Terremoto di magnitudo ML 2.4 del 16-05-2020 ore 17:34:31 (Italia) in zona: 3 km NW Bolsena (VT)

Un terremoto di magnitudo ML 2.4 è avvenuto nella zona: 3 km NW Bolsena (VT), il

  • 16-05-2020 15:34:31 (UTC)
  • 16-05-2020 17:34:31 (UTC +02:00) ora italiana

con coordinate geografiche (lat, lon) 42.6640, 11.9570 ad una profondità di 10 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.

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
Bolsena VT 3 3991 3991
San Lorenzo Nuovo VT 5 2091 6082
Castel Giorgio TR 5 2131 8213
Grotte di Castro VT 7 2683 10896
Gradoli VT 9 1353 12249
Castel Viscardo TR 11 2938 15187
Latera VT 11 836 16023
Acquapendente VT 12 5506 21529
Onano VT 12 995 22524
Porano TR 12 1966 24490
Bagnoregio VT 12 3650 28140
Lubriano VT 13 909 29049
Capodimonte VT 13 1731 30780
Orvieto TR 14 20630 51410
Marta VT 15 3499 54909
Proceno VT 15 557 55466
Montefiascone VT 15 13432 68898
Valentano VT 15 2868 71766
Allerona TR 17 1794 73560
Celleno VT 18 1355 74915
Piansano VT 19 2079 76994
Sorano GR 20 3428 80422

Città più vicine con almeno 50000 abitanti

Il terremoto è stato localizzato
30 Km a NW di Viterbo (67173 abitanti)
58 Km a W di Terni (111501 abitanti)
61 Km a SW di Perugia (166134 abitanti)
65 Km a N di Civitavecchia (52991 abitanti)
69 Km a W di Foligno (57155 abitanti)
70 Km a E di Grosseto (82087 abitanti)
89 Km a SE di Siena (53903 abitanti)
90 Km a S di Arezzo (99543 abitanti)
96 Km a NW di Roma (2864731 abitanti)
97 Km a NW di Guidonia Montecelio (88673 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 2020-05-16
15:34:31
42.6642 11.9572 10 2020-11-19
12:37:00
Bollettino Sismico Italiano INGV 82738421
Rivista
Rev100
ML 2.6 2020-05-16
15:34:31
42.6758 12.0013 16 2020-09-08
14:57:04
Sala Sismica INGV-Roma 79203821
Localizzazione e magnitudo preferite finora.
Parametri della localizzazione preferita

Localizzazione

Campo Valore
Tempo (UTC) 2020-05-16 15:34:31 ± 0.11
Latitudine 42.6642 ± 0.0054
Longitudine 11.9572 ± 0.0049
Profondità (km) 10 ± 1 (from location)
Metodo di valutazione manual
Stato della valutazione reviewed
Versione 1000 -> BULLETIN-INGV
Tipo di evento earthquake
ID localizzazione 82738421

Incertezze

Campo Valore
Tipo di incertezza uncertainty ellipse
Semi-asse maggiore dell'ellisse di confidenza (metri) 538
Semi-asse minore dell'ellisse di confidenza (metri) 155
azimuth dell’asse maggiore dell’ellisse di confidenza (gradi) 358
Regione di confidenza sul piano orizzontale espressa mediante singolo valore di incertezza (metri) 540.0
Livello di confidenza dell'incertezza (%) 68

Qualità

Campo Valore
Maggiore gap azimutale nella distribuzione delle stazioni all'epicentro 69
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) 0.33
Distanza epicentrale della stazione piu' vicina (gradi) 0.12321
Distanza epicentrale della stazione piu’ lontana (gradi) 1.24196
Numero di stazioni in cui l’evento e’ stato osservato 46
Numero di stazioni usate nel calcolo dell'Origin 46
Parametri delle magnitudo

ML:2.6

Campo Valore
Valore 2.6
Incertezza 0.3
Num. stazioni usate 24
Tipo di magnitudo ML
Localizzazione di riferimento 79203821
Agenzia INGV
Autore Sala Sismica INGV-Roma
Tempo di creazione (UTC) 2020-05-16 15:53:26

