Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 05-07-2021 and time 03:54:06 (UTC) in region 3 km NE Norcia (PG)

A magnitude ML 2.2 earthquake occured in region: 3 km NE Norcia (PG), on

  • 05-07-2021 03:54:06 (UTC)
  • 05-07-2021 05:54:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8160, 13.1200 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 9 281 5238
Preci PG 10 724 5962
Visso MC 13 1107 7069
Cascia PG 14 3217 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 15 1178 11908
Cerreto di Spoleto PG 17 1075 12983
Accumoli RI 17 667 13650
Montegallo AP 18 523 14173
Sellano PG 18 1079 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 19 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
100 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 2.2 2021-07-05
03:54:06		 42.8158 13.1203 9 2021-12-29
11:12:24		 Bollettino Sismico Italiano INGV 94912191
Reviewed
Rev100 		ML 2.2 2021-07-05
03:54:06		 42.8163 13.121 9 2021-07-05
04:02:48		 Sala Sismica INGV-Roma 92251881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-05 03:54:06 ± 0.04
Latitude 42.8158 ± 0.0018
Longitude 13.1203 ± 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 94912191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 213
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
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) 33
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 63
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) 0.75993
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 65
Type of magnitude ML
Reference to an origin 94912191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-08 13:53:36

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 65
Type of magnitude ML
Reference to an origin 92251881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-05 04:02:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2021-07-05T03:54:41.12 3.0 undecidable manual Pn -0.64 0
IV.ATCC.EHZ. 2021-07-05T03:54:25.43 0.6 undecidable manual S 317 56.499 50 0.39 43
IV.EL6.EHZ. 2021-07-05T03:54:25.54 0.6 undecidable manual S 358 56.9985 50 0.39 43
IV.MNTT.EHZ. 2021-07-05T03:54:24.41 0.6 undecidable manual S 55 47.3193 50 1.84 21
IV.CESX.HHE. 2021-07-05T03:54:23.15 0.6 undecidable manual S 242 49.2174 50 0.08 47
IV.MOMA.HNZ. 2021-07-05T03:54:22.22 0.6 undecidable manual S 268 44.8218 50 0.32 45
IT.GNU.HGE. 2021-07-05T03:54:22.24 0.6 undecidable manual S 268 44.8218 50 0.34 45
IV.MGAB.HHZ. 2021-07-05T03:54:21.88 1.0 undecidable manual P 278 82.6506 50 0.47 20
IV.TERO.HHZ. 2021-07-05T03:54:21.36 0.6 undecidable manual S 118 44.8218 50 -0.56 42
IV.T0110.HHZ. 2021-07-05T03:54:21.64 0.3 undecidable manual P 140 84.3489 50 -0.02 67
IV.ASSB.HHN. 2021-07-05T03:54:21.77 0.6 undecidable manual S 304 45.1215 50 -0.22 46
IV.ARRO.EHZ. 2021-07-05T03:54:20.36 0.6 undecidable manual S 228 39.0276 50 -0.01 49
IV.VCEL.EHZ. 2021-07-05T03:54:20.55 0.3 undecidable manual P 128 75.1692 50 0.31 64
IV.SAP2.EHZ. 2021-07-05T03:54:20.57 0.3 undecidable manual S 36 38.5281 50 0.35 68
