Istituto Nazionale di Geofisica e Vulcanologia

Terremoto di magnitudo ML 1.8 del 31-10-2020 ore 21:33:11 (Italia) in zona: 4 km SW Preci (PG)

Un terremoto di magnitudo ML 1.8 è avvenuto nella zona: 4 km SW Preci (PG), il

  • 31-10-2020 20:33:11 (UTC)
  • 31-10-2020 21:33:11 (UTC +01:00) ora italiana

con coordinate geografiche (lat, lon) 42.8540, 12.9980 ad una profondità di 11 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.

Hai sentito il terremoto? Clicca qui

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
Preci PG 5 724 724
Sellano PG 7 1079 1803
Cerreto di Spoleto PG 8 1075 2878
Norcia PG 10 4957 7835
Visso MC 11 1107 8942
Castelsantangelo sul Nera MC 14 281 9223
Vallo di Nera PG 14 364 9587
Cascia PG 15 3217 12804
Ussita MC 15 444 13248
Monte Cavallo MC 16 145 13393
Poggiodomo PG 17 117 13510
Campello sul Clitunno PG 18 2442 15952
Sant'Anatolia di Narco PG 19 564 16516

Città più vicine con almeno 50000 abitanti

Il terremoto è stato localizzato
27 Km a E di Foligno (57155 abitanti)
43 Km a NE di Terni (111501 abitanti)
57 Km a SE di Perugia (166134 abitanti)
62 Km a W di Teramo (54892 abitanti)
65 Km a NW di L'Aquila (69753 abitanti)
88 Km a NE di Viterbo (67173 abitanti)
95 Km a SW di Ancona (100861 abitanti)
97 Km a N di Guidonia Montecelio (88673 abitanti)
100 Km a N di Tivoli (56533 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 1.8 2020-10-31
20:33:11		 42.8535 12.9982 11 2021-02-26
14:56:15		 Bollettino Sismico Italiano INGV 86241511
Rivista
Rev100 		ML 1.8 2020-10-31
20:33:11		 42.8535 12.9943 11 2020-10-31
20:39:42		 Sala Sismica INGV-Roma 84334201
Localizzazione e magnitudo preferite finora.
Parametri della localizzazione preferita

Localizzazione

Campo Valore
Tempo (UTC) 2020-10-31 20:33:11 ± 0.02
Latitudine 42.8535 ± 0.0009
Longitudine 12.9982 ± 0.0025
Profondità (km) 11 ± 0 (from location)
Metodo di valutazione manual
Stato della valutazione reviewed
Versione 1000 -> BULLETIN-INGV
Tipo di evento earthquake
ID localizzazione 86241511

Incertezze

Campo Valore
Tipo di incertezza uncertainty ellipse
Semi-asse maggiore dell'ellisse di confidenza (metri) 151
Semi-asse minore dell'ellisse di confidenza (metri) 132
azimuth dell’asse maggiore dell’ellisse di confidenza (gradi) 92
Regione di confidenza sul piano orizzontale espressa mediante singolo valore di incertezza (metri) 150.0
Livello di confidenza dell'incertezza (%) 68

Qualità

Campo Valore
Maggiore gap azimutale nella distribuzione delle stazioni all'epicentro 37
Numero di fasi associato indipendentemente se utilizzate nella localizzazione (determinazione dell'Origin) 54
Numero di fasi 46
Scarto quadratico medio dei residui di tempo risultanti dal calcolo del tempo origine (Origin) della localizzazione (sec) 0.13
Distanza epicentrale della stazione piu' vicina (gradi) 0.00000
Distanza epicentrale della stazione piu’ lontana (gradi) 0.53600
Numero di stazioni in cui l’evento e’ stato osservato 34
Numero di stazioni usate nel calcolo dell'Origin 27
Parametri delle magnitudo

ML:1.8

Campo Valore
Valore 1.8
Incertezza 0.3
Num. stazioni usate 54
Tipo di magnitudo ML
Localizzazione di riferimento 84334201
Agenzia INGV
Autore Sala Sismica INGV-Roma
Tempo di creazione (UTC) 2020-10-31 20:39:42

