Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-08-2022 and time 04:31:26 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Norcia (PG), on

  • 07-08-2022 02:31:26 (UTC)
  • 07-08-2022 04:31:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 13.1330 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 12 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Poggiodomo PG 19 117 14290
Montemonaco AP 19 604 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 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 2022-08-07
02:31:26		 42.8002 13.1333 9 2023-01-31
19:03:42		 Bollettino Sismico Italiano INGV 109632911
Reviewed
Rev100 		ML 1.8 2022-08-07
02:31:26		 42.8023 13.131 10 2022-08-07
02:39:06		 Sala Sismica INGV-Roma 108213771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-07 02:31:26 ± 0.04
Latitude 42.8002 ± 0.0018
Longitude 13.1333 ± 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 109632911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 284
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 68
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.90472
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 47
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 108213771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-07 02:39:06

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 70
Type of magnitude ML
Reference to an origin 109632911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-18 19:39:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2022-08-07T02:31:45.50 0.3 undecidable manual S 181 58.9965 50 0 70
IV.NARO.HHZ. 2022-08-07T02:31:44.08 0.6 undecidable manual P 334 100.4217 50 0.06 42
IV.PIEI.HHZ. 2022-08-07T02:31:43.66 0.3 undecidable manual P 330 94.9383 50 0.5 59
IV.MPAG.EHZ. 2022-08-07T02:31:43.59 0.6 undecidable manual P 342 96.8253 50 0.13 42
IV.MGAB.HHZ. 2022-08-07T02:31:42.33 0.3 undecidable manual P 279 83.9493 50 0.85 52
IV.T0110.HHZ. 2022-08-07T02:31:41.42 0.6 undecidable manual P 140 82.251 50 0.2 43
IV.FRON.EHZ. 2022-08-07T02:31:41.66 0.6 undecidable manual P 338 86.1471 50 -0.16 43
IV.MURB.HHZ. 2022-08-07T02:31:40.38 0.6 undecidable manual P 316 71.2731 50 0.86 35
IV.ARVD.HHZ. 2022-08-07T02:31:40.63 0.3 undecidable manual P 349 78.9654 50 -0.08 66
IV.SSFR.HHZ. 2022-08-07T02:31:40.19 0.3 undecidable manual P 338 76.0683 50 -0.08 67
IV.MML1.HNE. 2022-08-07T02:31:39.80 0.3 undecidable manual S 339 37.1295 50 0.14 71
IV.CAMP.HHZ. 2022-08-07T02:31:39.20 0.3 undecidable manual S 142 36.9297 50 -0.4 67
IV.MF5.EHZ. 2022-08-07T02:31:39.20 0.3 undecidable manual S 52 33.744 50 0.46 66
IV.PF6.EHN. 2022-08-07T02:31:39.70 0.3 undecidable manual S 7 37.8288 50 -0.13 71
IV.GUMA.HHZ. 2022-08-07T02:31:38.90 0.3 undecidable manual S 29 33.4443 50 0.24 70
IV.CING.HHZ. 2022-08-07T02:31:38.16 0.3 undecidable manual P 4 64.0914 50 -0.25 66
IV.CSP1.EHZ. 2022-08-07T02:31:38.30 0.3 undecidable manual S 10 32.8449 50 -0.22 70
IV.RM33.EHZ. 2022-08-07T02:31:38.40 0.3 undecidable manual S 168 32.9448 50 -0.14 71
IV.CESI.HHZ. 2022-08-07T02:31:37.20 0.6 undecidable manual S 321 29.3484 50 -0.38 45
