Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 26-10-2013 and time 03:23:20 (Italy) in region 6 km SE Randazzo (CT)

A magnitude ML 2.2 earthquake occured in region: 6 km SE Randazzo (CT), on

  • 26-10-2013 01:23:20 (UTC)
  • 26-10-2013 03:23:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8380, 14.9970 at 27 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 11 733 13330
Roccella Valdemone ME 11 666 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 15 19172 49651
Piedimonte Etneo CT 16 3963 53614
Milo CT 16 1087 54701
Sant'Alfio CT 17 1582 56283
Maniace CT 17 3765 60048
Motta Camastra ME 17 845 60893
Zafferana Etnea CT 18 9517 70410
Floresta ME 19 485 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 2.2 2013-10-26
01:23:20		 37.8375 14.9972 27 2015-01-20
11:29:31		 Bollettino Sismico Italiano INGV 9757141
Reviewed
Rev100 		ML 2.2 2013-10-26
01:23:20		 37.8447 14.9993 27 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4741321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-26 01:23:20 ± 0.09
Latitude 37.8375 ± 0.0036
Longitude 14.9972 ± 0.0046
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9757141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.21943
Epicentral distance of station farthest from the epicenter (degree) 1.12865
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 9757141
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:10:58

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 4741321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-10-26 01:32:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2013-10-26T01:23:41.15 0.3 undecidable manual P 178 125.2746 54 -0.2 60
IV.AGST.EHZ. 2013-10-26T01:23:41.70 0.3 undecidable manual S 163 67.5768 106 0.05 70
IV.HAGA.HHZ. 2013-10-26T01:23:40.50 0.3 undecidable manual S 167 62.8926 107 0.06 71
IV.IVPL.HHZ. 2013-10-26T01:23:38.90 0.6 undecidable manual S 359 59.7957 108 -0.76 39
IV.HLNI.HHZ. 2013-10-26T01:23:38.40 0.3 undecidable manual S 192 55.3002 110 -0.14 70
IV.SOI.EHZ. 2013-10-26T01:23:37.41 0.6 undecidable manual P 74 96.126 101 0.39 41
IV.HAVL.HHZ. 2013-10-26T01:23:36.89 0.6 undecidable manual P 174 98.0241 100 -0.42 40
IV.HBSP.HHZ. 2013-10-26T01:23:35.93 0.3 undecidable manual P 210 90.5427 101 -0.25 64
IV.MSFR.HHZ. 2013-10-26T01:23:35.10 0.3 undecidable manual S 302 41.625 117 -0.08 73
IV.GMB.BHZ. 2013-10-26T01:23:35.27 0.6 undecidable manual P 63 81.4518 103 0.46 42
IV.IFIL.HHZ. 2013-10-26T01:23:35.75 0.6 undecidable manual P 336 88.6446 102 -0.14 44
IV.GALF.HHZ. 2013-10-26T01:23:34.80 0.3 undecidable manual S 250 40.3263 118 -0.06 74
IV.HVZN.HHZ. 2013-10-26T01:23:34.13 0.6 undecidable manual P 199 77.1672 104 -0.05 46
IV.MCPD.HHZ. 2013-10-26T01:23:34.40 0.3 undecidable manual S 323 39.0276 119 -0.16 72