ML:2.4

Campo Valore
Valore 2.4
Incertezza 0.2
Num. stazioni usate 87
Tipo di magnitudo ML
Localizzazione di riferimento 82738421
Agenzia INGV
Autore Bollettino Sismico Italiano INGV
Tempo di creazione (UTC) 2020-09-08 14:56:39
Tempi di arrivo
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2020-05-16T15:34:56.00 0.6 undecidable manual P 356 137.862 50 1.32 26
IV.ATMI.HHZ. 2020-05-16T15:34:56.41 0.6 undecidable manual S 19 78.4659 50 0.9 35
IV.ATTE.HHZ. 2020-05-16T15:34:53.15 0.6 undecidable manual S 28 67.377 50 0.6 41
IV.EL6.EHZ. 2020-05-16T15:34:51.84 0.6 undecidable manual P 51 118.5924 50 0.13 42
IV.PIEI.HNN. 2020-05-16T15:34:50.64 0.3 undecidable manual P 26 107.4147 50 0.66 56
IV.SSFR.HHN. 2020-05-16T15:34:50.29 0.6 undecidable manual P 38 108.7134 50 0.11 43
IV.CSP1.EHZ. 2020-05-16T15:34:50.57 0.6 undecidable manual P 65 111.999 50 -0.12 42
IV.CRE.HHZ. 2020-05-16T15:34:50.52 0.3 undecidable manual P 360 105.9162 50 0.77 53
IV.PARC.HHZ. 2020-05-16T15:34:50.91 0.3 undecidable manual P 12 111.4995 50 0.29 61
IV.TRIF.CHZ. 2020-05-16T15:34:49.87 0.3 undecidable manual P 301 99.2229 50 1.15 45
IV.RM33.EHZ. 2020-05-16T15:34:49.60 0.6 undecidable manual P 99 104.118 50 0.12 43
IV.FDMO.HHZ. 2020-05-16T15:34:49.18 0.6 undecidable manual P 65 100.7214 50 0.22 42
IV.ATPC.HHE. 2020-05-16T15:34:49.19 0.3 undecidable manual P 24 99.2229 50 0.47 61
IV.ATBU.EHZ. 2020-05-16T15:34:49.64 0.3 undecidable manual P 28 101.9202 50 0.5 60
IV.NRCA.HHE. 2020-05-16T15:34:48.10 0.3 undecidable manual P 78 96.126 50 -0.14 65
IV.CASP.HHZ. 2020-05-16T15:34:48.32 0.3 undecidable manual P 279 90.0432 50 1.01 49
IV.MTCE.HHZ. 2020-05-16T15:34:48.74 0.6 undecidable manual P 138 95.9262 50 0.52 40
IV.BADI.EHE. 2020-05-16T15:34:48.67 0.3 undecidable manual P 14 96.6255 50 0.35 62
IV.ATPI.EHZ. 2020-05-16T15:34:47.94 0.3 undecidable manual P 22 94.4388 50 -0.04 67
IV.ATFO.HHE. 2020-05-16T15:34:47.77 0.3 undecidable manual P 32 92.4408 50 0.09 67
IV.TB03.DHZ.01 2020-05-16T15:34:47.34 0.3 undecidable manual P 24 89.6436 50 0.09 67
IV.ATMC.EHE. 2020-05-16T15:34:47.14 0.6 undecidable manual P 12 88.8444 50 0.01 45
IV.ATMI.HHZ. 2020-05-16T15:34:46.21 0.3 undecidable manual P 19 78.4659 50 0.69 58
IV.CESI.HHN. 2020-05-16T15:34:46.36 0.3 undecidable manual P 64 85.8474 50 -0.3 64
IV.ATVO.HHZ. 2020-05-16T15:34:46.87 0.1 negative manual P 24 87.5457 50 -0.06 90
IV.BARO.EHZ. 2020-05-16T15:34:46.90 0.6 undecidable manual S 171 46.8198 50 -0.16 48
