Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-04-2019 and time 10:08:12 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 3 km NE Norcia (PG), on

  • 11-04-2019 08:08:12 (UTC)
  • 11-04-2019 10:08:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8070, 13.1230 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 10 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 15 444 11908
Accumoli RI 16 667 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Sellano PG 18 1079 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km E 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 SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 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 1.6 2019-04-11
08:08:12		 42.807 13.123 9 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68331571
Reviewed
Rev100 		ML 1.8 2019-04-11
08:08:12		 42.8137 13.1277 11 2019-04-11
08:22:06		 Sala Sismica INGV-Roma 67456831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-11 08:08:12 ± 0.05
Latitude 42.8070 ± 0.0027
Longitude 13.1230 ± 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 68331571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 50
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
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) 46
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70327
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 68331571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-07 08:25:27

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 67456831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-11 08:22:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2019-04-11T08:08:47.09 3.0 undecidable manual S 0.22 0
IV.ARVD.HHZ. 2019-04-11T08:08:36.54 0.1 undecidable manual S 349 78.0663 50 0.78 72
IV.MURB.HHZ. 2019-04-11T08:08:33.70 0.1 undecidable manual S 316 70.0743 50 0.06 89
IV.EL6.EHZ. 2019-04-11T08:08:30.80 0.1 undecidable manual S 358 57.9975 50 0.4 85
IV.ATCC.EHZ. 2019-04-11T08:08:30.83 0.1 undecidable manual S 317 57.3981 50 0.58 81
IV.GIGS.HHZ. 2019-04-11T08:08:28.96 0.3 undecidable manual S 137 53.7018 50 -0.31 66
IV.MNTT.EHZ. 2019-04-11T08:08:27.84 0.1 undecidable manual S 53 47.7189 50 0.18 91
IV.MOMA.HHZ. 2019-04-11T08:08:27.18 0.1 undecidable manual S 270 45.0216 50 0.24 90
IT.GNU.HGE. 2019-04-11T08:08:27.38 0.3 undecidable manual S 270 45.0216 50 0.45 65
IV.SAP2.EHE. 2019-04-11T08:08:26.03 0.1 undecidable manual S 35 39.2274 50 0.64 82
IV.TERO.HHZ. 2019-04-11T08:08:26.51 0.1 undecidable manual S 117 44.2224 50 -0.22 91
IV.MDAR.HNN. 2019-04-11T08:08:26.06 0.3 undecidable manual S 2 42.8238 50 -0.29 67
IV.ARRO.EHZ. 2019-04-11T08:08:25.10 0.1 undecidable manual S 229 38.5281 50 -0.12 94
IV.ARVD.HHZ. 2019-04-11T08:08:25.40 0.1 undecidable manual P 349 78.0663 50 -0.33 83
IV.PF6.EHN. 2019-04-11T08:08:24.20 0.1 undecidable manual S 9 37.1295 50 -0.65 82
IV.MURB.HHZ. 2019-04-11T08:08:24.74 0.1 undecidable manual P 316 70.0743 50 0.24 86
