Istituto Nazionale di Geofisica e Vulcanologia

Terremoto di magnitudo ML 2.4 del 08-05-2021 ore 18:20:06 (UTC) in zona: 2 km NW Sant'Alfio (CT)

Un terremoto di magnitudo ML 2.4 è avvenuto nella zona: 2 km NW Sant'Alfio (CT), il

  • 08-05-2021 18:20:06 (UTC)
  • 08-05-2021 20:20:06 (UTC +02:00) ora italiana

con coordinate geografiche (lat, lon) 37.7560, 15.1240 ad una profondità di 8 km.

Il terremoto è stato localizzato da: Bollettino Sismico Italiano INGV.

Ricerca terremoti: Qualsiasi nel raggio di 30 km

I valori delle coordinate ipocentrali e della magnitudo rappresentano la migliore stima con i dati a disposizione. Eventuali nuovi dati o analisi potrebbero far variare tali stime.

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Compila il questionario.

Visualizza la localizzazione con

Comuni entro 20 km dall'epicentro

Le distanze sono calcolate in base alle coordinate geografiche del Municipio (Istat).
Comune Prov Dist Pop Cum Pop
Sant'Alfio CT 2 1582 1582
Milo CT 4 1087 2669
Giarre CT 6 27659 30328
Mascali CT 6 14282 44610
Zafferana Etnea CT 7 9517 54127
Piedimonte Etneo CT 8 3963 58090
Riposto CT 8 14838 72928
Santa Venerina CT 8 8592 81520
Fiumefreddo di Sicilia CT 9 9623 91143
Linguaglossa CT 10 5403 96546
Calatabiano CT 12 5308 101854
Castiglione di Sicilia CT 14 3215 105069
Gaggi ME 15 3184 108253
Trecastagni CT 16 10910 119163
Motta Camastra ME 16 845 120008
Pedara CT 16 14102 134110
Francavilla di Sicilia ME 16 3945 138055
Viagrande CT 16 8563 146618
Acireale CT 16 52622 199240
Giardini-Naxos ME 17 9415 208655
Aci Sant'Antonio CT 17 17984 226639
Aci Catena CT 17 29851 256490
Moio Alcantara ME 17 717 257207
Aci Bonaccorsi CT 18 3524 260731
Taormina ME 18 10960 271691
Castelmola ME 18 1088 272779
Graniti ME 18 1492 274271
Nicolosi CT 18 7463 281734
Malvagna ME 19 733 282467
Valverde CT 20 7840 290307
San Giovanni la Punta CT 20 23060 313367

Città più vicine con almeno 50000 abitanti

Il terremoto è stato localizzato
16 Km a N di Acireale (52622 abitanti)
28 Km a N di Catania (314555 abitanti)
60 Km a SW di Reggio di Calabria (183035 abitanti)
62 Km a SW di Messina (238439 abitanti)
79 Km a N di Siracusa (122291 abitanti)
98 Km a E di Caltanissetta (63360 abitanti)
99 Km a NE di Ragusa (73313 abitanti)
Sismicità recente e storica
Pericolosità sismica
Mappe di scuotimento
Mappa del risentimento sismico
Cronologia delle localizzazioni calcolate
Tipo Magnitudo Tempo origine (UTC) Latitudine Longitudine Profondità (km) Ora pubblicazione (UTC) Autore ID Localizzazione
Bollettino
Rev1000 		ML 2.4 2021-05-08
18:20:06		 37.7563 15.1238 8 2021-12-29
11:12:35		 Bollettino Sismico Italiano INGV 96325691
Rivista
Rev200 		ML 2.2 2021-05-08
18:20:06		 37.771 15.094 6 2021-10-07
17:05:36		 Sala Operativa INGV_OE (Catania) 89923071
Localizzazione e magnitudo preferite finora.
Parametri della localizzazione preferita

