0.5 AML other m 2013-10-25T11:59:24.55
IV.MSFR.HHE. ML:1.7 0.000132 0.56 AML other m 2013-10-25T11:59:22.81
IV.MSFR.HHN. ML:1.6 0.0001053 0.46 AML other m 2013-10-25T11:59:23.26
IV.MSRU.HHN. ML:2.0 0.0001525 0.32 AML other m 2013-10-25T11:59:31.07
IV.MSRU.HHE. ML:2.1 0.00023349999999999998 0.3 AML other m 2013-10-25T11:59:31.14
IV.MUCR.HHN. ML:1.9 0.000358 0.38 AML other m 2013-10-25T11:59:18.86
IV.MUCR.HHE. ML:1.9 0.000323 0.34 AML other m 2013-10-25T11:59:18.88
IV.NOV.HHE. ML:2.3 0.0009040000000000001 0.84 AML other m 2013-10-25T11:59:18.34
IV.NOV.HHN. ML:1.9 0.00034899999999999997 0.72 AML other m 2013-10-25T11:59:19.59
IV.PETRA.HHN. ML:1.8 0.0000799 1.32 AML other m 2013-10-25T11:59:40.75
IV.PETRA.HHE. ML:1.8 0.0000789 0.42 AML other m 2013-10-25T11:59:38.40
IV.SSY.HHE. ML:2.0 0.00014600000000000003 1.5 AML other m 2013-10-25T11:59:34.51
IV.SSY.HHN. ML:2.4 0.00032 1.42 AML other m 2013-10-25T11:59:34.18
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