Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-04-2013 and time 10:15:52 (Italy) in region Costa Catanese (Catania)

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

  • 17-04-2013 08:15:52 (UTC)
  • 17-04-2013 10:15:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6230, 15.4880 at 34 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Acireale (52622 inhabitants)
38 Km E of Catania (314555 inhabitants)
56 Km S of Reggio di Calabria (183035 inhabitants)
64 Km S of Messina (238439 inhabitants)
65 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
Bulletin
Rev1000 		ML 2.0 2013-04-17
08:15:52		 37.623 15.4875 34 2015-01-20
11:24:32		 Bollettino Sismico Italiano INGV 4672691
Reviewed
Rev100 		ML 2.1 2013-04-17
08:15:50		 37.6922 15.4048 59 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3209571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-04-17 08:15:52 ± 0.18
Latitude 37.6230 ± 0.0117
Longitude 15.4875 ± 0.0193
Depth (km) 34 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4672691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1474
Semi-minor axis of confidence ellipse (meter) 1241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.40200
Epicentral distance of station farthest from the epicenter (degree) 0.97846
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 4672691
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:04:09

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 3209571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-04-17 08:33:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2013-04-17T08:16:18.20 0.3 undecidable manual S 204 80.364 1.26 46
IV.SOI.EHZ. 2013-04-17T08:16:15.20 0.3 undecidable manual S 45 70.374 111 0.76 60
IV.SSY.HHZ. 2013-04-17T08:16:13.60 0.3 undecidable manual S 215 63.1923 113 0.95 62
IV.MPAZ.HHZ. 2013-04-17T08:16:12.40 0.6 undecidable manual S 51 58.3971 115 0.91 39
IV.RAFF.HHZ. 2013-04-17T08:16:10.93 0.1 undecidable manual P 246 108.6135 54 0.79 66
IV.MCSR.HHZ. 2013-04-17T08:16:10.80 0.6 undecidable manual S 335 53.9016 117 0.38 48
IV.AIO.HHZ. 2013-04-17T08:16:08.60 0.3 undecidable manual S 330 44.622 123 0.34 75
IV.HAVL.HHZ. 2013-04-17T08:16:06.22 0.1 undecidable manual P 204 80.364 -0.2 94
IV.MSCL.HHZ. 2013-04-17T08:16:04.98 0.1 undecidable manual P 21 72.5718 110 -0.31 93
IV.SOI.EHZ. 2013-04-17T08:16:04.54 0.1 positive manual P 45 70.374 111 -0.44 91
IV.SSY.HHZ. 2013-04-17T08:16:03.61 0.1 undecidable manual P 215 63.1923 113 -0.34 91
IV.HLNI.HHZ. 2013-04-17T08:16:03.30 0.1 undecidable manual P 241 62.1933 114 -0.5 87
IV.MPAZ.HHZ. 2013-04-17T08:16:03.11 0.1 undecidable manual P 51 58.3971 115 -0.17 98
IV.MCSR.HHZ. 2013-04-17T08:16:02.62 0.1 undecidable manual P 335 53.9016 117 -0.04 100
IV.AIO.HHZ. 2013-04-17T08:16:01.16 0.1 undecidable manual P 330 44.622 123 -0.25 97
IV.AGST.EHE. 2013-04-17T08:16:01.32 0.1 undecidable manual P 210 46.7199 121 -0.36 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.7 0.0001052 0.46 AML other m 2013-04-17T08:16:12.00
IV.AIO.HHN. ML:1.7 0.0001168 1.24 AML other m 2013-04-17T08:16:12.63
IV.HAVL.HHN. ML:2.2 0.0002125 1.26 AML other m 2013-04-17T08:16:22.64
IV.HAVL.HHE. ML:2.1 0.00014549999999999999 0.58 AML other m 2013-04-17T08:16:22.84
IV.MCSR.HHE. ML:2.1 0.000257 0.34 AML other m 2013-04-17T08:16:13.12
IV.MCSR.HHN. ML:2.1 0.00026949999999999994 0.34 AML other m 2013-04-17T08:16:16.70
IV.MSCL.HHN. ML:2.0 0.00013350000000000002 0.5 AML other m 2013-04-17T08:16:18.97
IV.MSCL.HHE. ML:1.9 0.00011599999999999999 0.62 AML other m 2013-04-17T08:16:26.05
IV.NOV.HHN. ML:1.9 0.000142 0.46 AML other m 2013-04-17T08:16:22.28
IV.NOV.HHE. ML:2.0 0.00021 0.66 AML other m 2013-04-17T08:16:18.53
IV.SSY.HHE. ML:1.7 0.00007694999999999999 0.6 AML other m 2013-04-17T08:16:17.65
IV.SSY.HHN. ML:2.0 0.000146 0.26 AML other m 2013-04-17T08:16:18.16
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
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