Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-11-2021 and time 10:34:35 (UTC) in region 4 km SW Campello sul Clitunno (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km SW Campello sul Clitunno (PG), on

  • 12-11-2021 10:34:35 (UTC)
  • 12-11-2021 11:34:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 12.7400 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
Spoleto PG 6 38218 40660
Castel Ritaldi PG 7 3278 43938
Trevi PG 10 8469 52407
Sant'Anatolia di Narco PG 10 564 52971
Vallo di Nera PG 10 364 53335
Scheggino PG 12 461 53796
Montefalco PG 13 5679 59475
Giano dell'Umbria PG 14 3846 63321
Cerreto di Spoleto PG 15 1075 64396
Massa Martana PG 18 3770 68166
Poggiodomo PG 18 117 68283
Foligno PG 19 57155 125438
Sellano PG 19 1079 126517
Bevagna PG 19 5081 131598
Acquasparta TR 19 4778 136376
Ferentillo TR 19 1913 138289
Gualdo Cattaneo PG 20 6155 144444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
27 Km N of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
92 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 1.4 2021-11-12
10:34:35		 42.792 12.7397 8 2022-03-30
13:04:19		 Bollettino Sismico Italiano INGV 97873931
Reviewed
Rev100 		ML 1.6 2021-11-12
10:34:35		 42.7848 12.7287 10 2021-11-12
10:42:14		 Sala Sismica INGV-Roma 97413841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 10:34:35 ± 0.05
Latitude 42.7920 ± 0.0027
Longitude 12.7397 ± 0.0037
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 97873931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 97873931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-08 11:27:57

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 97413841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 10:42:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRA.EHE. 2021-11-12T10:34:54.02 0.3 undecidable manual S 94 53.6019 50 0.88 54
IV.MGAB.HHZ. 2021-11-12T10:34:53.29 0.6 undecidable manual S 285 52.8027 50 0.38 43
IV.CSP1.EHZ. 2021-11-12T10:34:52.34 0.6 undecidable manual S 48 50.3163 50 0.08 46
IV.ATCC.EHZ. 2021-11-12T10:34:51.12 0.6 undecidable manual S 350 44.3223 50 0.46 43
IV.MMO1.EHZ. 2021-11-12T10:34:51.80 0.6 undecidable manual S 76 49.2174 50 -0.16 46
IV.FDMO.HHZ. 2021-11-12T10:34:49.04 0.6 undecidable manual S 46 39.1275 50 -0.24 46
IV.MML1.EHZ. 2021-11-12T10:34:49.73 0.6 undecidable manual S 28 40.3263 50 0.14 47
IV.MC2.EHZ. 2021-11-12T10:34:49.36 0.6 undecidable manual S 70 38.8278 50 0.16 46
IV.FEMA.HNE. 2021-11-12T10:34:47.00 0.3 undecidable manual S 53 31.4463 105 -0.02 73
IV.MF5.EHZ. 2021-11-12T10:34:47.87 0.3 undecidable manual P 69 62.3931 50 0.73 57
IV.LNSS.HHZ. 2021-11-12T10:34:46.82 0.6 undecidable manual S 130 32.2455 104 -0.46 44
IT.MTCL.HGZ. 2021-11-12T10:34:46.51 0.3 undecidable manual S 43 30.747 105 -0.27 69
IV.MGAB.HHZ. 2021-11-12T10:34:45.41 0.1 undecidable manual P 285 52.8027 50 -0.24 89
IV.ASSB.HHZ. 2021-11-12T10:34:45.97 0.6 undecidable manual S 347 28.5492 106 -0.07 48
IV.CSP1.EHZ. 2021-11-12T10:34:45.17 0.1 undecidable manual P 48 50.3163 50 -0.1 92
IV.MTRA.EHE. 2021-11-12T10:34:45.53 0.3 undecidable manual P 94 53.6019 50 -0.25 67
IV.CESI.HHZ. 2021-11-12T10:34:45.59 0.6 undecidable manual S 30 27.1506 107 0.02 49
IV.SMA1.EHN. 2021-11-12T10:34:45.40 0.3 undecidable manual P 110 51.7038 50 -0.09 69
IV.CESX.HHZ. 2021-11-12T10:34:44.30 0.6 undecidable manual S 212 23.8539 109 -0.19 47
IV.ATCC.EHZ. 2021-11-12T10:34:44.29 0.3 undecidable manual P 350 44.3223 50 -0.06 70
IV.ARRO.EHZ. 2021-11-12T10:34:44.52 0.6 undecidable manual S 175 23.754 109 0.09 48
IV.MMO1.EHZ. 2021-11-12T10:34:44.80 0.1 undecidable manual P 76 49.2174 50 -0.3 89
IV.FDMO.HHZ. 2021-11-12T10:34:43.44 0.1 undecidable manual P 46 39.1275 50 -0.11 94