Localizzazione

Campo Valore
Tempo (UTC) 2021-05-08 18:20:06 ± 0.07
Latitudine 37.7563 ± 0.0045
Longitudine 15.1238 ± 0.0057
Profondità (km) 8 ± 0 (from location)
Metodo di valutazione manual
Stato della valutazione reviewed
Versione 1000 -> BULLETIN-INGV
Tipo di evento earthquake
ID localizzazione 96325691

Incertezze

Campo Valore
Tipo di incertezza uncertainty ellipse
Semi-asse maggiore dell'ellisse di confidenza (metri) 561
Semi-asse minore dell'ellisse di confidenza (metri) 370
azimuth dell’asse maggiore dell’ellisse di confidenza (gradi) 299
Regione di confidenza sul piano orizzontale espressa mediante singolo valore di incertezza (metri) 560.0
Livello di confidenza dell'incertezza (%) 68

Qualità

Campo Valore
Maggiore gap azimutale nella distribuzione delle stazioni all'epicentro 51
Numero di fasi associato indipendentemente se utilizzate nella localizzazione (determinazione dell'Origin) 60
Numero di fasi 60
Scarto quadratico medio dei residui di tempo risultanti dal calcolo del tempo origine (Origin) della localizzazione (sec) 0.36
Distanza epicentrale della stazione piu' vicina (gradi) 0.00809
Distanza epicentrale della stazione piu’ lontana (gradi) 1.24466
Numero di stazioni in cui l’evento e’ stato osservato 42
Numero di stazioni usate nel calcolo dell'Origin 42
Parametri delle magnitudo

ML:2.4

Campo Valore
Valore 2.4
Incertezza 0.3
Num. stazioni usate 66
Tipo di magnitudo ML
Localizzazione di riferimento 96325691
Agenzia INGV
Autore Bollettino Sismico Italiano INGV
Tempo di creazione (UTC) 2021-10-07 17:05:15