IV.FIAM.HHZ. 2022-08-07T02:31:37.34 0.3 undecidable manual P 181 58.9965 50 -0.3 66
IV.ATCC.EHZ. 2022-08-07T02:31:37.50 0.6 undecidable manual P 317 58.5969 50 -0.06 46
IV.FOSV.EHZ. 2022-08-07T02:31:37.98 0.6 undecidable manual P 331 62.5929 50 -0.21 44
IV.EL6.EHZ. 2022-08-07T02:31:37.42 0.1 undecidable manual P 358 58.7967 50 -0.18 90
IV.GIGS.HHZ. 2022-08-07T02:31:36.06 0.3 undecidable manual P 137 52.6029 50 -0.59 61
IV.MNTT.EHZ. 2022-08-07T02:31:36.55 0.3 undecidable manual P 52 47.5191 50 0.69 60
IV.FDMO.HHZ. 2022-08-07T02:31:36.40 0.3 undecidable manual S 352 26.4513 109 -0.26 70
IV.OFFI.HHZ. 2022-08-07T02:31:36.70 0.3 undecidable manual P 71 47.3193 50 0.86 55
IV.MNTP.HNZ. 2022-08-07T02:31:36.31 0.3 undecidable manual P 36 46.3203 50 0.63 61
IV.SNTG.HHZ. 2022-08-07T02:31:36.52 0.3 undecidable manual P 343 52.8027 50 -0.17 68
IV.GAG1.HNE. 2022-08-07T02:31:36.06 0.3 undecidable manual P 354 48.9177 50 -0.01 71
IV.CESX.HHZ. 2022-08-07T02:31:36.58 0.6 undecidable manual P 245 49.4172 50 0.43 43
IV.LNSS.HHZ. 2022-08-07T02:31:35.80 0.3 undecidable manual S 199 23.1546 112 0.23 71
IV.MOMA.HHZ. 2022-08-07T02:31:35.67 0.6 undecidable manual P 271 45.8208 50 0.06 47
IV.MTRA.EHZ. 2022-08-07T02:31:35.10 0.3 undecidable manual S 103 21.9669 113 -0.09 73
IV.ASSB.HHZ. 2022-08-07T02:31:35.64 0.3 undecidable manual P 305 47.0196 50 -0.15 69
IT.MTCL.HGZ. 2022-08-07T02:31:35.50 0.3 undecidable manual S 333 24.0537 111 -0.38 69
IV.GAVE.EHZ. 2022-08-07T02:31:35.60 0.3 undecidable manual S 239 22.8549 112 0.12 73
IV.FEMA.HNE. 2022-08-07T02:31:34.20 0.3 undecidable manual S 339 19.2696 116 -0.12 73
IV.PF6.EHN. 2022-08-07T02:31:34.03 0.3 undecidable manual P 7 37.8288 50 -0.34 68
IV.TERO.HHZ. 2022-08-07T02:31:34.96 0.6 undecidable manual P 117 43.1235 50 -0.22 46
IV.SEF1.HNN. 2022-08-07T02:31:34.76 0.3 undecidable manual P 339 41.3253 50 -0.15 70
IV.MMO1.EHZ. 2022-08-07T02:31:34.10 0.3 undecidable manual S 55 19.1697 116 -0.22 72
IV.MML1.HNE. 2022-08-07T02:31:34.04 0.1 undecidable manual P 339 37.1295 50 -0.23 93
IV.SAP2.EHZ. 2022-08-07T02:31:34.89 0.3 undecidable manual P 33 39.3273 50 0.28 68
IV.ARRO.EHZ. 2022-08-07T02:31:34.39 0.3 undecidable manual P 231 38.7279 50 -0.12 71
IV.GUMA.HHZ. 2022-08-07T02:31:33.77 0.3 undecidable manual P 29 33.4443 50 0.08 72
7F.SIB1.EHE. 2022-08-07T02:31:33.10 0.3 undecidable manual S 47 15.2736 122 -0.03 75
IV.CAMP.HHZ. 2022-08-07T02:31:33.94 0.1 undecidable manual P 142 36.9297 50 -0.29 91
IV.CSP1.EHZ. 2022-08-07T02:31:33.35 0.1 undecidable manual P 10 32.8449 50 -0.26 93
IV.MF5.EHZ. 2022-08-07T02:31:33.95 0.1 undecidable manual P 52 33.744 50 0.21 93
7F.SIB2.EHE. 2022-08-07T02:31:33.40 0.3 undecidable manual S 54 17.1717 119 -0.28 71
IV.RM33.EHZ. 2022-08-07T02:31:33.35 0.3 undecidable manual P 168 32.9448 50 -0.27 69
IV.CESI.HHZ. 2022-08-07T02:31:32.89 0.3 undecidable manual P 321 29.3484 50 -0.18 71
IV.MC2.EHZ. 2022-08-07T02:31:32.80 0.3 undecidable manual S 20 13.1757 125 0.29 71
IV.FDMO.HHZ. 2022-08-07T02:31:32.36 0.1 undecidable manual P 352 26.4513 109 -0.17 95
IT.MTCL.HGZ. 2022-08-07T02:31:32.00 0.3 undecidable manual P 333 24.0537 111 -0.09 73
