Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-07-2019 and time 11:20:14 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km E Norcia (PG), on

  • 04-07-2019 09:20:14 (UTC)
  • 04-07-2019 11:20:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.1260 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 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
Visso MC 15 1107 11464
Accumoli RI 15 667 12131
Ussita MC 16 444 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Poggiodomo PG 18 117 14290
Sellano PG 19 1079 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
47 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)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
97 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 1.9 2019-07-04
09:20:14		 42.7982 13.126 10 2019-11-13
14:31:05		 Bollettino Sismico Italiano INGV 73164061
Reviewed
Rev100 		ML 2.1 2019-07-04
09:20:14		 42.7978 13.1262 10 2019-07-04
09:36:16		 Sala Sismica INGV-Roma 70188151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-04 09:20:14 ± 0.05
Latitude 42.7982 ± 0.0027
Longitude 13.1260 ± 0.0049
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 73164061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 245
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) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 35
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74374
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 34
Type of magnitude ML
Reference to an origin 73164061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-09 17:45:43

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 70188151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-04 09:36:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2019-07-04T09:21:44.04 3.0 undecidable manual Sn -2.23 0
IV.SPS2.HHZ. 2019-07-04T09:21:44.74 3.0 undecidable manual Sn -8.08 0
GE.MATE.HHZ. 2019-07-04T09:21:41.12 3.0 undecidable manual Sn 5.76 0
IV.MTMR.HNZ. 2019-07-04T09:21:35.19 3.0 undecidable manual Sg 26.690001 0
IV.VBKN.HHZ. 2019-07-04T09:21:26.20 3.0 undecidable manual Sg 23.01 0
IV.DGI.HHZ. 2019-07-04T09:21:16.04 3.0 undecidable manual Sg 20.98 0
IV.MFNL.HHZ. 2019-07-04T09:21:09.65 3.0 negative manual Pg 25.370001 0
IV.ISPIC.HNZ. 2019-07-04T09:21:02.32 3.0 undecidable manual Pn -1.52 0
IV.LIK.EHZ.01 2019-07-04T09:21:01.47 3.0 undecidable manual Sg 19.190001 0
OX.ZOU2.HHZ. 2019-07-04T09:20:57.46 3.0 undecidable manual Sg 12.92 0
IV.PTRJ.HNZ. 2019-07-04T09:20:56.51 3.0 undecidable manual Sn 0.94 0
IV.SPS2.HHZ. 2019-07-04T09:20:53.19 3.0 negative manual Pn 10.36 0
IV.AGLI.HHZ. 2019-07-04T09:20:47.40 3.0 undecidable manual Sn 6.72 0
GE.MATE.HHZ. 2019-07-04T09:20:42.55 3.0 positive manual Pn 9.53 0
IT.VNF1.HGZ. 2019-07-04T09:20:41.57 3.0 undecidable manual Sn -6.44 0
IV.BRMO.HHZ. 2019-07-04T09:20:34.61 3.0 undecidable manual Sn -0.69 0
IV.T0110.HHZ. 2019-07-04T09:20:29.12 0.6 undecidable manual P 140 82.5507 50 0.11 43
IV.TERO.HHZ. 2019-07-04T09:20:28.64 0.3 undecidable manual S 116 43.5231 50 -0.38 66
IV.SAP2.EHZ. 2019-07-04T09:20:28.94 0.6 undecidable manual S 34 39.8268 50 0.91 36
IV.MF5.EHZ. 2019-07-04T09:20:27.19 0.3 undecidable manual S 52 34.3434 50 0.63 62
IV.CAMP.HHZ. 2019-07-04T09:20:27.06 0.6 undecidable manual S 141 37.1295 50 -0.25 45