IV.FAGN.HHZ. 2021-07-05T03:54:20.26 0.3 undecidable manual P 148 71.8725 50 0.52 61
IV.ARVD.HHZ. 2021-07-05T03:54:20.59 0.3 undecidable manual P 349 77.0673 50 0.05 67
IV.MF5.EHZ. 2021-07-05T03:54:19.05 1.0 undecidable manual S 55 33.5442 50 0.16 24
IV.CAMP.HHZ. 2021-07-05T03:54:19.76 0.3 undecidable manual S 143 38.9277 50 -0.59 63
IV.MURB.HHZ. 2021-07-05T03:54:19.54 0.3 undecidable manual P 316 69.2751 50 0.2 66
IV.GUMA.HHZ. 2021-07-05T03:54:18.65 0.3 undecidable manual S 32 32.4453 105 0.08 73
IV.MML1.HNE. 2021-07-05T03:54:18.80 0.6 undecidable manual S 340 35.1426 50 -0.53 44
IV.RM33.EHZ. 2021-07-05T03:54:18.81 0.3 undecidable manual S 167 34.9428 50 -0.45 67
IV.CING.HHZ. 2021-07-05T03:54:18.20 0.3 undecidable manual P 6 62.3931 50 -0.08 69
IV.EL6.EHZ. 2021-07-05T03:54:17.20 0.3 undecidable manual P 358 56.9985 50 -0.25 67
IV.FIAM.HHZ. 2021-07-05T03:54:17.79 0.3 undecidable manual P 180 60.7947 50 -0.24 67
IV.ATCC.EHZ. 2021-07-05T03:54:17.33 0.3 undecidable manual P 317 56.499 50 -0.05 70
IV.CSP1.EHZ. 2021-07-05T03:54:17.75 0.3 undecidable manual S 13 31.3464 105 -0.46 67
IV.OFFI.HHZ. 2021-07-05T03:54:16.69 0.3 undecidable manual P 74 47.8188 50 0.65 61
IV.SMA1.EHZ. 2021-07-05T03:54:16.70 0.6 undecidable manual S 139 27.0507 108 -0.05 49
IV.CESI.HHZ. 2021-07-05T03:54:16.63 0.3 undecidable manual S 320 27.3504 107 -0.23 71
IV.MNTT.EHZ. 2021-07-05T03:54:16.54 0.1 undecidable manual P 55 47.3193 50 0.59 83
IV.T1299.HNN. 2021-07-05T03:54:16.30 0.6 undecidable manual S 147 24.0537 110 0.51 45
IV.TERO.HHZ. 2021-07-05T03:54:15.11 0.3 undecidable manual P 118 44.8218 50 -0.47 65
IV.CESX.HHE. 2021-07-05T03:54:15.99 0.1 undecidable manual P 242 49.2174 50 -0.26 91
IV.ASSB.HHN. 2021-07-05T03:54:15.32 0.1 undecidable manual P 304 45.1215 50 -0.3 90
IV.LNSS.HHZ. 2021-07-05T03:54:15.91 0.3 undecidable manual S 195 24.4533 109 -0.02 75
IT.GNU.HGE. 2021-07-05T03:54:15.96 0.3 undecidable manual P 268 44.8218 50 0.39 66
IV.MTRA.EHZ. 2021-07-05T03:54:15.40 0.3 undecidable manual S 106 23.4543 110 -0.17 72
IV.GAVE.EHZ. 2021-07-05T03:54:15.58 0.3 undecidable manual S 233 22.9548 110 0.16 73
IV.MOMA.HNZ. 2021-07-05T03:54:15.46 0.1 undecidable manual P 268 44.8218 50 -0.11 94
IV.FDMO.HHZ. 2021-07-05T03:54:15.64 0.6 undecidable manual S 354 24.6531 109 -0.33 47
IV.MMO1.EHZ. 2021-07-05T03:54:14.01 0.3 undecidable manual S 61 19.1697 114 -0.2 72
IT.MTCL.HGZ. 2021-07-05T03:54:14.87 0.6 undecidable manual S 334 22.0668 111 -0.26 47
IV.CAMP.HHZ. 2021-07-05T03:54:14.32 0.1 undecidable manual P 143 38.9277 50 -0.35 90
IV.ARRO.EHZ. 2021-07-05T03:54:14.50 0.1 undecidable manual P 228 39.0276 50 -0.18 94
IV.SAP2.EHZ. 2021-07-05T03:54:14.74 0.1 undecidable manual P 36 38.5281 50 0.14 95
IV.RM33.EHZ. 2021-07-05T03:54:13.91 0.1 undecidable manual P 167 34.9428 50 -0.13 95
IV.FEMA.HNE. 2021-07-05T03:54:13.70 0.6 undecidable manual S 341 17.1717 116 0.11 49
IV.CSP1.EHZ. 2021-07-05T03:54:13.12 0.1 undecidable manual P 13 31.3464 105 -0.32 92
IV.GUMA.HHZ. 2021-07-05T03:54:13.61 0.1 undecidable manual P 32 32.4453 105 -0.04 98