ML:2.2

Campo Valore
Valore 2.2
Incertezza 0.2
Num. stazioni usate
Tipo di magnitudo ML
Localizzazione di riferimento 89923071
Agenzia INGV
Autore Sala Operativa INGV_OE (Catania)
Tempo di creazione (UTC) 2021-05-08 18:29:01
Tempi di arrivo
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2021-05-08T18:20:31.07 0.3 undecidable manual P 56 138.1617 50 1.44 34
IV.GIB.HHZ. 2021-05-08T18:20:25.28 0.6 undecidable manual P 285 99.5226 50 1.59 22
IV.PLLN.EHZ. 2021-05-08T18:20:23.88 0.6 undecidable manual P 287 89.7435 50 1.7 21
IV.MPNC.HHZ. 2021-05-08T18:20:22.24 0.6 undecidable manual S 25 47.7189 50 -0.12 46
IV.HAVL.HHZ. 2021-05-08T18:20:21.79 0.3 undecidable manual P 180 88.3449 50 -0.18 63
MN.CEL.HHZ. 2021-05-08T18:20:21.79 0.1 undecidable manual P 50 87.4458 50 -0.04 86
IV.CAGR.HHZ. 2021-05-08T18:20:19.07 0.3 undecidable manual P 255 56.7987 50 1.98 27
MN.VAE.HHZ. 2021-05-08T18:20:19.69 0.6 undecidable manual P 245 74.8695 50 -0.19 43
IV.MSRU.HHZ. 2021-05-08T18:20:18.33 0.3 undecidable manual P 31 65.5899 50 -0.12 66
IV.SSY.HHZ. 2021-05-08T18:20:18.57 0.3 undecidable manual P 184 66.5778 50 -0.03 67
IV.MILZ.HHZ. 2021-05-08T18:20:17.74 0.3 undecidable manual P 9 57.8976 50 0.48 62
IV.NOV.HHZ. 2021-05-08T18:20:17.17 0.6 undecidable manual S 2 30.1476 106 -0.27 46
IV.MTTG.HHZ. 2021-05-08T18:20:17.12 0.3 undecidable manual P 61 57.3981 50 -0.07 68
IV.MSFR.HHZ. 2021-05-08T18:20:17.90 0.3 undecidable manual P 304 55.7997 50 0.95 52
IV.EPZF.HHZ. 2021-05-08T18:20:16.10 0.6 undecidable manual S 288 24.5532 109 0.5 44
IV.MCPD.HHZ. 2021-05-08T18:20:16.49 0.3 undecidable manual P 320 53.0025 50 -0.02 69
IV.HCRL.HHZ. 2021-05-08T18:20:16.28 0.3 undecidable manual P 189 53.1024 50 -0.25 66
IV.GALF.HHZ. 2021-05-08T18:20:16.34 0.6 undecidable manual P 264 49.1175 50 0.42 43
IV.MPNC.HHZ. 2021-05-08T18:20:15.21 0.3 undecidable manual P 25 47.7189 50 -0.48 63
IV.AIO.HHZ. 2021-05-08T18:20:15.64 0.3 undecidable manual S 22 25.6521 108 -0.32 68
IV.HLNI.HHZ. 2021-05-08T18:20:15.57 0.3 undecidable manual P 206 50.4162 50 -0.54 62
IV.MUCR.HHZ. 2021-05-08T18:20:13.91 0.1 undecidable manual P 326 38.628 50 -0.39 88
IV.ESLN.HHZ. 2021-05-08T18:20:12.06 0.6 undecidable manual S 242 14.874 120 -0.45 45
IV.NOV.HHZ. 2021-05-08T18:20:12.48 0.3 undecidable manual P 2 30.1476 106 -0.38 67
IV.ECTS.HHZ. 2021-05-08T18:20:12.06 0.6 undecidable manual S 359 13.9749 121 -0.18 48
IV.ECNE.HHN. 2021-05-08T18:20:12.11 0.6 undecidable manual S 275 10.7781 128 0.78 40
IV.ESCV.HHZ. 2021-05-08T18:20:12.51 0.3 undecidable manual P 268 27.0507 107 0.24 69
IV.EFIU.HHZ. 2021-05-08T18:20:12.14 0.6 undecidable manual S 64 8.3805 135 1.42 29
IV.EMPL.HHZ. 2021-05-08T18:20:12.61 0.6 undecidable manual S 238 15.9729 118 -0.25 47