IV.ARCI.HHN. 2020-05-16T15:34:46.66 0.6 undecidable manual S 298 44.4222 50 0.24 47
IV.ATCC.EHE. 2020-05-16T15:34:45.75 0.1 negative manual P 44 80.0643 50 -0.02 92
IV.MAON.HHZ. 2020-05-16T15:34:45.41 0.1 positive manual P 249 72.4719 50 0.82 74
IV.MURB.HHZ. 2020-05-16T15:34:45.90 0.1 undecidable manual P 35 80.8635 50 0.01 92
IV.ATLO.EHE. 2020-05-16T15:34:45.72 0.3 undecidable manual P 27 80.9523 50 -0.18 67
TV.SF01.EHE. 2020-05-16T15:34:44.00 0.6 undecidable manual S 297 36.0417 50 -0.18 48
IV.ASSB.HHZ. 2020-05-16T15:34:44.00 0.3 undecidable manual P 53 70.8735 50 -0.34 66
IV.ATTE.HHZ. 2020-05-16T15:34:43.61 0.3 undecidable manual P 28 67.377 50 -0.21 68
IV.TOLF.HHN. 2020-05-16T15:34:43.19 0.3 undecidable manual P 177 66.6777 50 -0.51 64
IV.ARRO.EHZ. 2020-05-16T15:34:43.95 0.3 undecidable manual P 98 66.6777 50 0.25 68
IV.SRES.HHN. 2020-05-16T15:34:43.73 0.6 undecidable manual P 136 65.49 50 0.2 46
IV.MGAB.HHZ. 2020-05-16T15:34:42.04 0.6 undecidable manual S 25 30.3474 50 -0.61 44
TV.SF11.HHZ. 2020-05-16T15:34:42.71 0.6 undecidable manual S 315 32.0457 50 -0.41 46
TV.SF14.HHN. 2020-05-16T15:34:42.27 0.6 undecidable manual S 290 29.6481 50 -0.21 49
TV.SF13.HHN. 2020-05-16T15:34:42.95 0.6 undecidable manual S 302 32.4453 50 -0.26 48
TV.SF04.EHZ. 2020-05-16T15:34:42.46 0.6 undecidable manual S 308 30.747 50 -0.31 48
TV.SF03.EHN. 2020-05-16T15:34:41.30 0.6 undecidable manual S 305 26.9508 50 -0.45 46
IV.CESX.HHN. 2020-05-16T15:34:40.95 0.3 undecidable manual P 97 51.7038 50 -0.46 66
IV.BARO.EHZ. 2020-05-16T15:34:40.28 0.1 positive manual P 171 46.8198 50 -0.36 91
IV.MCIV.CHZ. 2020-05-16T15:34:40.87 0.6 undecidable manual S 299 26.1516 50 -0.67 43
IV.ARCI.HHN. 2020-05-16T15:34:40.35 0.3 undecidable manual P 298 44.4222 50 0.08 73
IV.MOMA.HHE. 2020-05-16T15:34:40.72 0.1 positive manual P 73 52.3032 50 -0.77 79
TV.SF01.EHE. 2020-05-16T15:34:39.21 0.3 undecidable manual P 297 36.0417 50 0.23 72
IV.SACS.HHE. 2020-05-16T15:34:39.60 0.3 undecidable manual S 349 20.868 116 -0.33 72
TV.SF11.HHZ. 2020-05-16T15:34:38.15 0.1 positive manual P 315 32.0457 50 -0.22 97
TV.SF13.HHN. 2020-05-16T15:34:38.24 0.1 positive manual P 302 32.4453 50 -0.18 97
IV.MGAB.HHZ. 2020-05-16T15:34:37.33 0.1 positive manual P 25 30.3474 50 -0.77 82
IV.LATE.HHZ. 2020-05-16T15:34:37.83 0.6 undecidable manual S 246 13.6752 126 0.03 52
TV.SF14.HHN. 2020-05-16T15:34:37.91 0.1 positive manual P 290 29.6481 50 -0.09 100
IV.MCIV.CHZ. 2020-05-16T15:34:37.36 0.1 undecidable manual P 299 26.1516 50 -0.1 100