IV.CAMP.HHZ. 2019-04-11T08:08:24.79 0.1 undecidable manual S 142 38.0286 50 -0.3 90
IV.MF5.EHZ. 2019-04-11T08:08:24.37 0.1 undecidable manual S 54 33.9438 50 0.39 89
IV.MML1.HNE. 2019-04-11T08:08:23.76 0.1 undecidable manual S 340 36.1416 50 -0.82 76
IV.RM33.EHZ. 2019-04-11T08:08:23.78 0.1 undecidable manual S 167 33.9438 50 -0.19 93
IV.EL6.EHZ. 2019-04-11T08:08:22.42 0.1 positive manual P 358 57.9975 50 -0.21 89
IV.ATCC.EHZ. 2019-04-11T08:08:22.62 0.1 undecidable manual P 317 57.3981 50 0.07 91
IV.CESI.HHZ. 2019-04-11T08:08:21.93 0.1 undecidable manual S 321 28.2495 108 -0.38 90
IT.GNU.HGE. 2019-04-11T08:08:21.04 0.3 undecidable manual P 270 45.0216 50 0.41 65
IV.GIGS.HHZ. 2019-04-11T08:08:21.77 0.1 undecidable manual P 137 53.7018 50 -0.21 89
IV.T1299.HNN. 2019-04-11T08:08:21.13 0.1 undecidable manual S 146 23.1546 111 0.48 89
IV.MNTT.EHZ. 2019-04-11T08:08:21.87 0.1 undecidable manual P 53 47.7189 50 0.82 75
IV.SMA1.EHZ. 2019-04-11T08:08:21.30 0.1 undecidable manual S 138 26.1516 109 -0.32 92
IV.MOMA.HHZ. 2019-04-11T08:08:20.62 0.1 undecidable manual P 270 45.0216 50 -0.01 95
IV.GAVE.EHZ. 2019-04-11T08:08:20.32 0.1 undecidable manual S 236 22.5552 112 -0.14 96
IV.LNSS.HHZ. 2019-04-11T08:08:20.96 0.1 undecidable manual S 197 23.6541 111 0.16 95
IV.FDMO.HHZ. 2019-04-11T08:08:20.88 0.1 undecidable manual S 354 25.6521 109 -0.57 86
IV.TERO.HHZ. 2019-04-11T08:08:20.20 0.1 undecidable manual P 117 44.2224 50 -0.31 89
IT.MTCL.HGZ. 2019-04-11T08:08:20.17 0.1 undecidable manual S 334 23.0547 111 -0.44 90
IV.MTRA.EHZ. 2019-04-11T08:08:20.42 0.1 undecidable manual S 104 22.9548 112 -0.17 95
IV.MDAR.HNN. 2019-04-11T08:08:20.09 0.3 undecidable manual P 2 42.8238 50 -0.21 69
IV.CAMP.HHZ. 2019-04-11T08:08:19.29 0.1 undecidable manual P 142 38.0286 50 -0.28 91
IV.MF5.EHZ. 2019-04-11T08:08:19.07 0.1 undecidable manual P 54 33.9438 50 0.14 94
IV.ARRO.EHZ. 2019-04-11T08:08:19.51 0.1 undecidable manual P 229 38.5281 50 -0.13 93
IV.MMO1.EHZ. 2019-04-11T08:08:19.30 0.1 undecidable manual S 58 19.4694 115 -0.18 96
IV.PF6.EHN. 2019-04-11T08:08:19.08 0.1 positive manual P 9 37.1295 50 -0.34 90
IV.SAP2.EHE. 2019-04-11T08:08:19.96 0.1 undecidable manual P 35 39.2274 50 0.22 92
IV.MML1.HNE. 2019-04-11T08:08:18.96 0.1 undecidable manual P 340 36.1416 50 -0.31 90
IV.RM33.EHZ. 2019-04-11T08:08:18.86 0.1 undecidable manual P 167 33.9438 50 -0.06 96
IV.FEMA.HNE. 2019-04-11T08:08:18.98 0.1 undecidable manual S 341 18.1707 116 -0.1 98
IV.FDMO.HHZ. 2019-04-11T08:08:17.29 0.1 undecidable manual P 354 25.6521 109 -0.18 95
IV.SMA1.EHZ. 2019-04-11T08:08:17.66 0.1 undecidable manual P 138 26.1516 109 0.1 96
IV.MC2.EHZ. 2019-04-11T08:08:17.86 0.1 undecidable manual S 25 12.7761 125 0.41 92
IV.GAVE.EHZ. 2019-04-11T08:08:17.13 0.1 undecidable manual P 236 22.5552 112 0.24 94
IV.CESI.HHZ. 2019-04-11T08:08:17.82 0.1 positive manual P 321 28.2495 108 -0.14 95
IV.LNSS.HHZ. 2019-04-11T08:08:17.16 0.1 undecidable manual P 197 23.6541 111 0.07 97
