Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 23-04-2022 and time 16:35:14 (Italy) in region 3 km S Campello sul Clitunno (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km S Campello sul Clitunno (PG), on

  • 23-04-2022 14:35:14 (UTC)
  • 23-04-2022 16:35:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 12.7770 at 9 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
Spoleto PG 7 38218 40660
Vallo di Nera PG 8 364 41024
Sant'Anatolia di Narco PG 8 564 41588
Castel Ritaldi PG 9 3278 44866
Trevi PG 10 8469 53335
Scheggino PG 10 461 53796
Cerreto di Spoleto PG 12 1075 54871
Montefalco PG 15 5679 60550
Poggiodomo PG 16 117 60667
Sellano PG 16 1079 61746
Giano dell'Umbria PG 17 3846 65592
Foligno PG 19 57155 122747
Ferentillo TR 19 1913 124660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
77 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 1.9 2022-04-23
14:35:14		 42.7952 12.7767 9 2022-07-08
12:33:50		 Bollettino Sismico Italiano INGV 103791141
Reviewed
Rev100 		ML 2.0 2022-04-23
14:35:14		 42.7937 12.7678 11 2022-04-23
14:45:03		 Sala Sismica INGV-Roma 103655901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-23 14:35:14 ± 0.04
Latitude 42.7952 ± 0.0027
Longitude 12.7767 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103791141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 251
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93889
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 103791141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-30 12:52:22

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 66
Type of magnitude ML
Reference to an origin 103655901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-23 14:45:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2022-04-23T14:35:39.38 3.0 positive manual P 2.76 0
IV.TERO.HHZ. 2022-04-23T14:35:36.25 0.6 undecidable manual S 106 70.0743 50 0.31 43
IV.EL6.EHZ. 2022-04-23T14:35:35.19 0.6 undecidable manual S 24 64.8906 50 0.65 39
IV.MF5.EHZ. 2022-04-23T14:35:34.21 0.6 undecidable manual S 69 59.496 50 1.1 33
IV.MURB.HHZ. 2022-04-23T14:35:33.11 0.6 undecidable manual S 339 55.7997 50 0.99 35
IV.GUMA.HHZ. 2022-04-23T14:35:32.32 0.6 undecidable manual S 57 54.2013 50 0.61 41
IV.PARC.HHZ. 2022-04-23T14:35:32.35 0.3 undecidable manual P 336 104.2179 50 0.33 60
IV.RM33.EHZ. 2022-04-23T14:35:30.01 0.6 undecidable manual S 131 47.8188 50 0.02 48
IV.MPAG.EHZ. 2022-04-23T14:35:30.13 0.3 undecidable manual P 359 92.5407 50 -0.1 65
IV.CSP1.EHZ. 2022-04-23T14:35:30.13 0.6 undecidable manual S 46 47.9187 50 0.12 47
IV.ATCC.EHZ. 2022-04-23T14:35:29.34 0.6 undecidable manual S 346 44.622 50 0.19 46
IV.FRON.EHZ. 2022-04-23T14:35:28.10 0.3 undecidable manual P 357 80.2641 50 -0.23 64
IV.ATPI.EHZ. 2022-04-23T14:35:28.10 0.3 undecidable manual P 338 78.7656 50 -0.01 68
IV.PIEI.HHZ. 2022-04-23T14:35:28.98 0.1 undecidable manual P 347 84.4488 50 0 89
