Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 22-05-2021 and time 08:30:05 (UTC) in region 5 km SW Campello sul Clitunno (PG)

A magnitude ML 2.0 earthquake occured in region: 5 km SW Campello sul Clitunno (PG), on

  • 22-05-2021 08:30:05 (UTC)
  • 22-05-2021 10:30:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 12.7380 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 14 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
Acquasparta TR 19 4778 131295
Bevagna PG 19 5081 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)
66 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 2.0 2021-05-22
08:30:05		 42.7905 12.7383 8 2021-12-29
11:12:01		 Bollettino Sismico Italiano INGV 90510621
Reviewed
Rev100 		ML 2.1 2021-05-22
08:30:05		 42.789 12.7228 10 2021-05-22
08:35:59		 Sala Sismica INGV-Roma 90366201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-22 08:30:05 ± 0.04
Latitude 42.7905 ± 0.0027
Longitude 12.7383 ± 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 90510621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 239
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
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 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.12411
Epicentral distance of station farthest from the epicenter (degree) 0.77971
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 63
Type of magnitude ML
Reference to an origin 90510621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-15 08:37:39

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 90366201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-22 08:35:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-05-22T08:30:26.40 0.3 undecidable manual S 69 62.5929 50 1.46 41
IV.GUMA.HHZ. 2021-05-22T08:30:24.30 0.6 undecidable manual S 58 57.0984 50 0.82 38
IV.FOSV.EHZ. 2021-05-22T08:30:23.30 0.6 undecidable manual S 2 55.9995 50 0.13 47
IV.MURB.HHZ. 2021-05-22T08:30:23.60 0.6 undecidable manual S 342 55.2003 50 0.63 41
IV.SMA1.EHZ. 2021-05-22T08:30:22.53 0.6 undecidable manual S 110 51.8037 50 0.47 44
IV.MGAB.HHZ. 2021-05-22T08:30:22.77 0.6 undecidable manual S 285 52.7028 50 0.47 44
IV.CSP1.EHZ. 2021-05-22T08:30:21.90 0.3 undecidable manual S 48 50.5161 50 0.18 70
IV.MMO1.EHZ. 2021-05-22T08:30:21.30 0.3 undecidable manual S 76 49.3173 50 -0.11 71
IV.RM33.EHZ. 2021-05-22T08:30:21.60 0.6 undecidable manual S 129 49.8168 50 0.06 48
IV.PIEI.HHZ. 2021-05-22T08:30:20.13 0.6 undecidable manual P 349 84.249 50 0.24 43
IV.ATCC.EHZ. 2021-05-22T08:30:20.20 0.3 undecidable manual S 350 44.5221 50 0.09 72
IV.T1299.HNN. 2021-05-22T08:30:20.89 0.3 undecidable manual S 111 47.619 50 -0.05 72
IV.CAFI.HHZ. 2021-05-22T08:30:20.33 0.6 undecidable manual P 314 86.5467 50 0.09 44
IV.ARVD.HHZ. 2021-05-22T08:30:19.32 0.6 undecidable manual P 12 80.1642 50 0.06 45
IV.FDMO.HHZ. 2021-05-22T08:30:18.40 0.3 undecidable manual S 46 39.3273 50 -0.34 69
