Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-10-2013 and time 01:28:33 (UTC) in region Costa Catanese (Catania)

A magnitude ML 2.0 earthquake occured in region: Costa Catanese (Catania), on

  • 17-10-2013 01:28:33 (UTC)
  • 17-10-2013 03:28:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6870, 15.3060 at 22 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riposto CT 10 14838 14838
Giarre CT 12 27659 42497
Mascali CT 13 14282 56779
Santa Venerina CT 15 8592 65371
Acireale CT 15 52622 117993
Fiumefreddo di Sicilia CT 15 9623 127616
Sant'Alfio CT 16 1582 129198
Calatabiano CT 17 5308 134506
Aci Catena CT 17 29851 164357
Milo CT 17 1087 165444
Giardini-Naxos ME 17 9415 174859
Piedimonte Etneo CT 18 3963 178822
Zafferana Etnea CT 18 9517 188339
Aci Sant'Antonio CT 18 17984 206323
Taormina ME 19 10960 217283
Castelmola ME 19 1088 218371
Valverde CT 20 7840 226211
Aci Bonaccorsi CT 20 3524 229735

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Acireale (52622 inhabitants)
28 Km NE of Catania (314555 inhabitants)
56 Km SW of Reggio di Calabria (183035 inhabitants)
61 Km SW of Messina (238439 inhabitants)
70 Km N of Siracusa (122291 inhabitants)
99 Km NE of Ragusa (73313 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 2013-10-17
01:28:33		 37.6868 15.3062 22 2015-02-12
09:08:01		 Bollettino Sismico Italiano INGV 8987061
Reviewed
Rev100 		ML 2.0 2013-10-17
01:28:33		 37.6882 15.2907 24 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4675441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-17 01:28:33 ± 0.1
Latitude 37.6868 ± 0.0027
Longitude 15.3062 ± 0.0114
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8987061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 923
Semi-minor axis of confidence ellipse (meter) 494
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 1.00095
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 4675441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-10-17 01:38:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 8987061
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:30:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2013-10-17T01:29:06.14 0.6 undecidable manual S 192 111.0999 96 0.5 38
IV.HAVL.HHZ. 2013-10-17T01:28:58.30 0.3 undecidable manual S 191 82.251 99 0.29 63
IV.HPAC.HHE. 2013-10-17T01:28:52.34 0.3 undecidable manual P 192 111.0999 96 0.34 58
IV.SSY.HHZ. 2013-10-17T01:28:52.90 0.3 undecidable manual S 199 62.1933 102 0.17 67
IV.MUCR.HHE. 2013-10-17T01:28:51.33 0.6 undecidable manual S 316 54.7008 104 0.54 42
IV.MPNC.HHE. 2013-10-17T01:28:50.20 0.6 undecidable manual S 5 51.1155 105 0.33 43
IV.AGST.EHZ. 2013-10-17T01:28:49.00 0.3 undecidable manual S 188 48.2184 107 -0.12 69
IV.HAGA.HHZ. 2013-10-17T01:28:48.70 0.3 undecidable manual S 197 46.5201 107 0.01 71
IV.HAVL.HHZ. 2013-10-17T01:28:47.33 0.3 undecidable manual P 191 82.251 99 -0.27 63
IV.SOI.EHE. 2013-10-17T01:28:47.01 0.3 undecidable manual P 57 78.2661 99 0.03 66
IV.AIO.HHZ. 2013-10-17T01:28:45.20 0.3 undecidable manual S 349 32.1456 116 0.08 71
IV.MSRU.HHE. 2013-10-17T01:28:45.17 0.3 undecidable manual P 15 66.378 101 -0.01 68
IV.SSY.HHZ. 2013-10-17T01:28:44.32 0.1 positive manual P 199 62.1933 102 -0.22 87
IV.MUCR.HHE. 2013-10-17T01:28:43.33 0.3 undecidable manual P 316 54.7008 104 -0.09 68
IV.AGST.EHZ. 2013-10-17T01:28:42.22 0.1 undecidable manual P 188 48.2184 107 -0.24 90
IV.MPNC.HHE. 2013-10-17T01:28:42.99 0.3 undecidable manual P 5 51.1155 105 0.1 68
IV.NOV.HHZ. 2013-10-17T01:28:41.13 0.1 undecidable manual P 339 40.626 110 -0.22 91
IV.ESML.HHE. 2013-10-17T01:28:41.08 0.3 undecidable manual P 259 38.2284 112 0.07 71
IV.HAGA.HHZ. 2013-10-17T01:28:41.97 0.3 undecidable manual P 197 46.5201 107 -0.24 67
IV.AIO.HHZ. 2013-10-17T01:28:39.91 0.3 undecidable manual P 349 32.1456 116 -0.24 69
IV.EPOZ.HHZ. 2013-10-17T01:28:37.68 0.1 positive manual P 261 10.4784 151 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:1.7 0.00017449999999999999 0.24 AML other m 2013-10-17T01:28:46.26
IV.AIO.HHE. ML:1.6 0.000155 1.58 AML other m 2013-10-17T01:28:46.48
IV.EPOZ.HHN. ML:1.8 0.00038849999999999996 0.54 AML other m 2013-10-17T01:28:40.49
IV.EPOZ.HHE. ML:1.8 0.000408 1.56 AML other m 2013-10-17T01:28:45.83
IV.HAGA.HHE. ML:2.0 0.000244 0.2 AML other m 2013-10-17T01:28:48.90
IV.HAGA.HHN. ML:1.9 0.00020899999999999998 1.42 AML other m 2013-10-17T01:28:48.95
IV.HAVL.HHN. ML:2.4 0.000315 1.32 AML other m 2013-10-17T01:28:59.19
IV.HAVL.HHE. ML:2.4 0.00028300000000000005 0.96 AML other m 2013-10-17T01:28:59.56
IV.SSY.HHE. ML:2.3 0.0004 0.14 AML other m 2013-10-17T01:28:53.11
IV.SSY.HHN. ML:2.5 0.0006094999999999999 0.16 AML other m 2013-10-17T01:28:53.94
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