Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 13-03-2015 and time 23:43:52 (Italy) in region Costa Catanese (Catania)

A magnitude ML 2.3 earthquake occured in region: Costa Catanese (Catania), on

  • 13-03-2015 22:43:52 (UTC)
  • 13-03-2015 23:43:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5020, 15.2380 at 10 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
Aci Castello CT 10 18723 18723
Valverde CT 13 7840 26563
Catania CT 13 314555 341118
San Gregorio di Catania CT 13 11966 353084
Acireale CT 14 52622 405706
Aci Catena CT 14 29851 435557
San Giovanni la Punta CT 15 23060 458617
Aci Sant'Antonio CT 15 17984 476601
Sant'Agata li Battiati CT 15 9479 486080
Aci Bonaccorsi CT 16 3524 489604
Tremestieri Etneo CT 17 20589 510193
Gravina di Catania CT 17 25838 536031
Viagrande CT 17 8563 544594
Mascalucia CT 18 31958 576552
Trecastagni CT 19 10910 587462

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Catania (314555 inhabitants)
14 Km SE of Acireale (52622 inhabitants)
49 Km N of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
78 Km NE of Ragusa (73313 inhabitants)
82 Km SW of Messina (238439 inhabitants)
83 Km NE of Modica (54633 inhabitants)
87 Km NE of Vittoria (63339 inhabitants)
100 Km NE of Gela (75827 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 2.3 2015-03-13
22:43:52		 37.5022 15.2375 10 2015-10-19
09:27:47		 Bollettino Sismico Italiano INGV 21396531
Reviewed
Rev100 		ML 2.3 2015-03-13
22:43:52		 37.5033 15.2373 10 2015-03-13
22:58:36		 Sala Sismica INGV-Roma 17770541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-03-13 22:43:52 ± 0.11
Latitude 37.5022 ± 0.0036
Longitude 15.2375 ± 0.0068
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21396531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 545
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26894
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 21396531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-09-15 11:59:04

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 17770541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-03-13 22:58:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2015-03-13T22:44:26.22 3.0 negative manual Pn 2.49 0
IV.GMB.BHZ. 2015-03-13T22:44:19.44 0.1 undecidable manual S 35 90.243 50 0.43 82
IV.MPAZ.HHZ. 2015-03-13T22:44:17.54 0.1 undecidable manual S 53 84.0492 50 0.2 88
IV.MSFR.HHZ. 2015-03-13T22:44:17.33 0.1 undecidable manual S 316 81.7515 50 0.58 80
IV.FAVR.HHZ. 2015-03-13T22:44:15.94 0.3 undecidable manual P 260 140.8479 50 0.46 55
IV.MPNC.HHZ. 2015-03-13T22:44:14.31 0.1 undecidable manual S 8 72.1722 50 0.12 91
IV.JOPP.HHZ. 2015-03-13T22:44:13.44 0.3 undecidable manual P 25 134.9649 50 -1.13 42
IV.MUCR.HHZ. 2015-03-13T22:44:13.67 0.1 undecidable manual S 332 67.9764 50 0.62 81
IV.MTTG.HHZ. 2015-03-13T22:44:13.21 0.1 undecidable manual S 36 68.7756 50 -0.07 93
IV.IACL.HHZ. 2015-03-13T22:44:13.28 0.3 undecidable manual P 326 137.9619 50 -1.74 29
IV.GALF.HHZ. 2015-03-13T22:44:12.12 0.1 undecidable manual S 292 63.3921 50 0.29 89
IV.CLTA.HHZ. 2015-03-13T22:44:11.68 0.6 undecidable manual P 252 118.7922 50 -0.4 39
