Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-08-2022 and time 02:41:02 (UTC) in region 4 km SE Vallo di Nera (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km SE Vallo di Nera (PG), on

  • 22-08-2022 02:41:02 (UTC)
  • 22-08-2022 04:41:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 12.8900 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
Vallo di Nera PG 4 364 364
Sant'Anatolia di Narco PG 5 564 928
Poggiodomo PG 5 117 1045
Scheggino PG 6 461 1506
Cerreto di Spoleto PG 9 1075 2581
Cascia PG 11 3217 5798
Monteleone di Spoleto PG 11 599 6397
Spoleto PG 12 38218 44615
Campello sul Clitunno PG 13 2442 47057
Ferentillo TR 16 1913 48970
Sellano PG 17 1079 50049
Norcia PG 18 4957 55006
Polino TR 18 233 55239
Trevi PG 19 8469 63708
Montefranco TR 19 1276 64984
Preci PG 19 724 65708
Castel Ritaldi PG 20 3278 68986

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SE of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
67 Km W of Teramo (54892 inhabitants)
74 Km NE of Viterbo (67173 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
100 Km NE of Roma (2864731 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 1.7 2022-08-22
02:41:02		 42.744 12.8902 10 2023-01-31
19:03:55		 Bollettino Sismico Italiano INGV 111482841
Reviewed
Rev100 		ML 1.8 2022-08-22
02:41:02		 42.754 12.883 11 2022-08-22
02:52:44		 Sala Sismica INGV-Roma 108809761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-22 02:41:02 ± 0.06
Latitude 42.7440 ± 0.0027
Longitude 12.8902 ± 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 111482841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
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 65
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89483
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 108809761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-22 02:52:44

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 111482841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-04 16:20:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-08-22T02:41:34.87 3.0 negative manual Pn 1.79 0
IV.ARVD.HHZ. 2022-08-22T02:41:27.86 0.3 undecidable manual S 3 83.7495 50 0.71 56
IV.SSFR.HHZ. 2022-08-22T02:41:26.22 0.3 undecidable manual S 354 77.2671 50 0.8 55
IV.CING.HHZ. 2022-08-22T02:41:25.46 0.3 undecidable manual S 19 74.2701 50 0.83 54
IV.ATFO.HHZ. 2022-08-22T02:41:25.27 0.3 undecidable manual S 340 73.7706 50 0.79 55
IV.EL6.EHZ. 2022-08-22T02:41:23.23 0.3 undecidable manual S 15 67.1772 50 0.51 62
IV.MURB.HHZ. 2022-08-22T02:41:22.86 0.3 undecidable manual S 333 64.7907 50 0.78 56
IV.SNTG.HHZ. 2022-08-22T02:41:20.34 0.3 undecidable manual S 4 56.7987 50 0.38 66
IV.FIAM.HHZ. 2022-08-22T02:41:19.92 0.3 undecidable manual S 161 55.9995 50 0.19 68
IV.ATCC.EHZ. 2022-08-22T02:41:19.17 0.3 undecidable manual S 338 53.0025 50 0.23 68
IV.GUMA.HHZ. 2022-08-22T02:41:19.14 0.3 undecidable manual S 45 50.616 50 0.85 56
IV.NARO.HHZ. 2022-08-22T02:41:18.85 0.6 undecidable manual P 346 99.3228 50 -0.16 42
