Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-04-2017 and time 18:44:08 (Italy) in region 6 km SE Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 6 km SE Norcia (PG), on

  • 05-04-2017 16:44:08 (UTC)
  • 05-04-2017 18:44:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 13.1490 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 6 4957 4957
Accumoli RI 11 667 5624
Cascia PG 12 3217 8841
Arquata del Tronto AP 12 1178 10019
Castelsantangelo sul Nera MC 15 281 10300
Cittareale RI 16 482 10782
Preci PG 16 724 11506
Montegallo AP 18 523 12029
Poggiodomo PG 18 117 12146
Amatrice RI 18 2657 14803
Monteleone di Spoleto PG 20 599 15402
Visso MC 20 1107 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SE of Foligno (57155 inhabitants)
47 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
93 Km W of Pescara (121014 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km W of Chieti (51815 inhabitants)
100 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
Reviewed
Rev100 		ML 1.4 2017-04-05
16:44:08		 42.7577 13.1493 9 2017-04-05
17:48:15		 Sala Sismica INGV-Roma 43428041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-05 16:44:08 ± 0.06
Latitude 42.7577 ± 0.0027
Longitude 13.1493 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43428041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 159
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57287
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 43428041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-05 17:48:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-04-05T16:44:29.04 0.3 undecidable manual S 357 63.5919 50 0.91 52
IV.MOMA.HHZ. 2017-04-05T16:44:24.05 0.6 undecidable manual S 276 47.4192 50 0.22 45
IV.PE3.EHZ. 2017-04-05T16:44:22.95 3.0 negative manual Pn -2.9 0
IV.TERO.HHZ. 2017-04-05T16:44:21.63 0.1 undecidable manual S 112 39.9267 50 -0.21 92
IV.T1219.EHZ. 2017-04-05T16:44:20.05 0.3 undecidable manual S 341 35.1426 50 -0.48 65
IV.EL6.EHZ. 2017-04-05T16:44:19.85 0.3 undecidable manual P 357 63.5919 50 0.11 67
IV.T1211.EHZ. 2017-04-05T16:44:19.94 0.3 undecidable manual S 224 34.6431 50 -0.46 66
IV.RM33.EHZ. 2017-04-05T16:44:18.16 0.3 undecidable manual S 169 28.0497 108 -0.38 68
IV.MOMA.HHZ. 2017-04-05T16:44:17.92 0.6 undecidable manual P 276 47.4192 50 0.66 40
IV.T1241.EHZ. 2017-04-05T16:44:17.24 0.3 undecidable manual S 64 25.4523 110 -0.43 67
IV.T1220.EHZ. 2017-04-05T16:44:16.31 0.1 undecidable manual P 353 39.4272 50 0.28 90
IV.MMO1.EHZ. 2017-04-05T16:44:16.07 0.6 undecidable manual S 43 21.3675 113 -0.29 47
IV.SMA1.EHZ. 2017-04-05T16:44:16.49 0.3 undecidable manual S 133 20.6682 114 0.34 69
IV.T1216.EHZ. 2017-04-05T16:44:15.33 0.6 undecidable manual S 324 18.1707 117 -0.03 49
IV.TERO.HHZ. 2017-04-05T16:44:15.79 0.3 undecidable manual P 112 39.9267 50 -0.32 67
IV.MC2.EHZ. 2017-04-05T16:44:15.39 0.6 undecidable manual S 11 17.3715 118 0.28 47
IV.T1299.EHZ. 2017-04-05T16:44:15.52 0.3 undecidable manual S 142 17.4714 118 0.38 69
IV.T1217.EHZ. 2017-04-05T16:44:15.60 0.6 undecidable manual S 254 18.4704 116 0.16 48
IV.T1219.EHZ. 2017-04-05T16:44:15.19 0.1 undecidable manual P 341 35.1426 50 -0.17 93
IV.RM33.EHZ. 2017-04-05T16:44:14.31 0.6 undecidable manual P 169 28.0497 108 0.1 48
IV.FDMO.HHZ. 2017-04-05T16:44:14.61 0.6 positive manual P 351 31.3464 50 -0.17 47
IV.T1211.EHZ. 2017-04-05T16:44:14.91 0.1 undecidable manual P 224 34.6431 50 -0.37 89
IV.CAMP.HHZ. 2017-04-05T16:44:14.95 0.1 undecidable manual P 139 32.4453 50 0 97
IV.SMA1.EHZ. 2017-04-05T16:44:13.28 0.3 undecidable manual P 133 20.6682 114 0.45 67
IV.T1245.HHZ. 2017-04-05T16:44:13.17 0.6 undecidable manual S 16 11.3775 129 -0.2 48
IV.MMO1.EHZ. 2017-04-05T16:44:13.00 0.1 undecidable manual P 43 21.3675 113 0.05 98
