Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 17-11-2021 and time 19:30:20 (UTC) in region 3 km SW Campello sul Clitunno (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Campello sul Clitunno (PG), on

  • 17-11-2021 19:30:20 (UTC)
  • 17-11-2021 20:30:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 12.7510 at 7 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 3 2442 2442
Castel Ritaldi PG 7 3278 5720
Spoleto PG 7 38218 43938
Trevi PG 9 8469 52407
Vallo di Nera PG 10 364 52771
Sant'Anatolia di Narco PG 10 564 53335
Scheggino PG 12 461 53796
Montefalco PG 13 5679 59475
Cerreto di Spoleto PG 14 1075 60550
Giano dell'Umbria PG 15 3846 64396
Sellano PG 18 1079 65475
Foligno PG 18 57155 122630
Poggiodomo PG 18 117 122747
Massa Martana PG 19 3770 126517
Bevagna PG 19 5081 131598
Gualdo Cattaneo PG 20 6155 137753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
89 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 1.5 2021-11-17
19:30:20		 42.8007 12.7507 7 2022-03-30
13:04:19		 Bollettino Sismico Italiano INGV 97973921
Reviewed
Rev100 		ML 1.5 2021-11-17
19:30:20		 42.8012 12.7352 9 2021-11-17
19:43:04		 Sala Sismica INGV-Roma 97527921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-17 19:30:20 ± 0.04
Latitude 42.8007 ± 0.0018
Longitude 12.7507 ± 0.0025
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97973921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 199
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
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) 59
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 59
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 97973921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-30 14:04:49

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 97527921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-17 19:43:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILZ.HHZ. 2021-11-17T19:31:41.83 3.0 undecidable manual Pg 9.73 0
IV.SARZ.HHZ. 2021-11-17T19:31:34.59 3.0 undecidable manual Sn 1.33 0
IV.MTMR.EHZ. 2021-11-17T19:31:31.06 3.0 undecidable manual Sn -4.76 0
IV.IFIL.HHZ. 2021-11-17T19:31:24.66 3.0 negative manual Pn -1.29 0
MN.TRI.HHZ. 2021-11-17T19:31:23.87 3.0 undecidable manual Sg 2.27 0
IT.ORP.HGZ. 2021-11-17T19:31:22.58 3.0 undecidable manual Sn -9.59 0
GU.GSCL.HHZ. 2021-11-17T19:31:11.28 3.0 undecidable manual Sg 9.56 0
MN.TRI.HHZ. 2021-11-17T19:30:53.56 3.0 positive manual Pg 2.7 0
IV.MRB1.HHZ. 2021-11-17T19:30:53.24 3.0 undecidable manual Pn -3.16 0
IV.NARO.HHZ. 2021-11-17T19:30:48.64 0.3 undecidable manual S 351 90.9423 50 0.26 63
IV.PIEI.HHZ. 2021-11-17T19:30:46.70 0.6 undecidable manual S 348 83.3499 50 0.33 42
IV.ATBU.HNZ. 2021-11-17T19:30:44.76 0.3 undecidable manual S 348 76.6677 50 0.18 66
IV.ATPI.EHZ. 2021-11-17T19:30:44.94 0.3 undecidable manual S 339 77.4669 50 0.16 66
IV.ATSC.EHZ. 2021-11-17T19:30:42.90 0.3 undecidable manual S 356 69.375 50 0.28 65
IV.MF5.EHZ. 2021-11-17T19:30:40.79 0.3 undecidable manual S 70 61.2942 50 0.33 65
IV.SMA1.EHZ. 2021-11-17T19:30:38.13 0.3 undecidable manual S 111 51.2154 50 0.34 66
IV.RM33.EHZ. 2021-11-17T19:30:37.47 0.6 undecidable manual S 130 49.8168 50 0.07 47
IV.PF6.EHN. 2021-11-17T19:30:37.71 0.6 undecidable manual S 44 51.9036 50 -0.26 45