IV.ESML.HHZ. 2021-05-08T18:20:12.20 0.3 undecidable manual P 235 26.3514 108 0.07 72
IV.ESPC.HHN. 2021-05-08T18:20:11.38 0.6 undecidable manual S 230 11.0778 127 -0.02 50
IV.EVRN.HNZ. 2021-05-08T18:20:11.41 0.6 undecidable manual S 172 7.4814 138 0.9 38
IV.EPIT.HHZ. 2021-05-08T18:20:11.36 0.3 undecidable manual S 316 8.4804 135 0.62 64
IV.EPZF.HHZ. 2021-05-08T18:20:11.62 0.1 undecidable manual P 288 24.5532 109 -0.17 94
IV.EMFS.HHE. 2021-05-08T18:20:11.48 0.6 undecidable manual S 250 11.7771 126 -0.14 48
IV.EMNR.HHZ. 2021-05-08T18:20:11.61 0.6 undecidable manual S 308 10.878 128 0.24 47
IV.AIO.HHZ. 2021-05-08T18:20:11.69 0.3 undecidable manual P 22 25.6521 108 -0.31 68
IV.EMCN.HHN. 2021-05-08T18:20:11.27 0.6 undecidable manual S 296 8.7801 134 0.46 46
IV.ENIC.HHZ. 2021-05-08T18:20:10.27 0.6 undecidable manual P 213 16.4724 117 -0.03 49
IV.EMSG.HHZ. 2021-05-08T18:20:10.31 0.1 undecidable manual P 295 16.872 117 -0.05 98
IV.EMFS.HHE. 2021-05-08T18:20:09.26 0.1 undecidable manual P 250 11.7771 126 -0.23 95
IV.EMNR.HHZ. 2021-05-08T18:20:09.40 0.1 undecidable manual P 308 10.878 128 0.05 99
IV.ECTS.HHZ. 2021-05-08T18:20:09.47 0.1 undecidable manual P 359 13.9749 121 -0.38 92
IV.ECNE.HHN. 2021-05-08T18:20:09.28 0.1 undecidable manual P 275 10.7781 128 -0.04 99
IV.EMCN.HHN. 2021-05-08T18:20:09.00 0.1 undecidable manual P 296 8.7801 134 -0.03 100
IV.EMPL.HHZ. 2021-05-08T18:20:09.79 0.1 undecidable manual P 238 15.9729 118 -0.42 91
IV.ECPN.HHZ. 2021-05-08T18:20:09.37 0.1 undecidable manual P 263 12.1767 125 -0.18 96
IV.ESPC.HHN. 2021-05-08T18:20:09.10 0.1 undecidable manual P 230 11.0778 127 -0.27 94
IV.ESVO.HHE. 2021-05-08T18:20:09.97 0.1 undecidable manual P 277 15.6732 118 -0.17 96
IV.EPOZ.HHZ. 2021-05-08T18:20:09.87 0.1 undecidable manual P 149 10.9779 128 0.51 89
IV.ESAL.HHZ. 2021-05-08T18:20:09.92 0.3 undecidable manual S 98 0.8991 174 0.39 70
IV.ESLN.HHZ. 2021-05-08T18:20:09.57 0.1 undecidable manual P 242 14.874 120 -0.44 90
IV.EMFO.HHE. 2021-05-08T18:20:09.84 0.6 undecidable manual S 232 3.6963 156 0.06 50
IV.ECBD.HHN. 2021-05-08T18:20:09.78 0.6 undecidable manual S 309 4.1958 153 -0.08 50
IV.ESAL.HHZ. 2021-05-08T18:20:08.12 0.1 undecidable manual P 98 0.8991 174 -0.17 98
IV.EMFO.HHE. 2021-05-08T18:20:08.27 0.1 undecidable manual P 232 3.6963 156 -0.16 98
IV.EFIU.HHZ. 2021-05-08T18:20:08.91 0.1 undecidable manual P 64 8.3805 135 -0.07 99
IV.ECBD.HHN. 2021-05-08T18:20:08.24 0.1 undecidable manual P 309 4.1958 153 -0.23 96
IV.EVRN.HNZ. 2021-05-08T18:20:08.92 0.1 undecidable manual P 172 7.4814 138 0.07 99
IV.EPIT.HHZ. 2021-05-08T18:20:08.97 0.1 undecidable manual P 316 8.4804 135 -0.01 100
Ampiezza e Magnitudo per ciascuna stazione