IV.MF5.EHZ. 2021-07-05T03:54:13.83 0.3 undecidable manual P 55 33.5442 50 0 74
IV.MML1.HNE. 2021-07-05T03:54:13.85 0.1 undecidable manual P 340 35.1426 50 -0.23 93
IV.GAVE.EHZ. 2021-07-05T03:54:12.08 0.1 undecidable manual P 233 22.9548 110 0.25 95
IV.CESI.HHZ. 2021-07-05T03:54:12.62 0.1 undecidable manual P 320 27.3504 107 -0.04 98
IV.FDMO.HHZ. 2021-07-05T03:54:12.09 0.1 undecidable manual P 354 24.6531 109 -0.05 99
IV.T1299.HNN. 2021-07-05T03:54:12.35 0.1 undecidable manual P 147 24.0537 110 0.31 94
IV.LNSS.HHZ. 2021-07-05T03:54:12.21 0.1 undecidable manual P 195 24.4533 109 0.09 98
IV.SMA1.EHZ. 2021-07-05T03:54:12.56 0.1 undecidable manual P 139 27.0507 108 -0.04 99
IV.MMO1.EHZ. 2021-07-05T03:54:11.16 0.1 undecidable manual P 61 19.1697 114 0.03 100
IV.FEMA.HNE. 2021-07-05T03:54:11.01 0.3 undecidable manual P 341 17.1717 116 0.24 72
IT.MTCL.HGZ. 2021-07-05T03:54:11.73 0.1 undecidable manual P 334 22.0668 111 0.07 99
IV.MTRA.EHZ. 2021-07-05T03:54:11.91 0.1 undecidable manual P 106 23.4543 110 -0.01 100
IV.NRCA.HNZ. 2021-07-05T03:54:09.86 0.3 undecidable manual S 346 1.998 167 -0.11 76
IV.NRCA.HNZ. 2021-07-05T03:54:08.97 0.1 undecidable manual P 346 1.998 167 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.9 0.00577 1.76 AML other m 2021-07-05T03:54:16.02
IV.MTRA.HNE. ML:2.9 0.005755 1.76 AML other m 2021-07-05T03:54:16.02
IV.MTRA.HNN. ML:3.0 0.0062050000000000004 0.24 AML other m 2021-07-05T03:54:16.04
IV.MTRA.EHN. ML:3.0 0.0062900000000000005 0.24 AML other m 2021-07-05T03:54:16.05
IV.GAVE.EHN. ML:2.5 0.00226 0.12 AML other m 2021-07-05T03:54:16.51
IV.LNSS.HHE. ML:2.6 0.0022649999999999997 0.92 AML other m 2021-07-05T03:54:16.75
IV.FDMO.HHN. ML:1.8 0.000413 0.24 AML other m 2021-07-05T03:54:16.98
IV.GAVE.EHE. ML:2.6 0.0028450000000000003 0.64 AML other m 2021-07-05T03:54:17.03
IV.GAVE.HNE. ML:2.6 0.002935 0.64 AML other m 2021-07-05T03:54:17.35
IV.CESI.HHE. ML:2.1 0.0007019999999999999 0.44 AML other m 2021-07-05T03:54:17.27
IV.CESI.HNE. ML:2.1 0.0007109999999999999 0.44 AML other m 2021-07-05T03:54:17.27
IV.GAVE.HNN. ML:2.0 0.000633 0.84 AML other m 2021-07-05T03:54:17.15
IV.LNSS.HHN. ML:2.5 0.00216 0.2 AML other m 2021-07-05T03:54:17.35
IV.LNSS.HNN. ML:2.5 0.002125 0.72 AML other m 2021-07-05T03:54:17.25
IV.LNSS.HNE. ML:2.5 0.0020800000000000003 1 AML other m 2021-07-05T03:54:17.45
IV.CESI.HHN. ML:2.1 0.000751 0.86 AML other m 2021-07-05T03:54:17.49
IV.FDMO.HHE. ML:1.8 0.000357 1.3 AML other m 2021-07-05T03:54:18.16
IV.RM33.EHN. ML:2.0 0.000463 0.48 AML other m 2021-07-05T03:54:19.40
IV.CSP1.EHE. ML:2.3 0.000869 0.62 AML other m 2021-07-05T03:54:19.31
IV.SMA1.EHE. ML:2.4 0.0012749999999999999 0.56 AML other m 2021-07-05T03:54:19.77
IV.GUMA.HHN. ML:2.7 0.002185 1.62 AML other m 2021-07-05T03:54:19.95
IV.CSP1.EHN. ML:2.5 0.001395 0.4 AML other m 2021-07-05T03:54:20.07
IV.RM33.HNN. ML:2.1 0.00047650000000000004 0.48 AML other m 2021-07-05T03:54:20.30
IV.CAMP.HHE. ML:2.0 0.00039249999999999995 0.84 AML other m 2021-07-05T03:54:20.03
IV.CAMP.HHN. ML:1.8 0.00021799999999999999 1.18 AML other m 2021-07-05T03:54:20.80