IV.COLB.HHZ. 2019-07-04T09:20:27.95 3.0 undecidable manual Pg 14.62 0
IV.RM33.EHZ. 2019-07-04T09:20:26.29 0.3 undecidable manual S 167 32.8449 50 0.12 71
IV.CESI.HNZ. 2019-07-04T09:20:25.01 0.6 undecidable manual S 322 29.1486 50 -0.17 47
IV.FIAM.HHZ. 2019-07-04T09:20:25.23 0.1 undecidable manual P 181 58.7967 50 -0.12 90
IV.FDMO.HHZ. 2019-07-04T09:20:24.05 0.6 undecidable manual S 353 26.6511 50 -0.45 44
IV.MNTT.EHZ. 2019-07-04T09:20:24.54 0.6 undecidable manual P 52 48.1185 50 0.84 37
IV.SMA1.EHN. 2019-07-04T09:20:24.13 0.6 undecidable manual S 137 25.2525 50 0 49
IV.LNSS.HNZ. 2019-07-04T09:20:23.72 0.6 undecidable manual S 198 22.755 115 0.25 47
IT.MTCL.HGZ. 2019-07-04T09:20:23.32 3.0 undecidable manual S -0.41 0
IV.GIGS.HHZ. 2019-07-04T09:20:23.97 0.1 undecidable manual P 136 52.9026 50 -0.47 84
IV.GAVE.EHZ. 2019-07-04T09:20:23.51 0.6 undecidable manual S 238 22.2555 115 0.21 47
IV.T1299.HNN. 2019-07-04T09:20:23.64 0.6 undecidable manual S 145 22.1556 115 0.35 46
IV.FEMA.HNZ. 2019-07-04T09:20:22.15 0.6 undecidable manual S 341 19.2696 118 -0.22 47
IV.SAP2.EHZ. 2019-07-04T09:20:22.67 0.1 undecidable manual P 34 39.8268 50 0.24 91
IV.TERO.HHZ. 2019-07-04T09:20:22.96 0.3 undecidable manual P 116 43.5231 50 -0.04 70
IV.CIGN.HHZ. 2019-07-04T09:20:22.36 3.0 undecidable manual Pg 11.32 0
IV.MMO1.EHZ. 2019-07-04T09:20:22.14 0.3 undecidable manual S 55 19.869 118 -0.41 68
IV.ARRO.EHZ. 2019-07-04T09:20:22.19 0.1 undecidable manual P 231 38.1285 50 0.02 95
IV.RM33.EHZ. 2019-07-04T09:20:21.24 0.3 undecidable manual P 167 32.8449 50 -0.12 71
IV.MF5.EHZ. 2019-07-04T09:20:21.82 0.1 undecidable manual P 52 34.3434 50 0.24 92
IV.CAMP.HHZ. 2019-07-04T09:20:21.80 0.1 undecidable manual P 141 37.1295 50 -0.22 92
IV.MC2.EHZ. 2019-07-04T09:20:20.81 0.6 undecidable manual S 22 13.5753 127 0.09 49
IV.FDMO.HHZ. 2019-07-04T09:20:20.16 0.1 undecidable manual P 353 26.6511 50 -0.24 93
IV.CESI.HNZ. 2019-07-04T09:20:20.72 0.1 undecidable manual P 322 29.1486 50 -0.07 96
IV.SMA1.EHN. 2019-07-04T09:20:20.09 0.1 undecidable manual P 137 25.2525 50 -0.09 96
IV.MMO1.EHZ. 2019-07-04T09:20:19.05 0.1 undecidable manual P 55 19.869 118 -0.22 94
IV.GAVE.EHZ. 2019-07-04T09:20:19.86 0.1 undecidable manual P 238 22.2555 115 0.16 95
IV.T1299.HNN. 2019-07-04T09:20:19.86 0.1 undecidable manual P 145 22.1556 115 0.17 95
IV.FEMA.HNZ. 2019-07-04T09:20:19.12 0.3 undecidable manual P 341 19.2696 118 -0.04 74
IV.LNSS.HNZ. 2019-07-04T09:20:19.88 0.1 undecidable manual P 198 22.755 115 0.08 97
IV.AGLI.HHZ. 2019-07-04T09:20:19.69 3.0 undecidable manual Pn 17.389999 0
IT.MTCL.HGZ. 2019-07-04T09:20:19.78 3.0 undecidable manual P -0.14 0
IV.NRCA.HNZ. 2019-07-04T09:20:18.32 0.6 undecidable manual S 346 4.0959 159 -0.33 47
IV.MC2.EHZ. 2019-07-04T09:20:18.31 0.1 undecidable manual P 22 13.5753 127 0.1 98
IV.NRCA.HNZ. 2019-07-04T09:20:17.09 0.1 undecidable manual P 346 4.0959 159 0.07 100
IV.SGG.HHZ. 2019-07-04T09:20:17.47 3.0 undecidable manual Pn 8.02 0
IV.ARVD.HHZ. 2019-07-04T09:20:11.43 3.0 undecidable manual Sg -0.93 0
IV.PTRJ.HNZ. 2019-07-04T09:20:08.59 3.0 positive manual Pn -2.08 0
IV.RMP.HHZ. 2019-07-04T09:20:08.07 3.0 positive manual Pg 12.42 0
IV.LRP.EHZ. 2019-07-04T09:20:04.67 3.0 positive manual Pn 2.67 0
IV.LIK.EHZ.01 2019-07-04T09:20:02.36 3.0 positive manual Pn -0.84 0
