Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 06-08-2022 and time 23:57:22 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 2 km E Norcia (PG), on

  • 06-08-2022 21:57:22 (UTC)
  • 06-08-2022 23:57:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1160 at 10 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
Norcia PG 2 4957 4957
Cascia PG 12 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 17 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 17 444 13767
Montegallo AP 19 523 14290
Sellano PG 19 1079 15369
Cittareale RI 20 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km NW of Chieti (51815 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 1.8 2022-08-06
21:57:22		 42.7917 13.1158 10 2023-01-31
19:03:32		 Bollettino Sismico Italiano INGV 108639161
Reviewed
Rev100 		ML 1.8 2022-08-06
21:57:22		 42.7932 13.1153 10 2022-08-06
22:04:15		 Sala Sismica INGV-Roma 108209821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-06 21:57:22 ± 0.04
Latitude 42.7917 ± 0.0018
Longitude 13.1158 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108639161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 74
Number of defining phases 66
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) 0.74554
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 108209821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-06 22:04:15

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 108639161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-16 16:03:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2022-08-06T21:58:50.12 3.0 undecidable manual Sg 6.45 0
IV.VULT.HHZ. 2022-08-06T21:58:40.85 3.0 undecidable manual Sg 3.98 0
IX.NSC3.EHZ.02 2022-08-06T21:58:36.80 3.0 undecidable manual Sg 3.93 0
IT.MCLF.HNZ. 2022-08-06T21:58:14.52 3.0 undecidable manual S 3.62 0
IV.GATE.HHZ. 2022-08-06T21:57:53.82 3.0 negative manual Pn 0.18 0
IT.MCLF.HNZ. 2022-08-06T21:57:49.83 3.0 undecidable manual P 0.2 0
IV.ASQU.HHZ. 2022-08-06T21:57:47.35 3.0 undecidable manual P 0.08 0
IV.CING.HHZ. 2022-08-06T21:57:43.24 0.6 undecidable manual S 6 65.0904 50 0.75 38
IV.EL6.EHZ. 2022-08-06T21:57:41.54 0.6 undecidable manual S 359 59.6958 50 0.5 42
IV.FIAM.HHZ. 2022-08-06T21:57:40.97 0.6 undecidable manual S 180 58.0974 50 0.35 44
IV.SNTG.HHZ. 2022-08-06T21:57:39.52 0.6 undecidable manual S 345 53.3022 50 0.18 46
IV.GIGS.HHZ. 2022-08-06T21:57:38.94 0.6 undecidable manual S 135 52.9026 50 -0.31 45
IV.CESX.HHE. 2022-08-06T21:57:37.93 0.6 undecidable manual S 245 47.7189 50 0.09 47
IT.GNU.HGZ. 2022-08-06T21:57:37.99 0.3 undecidable manual S 272 44.4222 50 1.02 52
IV.ASSB.HHZ. 2022-08-06T21:57:37.49 0.6 undecidable manual S 307 46.4202 50 -0.01 48
IV.MGAB.HHZ. 2022-08-06T21:57:37.26 0.6 undecidable manual P 280 82.7505 50 0.55 40
IV.FRON.EHZ. 2022-08-06T21:57:37.59 3.0 negative manual P -0.24 0
IV.MOMA.HHZ. 2022-08-06T21:57:37.55 0.6 undecidable manual S 272 44.4222 50 0.57 42
