Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 07-11-2021 and time 21:57:09 (UTC) in region 5 km SW Campello sul Clitunno (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km SW Campello sul Clitunno (PG), on

  • 07-11-2021 21:57:09 (UTC)
  • 07-11-2021 22:57:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 12.7330 at 8 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
Campello sul Clitunno PG 5 2442 2442
Castel Ritaldi PG 6 3278 5720
Spoleto PG 7 38218 43938
Trevi PG 9 8469 52407
Sant'Anatolia di Narco PG 11 564 52971
Vallo di Nera PG 11 364 53335
Scheggino PG 12 461 53796
Montefalco PG 13 5679 59475
Giano dell'Umbria PG 13 3846 63321
Cerreto di Spoleto PG 15 1075 64396
Massa Martana PG 17 3770 68166
Foligno PG 18 57155 125321
Bevagna PG 19 5081 130402
Poggiodomo PG 19 117 130519
Sellano PG 19 1079 131598
Acquasparta TR 19 4778 136376
Gualdo Cattaneo PG 19 6155 142531
Ferentillo TR 20 1913 144444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Foligno (57155 inhabitants)
27 Km N of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
81 Km W of Teramo (54892 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 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 1.7 2021-11-07
21:57:09		 42.7953 12.7333 8 2022-03-30
13:04:20		 Bollettino Sismico Italiano INGV 98207951
Reviewed
Rev100 		ML 1.7 2021-11-07
21:57:09		 42.7923 12.7237 7 2021-11-07
22:01:50		 Sala Sismica INGV-Roma 97325771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-07 21:57:09 ± 0.04
Latitude 42.7953 ± 0.0018
Longitude 12.7333 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98207951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 200
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.71856
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 98207951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-06 11:39:58

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 97325771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-07 22:01:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-11-07T21:57:32.46 0.6 undecidable manual S 105 73.4709 50 0.49 41
IV.FIAM.HHZ. 2021-11-07T21:57:30.55 0.6 undecidable manual S 152 66.378 50 0.48 42
IV.EL6.EHZ. 2021-11-07T21:57:29.80 0.6 undecidable manual S 27 66.2781 50 -0.26 44
IV.SRES.HHZ. 2021-11-07T21:57:29.89 0.6 undecidable manual S 197 64.5909 50 0.3 43
IV.ATVA.EHE. 2021-11-07T21:57:29.58 0.6 undecidable manual S 326 64.7907 50 -0.06 46
IV.GUMA.HHZ. 2021-11-07T21:57:27.15 0.6 undecidable manual S 59 57.1983 50 -0.46 42
IV.MURB.HHZ. 2021-11-07T21:57:27.30 0.6 undecidable manual S 342 54.6009 50 0.38 43
IV.MGAB.HHZ. 2021-11-07T21:57:26.42 0.6 undecidable manual S 285 52.2033 50 0.15 46
IV.SNTG.HHE. 2021-11-07T21:57:26.11 0.6 undecidable manual S 18 53.7018 50 -0.57 41
IV.SMA1.EHZ. 2021-11-07T21:57:26.57 0.6 undecidable manual S 110 52.3032 50 0.25 45
IV.PF6.EHN. 2021-11-07T21:57:26.69 0.6 undecidable manual S 44 53.3022 50 0.1 46