TV.SF03.EHN. 2020-05-16T15:34:37.38 0.1 positive manual P 305 26.9508 50 -0.2 98
TV.SF04.EHZ. 2020-05-16T15:34:37.96 0.1 undecidable manual P 308 30.747 50 -0.21 97
IV.SACS.HHE. 2020-05-16T15:34:36.16 0.1 negative manual P 349 20.868 116 -0.37 95
IV.LATE.HHZ. 2020-05-16T15:34:35.55 0.1 positive manual P 246 13.6752 126 0.25 99
Ampiezza e Magnitudo per ciascuna stazione
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CASP.HHE. ML:0.0 0.000102611485 0.4096 AML other m 2020-05-16T15:35:01.79
IV.CASP.HHN. ML:0.0 0.0003039546 0.8576 AML other m 2020-05-16T15:35:03.13
IV.ATVO.HHE. ML:0.0 0.0004393486 0.3968 AML other m 2020-05-16T15:35:03.90
IV.ATVO.HHN. ML:0.0 0.00042154225 0.512 AML other m 2020-05-16T15:35:03.84
IV.SFI.EHE. ML:0.0 0.000068030885 0.8704 AML other m 2020-05-16T15:35:21.77
IV.SFI.EHN. ML:0.0 0.00007358212 1.0368 AML other m 2020-05-16T15:35:28.97
IV.LATE.HHN. ML:2.8 0.0063880479999999995 0.2816 AML other m 2020-05-16T15:34:42.81
IV.LATE.HHE. ML:2.7 0.005130798000000001 0.3456 AML other m 2020-05-16T15:34:40.05
IV.SACS.HHE. ML:2.8 0.005132887500000001 0.256 AML other m 2020-05-16T15:34:40.32
IV.SACS.HNN. ML:2.8 0.0045935379999999994 0.448 AML other m 2020-05-16T15:34:39.87
IV.SACS.HHN. ML:2.7 0.0035480995 0.2176 AML other m 2020-05-16T15:34:39.87
IV.SACS.HNE. ML:2.8 0.005306490999999999 0.2432 AML other m 2020-05-16T15:34:40.32
IV.MGAB.HNN. ML:2.6 0.001952325 0.4992 AML other m 2020-05-16T15:34:43.44
IV.MGAB.HHN. ML:2.6 0.0019472225000000001 0.3584 AML other m 2020-05-16T15:34:43.19
IV.MGAB.HHE. ML:2.8 0.003279934 0.3584 AML other m 2020-05-16T15:34:42.91
IV.MGAB.HNE. ML:2.8 0.0030688969999999997 0.4096 AML other m 2020-05-16T15:34:42.90
IV.MCIV.CHE. ML:2.4 0.001323528 0.3328 AML other m 2020-05-16T15:34:41.83
IV.MCIV.CHN. ML:2.2 0.0009798639 0.2944 AML other m 2020-05-16T15:34:43.19
TV.SF04.EHE. ML:2.6 0.0019502340000000001 0.2816 AML other m 2020-05-16T15:34:43.19
TV.SF04.EHN. ML:2.5 0.0015166434999999998 0.4736 AML other m 2020-05-16T15:34:47.16
TV.SF01.EHE. ML:2.6 0.0015741355 0.384 AML other m 2020-05-16T15:34:46.13
TV.SF01.EHN. ML:2.4 0.0011111735 0.2816 AML other m 2020-05-16T15:34:46.70
IV.BARO.EHE. ML:2.2 0.0004975164 0.4992 AML other m 2020-05-16T15:34:53.03
IV.BARO.HNE. ML:2.2 0.00049126495 0.4992 AML other m 2020-05-16T15:34:53.03
IV.BARO.HNN. ML:2.2 0.00052297875 0.3456 AML other m 2020-05-16T15:34:49.44
IV.BARO.EHN. ML:2.2 0.0005331767 0.3584 AML other m 2020-05-16T15:34:49.45
