Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-07-2020 and time 17:52:22 (Italy) in region 4 km W Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km W Norcia (PG), on

  • 05-07-2020 15:52:22 (UTC)
  • 05-07-2020 17:52:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 13.0410 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 4 4957 4957
Cascia PG 9 3217 8174
Preci PG 9 724 8898
Cerreto di Spoleto PG 11 1075 9973
Poggiodomo PG 13 117 10090
Sellano PG 14 1079 11169
Castelsantangelo sul Nera MC 14 281 11450
Vallo di Nera PG 15 364 11814
Visso MC 16 1107 12921
Monteleone di Spoleto PG 18 599 13520
Sant'Anatolia di Narco PG 18 564 14084
Ussita MC 18 444 14528
Scheggino PG 19 461 14989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
99 Km SW of Ancona (100861 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 1.4 2020-07-05
15:52:22		 42.7963 13.0413 10 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83004821
Reviewed
Rev100 		ML 1.5 2020-07-05
15:52:22		 42.797 13.038 10 2020-07-05
16:04:57		 Sala Sismica INGV-Roma 80802231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-05 15:52:22 ± 0.05
Latitude 42.7963 ± 0.0018
Longitude 13.0413 ± 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 83004821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 30
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) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59985
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 80802231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-05 16:04:57

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 83004821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-29 09:29:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-07-05T15:53:00.45 3.0 undecidable manual S 0.26 0
IV.VVLD.HHZ. 2020-07-05T15:52:56.53 3.0 undecidable manual S -1.04 0
IV.ROSPO.HHZ. 2020-07-05T15:52:51.44 3.0 undecidable manual P 2.68 0
IV.MURB.HHZ. 2020-07-05T15:52:43.00 0.3 undecidable manual S 321 66.5778 50 0.15 67
IV.CRE.HHZ. 2020-07-05T15:52:43.63 3.0 negative manual P -0.2 0
IV.EL6.EHZ. 2020-07-05T15:52:41.50 0.1 undecidable manual S 5 59.2962 50 0.6 81
IV.FIAM.HHZ. 2020-07-05T15:52:41.20 0.3 undecidable manual S 174 58.8966 50 0.4 65
IV.ATCC.EHZ. 2020-07-05T15:52:39.80 0.1 undecidable manual S 323 54.0015 50 0.31 89
IV.SNTG.HHZ. 2020-07-05T15:52:39.10 0.1 undecidable manual S 351 51.5151 50 0.28 90
IV.TERO.HHZ. 2020-07-05T15:52:38.40 0.1 undecidable manual S 113 49.7169 50 0.05 94
IV.MF5.EHZ. 2020-07-05T15:52:36.30 0.1 undecidable manual S 58 40.1265 50 0.53 86
IV.CESX.HHE. 2020-07-05T15:52:36.10 0.3 undecidable manual S 241 42.5241 50 -0.32 68
IV.ASSB.HHZ. 2020-07-05T15:52:35.70 0.1 undecidable manual S 311 41.3253 50 -0.42 89
IV.MOMA.HNZ. 2020-07-05T15:52:35.80 0.3 undecidable manual S 271 38.3283 50 0.49 66
IV.GUMA.HHZ. 2020-07-05T15:52:35.70 0.1 undecidable manual S 39 37.9287 50 0.49 88
IT.GNU.HGE. 2020-07-05T15:52:35.90 0.3 undecidable manual S 271 38.3283 50 0.59 63
IV.PF6.EHN. 2020-07-05T15:52:35.60 0.1 undecidable manual S 18 39.8268 50 -0.11 95
IV.RM33.EHZ. 2020-07-05T15:52:34.10 0.1 undecidable manual S 156 34.8429 50 -0.28 92