IV.CSP1.EHZ. 2021-11-07T21:57:26.09 0.3 undecidable manual S 49 50.5161 50 0.27 67
IV.T1299.HNN. 2021-11-07T21:57:25.47 0.6 undecidable manual S 112 48.2184 50 0.26 45
IV.RM33.EHZ. 2021-11-07T21:57:25.83 0.6 undecidable manual S 129 50.5161 50 0 47
IV.MMO1.EHZ. 2021-11-07T21:57:25.77 0.6 undecidable manual S 76 49.617 50 0.18 46
IV.ATCC.EHZ. 2021-11-07T21:57:24.34 0.6 undecidable manual S 350 43.9227 50 0.28 45
IV.ARVD.HHZ. 2021-11-07T21:57:23.92 0.6 undecidable manual P 12 79.7646 50 0.59 39
IV.MML1.EHZ. 2021-11-07T21:57:23.23 0.6 undecidable manual S 29 40.2264 50 0.13 47
IV.FDMO.HHZ. 2021-11-07T21:57:22.78 0.6 undecidable manual S 47 39.2274 50 -0.05 48
IV.MC2.EHZ. 2021-11-07T21:57:22.99 0.6 undecidable manual S 71 39.2274 50 0.17 47
IV.TERO.HHZ. 2021-11-07T21:57:22.13 0.6 undecidable manual P 105 73.4709 50 -0.23 43
IV.MF5.EHZ. 2021-11-07T21:57:21.13 0.6 undecidable manual P 70 62.7927 50 0.42 42
IV.FIAM.HHZ. 2021-11-07T21:57:21.03 0.6 undecidable manual P 152 66.378 50 -0.24 44
IV.EL6.EHZ. 2021-11-07T21:57:21.41 0.1 undecidable manual P 27 66.2781 50 0.14 89
IV.SACS.HHZ. 2021-11-07T21:57:21.32 0.6 undecidable manual P 275 67.2771 50 -0.09 45
IV.FEMA.HNE. 2021-11-07T21:57:20.27 0.6 undecidable manual S 54 31.6461 104 -0.33 46
IT.MTCL.HGZ. 2021-11-07T21:57:20.26 0.6 undecidable manual S 44 30.8469 105 -0.07 48
IV.LNSS.HHZ. 2021-11-07T21:57:20.71 0.3 undecidable manual S 130 32.9448 104 -0.3 69
IV.SRES.HHZ. 2021-11-07T21:57:20.87 0.3 undecidable manual P 197 64.5909 50 -0.12 67
IV.NRCA.HHZ. 2021-11-07T21:57:20.51 0.3 undecidable manual S 82 31.2465 105 0.04 73
IV.GUMA.HHZ. 2021-11-07T21:57:20.26 0.3 undecidable manual P 59 57.1983 50 0.41 64
IV.ATVA.EHE. 2021-11-07T21:57:20.99 0.6 undecidable manual P 326 64.7907 50 -0.03 46
IV.PF6.EHN. 2021-11-07T21:57:19.00 0.1 undecidable manual P 44 53.3022 50 -0.26 89
IV.ASSB.HHZ. 2021-11-07T21:57:19.71 0.3 undecidable manual S 348 28.0497 106 0.31 69
IV.CESI.HHZ. 2021-11-07T21:57:19.43 0.3 undecidable manual S 31 27.0507 107 0.36 69
IV.SNTG.HHE. 2021-11-07T21:57:19.08 0.6 undecidable manual P 18 53.7018 50 -0.24 45
IV.MURB.HHZ. 2021-11-07T21:57:19.53 0.1 undecidable manual P 342 54.6009 50 0.08 92
IV.SMA1.EHZ. 2021-11-07T21:57:19.09 0.3 undecidable manual P 110 52.3032 50 -0.01 70
IV.CSP1.EHZ. 2021-11-07T21:57:18.75 0.1 positive manual P 49 50.5161 50 -0.07 93
IV.T1299.HNN. 2021-11-07T21:57:18.30 0.1 undecidable manual P 112 48.2184 50 -0.17 92
IV.MGAB.HHZ. 2021-11-07T21:57:18.75 0.3 undecidable manual P 285 52.2033 50 -0.33 66
IV.RM33.EHZ. 2021-11-07T21:57:18.50 0.1 undecidable manual P 129 50.5161 50 -0.32 88
IV.CESX.HHZ. 2021-11-07T21:57:18.17 0.3 undecidable manual S 210 23.9538 109 0.15 72
IV.ARRO.EHZ. 2021-11-07T21:57:18.46 0.6 undecidable manual S 174 24.1536 109 0.37 46
IV.MMO1.EHZ. 2021-11-07T21:57:18.50 0.1 undecidable manual P 76 49.617 50 -0.19 91
IV.MC2.EHZ. 2021-11-07T21:57:17.25 0.6 undecidable manual P 71 39.2274 50 0.17 47