ML:1.8

Campo Valore
Valore 1.8
Incertezza 0.3
Num. stazioni usate 52
Tipo di magnitudo ML
Localizzazione di riferimento 86241511
Agenzia INGV
Autore Bollettino Sismico Italiano INGV
Tempo di creazione (UTC) 2021-01-14 09:12:57
Tempi di arrivo
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2020-10-31T20:33:35.63 3.0 undecidable manual S 0.04 0
IV.ARVD.HHZ. 2020-10-31T20:33:34.40 3.0 undecidable manual S -0.1 0
IV.NARO.HHZ. 2020-10-31T20:33:27.02 3.0 undecidable manual P -0.35 0
IV.ATCC.EHZ. 2020-10-31T20:33:26.96 0.1 undecidable manual S 322 46.9197 50 0.49 85
IV.SNTG.HHZ. 2020-10-31T20:33:26.02 0.3 undecidable manual S 354 44.8218 50 0.11 70
IV.RM33.EHZ. 2020-10-31T20:33:25.34 0.6 undecidable manual S 155 42.1245 50 0.15 46
IV.FRON.EHZ. 2020-10-31T20:33:24.88 3.0 positive manual P -0.23 0
IV.ARVD.HHZ. 2020-10-31T20:33:24.05 3.0 negative manual P -0.21 0
IV.MGAB.HHZ. 2020-10-31T20:33:24.51 3.0 undecidable manual P 0.25 0
IV.ASSB.HHZ. 2020-10-31T20:33:23.08 0.1 undecidable manual S 307 34.6431 50 -0.13 94
IV.ARRO.EHZ. 2020-10-31T20:33:23.58 0.1 undecidable manual S 212 35.8419 50 0.05 96
IV.SSFR.HHZ. 2020-10-31T20:33:23.55 3.0 negative manual P 0.09 0
IV.MOMA.HHZ. 2020-10-31T20:33:23.59 0.3 undecidable manual S 261 35.2425 50 0.22 69
IV.GUMA.HHZ. 2020-10-31T20:33:23.67 0.3 undecidable manual S 50 35.8419 50 0.14 70
IV.ATFO.HHZ. 2020-10-31T20:33:23.51 3.0 negative manual P 0.14 0
IV.MURB.HHZ. 2020-10-31T20:33:22.14 0.3 undecidable manual P 320 59.496 50 0.09 68
IV.CSP1.EHZ. 2020-10-31T20:33:22.31 0.1 undecidable manual S 32 31.3464 50 -0.01 97
IT.FOPC.HGZ. 2020-10-31T20:33:21.38 0.3 undecidable manual S 298 27.2505 50 0.16 71
IV.EL6.EHZ. 2020-10-31T20:33:21.14 0.3 undecidable manual P 9 53.4021 50 0.01 70
IV.MMO1.EHZ. 2020-10-31T20:33:21.06 0.3 undecidable manual S 79 27.1506 50 -0.16 71
IV.MML1.HNZ. 2020-10-31T20:33:21.78 0.3 undecidable manual S 356 28.9488 50 0.1 72
IV.LNSS.HHZ. 2020-10-31T20:33:21.29 0.3 undecidable manual S 173 28.0497 50 -0.15 71
IV.TERO.HHZ. 2020-10-31T20:33:21.49 0.3 undecidable manual P 117 55.5999 50 0.04 69
IV.FOSV.EHZ. 2020-10-31T20:33:20.90 0.6 undecidable manual P 339 52.6029 50 -0.09 46
IV.ATCC.EHZ. 2020-10-31T20:33:20.19 0.1 undecidable manual P 322 46.9197 50 0.07 93
IV.CAMP.HHZ. 2020-10-31T20:33:20.29 0.6 undecidable manual P 136 48.618 50 -0.09 46
IV.GAVE.HNZ. 2020-10-31T20:33:19.18 0.1 undecidable manual S 205 19.7691 118 -0.05 98
IV.RM33.EHZ. 2020-10-31T20:33:19.26 0.3 undecidable manual P 155 42.1245 50 -0.12 70
IV.SAP2.EHZ. 2020-10-31T20:33:19.35 0.6 undecidable manual P 50 42.2244 50 -0.05 47
IV.FDMO.HHZ. 2020-10-31T20:33:19.49 0.3 undecidable manual S 20 21.5673 50 -0.22 71
IV.SNTG.HHZ. 2020-10-31T20:33:19.70 0.3 undecidable manual P 354 44.8218 50 -0.09 70
IV.CESX.HHZ. 2020-10-31T20:33:19.37 0.6 undecidable manual P 231 43.1235 50 -0.17 46
IV.GUMA.HHZ. 2020-10-31T20:33:18.42 0.3 undecidable manual P 50 35.8419 50 0 72
