Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-11-2019 and time 09:34:10 (Italy) in region 1 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 1 km E Norcia (PG), on

  • 23-11-2019 08:34:10 (UTC)
  • 23-11-2019 09:34:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1020 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 1 4957 4957
Cascia PG 11 3217 8174
Preci PG 11 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 15 1075 10254
Visso MC 16 1107 11361
Accumoli RI 16 667 12028
Arquata del Tronto AP 16 1178 13206
Poggiodomo PG 16 117 13323
Ussita MC 17 444 13767
Sellano PG 18 1079 14846
Vallo di Nera PG 20 364 15210
Montegallo AP 20 523 15733
Monteleone di Spoleto PG 20 599 16332
Cittareale RI 20 482 16814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
98 Km W of Pescara (121014 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 1.5 2019-11-23
08:34:10		 42.7922 13.1018 10 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74506351
Reviewed
Rev100 		ML 1.6 2019-11-23
08:34:10		 42.7938 13.0987 10 2019-11-23
08:40:27		 Sala Sismica INGV-Roma 73979531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-23 08:34:10 ± 0.05
Latitude 42.7922 ± 0.0018
Longitude 13.1018 ± 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 74506351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53690
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 74506351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-10 10:03:15

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 73979531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-23 08:40:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAON.HHZ. 2019-11-23T08:34:57.02 3.0 undecidable manual S -0.83 0
IV.VIVA.HHZ. 2019-11-23T08:34:32.80 3.0 positive manual P 1.57 0
IV.EL6.EHZ. 2019-11-23T08:34:29.72 0.1 undecidable manual S 360 59.5959 50 0.44 84
IV.LATE.HHZ. 2019-11-23T08:34:27.13 3.0 positive manual P -2.73 0
IV.GIGS.HHZ. 2019-11-23T08:34:27.77 0.1 undecidable manual S 134 53.8017 50 0.04 92
IV.CESX.HHE. 2019-11-23T08:34:26.21 0.3 undecidable manual S 244 46.7199 50 0.38 65
IT.GNU.HGE. 2019-11-23T08:34:25.68 0.3 undecidable manual S 272 43.3233 50 0.75 58
IV.MOMA.HNZ. 2019-11-23T08:34:25.23 0.3 undecidable manual S 272 43.3233 50 0.29 67
IV.SAP2.EHE. 2019-11-23T08:34:25.07 0.3 undecidable manual S 35 41.5251 50 0.61 61
IV.MDAR.HNN. 2019-11-23T08:34:25.22 0.3 undecidable manual S 4 44.5221 50 -0.05 70
IV.TERO.HHZ. 2019-11-23T08:34:25.16 0.1 undecidable manual S 114 45.0216 50 -0.23 90
IV.MML1.HNE. 2019-11-23T08:34:23.13 0.1 undecidable manual S 344 37.1295 50 -0.17 93
IV.GUMA.HHZ. 2019-11-23T08:34:23.19 0.1 undecidable manual S 32 35.5422 50 0.34 90
IV.ARRO.EHZ. 2019-11-23T08:34:23.15 0.3 undecidable manual S 229 36.2415 50 0.11 70
IV.CAMP.HHE. 2019-11-23T08:34:23.15 0.1 undecidable manual S 139 37.9287 50 -0.34 89
IV.MF5.EHZ. 2019-11-23T08:34:23.69 0.1 undecidable manual S 53 36.2415 50 0.63 82
IV.PF6.EHN. 2019-11-23T08:34:23.50 0.1 undecidable manual S 11 39.0276 50 -0.31 90
IV.CSP1.EHZ. 2019-11-23T08:34:22.33 0.1 undecidable manual S 14 34.2435 50 -0.19 93
IV.EL6.EHZ. 2019-11-23T08:34:21.30 0.1 undecidable manual P 360 59.5959 50 -0.08 91
IV.RM33.EHZ. 2019-11-23T08:34:21.80 0.1 undecidable manual S 164 32.745 50 -0.31 91
IV.SMA1.EHZ. 2019-11-23T08:34:20.64 0.1 undecidable manual S 133 26.1516 110 0.38 90
IV.FDMO.HHZ. 2019-11-23T08:34:20.18 0.1 undecidable manual S 357 27.1506 110 -0.4 90
IV.GIGS.HHZ. 2019-11-23T08:34:20.22 0.1 undecidable manual P 134 53.8017 50 -0.27 88
IV.CESI.HHZ. 2019-11-23T08:34:20.80 0.1 undecidable manual S 326 28.5492 50 -0.19 94
IV.MTRA.HNZ. 2019-11-23T08:34:19.25 0.3 undecidable manual S 99 24.3534 112 -0.41 68
IV.CESX.HHE. 2019-11-23T08:34:19.50 0.3 undecidable manual P 244 46.7199 50 0.11 69
IV.T1299.HNZ. 2019-11-23T08:34:19.57 0.1 undecidable manual S 140 22.8549 113 0.37 91