IV.ARCI.HHN. ML:2.2 0.00044204184999999997 0.384 AML other m 2020-05-16T15:34:49.85
IV.ARCI.HNN. ML:2.1 0.000403626 0.4096 AML other m 2020-05-16T15:34:49.65
IV.ARCI.HHE. ML:2.2 0.00047236965000000005 0.4992 AML other m 2020-05-16T15:34:48.97
IV.ARCI.HNE. ML:2.2 0.00046312069999999994 0.4736 AML other m 2020-05-16T15:34:48.97
IV.MOMA.HNN. ML:2.2 0.00036381795 0.2816 AML other m 2020-05-16T15:34:53.10
IV.MOMA.HNE. ML:2.4 0.0006643345000000001 0.2176 AML other m 2020-05-16T15:34:51.06
IV.MOMA.HHE. ML:2.4 0.00068331195 0.2176 AML other m 2020-05-16T15:34:51.06
IV.MOMA.HHN. ML:2.2 0.00039509844999999997 0.32 AML other m 2020-05-16T15:34:53.09
IV.CESX.HHN. ML:2.1 0.00028349275000000003 0.4224 AML other m 2020-05-16T15:34:57.95
IV.CESX.HHE. ML:2.0 0.00024296215000000002 0.4352 AML other m 2020-05-16T15:34:50.53
IV.ATTE.HHN. ML:2.4 0.00049075355 0.384 AML other m 2020-05-16T15:34:56.03
IV.ATTE.HHE. ML:2.4 0.0004538217999999999 0.32 AML other m 2020-05-16T15:34:56.04
IV.ARRO.EHE. ML:2.1 0.0002279399 0.4352 AML other m 2020-05-16T15:34:58.27
IV.ARRO.EHN. ML:2.2 0.00027095185 0.5888 AML other m 2020-05-16T15:35:00.95
IV.ASSB.HHN. ML:2.4 0.00043420445 0.64 AML other m 2020-05-16T15:34:58.45
IV.ASSB.HHE. ML:2.5 0.0005052517000000001 0.4608 AML other m 2020-05-16T15:34:57.24
IV.ATCC.EHN. ML:2.6 0.0005469873 0.4992 AML other m 2020-05-16T15:35:00.29
IV.ATCC.EHE. ML:2.7 0.00074269625 0.5248 AML other m 2020-05-16T15:35:03.02
IV.MURB.HNE. ML:3.1 0.0016822665 0.384 AML other m 2020-05-16T15:35:01.91
IV.MURB.HHN. ML:3.1 0.0016421125 0.3328 AML other m 2020-05-16T15:35:02.04
IV.MURB.HNN. ML:3.1 0.0015809205 0.32 AML other m 2020-05-16T15:35:02.04
IV.MURB.HHE. ML:3.2 0.001904932 0.3584 AML other m 2020-05-16T15:35:01.91
IV.ATMI.HHE. ML:2.9 0.001224169 0.6528 AML other m 2020-05-16T15:35:04.44
IV.ATMI.HHN. ML:2.8 0.0009802841 0.4224 AML other m 2020-05-16T15:34:59.78
IV.CESI.HNN. ML:2.3 0.00023915605000000002 0.3968 AML other m 2020-05-16T15:35:06.13
IV.CESI.HHE. ML:2.2 0.00021724825 0.512 AML other m 2020-05-16T15:35:01.16
IV.CESI.HNE. ML:2.2 0.0002010077 0.5248 AML other m 2020-05-16T15:35:01.18
IV.CESI.HHN. ML:2.3 0.00022812505 0.5888 AML other m 2020-05-16T15:35:05.25
IV.ATFO.HHE. ML:2.5 0.00037957135000000005 0.5632 AML other m 2020-05-16T15:35:03.22
IV.ATFO.HHN. ML:2.6 0.00042492640000000003 0.4608 AML other m 2020-05-16T15:35:02.63
IV.ATPI.EHE. ML:2.5 0.00034019025 0.6016 AML other m 2020-05-16T15:35:04.37
