Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-11-2019 and time 02:08:40 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km E Norcia (PG), on

  • 11-11-2019 01:08:40 (UTC)
  • 11-11-2019 02:08:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1300 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 12 281 5238
Preci PG 12 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Ussita MC 17 444 12575
Cerreto di Spoleto PG 18 1075 13650
Montegallo AP 18 523 14173
Poggiodomo PG 18 117 14290
Cittareale RI 20 482 14772
Sellano PG 20 1079 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 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 1.7 2019-11-11
01:08:40		 42.7923 13.1297 9 2020-02-28
16:42:04		 Bollettino Sismico Italiano INGV 73815511
Reviewed
Rev100 		ML 1.8 2019-11-11
01:08:40		 42.795 13.1278 9 2019-11-11
01:16:54		 Sala Sismica INGV-Roma 73778221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-11 01:08:40 ± 0.07
Latitude 42.7923 ± 0.0027
Longitude 13.1297 ± 0.0049
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 73815511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.73744
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 73778221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-11 01:16:54

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 73815511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-13 15:30:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-11-11T01:09:05.60 0.1 undecidable manual S 349 79.7646 50 0.63 78
IV.EL6.EHZ. 2019-11-11T01:08:59.60 0.1 undecidable manual S 358 59.5959 50 0.01 94
IV.ATCC.EHZ. 2019-11-11T01:08:59.70 0.1 undecidable manual S 318 58.9965 50 0.28 89
IV.FIAM.HHZ. 2019-11-11T01:08:59.50 0.1 undecidable manual S 181 58.1973 50 0.3 89
IV.GIGS.HHZ. 2019-11-11T01:08:57.20 0.1 undecidable manual S 136 52.2033 50 -0.41 88
IV.SNTG.HHZ. 2019-11-11T01:08:57.80 0.1 undecidable manual S 343 53.6019 50 -0.17 92
IV.MOMA.HHZ. 2019-11-11T01:08:56.00 0.1 undecidable manual S 272 45.621 50 0.16 94
IV.T0110.HHZ. 2019-11-11T01:08:55.37 0.1 undecidable manual P 140 81.8514 50 0.34 85
IV.TERO.HHZ. 2019-11-11T01:08:54.80 0.1 undecidable manual S 116 43.0236 50 -0.35 91
IV.ARVD.HHZ. 2019-11-11T01:08:54.50 0.1 positive manual P 349 79.7646 50 -0.21 87
IV.SAP2.EHZ. 2019-11-11T01:08:54.90 0.1 undecidable manual S 33 40.2264 50 0.49 89
IV.CAMP.HHZ. 2019-11-11T01:08:53.20 0.1 undecidable manual S 141 36.4413 50 -0.21 95
IV.MF5.EHZ. 2019-11-11T01:08:53.00 0.1 undecidable manual S 51 34.4433 50 0.12 97
IV.FAGN.HHZ. 2019-11-11T01:08:53.11 0.1 undecidable manual P 147 69.1752 50 0.02 93
IV.ARRO.EHZ. 2019-11-11T01:08:53.90 0.1 undecidable manual S 232 37.9287 50 0.09 97
IV.RM33.EHZ. 2019-11-11T01:08:52.20 0.1 undecidable manual S 168 32.1456 50 -0.07 98
IV.CSP1.EHZ. 2019-11-11T01:08:52.00 0.1 undecidable manual S 10 33.744 50 -0.69 83