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPIT.HHN. ML:3.3 0.031186574999999998 0.2432 AML other m 2021-05-08T18:20:11.85
IV.EPIT.HHE. ML:3.2 0.027859925000000004 1.6928 AML other m 2021-05-08T18:20:12.03
IV.EFIU.HHE. ML:2.3 0.0029610064999999997 0.2688 AML other m 2021-05-08T18:20:12.61
IV.ECTS.HHE. ML:2.3 0.002139173 0.2176 AML other m 2021-05-08T18:20:12.79
IV.EVRN.HHN. ML:2.8 0.011839095000000001 0.1792 AML other m 2021-05-08T18:20:13.33
IV.EFIU.HHN. ML:2.3 0.0032629865000000004 0.5632 AML other m 2021-05-08T18:20:13.54
IV.EPOZ.HHN. ML:2.5 0.00412332 0.2688 AML other m 2021-05-08T18:20:14.28
IV.EVRN.HNE. ML:2.9 0.01204836 0.3328 AML other m 2021-05-08T18:20:14.64
IV.EVRN.HHE. ML:3.0 0.016746925 0.3072 AML other m 2021-05-08T18:20:14.64
IV.ECTS.HHN. ML:2.3 0.0021865135000000003 0.2816 AML other m 2021-05-08T18:20:14.57
IV.EVRN.HNN. ML:3.0 0.015298605000000002 0.2432 AML other m 2021-05-08T18:20:14.62
IV.EMPL.HHE. ML:2.6 0.0035152634999999995 0.192 AML other m 2021-05-08T18:20:15.01
IV.EMPL.HHN. ML:2.8 0.0058200000000000005 1.78 AML other m 2021-05-08T18:20:15.98
IV.ENIC.HHE. ML:2.5 0.0030748305 1.7952 AML other m 2021-05-08T18:20:16.94
IV.ENIC.HNN. ML:2.6 0.0035800000000000003 0.26 AML other m 2021-05-08T18:20:17.41
IV.ENIC.HHN. ML:2.6 0.0038100000000000005 0.34 AML other m 2021-05-08T18:20:17.54
IV.EPOZ.HHE. ML:2.6 0.004967974500000001 0.3328 AML other m 2021-05-08T18:20:17.90
IV.AIO.HHE. ML:2.2 0.0009661001 0.2432 AML other m 2021-05-08T18:20:18.12
IV.AIO.HHN. ML:2.3 0.0012909204999999998 0.2432 AML other m 2021-05-08T18:20:18.85
IV.EPZF.HHE. ML:2.5 0.00212 1.5 AML other m 2021-05-08T18:20:18.20
IV.EMSG.HHN. ML:2.8 0.006085 0.56 AML other m 2021-05-08T18:20:19.10
IV.NOV.HHE. ML:2.8 0.0032322074999999997 1.5264 AML other m 2021-05-08T18:20:19.17
IV.ENIC.HNE. ML:2.6 0.00395 0.18 AML other m 2021-05-08T18:20:19.70
IV.EMSG.HHE. ML:2.7 0.00463 0.26 AML other m 2021-05-08T18:20:20.07
IV.NOV.HHN. ML:2.6 0.00183 0.46 AML other m 2021-05-08T18:20:20.33
IV.ESCV.HHE. ML:2.3 0.0011414735 0.32 AML other m 2021-05-08T18:20:22.78
IV.ESCV.HHN. ML:2.5 0.0018199999999999998 1.5 AML other m 2021-05-08T18:20:23.75
IV.EPZF.HHN. ML:2.7 0.0030236675 0.576 AML other m 2021-05-08T18:20:23.46
IV.MPNC.HHN. ML:2.4 0.0007513876500000001 0.6016 AML other m 2021-05-08T18:20:23.96
IV.MUCR.HHE. ML:2.1 0.000481 0.34 AML other m 2021-05-08T18:20:23.69
IV.MPNC.HHE. ML:2.6 0.001125 1.4 AML other m 2021-05-08T18:20:24.92
IV.HCRL.HHE. ML:2.3 0.0004595 1.52 AML other m 2021-05-08T18:20:24.20
IV.ESML.HNE. ML:2.1 0.0007615 1.42 AML other m 2021-05-08T18:20:25.01
IV.ESML.HHE. ML:2.1 0.000742 1.4 AML other m 2021-05-08T18:20:25.01