IV.ATMI.HHZ. 2022-04-23T14:35:27.43 0.3 undecidable manual P 326 72.6717 50 0.27 65
IV.GIGS.HHZ. 2022-04-23T14:35:27.39 0.6 undecidable manual P 120 75.2691 50 -0.17 44
IV.ARVD.HHZ. 2022-04-23T14:35:27.94 0.6 undecidable manual P 10 79.1652 50 -0.22 43
IV.MC2.EHZ. 2022-04-23T14:35:26.89 0.6 undecidable manual S 69 35.9418 50 0.07 48
IV.ATVO.HHZ. 2022-04-23T14:35:26.85 0.3 undecidable manual P 335 71.6727 50 -0.16 67
IV.TERO.HHZ. 2022-04-23T14:35:26.69 0.3 undecidable manual P 106 70.0743 50 -0.08 68
IV.FDMO.HHZ. 2022-04-23T14:35:26.67 0.6 undecidable manual S 43 36.8298 50 -0.38 45
IV.SSFR.HHZ. 2022-04-23T14:35:26.88 0.3 undecidable manual P 0 71.0733 50 -0.05 68
IV.SRES.HHZ. 2022-04-23T14:35:25.77 0.6 undecidable manual P 199 65.6898 50 -0.31 43
IV.MF5.EHZ. 2022-04-23T14:35:25.51 0.3 undecidable manual P 69 59.496 50 0.38 65
IV.EL6.EHZ. 2022-04-23T14:35:25.71 0.1 undecidable manual P 24 64.8906 50 -0.25 88
IV.NRCA.HHZ. 2022-04-23T14:35:24.35 0.6 undecidable manual S 81 27.8499 107 0.01 50
IV.GUMA.HHZ. 2022-04-23T14:35:24.57 0.3 undecidable manual P 57 54.2013 50 0.25 68
IV.FOSV.EHZ. 2022-04-23T14:35:24.15 0.3 undecidable manual P 359 55.4001 50 -0.36 66
IV.FEMA.HNE. 2022-04-23T14:35:24.69 0.6 undecidable manual S 50 28.9488 107 -0.01 49
IT.MTCL.HGZ. 2022-04-23T14:35:24.37 0.6 undecidable manual S 39 28.5492 107 -0.21 48
IV.MGAB.HHZ. 2022-04-23T14:35:24.65 0.3 undecidable manual P 284 55.5999 50 0.12 69
IV.LNSS.HHZ. 2022-04-23T14:35:24.96 0.6 undecidable manual S 135 30.2475 106 -0.2 47
IV.ASSB.HHZ. 2022-04-23T14:35:24.56 0.6 undecidable manual S 341 29.0487 107 -0.2 48
IV.MURB.HHZ. 2022-04-23T14:35:24.43 0.1 undecidable manual P 339 55.7997 50 -0.13 92
IV.CESX.HHZ. 2022-04-23T14:35:23.55 0.6 undecidable manual S 217 25.8519 108 -0.14 48
IV.ARRO.EHZ. 2022-04-23T14:35:23.17 0.6 undecidable manual S 182 23.9538 110 0.09 49
IV.CESI.HNZ. 2022-04-23T14:35:23.61 0.6 undecidable manual S 24 25.4523 109 0.04 50
IV.SNTG.HHZ. 2022-04-23T14:35:23.58 0.3 undecidable manual P 15 52.7028 50 -0.51 64
IV.CSP1.EHZ. 2022-04-23T14:35:23.18 0.1 positive manual P 46 47.9187 50 -0.17 93
IV.SMA1.EHZ. 2022-04-23T14:35:23.59 0.3 undecidable manual P 112 49.1175 50 0.06 71
IT.FOPC.HGZ. 2022-04-23T14:35:22.10 0.6 undecidable manual S 343 20.2686 113 0.22 48
IV.RM33.EHZ. 2022-04-23T14:35:22.96 0.1 undecidable manual P 131 47.8188 50 -0.37 89
IV.ATCC.EHZ. 2022-04-23T14:35:22.65 0.1 positive manual P 346 44.622 50 -0.2 93
IV.MOMA.HHZ. 2022-04-23T14:35:21.04 0.6 undecidable manual S 273 16.872 117 0.24 48
IV.FDMO.HHZ. 2022-04-23T14:35:21.39 0.1 positive manual P 43 36.8298 50 -0.25 93
IV.MC2.EHZ. 2022-04-23T14:35:21.44 0.1 undecidable manual P 69 35.9418 50 -0.06 97
IT.GNU.HGE. 2022-04-23T14:35:21.02 0.6 undecidable manual S 273 16.872 117 0.22 48
IV.GAVE.HNZ. 2022-04-23T14:35:20.73 0.6 undecidable manual S 140 14.874 120 0.52 45