IV.CAFI.HHZ. 2022-08-22T02:41:18.77 1.0 undecidable manual P 311 99.123 50 -0.2 21
IV.CSP1.EHZ. 2022-08-22T02:41:17.31 0.3 undecidable manual S 33 46.3203 50 0.16 70
IV.ATPI.EHZ. 2022-08-22T02:41:17.42 0.6 undecidable manual P 333 87.7455 50 0.2 43
IV.FRON.EHZ. 2022-08-22T02:41:16.97 0.3 undecidable manual P 351 86.8464 50 -0.11 66
IV.ARVD.HHZ. 2022-08-22T02:41:16.42 0.3 undecidable manual P 3 83.7495 50 -0.18 65
IV.CING.HHZ. 2022-08-22T02:41:15.10 0.1 undecidable manual P 19 74.2701 50 -0.04 91
IV.SSFR.HHZ. 2022-08-22T02:41:15.54 0.3 undecidable manual P 354 77.2671 50 -0.06 67
IV.RM33.EHZ. 2022-08-22T02:41:15.09 0.3 undecidable manual S 134 37.1295 50 0.38 68
IV.MMO1.EHZ. 2022-08-22T02:41:15.30 0.3 undecidable manual S 64 39.5271 50 -0.03 73
IV.MML1.EHZ. 2022-08-22T02:41:15.76 0.3 undecidable manual S 9 41.5251 50 -0.12 71
IV.ASSB.HHZ. 2022-08-22T02:41:14.45 0.3 undecidable manual S 330 38.1285 50 -0.51 66
IV.ATFO.HHZ. 2022-08-22T02:41:14.95 0.6 undecidable manual P 340 73.7706 50 -0.11 45
7F.SIB2.EHE. 2022-08-22T02:41:14.52 0.3 undecidable manual S 64 37.4292 50 -0.26 70
IV.FDMO.HHZ. 2022-08-22T02:41:14.20 0.3 undecidable manual S 26 36.2415 50 -0.25 70
7F.SIB1.EHE. 2022-08-22T02:41:13.94 0.3 undecidable manual S 61 35.1426 50 -0.23 70
IV.MURB.HHZ. 2022-08-22T02:41:13.73 0.6 undecidable manual P 333 64.7907 50 0.06 46
IV.MC2.EHZ. 2022-08-22T02:41:13.13 0.3 undecidable manual S 53 30.5472 50 0.17 72
IV.TERO.HHZ. 2022-08-22T02:41:13.28 1.0 undecidable manual P 103 59.6958 50 0.38 22
IV.EL6.EHZ. 2022-08-22T02:41:13.94 0.1 positive manual P 15 67.1772 50 -0.1 91
7F.SIB3.EHN. 2022-08-22T02:41:13.43 0.3 undecidable manual S 65 34.1436 50 -0.48 67
IV.CESI.HHZ. 2022-08-22T02:41:12.26 0.6 undecidable manual S 2 28.9488 50 -0.26 47
IV.SNTG.HHZ. 2022-08-22T02:41:12.13 0.1 undecidable manual P 4 56.7987 50 -0.32 89
IV.MOMA.HNZ. 2022-08-22T02:41:12.02 0.3 undecidable manual S 284 26.8509 50 0.05 74
IT.FOPC.HGZ. 2022-08-22T02:41:12.27 0.3 undecidable manual S 329 29.3484 50 -0.34 69
IV.FIAM.HHZ. 2022-08-22T02:41:12.33 0.1 undecidable manual P 161 55.9995 50 0.01 95
IV.CESX.HHZ. 2022-08-22T02:41:12.22 0.3 undecidable manual S 239 28.9488 50 -0.3 70
IT.MTCL.HGZ. 2022-08-22T02:41:12.16 0.3 undecidable manual S 18 29.1486 50 -0.4 69
IV.FEMA.HNZ. 2022-08-22T02:41:11.85 0.3 undecidable manual S 28 27.4503 50 -0.27 71
IV.ATCC.EHZ. 2022-08-22T02:41:11.70 0.1 positive manual P 338 53.0025 50 -0.16 92
IV.GUMA.HHZ. 2022-08-22T02:41:11.76 0.1 undecidable manual P 45 50.616 50 0.27 91
IV.ARRO.EHZ. 2022-08-22T02:41:10.24 0.3 undecidable manual S 209 20.9679 116 -0.06 75
IV.CSP1.EHZ. 2022-08-22T02:41:10.73 0.1 undecidable manual P 33 46.3203 50 -0.1 95
IV.NRCA.HHZ. 2022-08-22T02:41:10.03 0.3 undecidable manual S 61 20.7681 117 -0.23 72
IV.FDMO.HHZ. 2022-08-22T02:41:09.11 0.1 positive manual P 26 36.2415 50 -0.16 95
IV.MML1.EHZ. 2022-08-22T02:41:09.94 0.1 positive manual P 9 41.5251 50 -0.15 94
7F.SIB1.EHE. 2022-08-22T02:41:09.09 0.1 undecidable manual P 61 35.1426 50 -0.02 98