IV.MCSR.HHZ. 2015-03-13T22:44:11.91 0.1 undecidable manual S 359 62.3931 50 0.33 89
IV.NOV.HHZ. 2015-03-13T22:44:10.84 0.1 undecidable manual S 351 58.9965 50 0.18 92
IV.IVPL.HHZ. 2015-03-13T22:44:09.07 0.3 undecidable manual P 347 99.5226 50 -0.04 66
IV.MEU.SHZ. 2015-03-13T22:44:09.68 0.1 undecidable manual S 220 56.2992 50 -0.28 91
IV.AIO.HHZ. 2015-03-13T22:44:08.93 0.1 undecidable manual S 360 52.0035 50 0.12 94
IV.EPZF.HHZ. 2015-03-13T22:44:08.10 0.1 undecidable manual S 317 48.9177 50 0.13 95
IV.MSCL.HHZ. 2015-03-13T22:44:08.23 0.1 undecidable manual P 31 94.3389 50 -0.08 88
IV.GMB.BHZ. 2015-03-13T22:44:07.49 0.1 undecidable manual P 35 90.243 50 -0.18 87
IV.HPAC.HHZ. 2015-03-13T22:44:07.37 0.3 undecidable manual P 191 89.8434 50 -0.24 64
IV.RAFF.HHZ. 2015-03-13T22:44:06.27 0.1 undecidable manual P 248 83.1501 50 -0.31 86
IV.SSY.HHZ. 2015-03-13T22:44:06.32 0.1 undecidable manual S 201 40.8258 50 0.5 89
IV.MPAZ.HHZ. 2015-03-13T22:44:06.59 0.1 undecidable manual P 53 84.0492 50 -0.12 89
IV.MSFR.HHZ. 2015-03-13T22:44:06.27 0.1 undecidable manual P 316 81.7515 50 -0.1 90
IV.MTTG.HHZ. 2015-03-13T22:44:04.24 0.3 undecidable manual P 36 68.7756 50 -0.13 69
IV.CAGR.HHZ. 2015-03-13T22:44:04.87 0.3 undecidable manual P 282 66.1893 50 0.9 54
IV.HLNI.HHZ. 2015-03-13T22:44:04.13 0.1 undecidable manual S 242 36.4413 50 -0.51 89
IV.HMDC.HHZ. 2015-03-13T22:44:04.46 0.1 undecidable manual P 214 72.372 50 -0.46 85
IV.MPNC.HHZ. 2015-03-13T22:44:04.62 0.3 undecidable manual P 8 72.1722 50 -0.28 66
IV.ESML.HHZ. 2015-03-13T22:44:04.00 0.1 undecidable manual S 292 34.0437 50 0 100
IV.GALF.HHZ. 2015-03-13T22:44:03.78 0.3 undecidable manual P 292 63.3921 50 0.25 68
IV.MCSR.HHZ. 2015-03-13T22:44:03.00 0.1 undecidable manual P 359 62.3931 50 -0.38 88
IV.MUCR.HHZ. 2015-03-13T22:44:03.97 0.1 undecidable manual P 332 67.9764 50 -0.27 89
IV.HAVL.HHZ. 2015-03-13T22:44:03.02 0.1 undecidable manual P 190 60.9945 50 -0.15 92
IV.AGST.EHZ. 2015-03-13T22:44:02.75 0.1 undecidable manual S 182 27.2505 50 0.56 89
IV.NOV.HHZ. 2015-03-13T22:44:02.80 0.3 undecidable manual P 351 58.9965 50 -0.06 71
IV.HAGA.HHZ. 2015-03-13T22:44:02.14 0.1 undecidable manual S 197 25.1526 111 0.57 89
IV.MEU.SHZ. 2015-03-13T22:44:01.99 0.1 positive manual P 220 56.2992 50 -0.46 87
IV.AIO.HHZ. 2015-03-13T22:44:01.54 0.1 undecidable manual P 360 52.0035 50 -0.25 92
IV.EPZF.HHZ. 2015-03-13T22:44:01.54 0.1 undecidable manual P 317 48.9177 50 0.23 93
IV.EMSG.HHZ. 2015-03-13T22:44:00.18 0.1 negative manual P 325 43.4232 50 -0.28 93
IV.SSY.HHZ. 2015-03-13T22:44:00.10 0.1 positive manual P 201 40.8258 50 0.04 98
IV.EPOZ.HHZ. 2015-03-13T22:43:59.55 0.1 undecidable manual S 347 19.3695 117 -0.18 99
IV.ESML.HHZ. 2015-03-13T22:43:58.31 0.6 undecidable manual P 292 34.0437 50 -0.7 42
IV.AGST.EHZ. 2015-03-13T22:43:58.21 0.1 negative manual P 182 27.2505 50 0.24 96
IV.HLNI.HHZ. 2015-03-13T22:43:58.98 0.1 positive manual P 242 36.4413 50 -0.41 92
IV.ESLN.HHZ. 2015-03-13T22:43:58.34 0.1 negative manual P 313 31.3464 50 -0.26 95
IV.HAGA.HHZ. 2015-03-13T22:43:57.89 0.1 positive manual P 197 25.1526 111 0.28 96
IV.EPOZ.HHZ. 2015-03-13T22:43:57.19 0.1 undecidable manual P 347 19.3695 117 0.64 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:2.8 0.003215 0.18 AML other m 2015-03-13T22:44:03.27