IV.CSP1.EHZ. 2021-11-17T19:30:37.04 1.0 undecidable manual S 49 49.0176 50 -0.16 23
IV.NARO.HHZ. 2021-11-17T19:30:36.62 0.1 undecidable manual P 351 90.9423 50 -0.08 87
IV.MMO1.EHZ. 2021-11-17T19:30:36.69 0.3 undecidable manual S 77 48.1185 50 -0.27 68
IV.PIEI.HHZ. 2021-11-17T19:30:35.55 0.1 undecidable manual P 348 83.3499 50 0.01 89
IV.FRON.EHZ. 2021-11-17T19:30:35.19 1.0 undecidable manual P 359 79.5648 50 0.24 21
IV.ATCC.EHZ. 2021-11-17T19:30:35.54 1.0 undecidable manual S 348 43.623 50 -0.21 23
IV.ATPI.EHZ. 2021-11-17T19:30:34.73 0.3 undecidable manual P 339 77.4669 50 0.11 66
IV.MC2.EHZ. 2021-11-17T19:30:34.20 0.6 undecidable manual S 71 37.7289 100 0.18 47
IV.MML1.EHZ. 2021-11-17T19:30:34.27 1.0 undecidable manual S 27 39.0276 100 -0.22 23
IV.ATMI.HHZ. 2021-11-17T19:30:34.02 0.6 undecidable manual P 327 70.9734 50 0.41 42
IV.ATBU.HNZ. 2021-11-17T19:30:34.29 0.1 undecidable manual P 348 76.6677 50 -0.21 87
IV.ATPC.HNZ. 2021-11-17T19:30:34.63 0.1 undecidable manual P 343 79.0653 50 -0.24 86
IV.ATVO.HHZ. 2021-11-17T19:30:33.61 0.1 undecidable manual P 337 70.2741 50 0.1 90
IV.ATSC.EHZ. 2021-11-17T19:30:33.46 0.1 undecidable manual P 356 69.375 50 0.09 90
IV.FDMO.HHZ. 2021-11-17T19:30:33.77 0.3 undecidable manual S 46 37.8288 100 -0.3 69
IV.RIBO.EHZ.01 2021-11-17T19:30:33.89 3.0 undecidable manual Pn 1.69 0
IV.LNSS.HHZ. 2021-11-17T19:30:32.05 0.3 undecidable manual S 133 32.2455 102 -0.12 72
IV.MF5.EHZ. 2021-11-17T19:30:32.04 0.1 undecidable manual P 70 61.2942 50 -0.08 92
IV.ATVA.EHZ. 2021-11-17T19:30:32.88 1.0 undecidable manual P 325 65.0904 50 0.17 22
IV.ATLO.EHZ. 2021-11-17T19:30:32.65 0.6 undecidable manual P 334 63.492 50 0.18 45
IV.NRCA.HHZ. 2021-11-17T19:30:31.52 0.3 undecidable manual S 83 29.8479 103 0.18 71
IV.FEMA.HNE. 2021-11-17T19:30:31.60 0.6 undecidable manual S 54 30.2475 103 0.13 48
IT.MTCL.HGZ. 2021-11-17T19:30:31.38 0.6 undecidable manual S 43 29.4483 103 0.15 48
IV.FOSV.HNZ. 2021-11-17T19:30:30.81 0.3 undecidable manual P 1 54.8007 50 -0.32 66
IV.CESI.HHZ. 2021-11-17T19:30:30.27 0.3 undecidable manual S 29 25.8519 105 0.25 71
IV.SMA1.EHZ. 2021-11-17T19:30:30.39 0.1 undecidable manual P 111 51.2154 50 -0.19 92
IV.PF6.EHN. 2021-11-17T19:30:30.95 0.1 undecidable manual P 44 51.9036 50 0.27 90
IV.ASSB.HHZ. 2021-11-17T19:30:30.78 0.6 undecidable manual S 344 27.8499 104 0.09 49
IV.MGAB.HHZ. 2021-11-17T19:30:30.61 0.6 undecidable manual P 284 53.4021 50 -0.3 45
IV.ATCC.EHZ. 2021-11-17T19:30:29.20 0.3 undecidable manual P 348 43.623 50 -0.2 70
IV.MMO1.EHZ. 2021-11-17T19:30:29.81 0.3 negative manual P 77 48.1185 50 -0.28 68
IV.CESX.HHZ. 2021-11-17T19:30:29.96 0.3 undecidable manual S 212 25.1526 105 0.18 72
IV.FIR.HHZ. 2021-11-17T19:30:29.27 3.0 undecidable manual Pn -0.77 0
IV.RM33.EHZ. 2021-11-17T19:30:29.95 0.1 undecidable manual P 130 49.8168 50 -0.4 88
IV.CSP1.EHZ. 2021-11-17T19:30:29.99 0.6 undecidable manual P 49 49.0176 50 -0.24 45
IV.BRSN.EHZ. 2021-11-17T19:30:28.33 3.0 positive manual Pn -1.31 0
IV.MC2.EHZ. 2021-11-17T19:30:28.67 0.6 undecidable manual P 71 37.7289 100 0.27 46
IV.MML1.EHZ. 2021-11-17T19:30:28.48 0.6 undecidable manual P 27 39.0276 100 -0.2 47
IV.FDMO.HHZ. 2021-11-17T19:30:28.06 0.1 undecidable manual P 46 37.8288 100 -0.37 90
IV.GAVE.EHZ. 2021-11-17T19:30:27.21 0.3 undecidable manual S 136 16.7721 112 0.19 73