IV.ASSB.HHZ. 2022-08-22T02:41:09.28 0.1 positive manual P 330 38.1285 50 -0.28 92
IV.RM33.EHZ. 2022-08-22T02:41:09.48 0.1 undecidable manual P 134 37.1295 50 0.06 97
7F.SIB2.EHE. 2022-08-22T02:41:09.31 0.1 undecidable manual P 64 37.4292 50 -0.15 95
IV.MMO1.EHZ. 2022-08-22T02:41:09.73 0.1 positive manual P 64 39.5271 50 -0.05 97
7F.SIB3.EHN. 2022-08-22T02:41:08.81 0.1 undecidable manual P 65 34.1436 50 -0.15 96
IV.CESI.HHZ. 2022-08-22T02:41:08.02 0.1 positive manual P 2 28.9488 50 -0.14 97
IT.FOPC.HGZ. 2022-08-22T02:41:08.04 0.3 undecidable manual P 329 29.3484 50 -0.17 72
IV.CESX.HHZ. 2022-08-22T02:41:08.01 0.3 undecidable manual P 239 28.9488 50 -0.14 72
IV.MC2.EHZ. 2022-08-22T02:41:08.40 0.1 undecidable manual P 53 30.5472 50 -0.01 99
IT.MTCL.HGZ. 2022-08-22T02:41:07.97 0.3 undecidable manual P 18 29.1486 50 -0.21 71
IV.FEMA.HNZ. 2022-08-22T02:41:07.85 0.3 undecidable manual P 28 27.4503 50 -0.08 74
IV.ARRO.EHZ. 2022-08-22T02:41:07.02 0.1 positive manual P 209 20.9679 116 0.15 98
IV.MOMA.HNZ. 2022-08-22T02:41:07.72 0.1 positive manual P 284 26.8509 50 -0.12 98
IT.GNU.HGZ. 2022-08-22T02:41:07.74 1.0 undecidable manual P 284 26.8509 50 -0.1 24
IV.NRCA.HHZ. 2022-08-22T02:41:06.80 0.1 positive manual P 61 20.7681 117 -0.05 100
IV.GAVE.HNZ. 2022-08-22T02:41:06.58 0.3 undecidable manual S 177 5.7942 151 0.26 74
IV.GAVE.HNZ. 2022-08-22T02:41:04.97 0.1 positive manual P 177 5.7942 151 0.39 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.1 0.0008802725 0.16 AML other m 2022-08-22T02:41:10.14
IV.NRCA.HNE. ML:2.1 0.0008687125500000001 0.1712 AML other m 2022-08-22T02:41:10.14
IV.NRCA.HNN. ML:2.1 0.0009725 0.38 AML other m 2022-08-22T02:41:10.38
IV.NRCA.HHN. ML:2.2 0.0010795 0.1 AML other m 2022-08-22T02:41:10.38
IV.ARRO.EHN. ML:1.6 0.000308 0.18 AML other m 2022-08-22T02:41:10.67
IV.ARRO.EHE. ML:1.5 0.00023299999999999997 1.82 AML other m 2022-08-22T02:41:11.05
IV.CESI.HHE. ML:1.9 0.0003876643 0.1008 AML other m 2022-08-22T02:41:12.74
IV.CESI.HHN. ML:2.0 0.00050917695 0.2192 AML other m 2022-08-22T02:41:12.88
IV.CESX.HHN. ML:1.5 0.0001618333 0.2 AML other m 2022-08-22T02:41:14.29
IV.CESX.HHE. ML:1.6 0.00019934720000000001 0.1808 AML other m 2022-08-22T02:41:14.29
IV.MC2.EHN. ML:1.9 0.00039936510000000003 0.1792 AML other m 2022-08-22T02:41:14.52
IV.FDMO.HHE. ML:1.8 0.000222028 0.1808 AML other m 2022-08-22T02:41:14.43
IV.FDMO.HHN. ML:1.7 0.00021271485000000002 0.1408 AML other m 2022-08-22T02:41:16.19
IV.ASSB.HHE. ML:1.8 0.00022993550000000002 0.1408 AML other m 2022-08-22T02:41:15.16
IV.ASSB.HHN. ML:1.8 0.000246119 0.12 AML other m 2022-08-22T02:41:15.68
IV.MMO1.EHN. ML:1.8 0.0001995 0.16 AML other m 2022-08-22T02:41:15.58
IV.MC2.EHE. ML:1.8 0.00032039448 0.12 AML other m 2022-08-22T02:41:14.86
IV.MMO1.EHE. ML:1.8 0.00024606775 0.16 AML other m 2022-08-22T02:41:15.58
IV.RM33.EHN. ML:1.4 0.00010362324000000001 0.24 AML other m 2022-08-22T02:41:16.54
IV.RM33.EHE. ML:1.5 0.00012764155 0.16 AML other m 2022-08-22T02:41:16.52