IV.MML1.HNE. 2021-05-22T08:30:18.90 0.3 undecidable manual S 28 40.5261 50 -0.15 71
IV.CING.HHZ. 2021-05-22T08:30:18.33 0.3 undecidable manual P 30 74.6697 50 -0.09 68
IV.MC2.EHZ. 2021-05-22T08:30:18.97 0.3 undecidable manual S 70 39.0276 50 0.32 69
IV.TERO.HHZ. 2021-05-22T08:30:17.86 0.3 undecidable manual P 104 72.9714 50 -0.29 65
IV.ATVO.HHZ. 2021-05-22T08:30:17.60 0.6 undecidable manual P 338 70.8735 50 -0.23 44
IV.SACS.HHZ. 2021-05-22T08:30:17.35 0.6 undecidable manual P 276 67.7766 50 0.01 47
IT.MTCL.HGZ. 2021-05-22T08:30:16.00 0.3 undecidable manual S 43 30.9468 104 -0.18 72
IV.MF5.EHZ. 2021-05-22T08:30:16.84 0.6 undecidable manual P 69 62.5929 50 0.29 44
IV.EL6.EHZ. 2021-05-22T08:30:16.96 0.3 undecidable manual P 26 66.5778 50 -0.21 67
IV.LNSS.HHZ. 2021-05-22T08:30:16.40 0.3 undecidable manual S 130 32.2455 104 -0.21 72
IV.FIAM.HHZ. 2021-05-22T08:30:16.82 0.6 undecidable manual P 152 65.6898 50 -0.21 45
IV.NRCA.HHZ. 2021-05-22T08:30:16.00 0.3 undecidable manual S 81 30.9468 104 -0.18 72
IV.FEMA.HNE. 2021-05-22T08:30:16.40 0.3 undecidable manual S 53 31.6461 104 -0.02 75
IV.ASSB.HHZ. 2021-05-22T08:30:15.20 0.3 undecidable manual S 347 28.749 106 -0.22 72
IV.FOSV.EHZ. 2021-05-22T08:30:15.40 0.3 undecidable manual P 2 55.9995 50 -0.13 70
IV.GUMA.HHZ. 2021-05-22T08:30:15.84 0.3 undecidable manual P 58 57.0984 50 0.14 70
IV.CESI.HHZ. 2021-05-22T08:30:15.00 0.3 undecidable manual S 30 27.3504 106 0.03 75
IV.MURB.HHZ. 2021-05-22T08:30:15.34 0.6 undecidable manual P 342 55.2003 50 -0.07 47
IV.CSP1.EHZ. 2021-05-22T08:30:14.59 0.1 positive manual P 48 50.5161 50 -0.1 95
IV.T1299.HNN. 2021-05-22T08:30:14.14 0.1 undecidable manual P 111 47.619 50 -0.1 95
IV.SMA1.EHZ. 2021-05-22T08:30:14.55 0.6 undecidable manual P 110 51.8037 50 -0.33 45
IV.MTRA.EHE. 2021-05-22T08:30:14.93 0.3 undecidable manual P 94 53.7018 50 -0.25 68
IV.MMO1.EHZ. 2021-05-22T08:30:14.27 0.3 undecidable manual P 76 49.3173 50 -0.24 69
IV.MGAB.HHZ. 2021-05-22T08:30:14.71 0.6 undecidable manual P 285 52.7028 50 -0.31 45
IV.RM33.EHZ. 2021-05-22T08:30:14.18 0.3 undecidable manual P 129 49.8168 50 -0.41 67
IV.ARRO.EHZ. 2021-05-22T08:30:14.20 0.3 undecidable manual S 175 23.5542 109 0.49 69
IV.ATCC.EHZ. 2021-05-22T08:30:13.53 0.3 undecidable manual P 350 44.5221 50 -0.23 70
IV.CESX.HHZ. 2021-05-22T08:30:13.40 0.3 undecidable manual S 212 23.6541 109 -0.35 71
IV.FDMO.HHZ. 2021-05-22T08:30:12.68 0.3 undecidable manual P 46 39.3273 50 -0.29 70
IT.FOPC.HGZ. 2021-05-22T08:30:12.80 0.3 undecidable manual S 352 20.0688 112 0.22 73
IV.MML1.HNE. 2021-05-22T08:30:12.76 0.3 undecidable manual P 28 40.5261 50 -0.39 68
IV.GAVE.EHZ. 2021-05-22T08:30:12.00 0.3 undecidable manual S 131 16.7721 115 0.48 69
IV.MC2.EHZ. 2021-05-22T08:30:12.82 0.1 undecidable manual P 70 39.0276 50 -0.1 97
IV.ASSB.HHZ. 2021-05-22T08:30:11.00 0.3 undecidable manual P 347 28.749 106 -0.05 74
IT.MTCL.HGZ. 2021-05-22T08:30:11.38 0.3 undecidable manual P 43 30.9468 104 -0.11 73