IT.FOPC.HGZ. 2021-11-12T10:34:43.65 0.3 undecidable manual S 351 19.9689 112 0.44 68
IV.MML1.EHZ. 2021-11-12T10:34:43.42 0.1 undecidable manual P 28 40.3263 50 -0.31 90
IV.MC2.EHZ. 2021-11-12T10:34:43.35 0.1 negative manual P 70 38.8278 50 -0.16 93
IV.GAVE.EHZ. 2021-11-12T10:34:42.63 0.1 undecidable manual S 131 16.7721 116 0.42 91
IV.FEMA.HNE. 2021-11-12T10:34:42.49 0.3 undecidable manual P 53 31.4463 105 0.24 69
IV.LNSS.HHZ. 2021-11-12T10:34:42.01 0.1 negative manual P 130 32.2455 104 -0.39 90
IV.ASSB.HHZ. 2021-11-12T10:34:41.73 0.1 undecidable manual P 347 28.5492 106 0.05 97
IT.MTCL.HGZ. 2021-11-12T10:34:41.98 0.3 undecidable manual P 43 30.747 105 -0.13 71
IV.ARRO.EHZ. 2021-11-12T10:34:41.08 0.3 undecidable manual P 175 23.754 109 0.32 69
IV.CESI.HHZ. 2021-11-12T10:34:41.39 0.1 undecidable manual P 30 27.1506 107 -0.02 98
IT.GNU.HGZ. 2021-11-12T10:34:41.30 0.1 undecidable manual S 275 13.875 121 -0.02 100
IV.MOMA.HHZ. 2021-11-12T10:34:41.31 0.1 undecidable manual S 275 13.875 121 -0.01 100
IV.CESX.HHZ. 2021-11-12T10:34:40.65 0.1 undecidable manual P 212 23.8539 109 -0.14 96
IV.MOMA.HHZ. 2021-11-12T10:34:39.04 0.1 negative manual P 275 13.875 121 0.08 99
IT.GNU.HGZ. 2021-11-12T10:34:39.03 0.1 undecidable manual P 275 13.875 121 0.08 99
IV.GAVE.EHZ. 2021-11-12T10:34:39.60 0.1 undecidable manual P 131 16.7721 116 0.13 97
IT.FOPC.HGZ. 2021-11-12T10:34:39.83 0.3 undecidable manual P 351 19.9689 112 -0.22 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.6 0.0004160224 0.3584 AML other m 2021-11-12T10:34:41.58
IV.MOMA.HNE. ML:1.9 0.0008739623 0.2368 AML other m 2021-11-12T10:34:41.76
IV.MOMA.HHE. ML:1.8 0.0007252207500000001 0.1216 AML other m 2021-11-12T10:34:41.64
IV.MOMA.HNN. ML:1.6 0.0003859635 0.3328 AML other m 2021-11-12T10:34:41.74
IV.GAVE.HNE. ML:1.8 0.0006622220000000001 0.128 AML other m 2021-11-12T10:34:42.84
IV.GAVE.EHE. ML:1.8 0.0006677496 0.096 AML other m 2021-11-12T10:34:42.84
IV.GAVE.EHN. ML:1.5 0.00032207165 0.8192 AML other m 2021-11-12T10:34:43.10
IV.ARRO.EHE. ML:1.3 0.00012424203 0.256 AML other m 2021-11-12T10:34:44.79
IV.ARRO.EHN. ML:1.0 0.000070051275 0.416 AML other m 2021-11-12T10:34:44.80
IV.CESX.HHN. ML:1.5 0.00019150715 0.2176 AML other m 2021-11-12T10:34:44.81
IV.CESX.HHE. ML:1.3 0.00012896354999999998 0.1984 AML other m 2021-11-12T10:34:44.83
IV.CESI.HHE. ML:1.2 0.00007838936499999999 0.1408 AML other m 2021-11-12T10:34:45.96
IV.CESI.HHN. ML:1.4 0.00012651738 0.096 AML other m 2021-11-12T10:34:46.08
IV.ASSB.HHE. ML:1.4 0.00013332115 0.3776 AML other m 2021-11-12T10:34:46.23
IV.ASSB.HHN. ML:1.2 0.000074840135 0.8384 AML other m 2021-11-12T10:34:46.24
IV.LNSS.HHN. ML:1.4 0.000103957825 0.1984 AML other m 2021-11-12T10:34:47.05
IV.LNSS.HHE. ML:1.4 0.000121097 0.4416 AML other m 2021-11-12T10:34:47.13
IV.FDMO.HHE. ML:1.2 0.000057757179999999995 0.3584 AML other m 2021-11-12T10:34:49.38
IV.FDMO.HHN. ML:1.2 0.00005348317 0.1984 AML other m 2021-11-12T10:34:49.77
IV.MML1.EHN. ML:1.0 0.00003293672 0.16 AML other m 2021-11-12T10:34:49.91
IV.MML1.EHE. ML:1.1 0.000043902585 0.2432 AML other m 2021-11-12T10:34:50.03
IV.ATCC.EHE. ML:1.4 0.00007432623 0.3776 AML other m 2021-11-12T10:34:51.48
IV.ATCC.EHN. ML:1.5 0.0000894 0.16 AML other m 2021-11-12T10:34:51.91
IV.MMO1.EHN. ML:1.5 0.000078289125 0.2176 AML other m 2021-11-12T10:34:52.10
IV.MMO1.EHE. ML:1.4 0.00006544073000000001 0.2624 AML other m 2021-11-12T10:34:52.20
IV.CSP1.EHE. ML:1.6 0.000094884725 0.1216 AML other m 2021-11-12T10:34:52.73
IV.CSP1.EHN. ML:1.9 0.00020048275 0.4992 AML other m 2021-11-12T10:34:53.03
IV.MGAB.HHN. ML:1.3 0.00004846679500000001 0.4608 AML other m 2021-11-12T10:34:53.69
IV.MGAB.HHE. ML:1.3 0.00004764244999999999 0.6976 AML other m 2021-11-12T10:34:54.24
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