IV.NRCA.HHZ. 2022-04-23T14:35:20.01 0.1 negative manual P 81 27.8499 107 -0.06 98
IV.FEMA.HNE. 2022-04-23T14:35:20.32 0.1 undecidable manual P 50 28.9488 107 0.04 98
IT.MTCL.HGZ. 2022-04-23T14:35:20.10 0.1 undecidable manual P 39 28.5492 107 -0.1 97
IV.LNSS.HHZ. 2022-04-23T14:35:20.36 0.1 positive manual P 135 30.2475 106 -0.19 95
IV.ASSB.HHZ. 2022-04-23T14:35:19.96 0.1 undecidable manual P 341 29.0487 107 -0.35 92
IV.CESX.HHZ. 2022-04-23T14:35:19.47 0.1 positive manual P 217 25.8519 108 -0.23 95
IV.ARRO.EHZ. 2022-04-23T14:35:19.34 0.1 undecidable manual P 182 23.9538 110 0 100
IV.CESI.HNZ. 2022-04-23T14:35:19.65 0.1 undecidable manual P 24 25.4523 109 0.02 99
IT.FOPC.HGZ. 2022-04-23T14:35:18.74 0.1 undecidable manual P 343 20.2686 113 0.09 99
IV.GAVE.HNZ. 2022-04-23T14:35:18.04 0.1 undecidable manual P 140 14.874 120 0.35 94
IV.MOMA.HHZ. 2022-04-23T14:35:18.22 0.1 undecidable manual P 273 16.872 117 0.19 97
IT.GNU.HGE. 2022-04-23T14:35:18.27 0.3 undecidable manual P 273 16.872 117 0.25 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:2.7 0.004914999999999999 1.88 AML other m 2022-04-23T14:35:21.97
IV.GAVE.EHE. ML:2.7 0.00523 1.14 AML other m 2022-04-23T14:35:21.07
IV.GAVE.HNE. ML:2.7 0.005565 1.14 AML other m 2022-04-23T14:35:21.07
IV.GAVE.HNN. ML:2.2 0.001465 1.66 AML other m 2022-04-23T14:35:21.96
IV.MOMA.HNE. ML:2.0 0.0009785 0.18 AML other m 2022-04-23T14:35:21.51
IV.MOMA.HHE. ML:2.1 0.0010905 0.18 AML other m 2022-04-23T14:35:21.51
IV.MOMA.HNN. ML:1.9 0.000744 1.16 AML other m 2022-04-23T14:35:22.07
IV.MOMA.HHN. ML:1.9 0.000669 1.16 AML other m 2022-04-23T14:35:22.07
IV.CESI.HHN. ML:2.4 0.0015950000000000003 1.58 AML other m 2022-04-23T14:35:23.80
IV.CESI.HNN. ML:2.4 0.0015 1.6 AML other m 2022-04-23T14:35:23.81
IV.CESX.HHN. ML:1.9 0.0005434999999999999 0.3 AML other m 2022-04-23T14:35:23.69
IV.CESI.HHE. ML:2.0 0.0006165000000000001 1.54 AML other m 2022-04-23T14:35:24.93
IV.CESI.HNE. ML:2.0 0.0005595 1.2 AML other m 2022-04-23T14:35:24.77
IV.NRCA.HHE. ML:2.2 0.0009305 0.92 AML other m 2022-04-23T14:35:24.48
IV.CESX.HHE. ML:1.9 0.0005114999999999999 0.96 AML other m 2022-04-23T14:35:24.18
IV.ASSB.HHE. ML:2.2 0.000822 1.5 AML other m 2022-04-23T14:35:24.02
IV.NRCA.HHN. ML:2.2 0.0008575 0.16 AML other m 2022-04-23T14:35:24.81
IV.ASSB.HHN. ML:2.1 0.000648 1.82 AML other m 2022-04-23T14:35:25.94
IV.LNSS.HHN. ML:2.2 0.0008065 1 AML other m 2022-04-23T14:35:25.31
IV.LNSS.HHE. ML:2.3 0.0009059999999999999 1.42 AML other m 2022-04-23T14:35:25.28
IV.FDMO.HHE. ML:2.0 0.00041549999999999996 0.42 AML other m 2022-04-23T14:35:27.36
IV.FDMO.HHN. ML:1.8 0.0002725 0.86 AML other m 2022-04-23T14:35:27.23
IV.MC2.EHN. ML:2.3 0.0008505 0.22 AML other m 2022-04-23T14:35:28.96
IV.MC2.EHE. ML:2.3 0.0008774999999999999 1.72 AML other m 2022-04-23T14:35:29.94
IV.ATCC.EHE. ML:1.9 0.0002245 1.08 AML other m 2022-04-23T14:35:29.01