IV.LNSS.HHZ. 2021-05-22T08:30:11.51 0.3 undecidable manual P 130 32.2455 104 -0.23 71
IV.FEMA.HNE. 2021-05-22T08:30:11.66 0.3 undecidable manual P 53 31.6461 104 0.03 74
IV.NRCA.HHZ. 2021-05-22T08:30:11.36 0.3 undecidable manual P 81 30.9468 104 -0.13 73
IV.MOMA.HHZ. 2021-05-22T08:30:10.60 0.3 undecidable manual S 276 13.7751 120 -0.01 77
IV.ARRO.EHZ. 2021-05-22T08:30:10.17 0.1 undecidable manual P 175 23.5542 109 0.1 99
IT.GNU.HGZ. 2021-05-22T08:30:10.60 0.3 undecidable manual S 276 13.7751 120 -0.01 77
IV.CESI.HHZ. 2021-05-22T08:30:10.82 0.1 undecidable manual P 30 27.3504 106 0.03 100
IT.FOPC.HGZ. 2021-05-22T08:30:09.75 0.3 undecidable manual P 352 20.0688 112 0.34 71
IV.GAVE.EHZ. 2021-05-22T08:30:09.15 0.1 negative manual P 131 16.7721 115 0.35 95
IV.CESX.HHZ. 2021-05-22T08:30:09.90 0.3 undecidable manual P 212 23.6541 109 -0.19 73
IT.GNU.HGZ. 2021-05-22T08:30:08.44 0.1 undecidable manual P 276 13.7751 120 0.17 99
IV.MOMA.HHZ. 2021-05-22T08:30:08.42 0.1 undecidable manual P 276 13.7751 120 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNN. ML:2.2 0.00198 1.16 AML other m 2021-05-22T08:30:11.13
IV.MOMA.HHN. ML:2.2 0.001865 1.16 AML other m 2021-05-22T08:30:11.13
IV.MOMA.HHE. ML:2.7 0.006359999999999999 0.22 AML other m 2021-05-22T08:30:11.13
IV.MOMA.HNE. ML:2.7 0.005875 0.24 AML other m 2021-05-22T08:30:11.13
IV.GAVE.HNE. ML:2.2 0.00151 0.16 AML other m 2021-05-22T08:30:12.61
IV.GAVE.EHE. ML:2.2 0.001545 0.18 AML other m 2021-05-22T08:30:12.61
IV.GAVE.EHN. ML:2.2 0.0013900000000000002 0.36 AML other m 2021-05-22T08:30:13.75
IV.CESX.HHN. ML:2.1 0.0008719999999999999 0.2 AML other m 2021-05-22T08:30:14.28
IV.CESX.HHE. ML:2.1 0.000877 0.24 AML other m 2021-05-22T08:30:14.27
IV.GAVE.HNN. ML:1.7 0.00047549999999999996 0.86 AML other m 2021-05-22T08:30:14.75
IV.ARRO.EHN. ML:1.9 0.00047000000000000004 0.3 AML other m 2021-05-22T08:30:14.68
IV.ARRO.EHE. ML:1.9 0.0004825 0.26 AML other m 2021-05-22T08:30:14.93
IV.CESI.HHN. ML:2.2 0.0009355 1.04 AML other m 2021-05-22T08:30:15.89
IV.ASSB.HHN. ML:2.2 0.0008975 0.5 AML other m 2021-05-22T08:30:15.94
IV.ASSB.HHE. ML:2.4 0.0012083411 0.416 AML other m 2021-05-22T08:30:15.91
IV.NRCA.HHE. ML:2.3 0.0009385 0.14 AML other m 2021-05-22T08:30:17.12
IV.CESI.HHE. ML:2.0 0.00049 0.54 AML other m 2021-05-22T08:30:17.70
IV.NRCA.HHN. ML:2.2 0.0008425 0.8 AML other m 2021-05-22T08:30:17.84
IV.LNSS.HHE. ML:2.0 0.000506 0.42 AML other m 2021-05-22T08:30:17.64
IV.LNSS.HHN. ML:2.0 0.000466311 0.2176 AML other m 2021-05-22T08:30:17.27
IV.FDMO.HHE. ML:2.0 0.00034950000000000004 0.22 AML other m 2021-05-22T08:30:19.11
IV.FDMO.HHN. ML:1.9 0.0003095 0.66 AML other m 2021-05-22T08:30:19.67
IV.ATCC.EHN. ML:2.1 0.0003725 1.52 AML other m 2021-05-22T08:30:21.05
IV.ATCC.EHE. ML:2.1 0.00042100000000000004 0.18 AML other m 2021-05-22T08:30:22.22
IV.CSP1.EHN. ML:2.4 0.0007264999999999999 0.16 AML other m 2021-05-22T08:30:23.26