IV.ATCC.EHZ. 2019-11-11T01:08:51.36 0.1 positive manual P 318 58.9965 50 -0.15 92
IV.FIAM.HHZ. 2019-11-11T01:08:51.35 0.1 undecidable manual P 181 58.1973 50 -0.03 94
IV.EL6.EHZ. 2019-11-11T01:08:51.33 0.1 positive manual P 358 59.5959 50 -0.28 89
IV.SNTG.HHZ. 2019-11-11T01:08:50.36 0.1 negative manual P 343 53.6019 50 -0.31 90
IV.FDMO.HHZ. 2019-11-11T01:08:50.20 0.1 undecidable manual S 353 27.3504 108 -0.45 91
IV.MNTT.EHZ. 2019-11-11T01:08:50.40 0.1 positive manual P 52 48.2184 50 0.55 86
IV.OFFI.HHZ. 2019-11-11T01:08:50.56 0.1 negative manual P 71 47.9187 50 0.76 79
IV.GIGS.HHZ. 2019-11-11T01:08:50.25 0.1 undecidable manual P 136 52.2033 50 -0.21 92
IV.CESI.HHZ. 2019-11-11T01:08:50.90 0.1 undecidable manual S 322 29.8479 106 -0.6 87
IV.MOMA.HHZ. 2019-11-11T01:08:49.62 0.1 undecidable manual P 272 45.621 50 0.18 94
IV.SMA1.EHZ. 2019-11-11T01:08:49.40 0.1 undecidable manual S 137 24.5532 110 -0.35 94
IV.ARRO.EHZ. 2019-11-11T01:08:48.34 0.1 positive manual P 232 37.9287 50 0.07 97
IV.TERO.HHZ. 2019-11-11T01:08:48.85 0.1 undecidable manual P 116 43.0236 50 -0.19 94
IV.SAP2.EHZ. 2019-11-11T01:08:48.78 0.1 positive manual P 33 40.2264 50 0.16 95
IV.MMO1.EHZ. 2019-11-11T01:08:48.00 0.1 undecidable manual S 53 19.9689 114 -0.26 96
IV.MF5.EHZ. 2019-11-11T01:08:47.85 0.1 positive manual P 51 34.4433 50 0.12 97
IV.RM33.EHZ. 2019-11-11T01:08:47.35 0.1 positive manual P 168 32.1456 50 -0.03 99
IV.CAMP.HHZ. 2019-11-11T01:08:47.95 0.1 positive manual P 141 36.4413 50 -0.09 97
IV.CSP1.EHZ. 2019-11-11T01:08:47.20 0.1 undecidable manual P 10 33.744 50 -0.43 91
IV.CESI.HHZ. 2019-11-11T01:08:46.78 0.1 negative manual P 322 29.8479 106 -0.16 97
IV.MC2.EHZ. 2019-11-11T01:08:46.90 0.1 undecidable manual S 20 14.0748 122 0.45 93
IV.FDMO.HHZ. 2019-11-11T01:08:46.23 0.1 positive manual P 353 27.3504 108 -0.22 96
IV.SMA1.EHZ. 2019-11-11T01:08:46.25 0.1 negative manual P 137 24.5532 110 0.32 94
IV.MMO1.EHZ. 2019-11-11T01:08:45.15 0.1 positive manual P 53 19.9689 114 0.08 100
IV.MC2.EHZ. 2019-11-11T01:08:44.37 0.1 positive manual P 20 14.0748 122 0.35 96
IV.NRCA.HNZ. 2019-11-11T01:08:44.30 0.6 undecidable manual S 345 4.7952 152 0.14 51
IV.NRCA.HNZ. 2019-11-11T01:08:43.13 0.1 negative manual P 345 4.7952 152 0.43 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.007254999999999999 0.1 AML other m 2019-11-11T01:08:44.45
IV.NRCA.HNN. ML:0.0 0.006515 0.1 AML other m 2019-11-11T01:08:44.45
IV.NRCA.HNE. ML:0.0 0.00458 0.14 AML other m 2019-11-11T01:08:44.46
IV.NRCA.HHE. ML:0.0 0.00438 0.14 AML other m 2019-11-11T01:08:44.46
IV.FDMO.HHN. ML:0.0 0.00032073995 0.18 AML other m 2019-11-11T01:08:50.43
IV.FDMO.HHE. ML:0.0 0.00030199999999999997 0.2 AML other m 2019-11-11T01:08:50.84
IV.CESI.HHE. ML:0.0 0.0003875 0.12 AML other m 2019-11-11T01:08:51.24