IV.PIEI.HHN. ML:1.5 0.00003855 0.2 AML other m 2022-04-23T14:35:29.48
IV.RM33.EHN. ML:1.9 0.000213 0.2 AML other m 2022-04-23T14:35:30.38
IV.ATCC.EHN. ML:2.0 0.0002805 1.06 AML other m 2022-04-23T14:35:30.07
IV.RM33.EHE. ML:1.8 0.0001835 0.72 AML other m 2022-04-23T14:35:30.25
IV.CSP1.EHN. ML:2.4 0.000758 1.3 AML other m 2022-04-23T14:35:30.84
IV.CSP1.EHE. ML:2.6 0.0010004999999999999 0.3 AML other m 2022-04-23T14:35:30.82
IV.SMA1.EHN. ML:1.8 0.00016999999999999999 1.1 AML other m 2022-04-23T14:35:31.02
IV.FOSV.EHE. ML:1.4 0.000054800000000000004 1.44 AML other m 2022-04-23T14:35:32.99
IV.GUMA.HHE. ML:2.2 0.0003545 1.38 AML other m 2022-04-23T14:35:33.77
IV.SNTG.HHE. ML:1.5 0.000072 1.12 AML other m 2022-04-23T14:35:33.95
IV.SMA1.EHE. ML:1.8 0.000178 1.66 AML other m 2022-04-23T14:35:33.96
IV.GUMA.HHN. ML:2.2 0.0003645 0.44 AML other m 2022-04-23T14:35:34.31
IV.MURB.HHN. ML:2.3 0.00042100000000000004 1.76 AML other m 2022-04-23T14:35:35.91
IV.MURB.HHE. ML:2.3 0.0004515 0.28 AML other m 2022-04-23T14:35:35.24
IV.SNTG.HHN. ML:1.5 0.00007075000000000001 1.02 AML other m 2022-04-23T14:35:35.05
IV.EL6.EHN. ML:1.9 0.000134 0.94 AML other m 2022-04-23T14:35:36.57
IV.FOSV.EHN. ML:1.4 0.00006715 0.24 AML other m 2022-04-23T14:35:36.37
IV.MGAB.HHE. ML:1.6 0.0000975 0.38 AML other m 2022-04-23T14:35:36.70
IV.SRES.HHE. ML:1.6 0.00007240000000000001 1.16 AML other m 2022-04-23T14:35:37.11
IV.MGAB.HHN. ML:2.0 0.00025 0.44 AML other m 2022-04-23T14:35:37.60
IV.EL6.EHE. ML:2.0 0.000202 0.32 AML other m 2022-04-23T14:35:38.08
IV.SRES.HHN. ML:1.7 0.0000971 0.7 AML other m 2022-04-23T14:35:38.75
IV.SSFR.HHE. ML:1.9 0.0001375 0.66 AML other m 2022-04-23T14:35:38.12
IV.ATVO.HHN. ML:1.6 0.00006805 0.6 AML other m 2022-04-23T14:35:39.43
IV.ATVO.HHE. ML:1.6 0.00006275 0.82 AML other m 2022-04-23T14:35:40.12
IV.SSFR.HHN. ML:1.8 0.00011549999999999999 0.14 AML other m 2022-04-23T14:35:40.71
IV.ATMI.HHE. ML:2.2 0.0002395 1.66 AML other m 2022-04-23T14:35:41.94
IV.FRON.EHN. ML:1.6 0.0000511 0.28 AML other m 2022-04-23T14:35:41.48
IV.ATMI.HHN. ML:2.0 0.00016399999999999997 1.24 AML other m 2022-04-23T14:35:42.36
IV.FRON.EHE. ML:1.5 0.000038400000000000005 0.68 AML other m 2022-04-23T14:35:42.39
IV.ATPI.EHE. ML:1.5 0.00004565 0.84 AML other m 2022-04-23T14:35:42.96
IV.ATPI.EHN. ML:1.5 0.000043349999999999997 1.2 AML other m 2022-04-23T14:35:43.87
IV.MPAG.EHN. ML:1.4 0.0000298 0.42 AML other m 2022-04-23T14:35:47.46
IV.PIEI.HHE. ML:1.6 0.000051949999999999996 0.32 AML other m 2022-04-23T14:35:47.48
IV.PARC.HHN. ML:1.4 0.000023350000000000002 0.26 AML other m 2022-04-23T14:35:49.10
IV.PARC.HHE. ML:1.5 0.000030550000000000004 1.34 AML other m 2022-04-23T14:35:49.20
IV.MPAG.EHE. ML:1.5 0.0000361 1.3 AML other m 2022-04-23T14:35:53.25
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
Waveforms Seismic signals in miniseed + resp format Download