7F.SIB3.EHE. 2022-08-07T02:31:32.50 0.3 undecidable manual S 53 13.875 124 -0.22 72
IV.LNSS.HHZ. 2022-08-07T02:31:31.95 0.3 undecidable manual P 199 23.1546 112 0.04 74
IV.MMO1.EHZ. 2022-08-07T02:31:31.18 0.3 undecidable manual P 55 19.1697 116 -0.01 75
IV.GAVE.EHZ. 2022-08-07T02:31:31.99 0.1 undecidable manual P 239 22.8549 112 0.14 97
IV.MTRA.EHZ. 2022-08-07T02:31:31.72 0.3 undecidable manual P 103 21.9669 113 0.03 74
IV.FEMA.HNE. 2022-08-07T02:31:31.31 0.3 undecidable manual P 339 19.2696 116 0.12 73
IV.MC2.EHZ. 2022-08-07T02:31:30.46 0.1 undecidable manual P 20 13.1757 125 0.32 95
IV.NRCA.HHZ. 2022-08-07T02:31:30.30 0.3 undecidable manual S 337 3.996 157 -0.14 75
7F.SIB2.EHE. 2022-08-07T02:31:30.84 0.1 undecidable manual P 54 17.1717 119 0.02 100
7F.SIB3.EHE. 2022-08-07T02:31:30.33 0.1 undecidable manual P 53 13.875 124 0.07 100
7F.SIB1.EHE. 2022-08-07T02:31:30.68 0.1 undecidable manual P 47 15.2736 122 0.18 97
IV.NRCA.HHZ. 2022-08-07T02:31:29.14 0.1 undecidable manual P 337 3.996 157 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.7 0.00886 0.1 AML other m 2022-08-07T02:31:30.38
IV.NRCA.HHN. ML:2.8 0.0107 0.1 AML other m 2022-08-07T02:31:30.43
IV.NRCA.HNN. ML:2.7 0.00901 0.1 AML other m 2022-08-07T02:31:30.43
IV.NRCA.HHE. ML:2.7 0.009175 0.14 AML other m 2022-08-07T02:31:30.50
IV.MC2.EHN. ML:2.4 0.0027 0.18 AML other m 2022-08-07T02:31:33.24
IV.MC2.EHE. ML:2.3 0.00228 0.62 AML other m 2022-08-07T02:31:33.65
IV.MMO1.EHN. ML:2.2 0.001335 0.38 AML other m 2022-08-07T02:31:34.85
IV.MTRA.EHE. ML:1.9 0.0005645 1.28 AML other m 2022-08-07T02:31:35.30
IV.MTRA.EHN. ML:1.8 0.00043 0.2 AML other m 2022-08-07T02:31:35.61
IV.MMO1.EHE. ML:2.0 0.0008334999999999999 1.58 AML other m 2022-08-07T02:31:35.16
IT.MTCL.HGN. ML:3.7 0.03385 1.48 AML other m 2022-08-07T02:31:36.04
IV.LNSS.HHE. ML:2.2 0.0010025 0.26 AML other m 2022-08-07T02:31:36.20
IV.MTRA.HNN. ML:1.8 0.00045499999999999995 0.66 AML other m 2022-08-07T02:31:36.61
IV.LNSS.HHN. ML:2.2 0.0009435 0.16 AML other m 2022-08-07T02:31:36.26
IV.GAVE.EHN. ML:2.0 0.0006799999999999999 0.22 AML other m 2022-08-07T02:31:36.52
IV.MTRA.HNE. ML:1.9 0.000513 0.54 AML other m 2022-08-07T02:31:36.67
IT.MTCL.HGE. ML:3.7 0.03015 0.94 AML other m 2022-08-07T02:31:36.39
IV.GAVE.EHE. ML:2.1 0.000848 0.18 AML other m 2022-08-07T02:31:37.35
IV.CESI.HHN. ML:2.1 0.0006005 1.6 AML other m 2022-08-07T02:31:37.81
IV.CESI.HHE. ML:2.0 0.000439 0.48 AML other m 2022-08-07T02:31:37.82
IV.CSP1.EHE. ML:1.8 0.0002675 0.56 AML other m 2022-08-07T02:31:39.09
IV.RM33.EHN. ML:1.5 0.000131 0.18 AML other m 2022-08-07T02:31:39.49
IV.GUMA.HNE. ML:2.0 0.00040849999999999995 0.24 AML other m 2022-08-07T02:31:39.68
IV.GUMA.HHE. ML:2.1 0.0005105 0.26 AML other m 2022-08-07T02:31:39.57
IV.CAMP.HHE. ML:1.6 0.000161 0.18 AML other m 2022-08-07T02:31:39.70
IV.RM33.EHE. ML:1.5 0.0001475 0.1 AML other m 2022-08-07T02:31:39.77
IV.CAMP.HHN. ML:1.3 0.0000713 0.72 AML other m 2022-08-07T02:31:39.80
IV.GUMA.HNN. ML:2.0 0.0004425 1.5 AML other m 2022-08-07T02:31:40.80
IV.GUMA.HHN. ML:2.0 0.000451 1.46 AML other m 2022-08-07T02:31:40.05