IV.TERO.HHZ. 2022-08-06T21:57:36.96 0.6 undecidable manual S 115 44.0226 50 0.1 47
IV.ARVD.HHZ. 2022-08-06T21:57:36.07 0.3 undecidable manual P 350 79.6647 50 -0.16 66
IV.T0110.HHZ. 2022-08-06T21:57:36.69 0.3 undecidable manual P 139 82.5507 50 0.01 67
IV.MF5.EHZ. 2022-08-06T21:57:35.27 0.3 undecidable manual S 52 35.4423 50 0.7 61
IV.CAMP.HHZ. 2022-08-06T21:57:34.86 0.6 undecidable manual S 140 37.1295 50 -0.17 47
IV.ARRO.EHZ. 2022-08-06T21:57:34.91 0.6 undecidable manual S 231 37.0296 50 -0.09 48
IV.MML1.EHZ. 2022-08-06T21:57:34.87 0.6 undecidable manual S 342 37.5291 50 -0.28 46
IV.FAGN.HHZ. 2022-08-06T21:57:34.91 0.6 undecidable manual P 147 69.7746 50 0.2 44
IV.MURB.HHZ. 2022-08-06T21:57:34.85 0.6 undecidable manual P 318 70.9734 50 -0.04 46
IV.CSP1.EHZ. 2022-08-06T21:57:34.07 0.3 undecidable manual S 12 34.0437 50 -0.14 72
IV.GUMA.HHZ. 2022-08-06T21:57:34.89 0.6 undecidable manual S 31 34.9428 50 0.45 45
IV.RM33.EHZ. 2022-08-06T21:57:33.65 0.3 undecidable manual S 166 32.3454 50 -0.11 72
IV.CING.HHZ. 2022-08-06T21:57:33.91 0.1 undecidable manual P 6 65.0904 50 -0.08 92
IV.EL6.EHZ. 2022-08-06T21:57:33.00 0.1 undecidable manual P 359 59.6958 50 -0.15 91
IV.ATCC.EHZ. 2022-08-06T21:57:32.86 0.3 undecidable manual P 319 58.2972 50 -0.08 70
IV.CESI.HHZ. 2022-08-06T21:57:32.63 0.3 undecidable manual S 324 29.2485 50 -0.28 70
IV.FIAM.HHZ. 2022-08-06T21:57:32.66 0.3 undecidable manual P 180 58.0974 50 -0.25 67
IV.CESX.HHE. 2022-08-06T21:57:31.30 0.6 undecidable manual P 245 47.7189 50 -0.01 48
IV.GIGS.HHZ. 2022-08-06T21:57:31.71 0.3 undecidable manual P 135 52.9026 50 -0.4 66
IV.FDMO.HHZ. 2022-08-06T21:57:31.96 0.3 undecidable manual S 355 27.2505 50 -0.43 68
IT.GNU.HGZ. 2022-08-06T21:57:31.42 1.0 undecidable manual P 272 44.4222 50 0.62 21
IV.SNTG.HHZ. 2022-08-06T21:57:31.93 0.1 undecidable manual P 345 53.3022 50 -0.25 90
IV.MTRA.EHZ. 2022-08-06T21:57:31.18 0.6 undecidable manual S 100 23.1546 113 0.07 49
IV.MMO1.EHZ. 2022-08-06T21:57:30.22 0.3 undecidable manual S 55 20.868 115 -0.17 73
IV.GAVE.EHZ. 2022-08-06T21:57:30.38 0.3 undecidable manual S 239 21.1677 115 -0.08 74
IV.TERO.HHZ. 2022-08-06T21:57:30.64 0.6 undecidable manual P 115 44.0226 50 -0.09 47
IT.MTCL.HGE. 2022-08-06T21:57:30.89 0.6 undecidable manual S 337 24.3534 112 -0.59 44
IV.LNSS.HHZ. 2022-08-06T21:57:30.69 0.3 undecidable manual S 196 21.867 114 0.01 75
IV.ASSB.HHZ. 2022-08-06T21:57:30.84 0.3 undecidable manual P 307 46.4202 50 -0.26 68
IV.MOMA.HHZ. 2022-08-06T21:57:30.90 0.3 undecidable manual P 272 44.4222 50 0.09 71
7F.SIB1.EHE. 2022-08-06T21:57:29.13 0.3 undecidable manual S 48 16.9719 120 -0.04 75
7F.SIB2.EHE. 2022-08-06T21:57:29.60 0.3 undecidable manual S 54 18.87 117 -0.15 74
IV.CSP1.EHZ. 2022-08-06T21:57:29.03 0.1 positive manual P 12 34.0437 50 -0.18 95
IV.CAMP.HHZ. 2022-08-06T21:57:29.51 0.3 undecidable manual P 140 37.1295 50 -0.17 71
IV.ARRO.EHZ. 2022-08-06T21:57:29.51 0.3 undecidable manual P 231 37.0296 50 -0.16 71
IV.MML1.EHZ. 2022-08-06T21:57:29.49 0.1 undecidable manual P 342 37.5291 50 -0.25 93