IV.T1241.EHZ. 2017-04-05T16:44:13.80 0.1 undecidable manual P 64 25.4523 110 0.09 96
IV.MC2.EHZ. 2017-04-05T16:44:12.33 0.1 undecidable manual P 11 17.3715 118 0.1 97
IV.T1218.EHZ. 2017-04-05T16:44:12.94 0.6 undecidable manual S 196 10.0788 132 -0.09 49
IV.T1299.EHZ. 2017-04-05T16:44:12.67 0.1 undecidable manual P 142 17.4714 118 0.43 91
IV.T1217.EHZ. 2017-04-05T16:44:12.49 1.0 undecidable manual P 254 18.4704 116 0.07 24
IV.T1216.EHZ. 2017-04-05T16:44:12.32 0.1 undecidable manual P 324 18.1707 117 -0.05 98
IV.NRCA.HHZ. 2017-04-05T16:44:12.30 0.6 undecidable manual S 341 8.88 136 -0.43 46
IV.T1212.EHZ. 2017-04-05T16:44:12.44 0.6 undecidable manual S 266 8.5803 137 -0.2 48
IV.T1218.EHZ. 2017-04-05T16:44:11.10 0.6 undecidable manual P 196 10.0788 132 0.08 50
IV.T1245.HHZ. 2017-04-05T16:44:11.34 0.3 negative manual P 16 11.3775 129 0.11 74
IV.NRCA.HHZ. 2017-04-05T16:44:10.90 0.1 negative manual P 341 8.88 136 0.05 100
IV.T1212.EHZ. 2017-04-05T16:44:10.98 0.3 positive manual P 266 8.5803 137 0.18 73
IV.T1214.EHZ. 2017-04-05T16:44:10.98 0.6 undecidable manual S 87 4.8951 152 -0.92 39
IV.T1214.EHZ. 2017-04-05T16:44:10.12 1.0 undecidable manual P 87 4.8951 152 -0.25 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.0000401 0.22 AML other m 2017-04-05T16:44:21.26
IV.FDMO.HHN. ML:0.9 0.0000404 0.62 AML other m 2017-04-05T16:44:22.19
IV.GIGS.HHN. ML:0.9 0.00002215 0.16 AML other m 2017-04-05T16:44:11.51
IV.GIGS.HHE. ML:0.9 0.00002165 0.1 AML other m 2017-04-05T16:44:11.57
IV.NRCA.HHE. ML:1.8 0.001035 0.78 AML other m 2017-04-05T16:44:13.72
IV.NRCA.HNE. ML:1.8 0.001008 0.76 AML other m 2017-04-05T16:44:13.72
IV.NRCA.HHN. ML:1.8 0.00088 0.12 AML other m 2017-04-05T16:44:12.73
IV.NRCA.HNN. ML:1.8 0.0008675 1.02 AML other m 2017-04-05T16:44:13.73
IV.RM33.EHE. ML:1.1 0.0000624 0.18 AML other m 2017-04-05T16:44:19.44
IV.SMA1.EHE. ML:1.3 0.0001395 1.28 AML other m 2017-04-05T16:44:21.26
IV.SMA1.EHN. ML:1.2 0.0001181 0.98 AML other m 2017-04-05T16:44:18.31
IV.T1212.HNN. ML:1.4 0.00041099999999999996 0.4 AML other m 2017-04-05T16:44:12.81
IV.T1212.EHN. ML:1.4 0.0004125 0.16 AML other m 2017-04-05T16:44:12.61
IV.T1212.HNE. ML:1.5 0.0004815 0.5 AML other m 2017-04-05T16:44:12.65
IV.T1212.EHE. ML:1.5 0.000474 0.5 AML other m 2017-04-05T16:44:12.66
IV.T1214.EHE. ML:1.9 0.0014299999999999998 0.22 AML other m 2017-04-05T16:44:11.15
IV.T1214.HNN. ML:1.7 0.0009350000000000001 1.38 AML other m 2017-04-05T16:44:11.10
IV.T1214.EHN. ML:1.7 0.000911 1.38 AML other m 2017-04-05T16:44:11.10
IV.T1214.HNE. ML:1.9 0.0014849999999999998 0.2 AML other m 2017-04-05T16:44:11.15
IV.T1216.EHN. ML:1.2 0.000141 0.64 AML other m 2017-04-05T16:44:17.45
IV.T1216.EHE. ML:1.2 0.00012635 0.36 AML other m 2017-04-05T16:44:18.61
IV.T1218.HNN. ML:1.3 0.00023999999999999998 0.84 AML other m 2017-04-05T16:44:15.51
IV.T1218.EHE. ML:1.2 0.0002065 0.94 AML other m 2017-04-05T16:44:13.80
IV.T1218.EHN. ML:1.3 0.0002395 0.16 AML other m 2017-04-05T16:44:14.39
IV.T1218.HNE. ML:1.2 0.0002165 0.5 AML other m 2017-04-05T16:44:15.56
IV.T1241.EHN. ML:1.1 0.0000693 0.56 AML other m 2017-04-05T16:44:20.58
IV.T1241.EHE. ML:1.1 0.00006920000000000002 0.6 AML other m 2017-04-05T16:44:19.86
IV.T1245.HHE. ML:1.8 0.0007005000000000001 0.74 AML other m 2017-04-05T16:44:14.46
IV.T1245.HHN. ML:1.8 0.0007715 0.2 AML other m 2017-04-05T16:44:13.82
IV.T1245.HNE. ML:1.8 0.000743 0.14 AML other m 2017-04-05T16:44:14.02
IV.T1245.HNN. ML:1.8 0.0007465 0.5 AML other m 2017-04-05T16:44:13.82
IV.T1299.EHN. ML:1.0 0.0000953 1.56 AML other m 2017-04-05T16:44:16.79
IV.T1299.EHE. ML:1.0 0.0000948 0.66 AML other m 2017-04-05T16:44:17.66
IV.TERO.HHN. ML:1.0 0.0000353 0.1 AML other m 2017-04-05T16:44:21.85
IV.TERO.HHE. ML:0.9 0.00003225 0.72 AML other m 2017-04-05T16:44:22.37
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