GU.POPM.HHZ. 2019-07-04T09:19:55.63 3.0 undecidable manual S -2.42 0
IV.PE3.EHZ. 2019-07-04T09:19:54.64 3.0 undecidable manual Sg -9.99 0
IV.FIR.HHZ. 2019-07-04T09:19:51.34 3.0 undecidable manual Sn -6.72 0
IV.NDIM.HHZ. 2019-07-04T09:19:50.49 3.0 undecidable manual P 7.85 0
IV.MNTV.HNZ. 2019-07-04T09:19:46.33 3.0 negative manual Pn 1.49 0
IV.FOSV.EHZ. 2019-07-04T09:19:45.10 3.0 undecidable manual P -0.65 0
GU.GRAM.HHZ. 2019-07-04T09:19:41.27 3.0 negative manual Pn -0.07 0
IV.APEC.HHZ. 2019-07-04T09:19:41.12 3.0 undecidable manual P -1.91 0
IV.IMOL.HNZ. 2019-07-04T09:19:39.27 3.0 positive manual P -1.58 0
IV.BRSN.EHZ. 2019-07-04T09:19:39.13 3.0 negative manual P -2.77 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:2.4 0.0016899999999999999 0.2 AML other m 2019-07-04T09:20:23.82
IV.LNSS.HHE. ML:2.8 0.003735 0.12 AML other m 2019-07-04T09:20:24.13
IV.LNSS.HHN. ML:2.6 0.0025599999999999998 0.14 AML other m 2019-07-04T09:20:24.16
IV.FDMO.HHE. ML:2.0 0.0005245 0.24 AML other m 2019-07-04T09:20:24.41
IV.GAVE.EHE. ML:2.5 0.00225 0.26 AML other m 2019-07-04T09:20:24.46
IV.FDMO.HHN. ML:2.2 0.000805 0.3 AML other m 2019-07-04T09:20:24.62
IV.CESI.HHE. ML:2.1 0.0006 0.48 AML other m 2019-07-04T09:20:25.50
IV.CESI.HHN. ML:2.2 0.0008129999999999999 0.3 AML other m 2019-07-04T09:20:25.37
IV.SMA1.EHN. ML:2.0 0.0006 1.08 AML other m 2019-07-04T09:20:26.98
IV.CAMP.HHE. ML:1.6 0.00014000000000000001 1.36 AML other m 2019-07-04T09:20:27.26
IV.MF5.EHE. ML:2.1 0.0005725 0.3 AML other m 2019-07-04T09:20:27.81
IV.RM33.EHN. ML:2.1 0.0004955 0.12 AML other m 2019-07-04T09:20:27.62
IV.MF5.EHN. ML:2.0 0.0004465 0.26 AML other m 2019-07-04T09:20:27.68
IV.SMA1.EHE. ML:2.2 0.0009910000000000001 0.5 AML other m 2019-07-04T09:20:27.45
IV.RM33.EHE. ML:2.0 0.00041900000000000005 1.4 AML other m 2019-07-04T09:20:27.73
IV.SAP2.EHE. ML:2.4 0.0008295 0.52 AML other m 2019-07-04T09:20:29.20
IV.SAP2.EHN. ML:3.3 0.006725 0.16 AML other m 2019-07-04T09:20:29.37
IV.TERO.HHN. ML:1.8 0.000203 0.28 AML other m 2019-07-04T09:20:29.81
IV.CAMP.HHN. ML:1.5 0.00011199999999999998 1.28 AML other m 2019-07-04T09:20:30.77
IV.ARRO.EHN. ML:1.7 0.0001805 1.7 AML other m 2019-07-04T09:20:30.13
IV.ARRO.EHE. ML:1.7 0.00018449999999999999 1.02 AML other m 2019-07-04T09:20:30.89
IV.TERO.HHE. ML:1.8 0.00019700000000000002 0.44 AML other m 2019-07-04T09:20:31.66
IV.GIGS.HHE. ML:1.3 0.00004675 0.46 AML other m 2019-07-04T09:20:32.46
IV.GIGS.HHN. ML:1.3 0.0000466 0.84 AML other m 2019-07-04T09:20:33.75
IV.MNTT.EHN. ML:2.5 0.0008455 0.34 AML other m 2019-07-04T09:20:33.58
IV.MNTT.EHE. ML:2.5 0.0008105 0.32 AML other m 2019-07-04T09:20:34.04
IV.FIAM.HHE. ML:1.4 0.00005895 0.78 AML other m 2019-07-04T09:20:34.12
IV.FIAM.HHN. ML:1.5 0.00006705 0.92 AML other m 2019-07-04T09:20:36.61
IV.FOSV.EHE. ML:1.6 0.0000826 0.48 AML other m 2019-07-04T09:20:37.28
IV.FOSV.EHN. ML:1.8 0.000108 0.32 AML other m 2019-07-04T09:20:37.46
IV.ARVD.HHE. ML:1.8 0.00008355 0.82 AML other m 2019-07-04T09:20:40.81
IV.T0110.HHE. ML:1.8 0.00007264999999999999 1.14 AML other m 2019-07-04T09:20:41.27
IV.T0110.HHN. ML:1.8 0.00007955000000000001 1.56 AML other m 2019-07-04T09:20:41.12
IV.ARVD.HHN. ML:1.6 0.00005 0.12 AML other m 2019-07-04T09:20:43.74
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