IV.ATPI.HNN. ML:2.5 0.00035442565 0.4864 AML other m 2020-05-16T15:35:06.85
IV.ATPI.EHN. ML:2.4 0.0002896544 0.448 AML other m 2020-05-16T15:35:06.85
IV.ATPI.HNE. ML:2.5 0.00037220465 0.5248 AML other m 2020-05-16T15:35:04.38
IV.NRCA.HHE. ML:2.2 0.0001824613 0.6144 AML other m 2020-05-16T15:35:08.79
IV.NRCA.HNE. ML:2.2 0.00018590835 0.7168 AML other m 2020-05-16T15:35:07.42
IV.NRCA.HHN. ML:2.1 0.000127649245 0.4224 AML other m 2020-05-16T15:35:08.02
IV.FDMO.HHE. ML:2.4 0.00021987845 0.8832 AML other m 2020-05-16T15:35:05.02
IV.FDMO.HHN. ML:2.1 0.00013661879999999997 0.5376 AML other m 2020-05-16T15:35:07.65
IV.RM33.EHE. ML:2.1 0.0001259537 0.8832 AML other m 2020-05-16T15:35:07.38
IV.RM33.HNN. ML:2.3 0.000203787735 0.8192 AML other m 2020-05-16T15:35:07.42
IV.RM33.HNE. ML:2.3 0.0001962981 0.6528 AML other m 2020-05-16T15:35:11.01
IV.RM33.EHN. ML:2.2 0.00015329824999999999 0.7424 AML other m 2020-05-16T15:35:06.39
IV.SSFR.HHN. ML:2.5 0.00025861905000000004 0.2688 AML other m 2020-05-16T15:35:08.81
IV.SSFR.HNN. ML:2.6 0.00030892135 0.2688 AML other m 2020-05-16T15:35:08.82
IV.SSFR.HHE. ML:2.5 0.0002479008 0.256 AML other m 2020-05-16T15:35:08.22
IV.SSFR.HNE. ML:2.5 0.0002493489 0.2816 AML other m 2020-05-16T15:35:08.22
IV.CRE.HHE. ML:2.1 0.000116823455 0.3328 AML other m 2020-05-16T15:35:07.57
IV.CRE.HHN. ML:2.2 0.00015038035 0.3328 AML other m 2020-05-16T15:35:08.70
IV.CSP1.EHN. ML:2.4 0.00022700065 0.5376 AML other m 2020-05-16T15:35:12.51
IV.CSP1.EHE. ML:2.4 0.0002198233 0.5248 AML other m 2020-05-16T15:35:12.21
IV.PARC.HHN. ML:2.3 0.00015641384999999999 0.4352 AML other m 2020-05-16T15:35:07.48
IV.PARC.HHE. ML:2.6 0.00034917629999999997 0.9216 AML other m 2020-05-16T15:35:10.95
IV.ARVD.HHE. ML:2.3 0.0001408937 0.5632 AML other m 2020-05-16T15:35:15.37
IV.ARVD.HHN. ML:2.2 0.00012493480000000002 0.6784 AML other m 2020-05-16T15:35:14.18
IV.EL6.EHN. ML:2.6 0.00030619895 0.8576 AML other m 2020-05-16T15:35:11.70
IV.EL6.EHE. ML:2.6 0.00034036935 0.5632 AML other m 2020-05-16T15:35:12.46
IV.SFI.HNN. ML:2.4 0.00014432445 1.0368 AML other m 2020-05-16T15:35:25.65
IV.SFI.HNE. ML:2.3 0.00013233039999999998 0.768 AML other m 2020-05-16T15:35:31.48
IV.PE3.EHE. ML:2.8 0.00044765369999999997 0.8576 AML other m 2020-05-16T15:35:15.43
IV.PE3.EHN. ML:2.9 0.00057280225 0.5376 AML other m 2020-05-16T15:35:13.15
TDMT - Time Domain Moment Tensor
Meccanismi di sorgente sismica nell'area
Download
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