IV.RM33.EHE. ML:1.8 0.0001495 1.02 AML other m 2021-05-22T08:30:23.01
IV.CSP1.EHE. ML:2.4 0.0006129999999999999 0.82 AML other m 2021-05-22T08:30:24.02
IV.MGAB.HHN. ML:1.9 0.00019350000000000001 0.22 AML other m 2021-05-22T08:30:24.54
IV.GUMA.HHE. ML:2.2 0.000319 0.24 AML other m 2021-05-22T08:30:24.61
IV.SMA1.EHE. ML:2.0 0.000251 1.28 AML other m 2021-05-22T08:30:24.66
IV.RM33.EHN. ML:1.7 0.00013700000000000002 0.14 AML other m 2021-05-22T08:30:24.65
IV.MURB.HHE. ML:2.5 0.000707 0.22 AML other m 2021-05-22T08:30:24.73
IV.MGAB.HHE. ML:2.0 0.00022049999999999997 1.3 AML other m 2021-05-22T08:30:24.98
IV.SMA1.EHN. ML:1.9 0.00017749999999999998 0.56 AML other m 2021-05-22T08:30:25.40
IV.MURB.HHN. ML:2.5 0.0007045 0.22 AML other m 2021-05-22T08:30:25.46
IV.GUMA.HHN. ML:2.2 0.00033299999999999996 0.52 AML other m 2021-05-22T08:30:27.34
IV.EL6.EHE. ML:2.4 0.0004215 0.2 AML other m 2021-05-22T08:30:27.35
IV.EL6.EHN. ML:2.4 0.000431 0.18 AML other m 2021-05-22T08:30:27.97
IV.FIAM.HHN. ML:1.3 0.0000346 0.3 AML other m 2021-05-22T08:30:28.07
IV.FIAM.HHE. ML:1.2 0.0000308 0.24 AML other m 2021-05-22T08:30:28.90
IV.ATVO.HHE. ML:1.8 0.00009365 0.54 AML other m 2021-05-22T08:30:29.34
IV.CING.HHN. ML:1.9 0.0001325 0.7 AML other m 2021-05-22T08:30:29.56
IV.CING.HHE. ML:1.8 0.00009779999999999999 0.72 AML other m 2021-05-22T08:30:31.05
IV.ARVD.HHE. ML:1.6 0.00005935 0.34 AML other m 2021-05-22T08:30:31.37
IV.ATVO.HHN. ML:1.7 0.00008085 1.6 AML other m 2021-05-22T08:30:31.83
IV.ARVD.HHN. ML:1.5 0.00004105 0.64 AML other m 2021-05-22T08:30:32.57
IV.PIEI.HHN. ML:1.8 0.00008010000000000001 0.9 AML other m 2021-05-22T08:30:33.23
IV.PIEI.HHE. ML:1.9 0.00010284999999999999 0.96 AML other m 2021-05-22T08:30:33.50
IV.CAFI.HHE. ML:1.5 0.00003845 0.28 AML other m 2021-05-22T08:30:34.21
IV.CAFI.HHN. ML:1.4 0.00002995 1.7 AML other m 2021-05-22T08:30:36.86
IV.CESI.HNN. ML:2.2 0.0008347147 0.2368 AML other m 2021-05-22T08:30:15.37
IV.CESI.HNE. ML:1.8 0.00036620715000000006 0.2304 AML other m 2021-05-22T08:30:17.54
IV.NRCA.HNN. ML:2.2 0.00073551465 0.1472 AML other m 2021-05-22T08:30:16.84
IV.NRCA.HNE. ML:2.2 0.00086367285 0.1408 AML other m 2021-05-22T08:30:17.12
IV.LNSS.HNE. ML:2.0 0.00045766395 0.1536 AML other m 2021-05-22T08:30:17.08
IV.LNSS.HNN. ML:2.0 0.0004619871 0.2624 AML other m 2021-05-22T08:30:17.76
IV.MURB.HNE. ML:2.4 0.0006392735 0.2496 AML other m 2021-05-22T08:30:24.73
IV.MURB.HNN. ML:2.4 0.0005697929500000001 0.2304 AML other m 2021-05-22T08:30:25.45
IV.GUMA.HNE. ML:2.1 0.0002585421 0.2688 AML other m 2021-05-22T08:30:24.60
IV.MF5.EHN. ML:1.6 0.000073383345 0.416 AML other m 2021-05-22T08:30:30.17
IV.MF5.EHE. ML:1.7 0.000096771885 0.32 AML other m 2021-05-22T08:30:27.16
IV.SACS.HHE. ML:1.5 0.00005099393000000001 0.2752 AML other m 2021-05-22T08:30:29.03
IV.TERO.HHN. ML:1.6 0.000071823805 0.1216 AML other m 2021-05-22T08:30:29.72
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