IV.ATCC.EHZ. 2021-11-07T21:57:17.65 0.1 undecidable manual P 350 43.9227 50 -0.16 93
IV.GAVE.EHZ. 2021-11-07T21:57:16.13 0.3 undecidable manual S 131 17.3715 115 0.21 72
IV.FDMO.HHZ. 2021-11-07T21:57:16.88 0.1 positive manual P 47 39.2274 50 -0.21 92
IV.MML1.EHZ. 2021-11-07T21:57:16.96 0.3 undecidable manual P 29 40.2264 50 -0.28 68
IT.MTCL.HGZ. 2021-11-07T21:57:15.62 0.3 undecidable manual P 44 30.8469 105 -0.03 73
IV.ASSB.HHZ. 2021-11-07T21:57:15.04 0.1 undecidable manual P 348 28.0497 106 -0.07 97
IV.LNSS.HHZ. 2021-11-07T21:57:15.78 0.1 positive manual P 130 32.9448 104 -0.26 93
IV.FEMA.HNE. 2021-11-07T21:57:15.89 0.6 undecidable manual P 54 31.6461 104 0.09 48
IV.NRCA.HHZ. 2021-11-07T21:57:15.57 0.1 positive manual P 82 31.2465 105 -0.16 95
IV.ARRO.EHZ. 2021-11-07T21:57:14.50 0.3 undecidable manual P 174 24.1536 109 0.15 72
IV.MOMA.HHZ. 2021-11-07T21:57:14.70 0.3 undecidable manual S 274 13.3755 122 0.03 75
IT.GNU.HGE. 2021-11-07T21:57:14.68 0.3 undecidable manual S 274 13.2756 122 0.01 76
IV.CESI.HHZ. 2021-11-07T21:57:14.96 0.1 positive manual P 31 27.0507 107 0.04 98
IV.CESX.HHZ. 2021-11-07T21:57:13.96 0.1 undecidable manual P 210 23.9538 109 -0.35 92
IV.GAVE.EHZ. 2021-11-07T21:57:13.32 0.1 positive manual P 131 17.3715 115 0.22 96
IT.GNU.HGE. 2021-11-07T21:57:12.42 0.3 undecidable manual P 274 13.2756 122 0.04 75
IV.MOMA.HHZ. 2021-11-07T21:57:12.43 0.1 positive manual P 274 13.3755 122 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNE. ML:2.2 0.001975 0.2 AML other m 2021-11-07T21:57:15.16
IV.MOMA.HHE. ML:2.3 0.002085 0.2 AML other m 2021-11-07T21:57:15.16
IV.MOMA.HHN. ML:1.9 0.0008685179000000001 0.1664 AML other m 2021-11-07T21:57:15.88
IV.MOMA.HNN. ML:1.8 0.0007702480000000001 0.1664 AML other m 2021-11-07T21:57:15.88
IV.GAVE.EHN. ML:1.8 0.000571 0.28 AML other m 2021-11-07T21:57:17.75
IV.CESX.HHE. ML:1.7 0.0003135 0.22 AML other m 2021-11-07T21:57:18.56
IV.CESX.HHN. ML:1.8 0.00035549999999999997 0.22 AML other m 2021-11-07T21:57:18.56
IV.ARRO.EHE. ML:1.5 0.0001915 0.22 AML other m 2021-11-07T21:57:18.79
IV.GAVE.EHE. ML:1.9 0.0007238749 0.1792 AML other m 2021-11-07T21:57:16.85
IV.ASSB.HHE. ML:1.6 0.0002361755 0.2432 AML other m 2021-11-07T21:57:19.99
IV.ASSB.HHN. ML:1.4 0.00015107439999999998 0.256 AML other m 2021-11-07T21:57:19.99
IV.ARRO.EHN. ML:1.5 0.000189 0.24 AML other m 2021-11-07T21:57:20.71
IV.NRCA.HHN. ML:1.8 0.0003345 0.14 AML other m 2021-11-07T21:57:21.09
IV.NRCA.HHE. ML:1.8 0.0003179999999999999 0.14 AML other m 2021-11-07T21:57:21.37
IV.CESI.HHN. ML:1.6 0.0002305 0.22 AML other m 2021-11-07T21:57:21.70
IV.LNSS.HHE. ML:2.0 0.00041098915 0.1792 AML other m 2021-11-07T21:57:22.14
IV.LNSS.HHN. ML:1.8 0.0002855 0.2 AML other m 2021-11-07T21:57:22.15
IV.CESI.HHE. ML:1.4 0.0001365 0.72 AML other m 2021-11-07T21:57:22.39
IV.FDMO.HHN. ML:1.2 0.00005966576999999999 0.256 AML other m 2021-11-07T21:57:25.63
IV.FDMO.HHE. ML:1.4 0.000087405925 0.32 AML other m 2021-11-07T21:57:23.10