IV.PETRA.HHZ. 2013-10-26T01:23:34.90 0.6 undecidable manual P 270 77.2671 104 0.71 38
IV.MCSR.HHZ. 2013-10-26T01:23:33.00 0.3 undecidable manual S 39 32.4453 124 -0.05 74
IV.SSY.HHZ. 2013-10-26T01:23:33.87 0.3 undecidable manual P 175 75.6687 104 -0.08 68
IV.MSRU.HHZ. 2013-10-26T01:23:32.59 0.6 undecidable manual P 43 65.0904 107 0.22 45
IV.AGST.EHZ. 2013-10-26T01:23:32.49 0.3 undecidable manual P 163 67.5768 106 -0.25 67
IV.MNO.SHZ. 2013-10-26T01:23:32.60 0.3 undecidable manual S 291 28.4493 128 0.41 69
IV.HAGA.HHZ. 2013-10-26T01:23:31.82 0.3 undecidable manual P 167 62.8926 107 -0.22 68
IV.AIO.HHZ. 2013-10-26T01:23:31.70 0.3 undecidable manual S 54 25.4523 132 0.13 74
IV.IVPL.HHZ. 2013-10-26T01:23:31.83 0.3 undecidable manual P 359 59.7957 108 0.24 68
IV.MUCR.HHZ. 2013-10-26T01:23:31.40 0.3 undecidable manual S 335 25.2525 132 -0.14 75
IV.HLNI.HHZ. 2013-10-26T01:23:30.70 0.3 undecidable manual P 192 55.3002 110 -0.25 68
IV.NOV.HHZ. 2013-10-26T01:23:30.80 0.3 undecidable manual S 30 24.3534 133 -0.57 67
IV.ATN.BHZ. 2013-10-26T01:23:30.98 0.3 undecidable manual P 49 54.3012 110 0.19 70
IV.GALF.HHZ. 2013-10-26T01:23:29.40 0.3 undecidable manual P 250 40.3263 118 0.58 65
IV.MSFR.HHZ. 2013-10-26T01:23:29.08 0.3 undecidable manual P 302 41.625 117 0.08 73
IV.MPNC.HHZ. 2013-10-26T01:23:29.77 0.3 undecidable manual P 42 46.3203 114 0.12 72
IV.MCPD.HHZ. 2013-10-26T01:23:28.52 0.1 negative manual P 323 39.0276 119 -0.13 97
IV.EPOZ.HHZ. 2013-10-26T01:23:27.47 0.3 undecidable manual P 138 24.8529 132 0.61 66
IV.MCSR.HHZ. 2013-10-26T01:23:27.81 0.1 positive manual P 39 32.4453 124 0.04 100
IV.AIO.HHZ. 2013-10-26T01:23:27.05 0.1 positive manual P 54 25.4523 132 0.13 99
IV.MNO.SHZ. 2013-10-26T01:23:27.48 0.3 undecidable manual P 291 28.4493 128 0.2 72
IV.NOV.HHZ. 2013-10-26T01:23:26.73 0.1 positive manual P 30 24.3534 133 -0.08 100
IV.MUCR.HHZ. 2013-10-26T01:23:26.64 0.1 negative manual P 335 25.2525 132 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:2.1 0.0002185 0.14 AML other m 2013-10-26T01:23:42.50
IV.AGST.EHN. ML:2.1 0.000185 1.08 AML other m 2013-10-26T01:23:43.65
IV.AIO.HHE. ML:2.4 0.0009459999999999999 0.32 AML other m 2013-10-26T01:23:32.05
IV.AIO.HHN. ML:2.3 0.000797 0.24 AML other m 2013-10-26T01:23:32.42
IV.ATN.BHN. ML:2.0 0.00020700000000000002 0.24 AML other m 2013-10-26T01:23:39.98
IV.ATN.BHE. ML:2.1 0.00027749999999999997 0.36 AML other m 2013-10-26T01:23:41.56
IV.CET2.HHE. ML:2.3 0.0000608 0.74 AML other m 2013-10-26T01:24:15.62
IV.CET2.HHN. ML:2.3 0.000059499999999999996 1.46 AML other m 2013-10-26T01:24:15.67
IV.GALF.HHN. ML:2.0 0.00027 0.4 AML other m 2013-10-26T01:23:40.59
IV.GALF.HHE. ML:2.2 0.00040649999999999996 0.44 AML other m 2013-10-26T01:23:38.84
IV.GMB.BHN. ML:2.3 0.00023799999999999998 0.52 AML other m 2013-10-26T01:23:52.40
IV.GMB.BHE. ML:2.3 0.000242 0.2 AML other m 2013-10-26T01:23:55.36