IV.GUMA.HHZ. 2022-08-06T21:57:29.51 0.3 undecidable manual P 31 34.9428 50 0.17 71
IV.FEMA.HNE. 2022-08-06T21:57:29.86 0.6 undecidable manual S 344 19.6692 117 -0.14 49
IV.MF5.EHZ. 2022-08-06T21:57:29.72 0.3 undecidable manual P 52 35.4423 50 0.3 69
IV.RM33.EHZ. 2022-08-06T21:57:28.76 0.1 undecidable manual P 166 32.3454 50 -0.19 95
7F.SIB3.EHE. 2022-08-06T21:57:28.65 0.6 undecidable manual S 54 15.5733 122 -0.12 50
IV.MC2.EHZ. 2022-08-06T21:57:28.80 0.3 undecidable manual S 24 14.5743 124 0.33 71
IV.CESI.HHZ. 2022-08-06T21:57:28.28 0.1 positive manual P 324 29.2485 50 -0.18 96
IV.LNSS.HHZ. 2022-08-06T21:57:27.24 0.1 positive manual P 196 21.867 114 0.07 99
IV.MTRA.EHZ. 2022-08-06T21:57:27.47 0.3 undecidable manual P 100 23.1546 113 0.05 75
IT.MTCL.HGE. 2022-08-06T21:57:27.42 0.3 undecidable manual P 337 24.3534 112 -0.21 72
IV.MMO1.EHZ. 2022-08-06T21:57:27.04 0.1 positive manual P 55 20.868 115 0.04 100
IV.FDMO.HHZ. 2022-08-06T21:57:27.95 0.1 positive manual P 355 27.2505 50 -0.2 96
IV.GAVE.EHZ. 2022-08-06T21:57:27.17 0.1 positive manual P 239 21.1677 115 0.12 98
7F.SIB1.EHE. 2022-08-06T21:57:26.51 0.3 undecidable manual P 48 16.9719 120 0.21 73
7F.SIB3.EHE. 2022-08-06T21:57:26.20 0.1 undecidable manual P 54 15.5733 122 0.14 99
IV.NRCA.HNZ. 2022-08-06T21:57:26.05 0.3 undecidable manual S 358 4.6953 155 -0.09 76
7F.SIB2.EHE. 2022-08-06T21:57:26.67 0.3 undecidable manual P 54 18.87 117 0.04 75
IV.MC2.EHZ. 2022-08-06T21:57:26.23 0.1 positive manual P 24 14.5743 124 0.34 95
IV.FEMA.HNE. 2022-08-06T21:57:26.82 0.6 undecidable manual P 344 19.6692 117 0.05 50
IV.NRCA.HNZ. 2022-08-06T21:57:24.79 0.1 negative manual P 358 4.6953 155 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.8 0.011850000000000001 0.08 AML other m 2022-08-06T21:57:26.13
IV.NRCA.HNN. ML:2.8 0.010215 0.08 AML other m 2022-08-06T21:57:26.10
IV.NRCA.HHE. ML:2.7 0.00916 0.16 AML other m 2022-08-06T21:57:26.22
IV.NRCA.HNE. ML:2.7 0.008455 0.18 AML other m 2022-08-06T21:57:26.23
IV.MC2.EHN. ML:2.4 0.002285 0.66 AML other m 2022-08-06T21:57:29.03
IV.MC2.EHE. ML:2.4 0.0027949999999999997 0.18 AML other m 2022-08-06T21:57:29.84
IV.MMO1.EHN. ML:2.2 0.0010615000000000002 0.58 AML other m 2022-08-06T21:57:30.58
IV.GAVE.EHN. ML:2.1 0.0008905 0.2 AML other m 2022-08-06T21:57:31.04
IV.MMO1.EHE. ML:2.0 0.0007155 0.16 AML other m 2022-08-06T21:57:31.29
IV.LNSS.HHN. ML:2.0 0.0006115 1.28 AML other m 2022-08-06T21:57:32.01
IV.GAVE.HNN. ML:1.7 0.0003195 0.84 AML other m 2022-08-06T21:57:32.06
IV.LNSS.HHE. ML:1.8 0.000475 0.62 AML other m 2022-08-06T21:57:32.16
IV.GAVE.EHE. ML:2.2 0.0010695 0.7 AML other m 2022-08-06T21:57:32.55
IV.GAVE.HNE. ML:2.2 0.001038 0.7 AML other m 2022-08-06T21:57:32.55
IV.FDMO.HHE. ML:1.7 0.0002545 0.64 AML other m 2022-08-06T21:57:32.57
IV.MTRA.EHN. ML:1.8 0.00041600000000000003 0.16 AML other m 2022-08-06T21:57:32.20
IV.FDMO.HHN. ML:1.7 0.0002445 0.86 AML other m 2022-08-06T21:57:32.29