IV.MML1.EHN. ML:1.3 0.00007155 0.2 AML other m 2021-11-07T21:57:25.44
IV.ATCC.EHE. ML:1.4 0.00008671975500000001 0.2688 AML other m 2021-11-07T21:57:24.83
IV.ATCC.EHN. ML:1.6 0.00011149999999999999 0.26 AML other m 2021-11-07T21:57:25.88
IV.CSP1.EHE. ML:1.9 0.0002215 0.36 AML other m 2021-11-07T21:57:26.57
IV.MML1.EHE. ML:1.4 0.00009075 0.26 AML other m 2021-11-07T21:57:26.93
IV.RM33.EHE. ML:1.8 0.000177 0.14 AML other m 2021-11-07T21:57:27.63
IV.CSP1.EHN. ML:1.8 0.0001843397 0.2432 AML other m 2021-11-07T21:57:28.18
IV.RM33.EHN. ML:1.5 0.00008022992500000001 0.1152 AML other m 2021-11-07T21:57:26.66
IV.MGAB.HHN. ML:1.5 0.000085489465 0.1792 AML other m 2021-11-07T21:57:28.47
IV.GUMA.HHE. ML:1.8 0.000155 0.28 AML other m 2021-11-07T21:57:28.94
IV.SMA1.EHE. ML:1.9 0.0001825 0.26 AML other m 2021-11-07T21:57:28.90
IV.SMA1.EHN. ML:1.7 0.0001135612 0.2432 AML other m 2021-11-07T21:57:28.67
IV.MURB.HHE. ML:1.9 0.0001859648 0.2176 AML other m 2021-11-07T21:57:29.57
IV.EL6.EHE. ML:1.7 0.00009575 0.2 AML other m 2021-11-07T21:57:31.59
IV.EL6.EHN. ML:1.5 0.0000610363065 0.192 AML other m 2021-11-07T21:57:32.13
IV.MURB.HHN. ML:1.9 0.000182 0.32 AML other m 2021-11-07T21:57:32.63
IV.SRES.HHE. ML:1.3 0.000042458924999999996 0.2304 AML other m 2021-11-07T21:57:30.63
IV.GUMA.HHN. ML:1.8 0.0001265 0.54 AML other m 2021-11-07T21:57:33.39
IV.MF5.EHE. ML:1.4 0.000053070649999999996 0.4992 AML other m 2021-11-07T21:57:33.70
IV.MF5.EHN. ML:1.5 0.000057795882 0.4352 AML other m 2021-11-07T21:57:33.48
IV.FIAM.HHE. ML:1.1 0.00002665 0.42 AML other m 2021-11-07T21:57:33.65
IV.FIAM.HHN. ML:1.1 0.0000256 0.86 AML other m 2021-11-07T21:57:34.95
IV.GAVE.HNN. ML:1.3 0.00018850645 0.3456 AML other m 2021-11-07T21:57:20.38
IV.GAVE.HNE. ML:1.9 0.0007253233 0.2688 AML other m 2021-11-07T21:57:19.56
IV.CESI.HNN. ML:1.8 0.00035313615 0.2048 AML other m 2021-11-07T21:57:21.70
IV.CESI.HNE. ML:1.4 0.0001374442 0.2688 AML other m 2021-11-07T21:57:22.57
IV.NRCA.HNN. ML:1.8 0.00030262105 0.128 AML other m 2021-11-07T21:57:21.16
IV.NRCA.HNE. ML:1.8 0.00028506734999999997 0.2304 AML other m 2021-11-07T21:57:21.31
IV.LNSS.HNE. ML:2.0 0.0003905762 0.1792 AML other m 2021-11-07T21:57:22.14
IV.LNSS.HNN. ML:1.8 0.0002637011 0.2176 AML other m 2021-11-07T21:57:22.17
IV.MML1.HNE. ML:1.6 0.00012780406499999998 0.2944 AML other m 2021-11-07T21:57:26.94
IV.RM33.HNE. ML:1.8 0.0001802114 0.1408 AML other m 2021-11-07T21:57:27.63
IV.MGAB.HNE. ML:1.8 0.00014830785000000002 0.704 AML other m 2021-11-07T21:57:30.50
IV.MURB.HNE. ML:1.9 0.00019911055 0.2304 AML other m 2021-11-07T21:57:29.58
IV.MURB.HNN. ML:1.9 0.0001744251 0.3328 AML other m 2021-11-07T21:57:32.63
IV.GUMA.HNE. ML:1.8 0.0001571361 0.4096 AML other m 2021-11-07T21:57:33.56
IV.TERO.HHN. ML:1.4 0.000037890165 0.2048 AML other m 2021-11-07T21:57:33.09
IV.TERO.HNE. ML:1.8 0.00008961245499999999 0.7936 AML other m 2021-11-07T21:57:35.69
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