IT.MTCL.HGZ. 2021-11-17T19:30:27.05 0.1 undecidable manual P 43 29.4483 103 0.26 94
IV.LNSS.HHZ. 2021-11-17T19:30:27.08 0.3 undecidable manual P 133 32.2455 102 -0.25 70
IV.ASSB.HHZ. 2021-11-17T19:30:26.28 0.1 undecidable manual P 344 27.8499 104 -0.2 95
IV.NRCA.HHZ. 2021-11-17T19:30:26.80 0.3 undecidable manual P 83 29.8479 103 -0.06 73
IT.GNU.HGE. 2021-11-17T19:30:26.70 0.6 undecidable manual S 271 14.6742 115 0.34 47
IV.MOMA.HHZ. 2021-11-17T19:30:26.11 0.3 undecidable manual S 271 14.6742 115 -0.25 72
IV.FEMA.HNE. 2021-11-17T19:30:26.67 0.1 undecidable manual P 54 30.2475 103 -0.26 94
IV.CESI.HHZ. 2021-11-17T19:30:26.24 0.1 undecidable manual P 29 25.8519 105 0.15 97
IV.ARRO.EHZ. 2021-11-17T19:30:26.29 0.1 undecidable manual P 177 24.5532 106 0.45 91
IV.CESX.HHZ. 2021-11-17T19:30:25.80 0.3 undecidable manual P 212 25.1526 105 -0.16 72
IV.GAVE.EHZ. 2021-11-17T19:30:24.63 0.3 undecidable manual P 136 16.7721 112 0.27 72
IT.GNU.HGE. 2021-11-17T19:30:23.91 0.1 undecidable manual P 271 14.6742 115 -0.07 100
IV.MOMA.HHZ. 2021-11-17T19:30:23.91 0.1 undecidable manual P 271 14.6742 115 -0.08 100
IV.CRTC.HHZ. 2021-11-17T19:30:19.52 3.0 undecidable manual P -2.15 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.4 0.0003025 0.36 AML other m 2021-11-17T19:30:27.27
IV.MOMA.HHE. ML:1.6 0.00045850000000000003 1.06 AML other m 2021-11-17T19:30:28.57
IV.GAVE.EHN. ML:1.6 0.00036449999999999997 0.26 AML other m 2021-11-17T19:30:28.56
IV.GAVE.EHE. ML:1.5 0.00029 1.36 AML other m 2021-11-17T19:30:29.74
IV.CESX.HHN. ML:1.5 0.00017649999999999998 0.24 AML other m 2021-11-17T19:30:31.51
IV.CESI.HHN. ML:1.4 0.00016049999999999997 0.46 AML other m 2021-11-17T19:30:31.52
IV.CESX.HHE. ML:1.3 0.00013550000000000001 0.42 AML other m 2021-11-17T19:30:32.24
IV.CESI.HHE. ML:1.3 0.0001135 0.36 AML other m 2021-11-17T19:30:32.25
IV.LNSS.HHE. ML:1.5 0.0001575 0.72 AML other m 2021-11-17T19:30:33.11
IV.NRCA.HHE. ML:1.8 0.00033199999999999994 0.16 AML other m 2021-11-17T19:30:33.21
IV.ASSB.HHN. ML:1.3 0.00012025000000000001 0.48 AML other m 2021-11-17T19:30:33.78
IV.LNSS.HHN. ML:1.5 0.00015000000000000001 0.16 AML other m 2021-11-17T19:30:33.94
IV.NRCA.HHN. ML:1.6 0.00022250000000000001 0.74 AML other m 2021-11-17T19:30:34.51
IV.ASSB.HHE. ML:1.3 0.00010769999999999999 1.04 AML other m 2021-11-17T19:30:34.17
IV.FDMO.HHE. ML:1.3 0.0000678 0.18 AML other m 2021-11-17T19:30:34.88
IV.FDMO.HHN. ML:1.1 0.00005234999999999999 0.34 AML other m 2021-11-17T19:30:35.68
IV.MMO1.EHE. ML:1.8 0.0001595 0.26 AML other m 2021-11-17T19:30:37.34
IV.MML1.EHE. ML:1.2 0.0000604 0.44 AML other m 2021-11-17T19:30:37.17
IV.MML1.EHN. ML:1.2 0.000060200000000000006 0.98 AML other m 2021-11-17T19:30:37.63
IV.CSP1.EHN. ML:1.8 0.0001855 0.54 AML other m 2021-11-17T19:30:37.94
IV.MMO1.EHN. ML:1.8 0.000166 0.26 AML other m 2021-11-17T19:30:37.78
IV.SMA1.EHE. ML:1.6 0.00009204999999999999 1.14 AML other m 2021-11-17T19:30:40.57
IV.CSP1.EHE. ML:1.8 0.00015304999999999998 0.42 AML other m 2021-11-17T19:30:40.89
IV.SMA1.EHN. ML:1.4 0.0000687 1.56 AML other m 2021-11-17T19:30:41.01
IV.MGAB.HHN. ML:1.3 0.000044200000000000004 0.46 AML other m 2021-11-17T19:30:43.38
IV.MGAB.HHE. ML:1.2 0.0000394 1.28 AML other m 2021-11-17T19:30:47.23
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