IV.ASSB.HHZ. 2020-10-31T20:33:18.06 0.1 undecidable manual P 307 34.6431 50 -0.17 94
IV.SMA1.EHZ. 2020-10-31T20:33:18.58 0.6 undecidable manual P 132 36.9297 50 0 48
IV.MC2.EHZ. 2020-10-31T20:33:18.54 0.1 undecidable manual S 67 16.7721 123 0.21 96
IV.ARRO.EHZ. 2020-10-31T20:33:18.39 0.1 undecidable manual P 212 35.8419 50 -0.02 96
IV.CESI.HHZ. 2020-10-31T20:33:18.67 0.1 undecidable manual S 336 18.4704 120 -0.15 97
IV.MOMA.HHZ. 2020-10-31T20:33:18.25 0.3 undecidable manual P 261 35.2425 50 -0.07 71
IV.CSP1.EHZ. 2020-10-31T20:33:17.69 0.1 undecidable manual P 32 31.3464 50 -0.03 97
IT.MTCL.HGZ. 2020-10-31T20:33:17.70 0.1 undecidable manual S 0 15.5733 125 -0.28 94
IT.FOPC.HGZ. 2020-10-31T20:33:17.07 0.3 undecidable manual P 298 27.2505 50 -0.01 73
IV.MMO1.EHZ. 2020-10-31T20:33:17.01 0.3 undecidable manual P 79 27.1506 50 -0.07 72
IV.FEMA.HNZ. 2020-10-31T20:33:17.18 0.3 undecidable manual S 19 12.7761 130 -0.02 75
IV.MML1.HNZ. 2020-10-31T20:33:17.17 0.3 undecidable manual P 356 28.9488 50 -0.17 71
IV.LNSS.HHZ. 2020-10-31T20:33:17.15 0.1 undecidable manual P 173 28.0497 50 -0.06 97
IV.NRCA.HNZ. 2020-10-31T20:33:16.50 0.1 undecidable manual S 103 9.6792 138 0.07 100
IV.FDMO.HHZ. 2020-10-31T20:33:16.13 0.1 undecidable manual P 20 21.5673 50 -0.08 97
IV.CESI.HHZ. 2020-10-31T20:33:15.72 0.1 undecidable manual P 336 18.4704 120 0.02 99
IV.GAVE.HNZ. 2020-10-31T20:33:15.98 0.1 undecidable manual P 205 19.7691 118 0.05 98
IT.MTCL.HGZ. 2020-10-31T20:33:15.21 0.1 undecidable manual P 0 15.5733 125 0 100
IV.MC2.EHZ. 2020-10-31T20:33:15.56 0.1 undecidable manual P 67 16.7721 123 0.15 97
IV.FEMA.HNZ. 2020-10-31T20:33:14.92 0.3 undecidable manual P 19 12.7761 130 0.16 73
IV.NRCA.HNZ. 2020-10-31T20:33:14.44 0.1 undecidable manual P 103 9.6792 138 0.12 99
Ampiezza e Magnitudo per ciascuna stazione
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.2 0.0019199999999999998 0.08 AML other m 2020-10-31T20:33:16.55
IV.NRCA.HHN. ML:2.2 0.002085 0.1 AML other m 2020-10-31T20:33:16.56
IV.NRCA.HNE. ML:2.1 0.001495 0.12 AML other m 2020-10-31T20:33:17.09
IV.NRCA.HHE. ML:2.1 0.0015750000000000002 0.12 AML other m 2020-10-31T20:33:17.03
IV.CESI.HHN. ML:2.5 0.0025499999999999997 0.12 AML other m 2020-10-31T20:33:18.88
IV.CESI.HHE. ML:2.1 0.001054 0.2 AML other m 2020-10-31T20:33:18.86
IV.GAVE.EHN. ML:1.9 0.0006265000000000001 0.58 AML other m 2020-10-31T20:33:19.36
IV.GAVE.EHE. ML:2.0 0.0007749999999999999 0.32 AML other m 2020-10-31T20:33:20.57
IV.LNSS.HHN. ML:2.1 0.000686 0.26 AML other m 2020-10-31T20:33:21.94
IV.LNSS.HHE. ML:2.0 0.000522 0.34 AML other m 2020-10-31T20:33:21.68
IV.CSP1.EHE. ML:2.2 0.000661 0.62 AML other m 2020-10-31T20:33:23.05
IV.ASSB.HHE. ML:2.0 0.000411 0.5 AML other m 2020-10-31T20:33:23.39
IV.ASSB.HHN. ML:1.8 0.00027350000000000003 0.26 AML other m 2020-10-31T20:33:23.44
IV.CSP1.EHN. ML:2.2 0.000689 0.16 AML other m 2020-10-31T20:33:23.58
IV.MOMA.HHN. ML:1.7 0.000189 0.86 AML other m 2020-10-31T20:33:24.49