IV.T1299.HNN. 2019-04-11T08:08:17.21 0.1 undecidable manual P 146 23.1546 111 0.21 95
IV.MMO1.EHZ. 2019-04-11T08:08:16.36 0.1 positive manual P 58 19.4694 115 0.03 99
IV.FEMA.HNE. 2019-04-11T08:08:16.23 0.1 undecidable manual P 341 18.1707 116 0.14 97
IT.MTCL.HGZ. 2019-04-11T08:08:16.90 0.1 undecidable manual P 334 23.0547 111 -0.08 97
IV.MTRA.EHZ. 2019-04-11T08:08:16.94 0.1 undecidable manual P 104 22.9548 112 -0.03 98
IV.NRCA.HNZ. 2019-04-11T08:08:15.44 0.1 undecidable manual S 347 2.997 162 0.1 100
IV.MC2.EHZ. 2019-04-11T08:08:15.52 0.1 positive manual P 25 12.7761 125 0.36 93
IV.NRCA.HNZ. 2019-04-11T08:08:14.31 0.1 positive manual P 347 2.997 162 0.38 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.0 0.005937467 0.16 AML other m 2019-04-11T08:08:15.97
IV.NRCA.HNN. ML:0.0 0.005293865 0.128 AML other m 2019-04-11T08:08:15.61
IV.NRCA.HHN. ML:0.0 0.005186317 0.1216 AML other m 2019-04-11T08:08:15.61
IV.NRCA.HHE. ML:0.0 0.0060565435 0.16 AML other m 2019-04-11T08:08:15.97
IV.MTRA.EHE. ML:1.9 0.00059703145 0.2048 AML other m 2019-04-11T08:08:21.78
IV.MTRA.EHN. ML:1.8 0.00043752635 0.2176 AML other m 2019-04-11T08:08:21.70
IV.MTRA.HNE. ML:1.9 0.0005887465999999999 0.192 AML other m 2019-04-11T08:08:21.78
IV.MTRA.HNN. ML:1.8 0.0004571499 0.2112 AML other m 2019-04-11T08:08:21.70
IV.FDMO.HHN. ML:1.7 0.0003090475 0.2816 AML other m 2019-04-11T08:08:21.59
IV.SMA1.EHN. ML:1.7 0.00028652355 0.1856 AML other m 2019-04-11T08:08:22.97
IV.SMA1.EHE. ML:1.7 0.0002680073 0.2432 AML other m 2019-04-11T08:08:23.37
IV.CESI.HHE. ML:1.6 0.0002153231 0.096 AML other m 2019-04-11T08:08:22.24
IV.RM33.EHE. ML:1.5 0.000138262 0.1216 AML other m 2019-04-11T08:08:24.96
IV.RM33.HNN. ML:1.4 0.00011781572500000001 0.096 AML other m 2019-04-11T08:08:24.64
IV.RM33.EHN. ML:1.4 0.00011139989999999999 0.1408 AML other m 2019-04-11T08:08:24.86
IV.RM33.HNE. ML:1.5 0.00014027123499999998 0.1088 AML other m 2019-04-11T08:08:24.95
IV.MF5.EHE. ML:1.8 0.00029533125 0.2432 AML other m 2019-04-11T08:08:24.98
IV.MF5.EHN. ML:1.8 0.00024367064999999998 0.1984 AML other m 2019-04-11T08:08:24.98
IV.CAMP.HHE. ML:1.2 0.00006358778000000001 0.2368 AML other m 2019-04-11T08:08:25.26
IV.ARRO.EHN. ML:1.5 0.00011920055 0.3392 AML other m 2019-04-11T08:08:26.65
IV.ARRO.EHE. ML:1.5 0.00010399814999999999 0.1984 AML other m 2019-04-11T08:08:27.69
IV.TERO.HHE. ML:1.4 0.000087107775 0.16 AML other m 2019-04-11T08:08:27.72
IV.TERO.HNN. ML:1.4 0.000070052365 0.0832 AML other m 2019-04-11T08:08:27.34
IV.TERO.HHN. ML:1.7 0.0001476487 0.096 AML other m 2019-04-11T08:08:27.34
IV.MOMA.HHE. ML:1.5 0.00010094339999999999 0.1408 AML other m 2019-04-11T08:08:28.32
IV.EL6.EHN. ML:1.8 0.00015216715 0.1984 AML other m 2019-04-11T08:08:31.79
IV.ATCC.EHN. ML:1.4 0.00005602493 0.1984 AML other m 2019-04-11T08:08:32.10
IV.ATCC.EHE. ML:1.6 0.000087070125 0.16 AML other m 2019-04-11T08:08:32.10
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