IV.CESI.HNE. ML:0.0 0.00037543685000000006 0.1296 AML other m 2019-11-11T01:08:51.24
IV.CESI.HNN. ML:0.0 0.0006075000000000001 0.48 AML other m 2019-11-11T01:08:51.33
IV.CESI.HHN. ML:0.0 0.0006795 0.48 AML other m 2019-11-11T01:08:51.33
IV.CSP1.EHE. ML:0.0 0.00026306885 0.12 AML other m 2019-11-11T01:08:52.78
IV.SMA1.EHN. ML:0.0 0.0003495586 0.2 AML other m 2019-11-11T01:08:51.24
IV.CSP1.EHN. ML:0.0 0.0003062938 0.2 AML other m 2019-11-11T01:08:52.58
IV.RM33.EHN. ML:0.0 0.00020796684999999999 0.14 AML other m 2019-11-11T01:08:53.10
IV.RM33.EHE. ML:0.0 0.00019477634999999998 0.16 AML other m 2019-11-11T01:08:53.16
IV.RM33.HNE. ML:0.0 0.000219111 0.36 AML other m 2019-11-11T01:08:53.34
IV.CAMP.HHE. ML:0.0 0.00007870041999999999 0.18 AML other m 2019-11-11T01:08:54.06
IV.SMA1.EHE. ML:0.0 0.0006466886 0.52 AML other m 2019-11-11T01:08:53.83
IV.CAMP.HHN. ML:0.0 0.00007570053000000001 0.18 AML other m 2019-11-11T01:08:54.10
IV.RM33.HNN. ML:0.0 0.00021205370000000002 0.14 AML other m 2019-11-11T01:08:53.10
IV.SAP2.EHE. ML:0.0 0.00026250000000000004 0.22 AML other m 2019-11-11T01:08:55.48
IV.SAP2.EHN. ML:0.0 0.00228 0.14 AML other m 2019-11-11T01:08:55.47
IV.TERO.HHE. ML:0.0 0.000186 0.12 AML other m 2019-11-11T01:08:55.59
IV.ARRO.EHN. ML:0.0 0.0001001417 0.24 AML other m 2019-11-11T01:08:55.39
IV.TERO.HHN. ML:0.0 0.00010146675499999999 0.1 AML other m 2019-11-11T01:08:55.68
IV.MF5.EHE. ML:0.0 0.000253 1.44 AML other m 2019-11-11T01:08:56.14
IV.MF5.EHN. ML:0.0 0.000195 0.54 AML other m 2019-11-11T01:08:56.75
IV.MOMA.HHE. ML:0.0 0.0002155 0.2 AML other m 2019-11-11T01:08:57.30
IV.MOMA.HHN. ML:0.0 0.000103966825 0.18 AML other m 2019-11-11T01:08:57.73
IV.ARRO.EHE. ML:0.0 0.00010485845 0.2 AML other m 2019-11-11T01:08:56.86
IV.SNTG.HHE. ML:0.0 0.00009134130499999999 0.14 AML other m 2019-11-11T01:08:59.03
IV.SNTG.HHN. ML:0.0 0.0000788529 0.12 AML other m 2019-11-11T01:08:59.54
IV.EL6.EHN. ML:0.0 0.0002663346 0.16 AML other m 2019-11-11T01:09:00.47
IV.FIAM.HHN. ML:1.3 0.00004225 1.16 AML other m 2019-11-11T01:09:00.94
IV.MNTT.EHE. ML:0.0 0.00024127765 0.26 AML other m 2019-11-11T01:08:59.93
IV.EL6.EHE. ML:0.0 0.00019743395 0.18 AML other m 2019-11-11T01:09:01.07
IV.MNTT.EHN. ML:0.0 0.00029800000000000003 0.28 AML other m 2019-11-11T01:09:01.10
IV.FIAM.HHE. ML:0.0 0.000038444255 1.42 AML other m 2019-11-11T01:09:02.06
IV.FAGN.HHN. ML:0.0 0.00009604999999999999 0.44 AML other m 2019-11-11T01:09:06.75
IV.ARVD.HHE. ML:0.0 0.000045406870000000005 0.18 AML other m 2019-11-11T01:09:06.53
IV.FAGN.HHE. ML:0.0 0.000090230175 0.44 AML other m 2019-11-11T01:09:08.04
IV.ARVD.HHN. ML:1.5 0.0000386 0.5 AML other m 2019-11-11T01:09:07.88
IV.TERO.HNE. ML:1.3 0.0000697842 0.8496 AML other m 2019-11-11T01:09:06.40
IV.TERO.HNN. ML:1.5 0.00009568514 0.8504 AML other m 2019-11-11T01:08:54.96
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