IV.MML1.HNE. 2020-07-05T15:52:34.40 0.1 undecidable manual S 351 35.6421 50 -0.18 94
IV.CSP1.EHZ. 2020-07-05T15:52:34.30 0.1 undecidable manual S 22 35.3424 50 -0.21 94
IV.EL6.EHZ. 2020-07-05T15:52:33.04 0.1 positive manual P 5 59.2962 50 -0.04 93
IV.SMA1.EHZ. 2020-07-05T15:52:33.20 0.1 undecidable manual S 127 30.2475 50 0.06 97
IV.ARRO.EHZ. 2020-07-05T15:52:33.60 0.1 undecidable manual S 223 32.9448 50 -0.27 93
IV.MURB.HHZ. 2020-07-05T15:52:33.76 0.3 undecidable manual P 321 66.5778 50 -0.44 63
IV.MTRA.EHZ. 2020-07-05T15:52:32.70 0.1 undecidable manual S 99 29.2485 50 -0.18 95
IV.ATCC.EHZ. 2020-07-05T15:52:32.35 0.1 positive manual P 323 54.0015 50 0.09 93
IV.FIAM.HHZ. 2020-07-05T15:52:32.84 0.3 undecidable manual P 174 58.8966 50 -0.18 68
IV.T1299.HNZ. 2020-07-05T15:52:32.30 0.3 undecidable manual S 132 26.6511 50 0.12 73
IV.FDMO.HHZ. 2020-07-05T15:52:31.90 0.1 undecidable manual S 8 26.8509 50 -0.35 92
IV.MMO1.EHZ. 2020-07-05T15:52:31.50 0.1 undecidable manual S 64 25.8519 50 -0.48 90
IV.TERO.HHZ. 2020-07-05T15:52:31.40 0.1 undecidable manual P 113 49.7169 50 -0.2 91
IV.CESI.HHZ. 2020-07-05T15:52:31.60 0.1 undecidable manual S 334 25.6521 50 -0.32 93
IV.SNTG.HHZ. 2020-07-05T15:52:31.75 0.1 positive manual P 351 51.5151 50 -0.13 93
IV.MOMA.HNZ. 2020-07-05T15:52:30.00 0.3 undecidable manual P 271 38.3283 50 0.15 71
IV.CESX.HHE. 2020-07-05T15:52:30.13 0.3 undecidable manual P 241 42.5241 50 -0.36 67
IV.ASSB.HHZ. 2020-07-05T15:52:30.20 0.1 undecidable manual P 311 41.3253 50 -0.11 95
IT.GNU.HGE. 2020-07-05T15:52:30.27 0.3 undecidable manual P 271 38.3283 50 0.42 67
IV.LNSS.HHZ. 2020-07-05T15:52:30.50 0.1 undecidable manual S 180 21.4674 115 -0.11 98
IV.MF5.EHZ. 2020-07-05T15:52:30.58 0.1 undecidable manual P 58 40.1265 50 0.46 88
IT.MTCL.HGZ. 2020-07-05T15:52:30.60 0.1 undecidable manual S 351 22.1556 114 -0.23 95
IV.GUMA.HHZ. 2020-07-05T15:52:30.05 0.1 positive manual P 39 37.9287 50 0.26 92
IV.ARRO.EHZ. 2020-07-05T15:52:29.03 0.1 undecidable manual P 223 32.9448 50 0.02 98
IV.MC2.EHZ. 2020-07-05T15:52:29.50 0.1 undecidable manual S 43 17.4714 120 0.1 99
IV.CSP1.EHZ. 2020-07-05T15:52:29.29 0.1 positive manual P 22 35.3424 50 -0.1 96
IV.MML1.HNE. 2020-07-05T15:52:29.28 0.1 undecidable manual P 351 35.6421 50 -0.14 95
IV.GAVE.EHZ. 2020-07-05T15:52:29.20 0.1 undecidable manual S 226 16.6722 121 0.06 100
IV.FEMA.HNE. 2020-07-05T15:52:29.80 0.1 undecidable manual S 2 18.3705 119 0.14 98
IV.RM33.EHZ. 2020-07-05T15:52:29.18 0.1 positive manual P 156 34.8429 50 -0.13 95
IV.PF6.EHN. 2020-07-05T15:52:29.91 0.1 undecidable manual P 18 39.8268 50 -0.17 94
IV.MTRA.EHZ. 2020-07-05T15:52:28.32 0.1 negative manual P 99 29.2485 50 -0.12 96
IV.SMA1.EHZ. 2020-07-05T15:52:28.63 0.1 undecidable manual P 127 30.2475 50 0.04 98
IV.T1299.HNZ. 2020-07-05T15:52:28.45 0.3 undecidable manual P 132 26.6511 50 0.41 68
IT.MTCL.HGZ. 2020-07-05T15:52:27.16 0.1 undecidable manual P 351 22.1556 114 -0.1 98
IV.FDMO.HHZ. 2020-07-05T15:52:27.91 0.1 positive manual P 8 26.8509 50 -0.17 96
IV.MMO1.EHZ. 2020-07-05T15:52:27.80 0.1 negative manual P 64 25.8519 50 -0.12 97
IV.CESI.HHZ. 2020-07-05T15:52:27.82 0.1 positive manual P 334 25.6521 50 -0.07 98