IV.SMA1.EHN. ML:2.3 0.000999 1.6 AML other m 2021-07-05T03:54:20.10
IV.CESI.HNN. ML:2.1 0.000697 0.34 AML other m 2021-07-05T03:54:21.23
IV.TERO.HNN. ML:2.3 0.0006435 0.4 AML other m 2021-07-05T03:54:21.82
IV.GUMA.HHE. ML:2.6 0.0019399999999999999 0.46 AML other m 2021-07-05T03:54:21.83
IV.RM33.HNE. ML:2.0 0.0004295 1.74 AML other m 2021-07-05T03:54:21.10
IV.RM33.EHE. ML:2.0 0.0004355 1.72 AML other m 2021-07-05T03:54:21.11
IV.TERO.HHN. ML:2.4 0.000704 1.6 AML other m 2021-07-05T03:54:22.82
IV.ASSB.HHE. ML:1.9 0.000259 0.26 AML other m 2021-07-05T03:54:22.04
IV.ARRO.EHE. ML:2.0 0.00032399999999999996 0.78 AML other m 2021-07-05T03:54:23.05
IV.ASSB.HHN. ML:2.0 0.0003205 0.3 AML other m 2021-07-05T03:54:23.09
IV.TERO.HNE. ML:2.2 0.0005105 1.4 AML other m 2021-07-05T03:54:23.95
IV.TERO.HHE. ML:2.2 0.00047750000000000006 1.42 AML other m 2021-07-05T03:54:23.25
IV.ARRO.EHN. ML:2.0 0.000382 0.2 AML other m 2021-07-05T03:54:23.53
IV.MOMA.HHN. ML:2.1 0.000384 0.3 AML other m 2021-07-05T03:54:23.57
IV.MOMA.HHE. ML:2.3 0.0006445000000000001 0.2 AML other m 2021-07-05T03:54:23.84
IV.MOMA.HNE. ML:2.3 0.0006129999999999999 0.2 AML other m 2021-07-05T03:54:23.94
IV.SAP2.EHE. ML:2.2 0.0006590000000000001 0.34 AML other m 2021-07-05T03:54:24.22
IV.MNTT.EHN. ML:2.9 0.0020499999999999997 0.32 AML other m 2021-07-05T03:54:24.62
IV.CESX.HHE. ML:2.1 0.0003435 0.6 AML other m 2021-07-05T03:54:25.93
IV.SAP2.EHN. ML:2.9 0.0030099999999999997 0.54 AML other m 2021-07-05T03:54:25.64
IV.MNTT.EHE. ML:3.0 0.0025 1.8 AML other m 2021-07-05T03:54:26.08
IV.CESX.HHN. ML:2.0 0.0002655 0.8 AML other m 2021-07-05T03:54:26.61
IV.FIAM.HHE. ML:1.6 0.0000921 0.58 AML other m 2021-07-05T03:54:26.17
IV.EL6.EHN. ML:2.1 0.000275 0.26 AML other m 2021-07-05T03:54:26.47
IV.EL6.EHE. ML:2.0 0.000208 1.06 AML other m 2021-07-05T03:54:28.61
IV.FIAM.HHN. ML:1.7 0.00010449999999999999 0.52 AML other m 2021-07-05T03:54:29.39
IV.CING.HHE. ML:1.8 0.0001235 1.38 AML other m 2021-07-05T03:54:30.25
IV.FAGN.HHN. ML:2.1 0.0002035 0.28 AML other m 2021-07-05T03:54:31.29
IV.VCEL.EHN. ML:2.2 0.00023899999999999998 1.4 AML other m 2021-07-05T03:54:32.82
IV.FAGN.HHE. ML:2.3 0.0002925 0.24 AML other m 2021-07-05T03:54:33.17
IV.ATCC.EHN. ML:1.9 0.000191 0.42 AML other m 2021-07-05T03:54:33.67
IV.CING.HHN. ML:1.7 0.00009755 0.8 AML other m 2021-07-05T03:54:33.74
IV.ATCC.EHE. ML:1.9 0.00017449999999999999 0.58 AML other m 2021-07-05T03:54:33.70
IV.MURB.HHE. ML:2.3 0.0003435 1.7 AML other m 2021-07-05T03:54:34.01
IV.VCEL.EHE. ML:2.2 0.00021799999999999999 0.44 AML other m 2021-07-05T03:54:34.80
IV.SRES.HHE. ML:1.9 0.0001035 0.28 AML other m 2021-07-05T03:54:34.94
IV.SRES.HHN. ML:1.7 0.00006950000000000001 0.44 AML other m 2021-07-05T03:54:35.50
IV.MURB.HHN. ML:2.4 0.000422 0.32 AML other m 2021-07-05T03:54:37.16
IV.T0110.HHE. ML:2.2 0.0001955 1.38 AML other m 2021-07-05T03:54:41.96
IV.T0110.HHN. ML:2.1 0.00017299999999999998 0.7 AML other m 2021-07-05T03:54:41.40
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