IV.ESML.HHN. ML:2.2 0.0008205 0.52 AML other m 2021-05-08T18:20:25.39
IV.ESML.HNN. ML:2.1 0.0007515000000000001 0.52 AML other m 2021-05-08T18:20:25.40
IV.MUCR.HHN. ML:2.2 0.0006924999999999999 1.5 AML other m 2021-05-08T18:20:26.79
IV.HCRL.HHN. ML:2.1 0.00029549999999999997 1.62 AML other m 2021-05-08T18:20:26.06
IV.HLNI.HHN. ML:1.6 0.00009372900000000001 0.256 AML other m 2021-05-08T18:20:26.45
IV.HLNI.HHE. ML:1.5 0.00008558208500000001 0.3456 AML other m 2021-05-08T18:20:26.19
IV.GALF.HNN. ML:1.7 0.00013646486 1.3088 AML other m 2021-05-08T18:20:27.82
IV.GALF.HHE. ML:2.5 0.0008725 1.16 AML other m 2021-05-08T18:20:28.89
IV.MILZ.HHN. ML:2.4 0.00052546695 0.384 AML other m 2021-05-08T18:20:28.25
IV.SSY.HHE. ML:2.6 0.0007495000000000001 1.58 AML other m 2021-05-08T18:20:28.87
IV.MCPD.HHN. ML:1.9 0.00017999999999999998 0.32 AML other m 2021-05-08T18:20:29.03
IV.MTTG.HHE. ML:1.9 0.0001645 1.42 AML other m 2021-05-08T18:20:29.26
IV.MCPD.HHE. ML:1.9 0.000189 1.66 AML other m 2021-05-08T18:20:30.84
IV.MSFR.HHN. ML:1.6 0.000102313425 0.3584 AML other m 2021-05-08T18:20:30.30
IV.MSRU.HHE. ML:2.2 0.000299 0.44 AML other m 2021-05-08T18:20:30.18
IV.MTTG.HHN. ML:1.9 0.000176 0.56 AML other m 2021-05-08T18:20:31.45
IV.MSRU.HHN. ML:2.2 0.000264 0.36 AML other m 2021-05-08T18:20:31.74
IV.GALF.HHN. ML:2.5 0.000869 1.18 AML other m 2021-05-08T18:20:32.36
IV.MILZ.HHE. ML:2.6 0.0009834760999999999 0.4608 AML other m 2021-05-08T18:20:32.53
IV.SSY.HHN. ML:2.9 0.00151709 0.2176 AML other m 2021-05-08T18:20:34.21
IV.GALF.HNE. ML:1.7 0.00013789800000000001 1.0912 AML other m 2021-05-08T18:20:34.44
IV.CAGR.HHE. ML:2.3 0.00040649999999999996 0.64 AML other m 2021-05-08T18:20:35.37
IV.HAVL.HHE. ML:2.6 0.00041900000000000005 0.28 AML other m 2021-05-08T18:20:37.45
IV.CAGR.HHN. ML:2.2 0.00032950000000000004 1.16 AML other m 2021-05-08T18:20:37.40
IV.HAVL.HHN. ML:2.7 0.0005520000000000001 0.24 AML other m 2021-05-08T18:20:37.45
MN.CEL.HNN. ML:2.1 0.00014644980000000002 0.9216 AML other m 2021-05-08T18:20:38.30
MN.CEL.HHN. ML:2.0 0.0001235 0.5 AML other m 2021-05-08T18:20:38.08
MN.CEL.HHE. ML:1.9 0.00009371885999999999 0.6272 AML other m 2021-05-08T18:20:38.03
IV.MSFR.HHE. ML:1.6 0.0000981 0.9 AML other m 2021-05-08T18:20:38.08
MN.CEL.HNE. ML:1.9 0.000089720065 0.512 AML other m 2021-05-08T18:20:43.67
IV.GIB.HHE. ML:2.3 0.0001985 0.72 AML other m 2021-05-08T18:20:44.03
IV.GIB.HHN. ML:2.3 0.00021349999999999999 0.6 AML other m 2021-05-08T18:20:46.83
TDMT - Time Domain Moment Tensor
Meccanismi di sorgente sismica nell'area
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Tipo Descrizione Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Forme d'onda Segnali sismici in formato miniseed + resp Download