IV.MTRA.EHE. ML:1.9 0.0005800000000000001 0.54 AML other m 2022-08-06T21:57:32.72
IV.CESI.HHN. ML:1.9 0.000376 0.28 AML other m 2022-08-06T21:57:32.94
IV.CESI.HHE. ML:1.6 0.000219 1.56 AML other m 2022-08-06T21:57:33.80
IV.CSP1.EHE. ML:2.0 0.0004605 0.42 AML other m 2022-08-06T21:57:34.65
IV.MF5.EHN. ML:1.7 0.00020050000000000002 0.44 AML other m 2022-08-06T21:57:35.67
IV.MML1.EHE. ML:1.7 0.000189 0.14 AML other m 2022-08-06T21:57:35.83
IV.CSP1.EHN. ML:2.1 0.00055 1.58 AML other m 2022-08-06T21:57:36.79
IV.ARRO.EHE. ML:1.5 0.0001185 1.26 AML other m 2022-08-06T21:57:36.63
IV.MML1.EHN. ML:1.7 0.000175 1.22 AML other m 2022-08-06T21:57:36.08
IV.ARRO.EHN. ML:1.6 0.00017 1.36 AML other m 2022-08-06T21:57:36.24
IV.GUMA.HNE. ML:1.9 0.00035150000000000003 0.4 AML other m 2022-08-06T21:57:37.90
IV.GUMA.HHN. ML:2.1 0.0005164999999999999 1.46 AML other m 2022-08-06T21:57:37.73
IV.GUMA.HNN. ML:2.1 0.0005195 1.42 AML other m 2022-08-06T21:57:37.03
IV.ASSB.HHE. ML:1.6 0.00010389999999999999 0.1 AML other m 2022-08-06T21:57:37.92
IV.GUMA.HHE. ML:2.0 0.000422 1.68 AML other m 2022-08-06T21:57:38.05
IV.MOMA.HHE. ML:1.7 0.000158 0.24 AML other m 2022-08-06T21:57:38.28
IV.TERO.HHN. ML:1.5 0.00009005000000000001 1.42 AML other m 2022-08-06T21:57:38.81
IV.ASSB.HHN. ML:1.7 0.000134 1.8 AML other m 2022-08-06T21:57:39.91
IV.TERO.HHE. ML:1.4 0.00006875 1.62 AML other m 2022-08-06T21:57:39.10
IV.MOMA.HHN. ML:1.4 0.00006870000000000002 0.14 AML other m 2022-08-06T21:57:39.36
IV.GIGS.HHN. ML:1.1 0.0000283 0.7 AML other m 2022-08-06T21:57:39.46
IV.MF5.EHE. ML:1.7 0.000194 0.52 AML other m 2022-08-06T21:57:40.05
IV.GIGS.HHE. ML:0.9 0.00002235 0.48 AML other m 2022-08-06T21:57:40.77
IV.SNTG.HHE. ML:1.3 0.000051949999999999996 1.24 AML other m 2022-08-06T21:57:41.21
IV.FIAM.HHE. ML:1.4 0.000060150000000000005 0.22 AML other m 2022-08-06T21:57:41.83
IV.SNTG.HHN. ML:1.3 0.00005075 0.52 AML other m 2022-08-06T21:57:42.27
IV.EL6.EHN. ML:1.7 0.00011599999999999999 0.42 AML other m 2022-08-06T21:57:42.74
IV.ATCC.EHE. ML:1.6 0.00009554999999999999 0.14 AML other m 2022-08-06T21:57:42.66
IV.FIAM.HHN. ML:1.4 0.00004935 0.54 AML other m 2022-08-06T21:57:42.73
IV.EL6.EHE. ML:1.7 0.00010400000000000001 0.6 AML other m 2022-08-06T21:57:43.02
IV.ATCC.EHN. ML:1.6 0.00008334999999999999 0.68 AML other m 2022-08-06T21:57:43.36
IV.CING.HHE. ML:1.4 0.00004825 0.26 AML other m 2022-08-06T21:57:44.42
IV.CING.HHN. ML:1.4 0.00004745 0.88 AML other m 2022-08-06T21:57:44.46
IV.FAGN.HHE. ML:1.6 0.0000743 1.18 AML other m 2022-08-06T21:57:47.26
IV.MURB.HHN. ML:1.8 0.00009864999999999999 0.82 AML other m 2022-08-06T21:57:49.20
IV.MURB.HHE. ML:1.9 0.00012245 0.42 AML other m 2022-08-06T21:57:50.90
IV.T0110.HHE. ML:1.4 0.00003435000000000001 0.9 AML other m 2022-08-06T21:57:53.45
IV.FAGN.HHN. ML:1.5 0.000053500000000000006 0.4 AML other m 2022-08-06T21:57:56.09
IV.T0110.HHN. ML:1.4 0.0000354 1.38 AML other m 2022-08-06T21:57:56.89
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