IV.AGST.EHN. ML:2.8 0.0035650000000000005 0.12 AML other m 2015-03-13T22:44:03.27
IV.AIO.HHE. ML:2.0 0.000249 0.8 AML other m 2015-03-13T22:44:10.16
IV.AIO.HHN. ML:2.0 0.0002575 0.4 AML other m 2015-03-13T22:44:10.16
IV.CAGR.HHE. ML:2.4 0.0005430000000000001 0.76 AML other m 2015-03-13T22:44:19.30
IV.CAGR.HHN. ML:2.2 0.0002805 0.42 AML other m 2015-03-13T22:44:23.19
IV.EMSG.HHE. ML:2.1 0.00041900000000000005 0.3 AML other m 2015-03-13T22:44:13.94
IV.EMSG.HHN. ML:2.1 0.000384 0.62 AML other m 2015-03-13T22:44:14.30
IV.EPOZ.HHE. ML:2.4 0.002165 0.4 AML other m 2015-03-13T22:44:01.81
IV.EPOZ.HHN. ML:2.4 0.00209 0.26 AML other m 2015-03-13T22:44:03.75
IV.EPZF.HHN. ML:2.0 0.00026249999999999993 0.34 AML other m 2015-03-13T22:44:16.38
IV.EPZF.HHE. ML:1.9 0.0002175 1.16 AML other m 2015-03-13T22:44:18.51
IV.ESLN.HHN. ML:1.8 0.0003165 0.56 AML other m 2015-03-13T22:44:04.77
IV.ESLN.HHE. ML:1.9 0.0003575 0.28 AML other m 2015-03-13T22:44:15.52
IV.GALF.HHN. ML:2.2 0.00027400000000000005 0.86 AML other m 2015-03-13T22:44:15.26
IV.GALF.HHE. ML:2.2 0.0003305 0.96 AML other m 2015-03-13T22:44:15.80
IV.GMB.BHN. ML:2.6 0.0005455 0.28 AML other m 2015-03-13T22:44:20.45
IV.GMB.BHE. ML:2.7 0.0005700000000000001 0.84 AML other m 2015-03-13T22:44:20.65
IV.HAGA.HHN. ML:2.0 0.000679 0.2 AML other m 2015-03-13T22:44:02.87
IV.HAGA.HHE. ML:2.2 0.0009895000000000001 0.44 AML other m 2015-03-13T22:44:02.70
IV.HAVL.HHE. ML:2.8 0.00139 1.44 AML other m 2015-03-13T22:44:13.05
IV.HAVL.HHN. ML:2.9 0.001655 0.14 AML other m 2015-03-13T22:44:12.02
IV.HLNI.HHE. ML:2.3 0.00084 1.46 AML other m 2015-03-13T22:44:04.83
IV.HLNI.HHN. ML:2.5 0.00131 0.78 AML other m 2015-03-13T22:44:04.66
IV.HMDC.HHN. ML:2.5 0.000483 0.52 AML other m 2015-03-13T22:44:15.87
IV.HMDC.HHE. ML:2.5 0.00046550000000000004 0.16 AML other m 2015-03-13T22:44:15.31
IV.MCSR.HHN. ML:2.3 0.000374 0.34 AML other m 2015-03-13T22:44:15.70
IV.MCSR.HHE. ML:2.3 0.0004095 0.32 AML other m 2015-03-13T22:44:12.90
IV.MEU.SHE. ML:0.0 0.0012549999999999998 0.2 AML other m 2015-03-13T22:44:09.96
IV.MEU.SHN. ML:0.0 0.0011639999999999999 0.2 AML other m 2015-03-13T22:44:09.94
IV.MPNC.HHE. ML:2.2 0.00024249999999999999 0.26 AML other m 2015-03-13T22:44:16.31
IV.MPNC.HHN. ML:2.2 0.000237 1.58 AML other m 2015-03-13T22:44:18.79
IV.MSCL.HHN. ML:2.3 0.000214 1.1 AML other m 2015-03-13T22:44:21.87
IV.MSCL.HHE. ML:2.3 0.00022349999999999998 1.58 AML other m 2015-03-13T22:44:26.38
IV.MTTG.HHN. ML:1.9 0.00012255 0.68 AML other m 2015-03-13T22:44:15.21
IV.MTTG.HHE. ML:1.9 0.000132 1.48 AML other m 2015-03-13T22:44:15.96
IV.MUCR.HHE. ML:2.0 0.0001815 0.4 AML other m 2015-03-13T22:44:16.07
IV.MUCR.HHN. ML:2.1 0.00022 0.32 AML other m 2015-03-13T22:44:15.35
IV.NOV.HHE. ML:2.1 0.00027899999999999995 0.32 AML other m 2015-03-13T22:44:13.99
IV.NOV.HHN. ML:2.1 0.0002495 0.3 AML other m 2015-03-13T22:44:12.08
IV.RAFF.HHN. ML:2.4 0.000368 0.46 AML other m 2015-03-13T22:44:18.97
IV.RAFF.HHE. ML:2.4 0.000345 0.46 AML other m 2015-03-13T22:44:18.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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