IV.ARRO.EHE. ML:1.5 0.00011999999999999999 0.24 AML other m 2022-08-07T02:31:41.37
IV.TERO.HHE. ML:1.6 0.0001305 0.52 AML other m 2022-08-07T02:31:41.56
IV.CSP1.EHN. ML:1.9 0.000381 0.56 AML other m 2022-08-07T02:31:41.60
IV.TERO.HHN. ML:1.7 0.000157 0.1 AML other m 2022-08-07T02:31:41.83
IV.ARRO.EHN. ML:1.6 0.0001505 0.18 AML other m 2022-08-07T02:31:42.25
IV.SAP2.EHN. ML:2.6 0.0012900000000000001 0.26 AML other m 2022-08-07T02:31:42.22
IV.ASSB.HHE. ML:1.7 0.000128 0.1 AML other m 2022-08-07T02:31:43.19
IV.GIGS.HHN. ML:0.9 0.0000213 1.02 AML other m 2022-08-07T02:31:43.97
IV.ASSB.HHN. ML:1.6 0.000104 0.12 AML other m 2022-08-07T02:31:44.26
IV.GIGS.HHE. ML:1.0 0.0000229 0.18 AML other m 2022-08-07T02:31:44.55
IV.SAP2.EHE. ML:1.8 0.0002155 0.68 AML other m 2022-08-07T02:31:44.23
IV.CESX.HHN. ML:1.4 0.0000707 0.68 AML other m 2022-08-07T02:31:44.25
IV.MOMA.HHE. ML:1.6 0.0001185 0.44 AML other m 2022-08-07T02:31:44.86
IV.MOMA.HHN. ML:1.4 0.00008075 1.04 AML other m 2022-08-07T02:31:44.73
IV.SNTG.HHE. ML:1.6 0.0000885 0.1 AML other m 2022-08-07T02:31:45.22
IV.MNTT.EHE. ML:2.1 0.000357 0.8 AML other m 2022-08-07T02:31:45.75
IV.CESX.HHE. ML:1.2 0.0000457 1.3 AML other m 2022-08-07T02:31:45.98
IV.SNTG.HHN. ML:1.4 0.00006429999999999999 1.06 AML other m 2022-08-07T02:31:46.06
IV.FIAM.HHE. ML:1.5 0.00006765 0.26 AML other m 2022-08-07T02:31:46.70
IV.ATCC.EHE. ML:1.6 0.00009075 1.42 AML other m 2022-08-07T02:31:46.19
IV.FIAM.HHN. ML:1.4 0.00005515 0.16 AML other m 2022-08-07T02:31:47.03
IV.ATCC.EHN. ML:1.7 0.00010925000000000001 1.36 AML other m 2022-08-07T02:31:47.83
IV.MNTT.EHN. ML:2.0 0.000282 0.22 AML other m 2022-08-07T02:31:48.29
IV.CING.HHE. ML:1.6 0.000077 0.58 AML other m 2022-08-07T02:31:48.14
IV.EL6.EHE. ML:1.8 0.00015150000000000002 0.66 AML other m 2022-08-07T02:31:49.08
IV.EL6.EHN. ML:1.8 0.00012859999999999998 1.22 AML other m 2022-08-07T02:31:49.76
IV.CING.HHN. ML:1.5 0.00005965 0.7 AML other m 2022-08-07T02:31:52.03
IV.SSFR.HHN. ML:1.9 0.0001114 0.22 AML other m 2022-08-07T02:31:52.94
IV.SSFR.HHE. ML:1.8 0.00009735 1.14 AML other m 2022-08-07T02:31:53.20
IV.T0110.HHE. ML:1.5 0.0000447 1.26 AML other m 2022-08-07T02:32:00.29
IV.T0110.HHN. ML:1.5 0.00004375 1.58 AML other m 2022-08-07T02:32:08.05
IV.MF5.EHE. ML:1.6 0.00018209704999999998 0.3392 AML other m 2022-08-07T02:31:39.71
IV.MF5.EHN. ML:1.7 0.00021941075 0.4608 AML other m 2022-08-07T02:31:39.42
IV.FOSV.EHN. ML:1.6 0.00007209318500000001 0.24 AML other m 2022-08-07T02:31:49.03
IV.SSFR.HNN. ML:2.0 0.00014536975 0.1392 AML other m 2022-08-07T02:31:52.94
IV.ARVD.HHE. ML:1.4 0.000035441520000000004 0.16 AML other m 2022-08-07T02:31:52.68
IV.ARVD.HHN. ML:1.2 0.000024057555000000002 0.0992 AML other m 2022-08-07T02:31:52.83
IV.MPAG.EHE. ML:1.5 0.000030838985 0.1392 AML other m 2022-08-07T02:31:58.41
IV.MPAG.EHN. ML:1.4 0.000025411827499999998 0.1792 AML other m 2022-08-07T02:31:58.34
IV.PIEI.HHE. ML:1.4 0.000022905355000000003 0.3408 AML other m 2022-08-07T02:31:57.27
IV.PIEI.HHN. ML:1.0 0.000012493 0.32 AML other m 2022-08-07T02:31:56.96
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