IV.ARRO.EHN. ML:1.5 0.0001275 0.58 AML other m 2020-10-31T20:33:24.90
IV.MOMA.HHE. ML:1.8 0.00022649999999999998 0.18 AML other m 2020-10-31T20:33:24.66
IV.ARRO.EHE. ML:1.6 0.00013900000000000002 1.14 AML other m 2020-10-31T20:33:24.99
IV.SMA1.EHN. ML:1.8 0.0002665 0.36 AML other m 2020-10-31T20:33:25.21
IV.GUMA.HHN. ML:2.0 0.00041549999999999996 0.44 AML other m 2020-10-31T20:33:25.48
IV.RM33.EHN. ML:1.9 0.00026700000000000004 0.24 AML other m 2020-10-31T20:33:26.23
IV.SNTG.HHN. ML:1.7 0.00015400000000000003 0.14 AML other m 2020-10-31T20:33:26.54
IV.SAP2.EHN. ML:2.6 0.001365 0.14 AML other m 2020-10-31T20:33:26.80
IV.SAP2.EHE. ML:1.9 0.0002645 1.48 AML other m 2020-10-31T20:33:26.82
IV.SNTG.HHE. ML:1.6 0.000132 0.64 AML other m 2020-10-31T20:33:26.60
IV.SMA1.EHE. ML:1.8 0.0002635 1.52 AML other m 2020-10-31T20:33:27.11
IV.ATCC.EHE. ML:2.0 0.00025550000000000003 0.1 AML other m 2020-10-31T20:33:27.17
IV.GUMA.HHE. ML:2.1 0.0005269999999999999 0.34 AML other m 2020-10-31T20:33:27.27
IV.ATCC.EHN. ML:2.0 0.000262 0.28 AML other m 2020-10-31T20:33:27.42
IV.CESX.HHE. ML:1.6 0.000131 0.88 AML other m 2020-10-31T20:33:27.44
IV.CESX.HHN. ML:1.8 0.000194 1.58 AML other m 2020-10-31T20:33:27.90
IV.RM33.EHE. ML:1.8 0.00017999999999999998 0.24 AML other m 2020-10-31T20:33:28.33
IV.FOSV.EHE. ML:1.4 0.000054600000000000006 0.72 AML other m 2020-10-31T20:33:29.59
IV.TERO.HHN. ML:1.6 0.0000887 1.48 AML other m 2020-10-31T20:33:30.02
IV.FOSV.EHN. ML:1.5 0.00007175000000000001 0.44 AML other m 2020-10-31T20:33:30.56
IV.EL6.EHE. ML:2.0 0.00024249999999999999 0.18 AML other m 2020-10-31T20:33:30.70
IV.EL6.EHN. ML:1.9 0.0001835 1.26 AML other m 2020-10-31T20:33:30.26
IV.TERO.HHE. ML:1.4 0.00005665 1.24 AML other m 2020-10-31T20:33:31.96
IV.MURB.HHE. ML:2.1 0.00024249999999999999 1.24 AML other m 2020-10-31T20:33:32.18
IV.ATFO.HHE. ML:1.6 0.00007240000000000001 0.28 AML other m 2020-10-31T20:33:33.26
IV.ATFO.HHN. ML:1.7 0.00008305 1.52 AML other m 2020-10-31T20:33:34.82
IV.MURB.HHN. ML:2.1 0.00028349999999999995 0.26 AML other m 2020-10-31T20:33:34.35
IV.SSFR.HHN. ML:1.8 0.0001105 0.3 AML other m 2020-10-31T20:33:34.60
IV.ARVD.HHN. ML:1.4 0.0000454 1.06 AML other m 2020-10-31T20:33:35.09
IV.ARVD.HHE. ML:1.6 0.00006565 0.6 AML other m 2020-10-31T20:33:35.24
IV.SSFR.HHE. ML:1.9 0.00013700000000000002 0.84 AML other m 2020-10-31T20:33:35.61
IV.FRON.EHE. ML:1.5 0.000043700000000000005 1.52 AML other m 2020-10-31T20:33:36.94
IV.FRON.EHN. ML:1.5 0.000045650000000000005 1.84 AML other m 2020-10-31T20:33:37.05
IV.ATVO.HHN. ML:1.3 0.000027950000000000002 1.48 AML other m 2020-10-31T20:33:37.86
IV.ATVO.HHE. ML:1.3 0.00002955 0.4 AML other m 2020-10-31T20:33:38.69
IV.MGAB.HHN. ML:1.4 0.000044200000000000004 0.38 AML other m 2020-10-31T20:33:38.71
IV.MGAB.HHE. ML:1.4 0.000039599999999999994 0.42 AML other m 2020-10-31T20:33:38.94
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