IT.MTCL.HGZ. 2019-11-23T08:34:19.22 0.1 undecidable manual S 340 23.8539 112 -0.3 92
IV.MDAR.HNN. 2019-11-23T08:34:19.08 0.3 undecidable manual P 4 44.5221 50 0.01 71
IV.MF5.EHZ. 2019-11-23T08:34:18.38 0.1 undecidable manual P 53 36.2415 50 0.59 84
IV.PF6.EHN. 2019-11-23T08:34:18.02 0.1 negative manual P 11 39.0276 50 -0.2 92
IV.TERO.HHZ. 2019-11-23T08:34:18.83 0.1 undecidable manual P 114 45.0216 50 -0.31 89
IV.FEMA.HNZ. 2019-11-23T08:34:18.19 0.3 undecidable manual S 347 19.3695 116 0.11 73
IT.GNU.HGE. 2019-11-23T08:34:18.03 0.3 undecidable manual P 272 43.3233 50 -0.84 56
IV.MMO1.EHZ. 2019-11-23T08:34:18.60 0.1 undecidable manual S 57 21.867 114 -0.26 93
IV.MOMA.HNZ. 2019-11-23T08:34:18.24 0.3 undecidable manual P 272 43.3233 50 -0.63 61
IV.SAP2.EHE. 2019-11-23T08:34:18.82 0.3 undecidable manual P 35 41.5251 50 0.22 68
IV.LNSS.HHZ. 2019-11-23T08:34:18.86 0.1 undecidable manual S 193 21.5673 114 0.07 97
IV.ARRO.EHZ. 2019-11-23T08:34:18.20 0.3 undecidable manual P 229 36.2415 50 0.42 66
IV.MC2.EHZ. 2019-11-23T08:34:17.03 0.1 undecidable manual S 28 14.9739 123 0.25 95
IV.MML1.HNE. 2019-11-23T08:34:17.78 0.1 positive manual P 344 37.1295 50 -0.15 93
IV.CSP1.EHZ. 2019-11-23T08:34:17.40 0.1 negative manual P 14 34.2435 50 -0.08 95
IV.GUMA.HHZ. 2019-11-23T08:34:17.90 0.1 negative manual P 32 35.5422 50 0.23 92
IV.CAMP.HHE. 2019-11-23T08:34:17.73 0.1 undecidable manual P 139 37.9287 50 -0.31 90
IV.CESI.HHZ. 2019-11-23T08:34:16.51 0.1 positive manual P 326 28.5492 50 -0.09 96
IV.RM33.EHZ. 2019-11-23T08:34:16.97 0.1 undecidable manual P 164 32.745 50 -0.27 91
IV.SMA1.EHZ. 2019-11-23T08:34:16.07 0.1 undecidable manual P 133 26.1516 110 -0.1 96
IV.FDMO.HHZ. 2019-11-23T08:34:16.20 0.1 positive manual P 357 27.1506 110 -0.16 95
IV.MMO1.EHZ. 2019-11-23T08:34:15.29 0.1 undecidable manual P 57 21.867 114 -0.08 97
IT.MTCL.HGZ. 2019-11-23T08:34:15.68 0.1 undecidable manual P 340 23.8539 112 -0.07 97
IV.LNSS.HHZ. 2019-11-23T08:34:15.46 0.1 negative manual P 193 21.5673 114 0.13 96
IV.MTRA.HNZ. 2019-11-23T08:34:15.73 0.3 undecidable manual P 99 24.3534 112 -0.1 72
IV.FEMA.HNZ. 2019-11-23T08:34:15.03 0.3 undecidable manual P 347 19.3695 116 0.11 73
IV.T1299.HNZ. 2019-11-23T08:34:15.68 0.1 undecidable manual P 140 22.8549 113 0.12 96
IV.NRCA.HNZ. 2019-11-23T08:34:14.23 0.1 undecidable manual S 12 4.6953 154 -0.07 100
IV.MC2.EHZ. 2019-11-23T08:34:14.46 0.1 undecidable manual P 28 14.9739 123 0.3 94
IV.NRCA.HNZ. 2019-11-23T08:34:13.01 0.1 undecidable manual P 12 4.6953 154 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNN. ML:1.6 0.00027995845 0.1344 AML other m 2019-11-23T08:34:20.08
IV.LNSS.HHE. ML:1.8 0.00044564025 0.1024 AML other m 2019-11-23T08:34:19.70
IV.LNSS.HNE. ML:1.8 0.00039620734999999994 0.1152 AML other m 2019-11-23T08:34:19.64
IV.FDMO.HHE. ML:1.4 0.000126289005 0.2176 AML other m 2019-11-23T08:34:20.87
IV.FDMO.HHN. ML:1.3 0.000100750175 0.2048 AML other m 2019-11-23T08:34:20.41
IV.CESI.HNE. ML:1.4 0.00014313715 0.1472 AML other m 2019-11-23T08:34:20.95
IV.CESI.HNN. ML:1.6 0.00021233980000000003 0.3008 AML other m 2019-11-23T08:34:20.88
IV.CESI.HHE. ML:1.4 0.000131292465 0.1344 AML other m 2019-11-23T08:34:20.94
IV.CESI.HHN. ML:1.6 0.00022009265 0.2944 AML other m 2019-11-23T08:34:21.02
IV.RM33.EHN. ML:1.3 0.000093907515 0.1408 AML other m 2019-11-23T08:34:22.35
IV.RM33.EHE. ML:1.3 0.000089251635 0.1408 AML other m 2019-11-23T08:34:23.33
IV.CSP1.EHE. ML:1.3 0.00008814245 0.1408 AML other m 2019-11-23T08:34:23.09
IV.TERO.HHE. ML:1.2 0.0000471551 0.0832 AML other m 2019-11-23T08:34:26.11
IV.TERO.HHN. ML:1.3 0.000064672275 0.0832 AML other m 2019-11-23T08:34:25.67
IV.EL6.EHN. ML:1.5 0.0000678791475 0.4224 AML other m 2019-11-23T08:34:31.97
IV.EL6.EHE. ML:1.5 0.00006861334499999999 0.1408 AML other m 2019-11-23T08:34:31.42
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