IV.LNSS.HHZ. 2020-07-05T15:52:27.21 0.1 positive manual P 180 21.4674 115 0.07 99
IV.FEMA.HNE. 2020-07-05T15:52:26.66 0.1 undecidable manual P 2 18.3705 119 0.07 99
IV.MC2.EHZ. 2020-07-05T15:52:26.66 0.1 positive manual P 43 17.4714 120 0.23 96
IV.GAVE.EHZ. 2020-07-05T15:52:26.52 0.1 positive manual P 226 16.6722 121 0.23 96
IV.NRCA.HNZ. 2020-07-05T15:52:26.40 0.1 undecidable manual S 55 7.1928 144 -0.28 97
IV.NRCA.HNZ. 2020-07-05T15:52:25.00 0.1 negative manual P 55 7.1928 144 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.00019250000000000002 0.28 AML other m 2020-07-05T15:52:34.43
IV.NRCA.HNN. ML:2.4 0.0036149999999999997 0.1 AML other m 2020-07-05T15:52:26.59
IV.NRCA.HHE. ML:2.2 0.0023250000000000002 0.16 AML other m 2020-07-05T15:52:26.62
IV.NRCA.HNE. ML:2.1 0.001915 0.14 AML other m 2020-07-05T15:52:26.63
IV.GAVE.EHN. ML:2.1 0.0010645 0.28 AML other m 2020-07-05T15:52:29.50
IV.LNSS.HHN. ML:1.5 0.00023199999999999997 0.16 AML other m 2020-07-05T15:52:31.12
IV.CSP1.EHN. ML:1.5 0.000132 0.4 AML other m 2020-07-05T15:52:34.71
IV.ASSB.HHE. ML:1.5 0.00011205000000000001 0.88 AML other m 2020-07-05T15:52:36.43
IV.ATCC.EHN. ML:1.5 0.0000751 0.18 AML other m 2020-07-05T15:52:40.57
IV.GAVE.EHE. ML:1.9 0.0006720887 0.1792 AML other m 2020-07-05T15:52:29.45
IV.LNSS.HHE. ML:1.2 0.000104135245 0.1152 AML other m 2020-07-05T15:52:30.68
IV.CESI.HHN. ML:1.9 0.0004422722 0.2304 AML other m 2020-07-05T15:52:32.02
IV.CESI.HNN. ML:1.9 0.00043418045 0.2304 AML other m 2020-07-05T15:52:31.90
IV.CESI.HHE. ML:1.6 0.0002285529 0.1664 AML other m 2020-07-05T15:52:32.01
IV.FDMO.HHN. ML:1.0 0.000061755795 0.2048 AML other m 2020-07-05T15:52:32.30
IV.FDMO.HHE. ML:1.2 0.00007783878 0.2176 AML other m 2020-07-05T15:52:32.08
IV.MTRA.EHN. ML:1.2 0.00007622429 0.1664 AML other m 2020-07-05T15:52:33.28
IV.SMA1.EHE. ML:1.3 0.0001043525 0.2304 AML other m 2020-07-05T15:52:33.98
IV.ARRO.EHN. ML:1.2 0.000066688755 0.512 AML other m 2020-07-05T15:52:34.11
IV.ARRO.EHE. ML:1.2 0.000071092765 0.1536 AML other m 2020-07-05T15:52:34.18
IV.RM33.EHE. ML:1.2 0.00006725107999999999 0.8704 AML other m 2020-07-05T15:52:34.94
IV.RM33.EHN. ML:1.2 0.000059234675 0.1152 AML other m 2020-07-05T15:52:34.48
IV.CSP1.EHE. ML:1.4 0.00009362529500000001 0.2176 AML other m 2020-07-05T15:52:34.73
IV.GUMA.HHE. ML:1.7 0.00019517225 0.4864 AML other m 2020-07-05T15:52:36.07
IV.GUMA.HHN. ML:1.6 0.00014772789999999999 0.6016 AML other m 2020-07-05T15:52:36.22
IV.ASSB.HHN. ML:1.4 0.00007628683 0.4736 AML other m 2020-07-05T15:52:36.45
IV.TERO.HHE. ML:1.0 0.00002490868 0.1152 AML other m 2020-07-05T15:52:39.01
IV.TERO.HHN. ML:1.1 0.00002962861 0.2816 AML other m 2020-07-05T15:52:38.66
IV.SNTG.HHN. ML:1.0 0.000023040805000000002 0.1152 AML other m 2020-07-05T15:52:39.75
IV.SNTG.HHE. ML:0.9 0.000019999255 0.8832 AML other m 2020-07-05T15:52:39.69
IV.ATCC.EHE. ML:1.3 0.000044039625 0.2176 AML other m 2020-07-05T15:52:40.61
IV.MURB.HHE. ML:1.6 0.00007347786000000001 0.256 AML other m 2020-07-05T15:52:45.25
IV.MURB.HHN. ML:1.5 0.000052876204999999994 0.6144 AML other m 2020-07-05T15:52:44.65
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