IV.MML1.EHN. ML:1.8 0.00021112930000000003 0.1792 AML other m 2022-08-22T02:41:16.53
IV.CSP1.EHN. ML:1.8 0.0001835 1.24 AML other m 2022-08-22T02:41:17.35
IV.MML1.EHE. ML:1.7 0.0001611048 0.1392 AML other m 2022-08-22T02:41:16.40
IV.CSP1.EHE. ML:1.8 0.000162922765 0.1008 AML other m 2022-08-22T02:41:18.48
IV.ATCC.EHN. ML:1.7 0.00011576073 0.12 AML other m 2022-08-22T02:41:20.22
IV.ATCC.EHE. ML:1.6 0.000096630055 0.12 AML other m 2022-08-22T02:41:21.20
IV.SNTG.HHE. ML:1.6 0.0000923 0.12 AML other m 2022-08-22T02:41:21.14
IV.SNTG.HHN. ML:1.6 0.00008535000000000001 0.14 AML other m 2022-08-22T02:41:21.09
IV.FIAM.HHE. ML:1.4 0.000052291845 0.16 AML other m 2022-08-22T02:41:22.57
IV.GUMA.HHN. ML:1.7 0.00013429252 0.32 AML other m 2022-08-22T02:41:21.83
IV.FIAM.HHN. ML:1.2 0.00004139584 0.2 AML other m 2022-08-22T02:41:22.09
IV.GUMA.HHE. ML:1.8 0.00014632915 0.2992 AML other m 2022-08-22T02:41:22.06
IV.EL6.EHN. ML:1.8 0.000123877345 0.12 AML other m 2022-08-22T02:41:24.27
IV.EL6.EHE. ML:2.0 0.00017099999999999998 0.14 AML other m 2022-08-22T02:41:24.48
IV.MURB.HHE. ML:2.0 0.00017990845 0.2608 AML other m 2022-08-22T02:41:24.58
IV.MURB.HHN. ML:1.9 0.00015220814999999997 0.1808 AML other m 2022-08-22T02:41:25.28
IV.CING.HHN. ML:1.4 0.00003719118 0.1008 AML other m 2022-08-22T02:41:26.27
IV.CING.HHE. ML:1.4 0.000038731735 0.0816 AML other m 2022-08-22T02:41:26.52
IV.SSFR.HHN. ML:1.6 0.000057482069999999994 0.2 AML other m 2022-08-22T02:41:26.96
IV.SSFR.HHE. ML:1.5 0.00004823169500000001 0.2 AML other m 2022-08-22T02:41:27.04
IV.ARVD.HHE. ML:1.5 0.00003985 0.12 AML other m 2022-08-22T02:41:29.36
IV.ARVD.HHN. ML:1.1 0.000015539674999999998 0.1808 AML other m 2022-08-22T02:41:30.99
IV.CESI.HNN. ML:2.0 0.0004939963499999999 0.2096 AML other m 2022-08-22T02:41:12.99
IV.CESI.HNE. ML:1.9 0.00037765834999999997 0.1008 AML other m 2022-08-22T02:41:12.74
IV.RM33.HNE. ML:1.6 0.00014100780500000002 0.16 AML other m 2022-08-22T02:41:16.33
IV.RM33.HNN. ML:1.5 0.00010858239499999999 0.12 AML other m 2022-08-22T02:41:15.98
IV.MML1.HNE. ML:1.8 0.00018587320000000001 0.1888 AML other m 2022-08-22T02:41:18.10
IV.MML1.HNN. ML:1.8 0.00021717579999999998 0.1904 AML other m 2022-08-22T02:41:16.52
IV.ATCC.HNE. ML:1.7 0.00012176305 0.1392 AML other m 2022-08-22T02:41:21.20
IV.ATCC.HNN. ML:1.7 0.00012393788 0.1312 AML other m 2022-08-22T02:41:20.21
IV.SNTG.HNN. ML:1.5 0.00007539111500000001 0.0992 AML other m 2022-08-22T02:41:21.09
IV.SNTG.HNE. ML:1.7 0.00011269764499999999 0.1296 AML other m 2022-08-22T02:41:21.14
IV.MURB.HNN. ML:1.9 0.0001449817 0.2 AML other m 2022-08-22T02:41:25.90
IV.MURB.HNE. ML:2.0 0.00019909105 0.2112 AML other m 2022-08-22T02:41:23.59
IV.SSFR.HNE. ML:1.6 0.00005988189 0.2304 AML other m 2022-08-22T02:41:26.26
IV.SSFR.HNN. ML:1.6 0.00005534843 0.12 AML other m 2022-08-22T02:41:26.95
IV.FRON.EHN. ML:1.1 0.00001639116 0.0992 AML other m 2022-08-22T02:41:31.14
IV.FRON.EHE. ML:1.2 0.000017748732 0.1808 AML other m 2022-08-22T02:41:31.68
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