IV.HAGA.HHE. ML:1.9 0.00014649999999999998 0.54 AML other m 2013-10-26T01:23:41.09
IV.HAGA.HHN. ML:2.0 0.0001625 0.64 AML other m 2013-10-26T01:23:41.55
IV.HAVL.HHE. ML:2.2 0.0001585 0.28 AML other m 2013-10-26T01:23:53.20
IV.HAVL.HHN. ML:2.4 0.00023150000000000002 0.22 AML other m 2013-10-26T01:23:50.98
IV.HBSP.HHN. ML:2.4 0.0003015 0.2 AML other m 2013-10-26T01:23:51.46
IV.HBSP.HHE. ML:2.8 0.0006955 0.42 AML other m 2013-10-26T01:23:49.33
IV.HLNI.HHE. ML:2.2 0.000295 1.08 AML other m 2013-10-26T01:23:39.77
IV.HLNI.HHN. ML:2.2 0.00035350000000000003 0.28 AML other m 2013-10-26T01:23:38.90
IV.HPAC.HHN. ML:2.2 0.00010375000000000001 0.8 AML other m 2013-10-26T01:24:05.06
IV.HPAC.HHE. ML:2.2 0.00010755000000000001 1.32 AML other m 2013-10-26T01:24:05.23
IV.HVZN.HHN. ML:2.8 0.000879 0.42 AML other m 2013-10-26T01:23:45.86
IV.HVZN.HHE. ML:3.0 0.00135 0.48 AML other m 2013-10-26T01:23:47.33
IV.IVPL.HHE. ML:2.8 0.0011404999999999998 1.14 AML other m 2013-10-26T01:23:42.66
IV.IVPL.HHN. ML:2.6 0.0007175 1.1 AML other m 2013-10-26T01:23:42.55
IV.MCPD.HHE. ML:1.8 0.000201 0.32 AML other m 2013-10-26T01:23:35.67
IV.MCPD.HHN. ML:1.9 0.000249 0.38 AML other m 2013-10-26T01:23:36.01
IV.MCSR.HHN. ML:2.8 0.00227 0.24 AML other m 2013-10-26T01:23:33.75
IV.MCSR.HHE. ML:2.8 0.0020949999999999996 0.8 AML other m 2013-10-26T01:23:34.35
IV.MNO.SHN. ML:2.5 0.001135 0.68 AML other m 2013-10-26T01:23:33.58
IV.MNO.SHE. ML:2.5 0.0011549999999999998 0.32 AML other m 2013-10-26T01:23:33.38
IV.MPNC.HHE. ML:2.2 0.0003655 0.54 AML other m 2013-10-26T01:23:38.95
IV.MPNC.HHN. ML:2.2 0.0004255 0.32 AML other m 2013-10-26T01:23:37.42
IV.MSFR.HHN. ML:1.8 0.00019250000000000002 0.48 AML other m 2013-10-26T01:23:36.14
IV.MSFR.HHE. ML:2.0 0.000241 0.54 AML other m 2013-10-26T01:23:35.68
IV.MSRU.HHE. ML:2.4 0.0003775 0.3 AML other m 2013-10-26T01:23:44.18
IV.MSRU.HHN. ML:2.2 0.00028599999999999996 0.34 AML other m 2013-10-26T01:23:43.95
IV.MUCR.HHN. ML:2.2 0.0006805 0.32 AML other m 2013-10-26T01:23:31.73
IV.MUCR.HHE. ML:2.2 0.0006950000000000001 0.32 AML other m 2013-10-26T01:23:31.75
IV.NOV.HHE. ML:2.6 0.0016749999999999998 0.32 AML other m 2013-10-26T01:23:31.21
IV.NOV.HHN. ML:2.2 0.0007005000000000001 0.72 AML other m 2013-10-26T01:23:32.46
IV.PETRA.HHN. ML:2.0 0.00013900000000000002 0.54 AML other m 2013-10-26T01:23:53.67
IV.PETRA.HHE. ML:2.1 0.000167 0.46 AML other m 2013-10-26T01:23:51.31
IV.SOI.EHN. ML:1.7 0.000053349999999999996 0.88 AML other m 2013-10-26T01:23:55.38
IV.SOI.EHE. ML:1.7 0.000047550000000000004 0.96 AML other m 2013-10-26T01:23:55.51
IV.SSY.HHE. ML:2.2 0.00022099999999999998 1.12 AML other m 2013-10-26T01:23:44.54
IV.SSY.HHN. ML:2.5 0.00041900000000000005 0.26 AML other m 2013-10-26T01:23:47.79
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