Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-11-2018 and time 09:07:59 (UTC) in region 3 km E Norcia (PG)

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

  • 30-11-2018 09:07:59 (UTC)
  • 30-11-2018 10:07:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.13 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 17 523 14173
Sellano PG 19 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)
69 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
Rev 1000 ML 1.7 2018-11-30
09:07:59		 42.81 13.13 9 2019-06-04
09:16:02		 Bollettino Sismico Italiano INGV 63831641
Rev 100 ML 1.8 2018-11-30
09:07:58		 42.81 13.13 10 2018-11-30
09:13:19		 Sala Sismica INGV-Roma 63494101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-30 09:07:59 ± 0.05
Latitude 42.81 ± 0.00
Longitude 13.13 ± 0.00
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 63831641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 65
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) 340
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 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.84626
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 63831641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-11 08:27:59

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 63494101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-30 09:13:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSFR.HHN. 2018-11-30T09:08:23.02 0.6 undecidable manual S 338 0.6772 50 1.03 33
IV.ARVD.HHE. 2018-11-30T09:08:23.67 0.6 undecidable manual S 349 0.7042 50 0.9 35
IV.ATCC.EHZ. 2018-11-30T09:08:18.06 0.6 undecidable manual S 317 0.5189 50 0.76 38
IV.EL6.EHZ. 2018-11-30T09:08:17.84 0.6 undecidable manual S 358 0.5225 50 0.44 43
IV.FIAM.HNN. 2018-11-30T09:08:17.96 0.6 undecidable manual S 181 0.5387 50 0.1 46
IV.GIGS.HHZ. 2018-11-30T09:08:16.21 0.6 undecidable manual S 137 0.482 50 0.01 47
IV.PIEI.HHE. 2018-11-30T09:08:15.12 0.6 undecidable manual P 330 0.8463 50 -0.05 44
IV.SNTG.HHZ. 2018-11-30T09:08:15.86 0.6 undecidable manual S 343 0.4685 50 0.08 47
IV.ASSB.HHZ. 2018-11-30T09:08:14.15 0.6 undecidable manual S 305 0.4155 50 -0.08 47
IV.MOMA.HHZ. 2018-11-30T09:08:14.31 0.6 undecidable manual S 270 0.4074 50 0.31 45
IV.ARVD.HHE. 2018-11-30T09:08:12.54 0.6 undecidable manual P 349 0.7042 50 -0.19 44
IV.SSFR.HHN. 2018-11-30T09:08:12.56 0.6 undecidable manual P 338 0.6772 50 0.28 43
IV.VCEL.EHN. 2018-11-30T09:08:12.70 0.6 undecidable manual P 128 0.6673 50 0.59 40
IV.PF6.EHN. 2018-11-30T09:08:11.21 0.6 undecidable manual S 9 0.3345 50 -0.62 42
IV.MF5.EHZ. 2018-11-30T09:08:11.64 0.6 undecidable manual S 53 0.304 50 0.72 41
IV.CAMP.HHZ. 2018-11-30T09:08:11.68 0.6 undecidable manual S 142 0.3408 50 -0.34 46
IV.MML1.HNE. 2018-11-30T09:08:11.14 0.6 undecidable manual S 340 0.3265 50 -0.46 45
IV.GUMA.HHZ. 2018-11-30T09:08:10.74 0.6 undecidable manual S 31 0.2977 50 -0.01 49
IV.RM33.EHZ. 2018-11-30T09:08:10.53 0.6 undecidable manual S 168 0.3049 50 -0.4 45
IV.GIGS.HHZ. 2018-11-30T09:08:09.03 0.6 undecidable manual P 137 0.482 50 0.09 47
IV.EL6.EHZ. 2018-11-30T09:08:09.33 0.3 undecidable manual P 358 0.5225 50 -0.3 66
IV.ATCC.EHZ. 2018-11-30T09:08:09.67 0.6 undecidable manual P 317 0.5189 50 0.1 46
IV.FIAM.HNN. 2018-11-30T09:08:09.62 0.6 undecidable manual P 181 0.5387 50 -0.28 44
IV.CESI.HHZ. 2018-11-30T09:08:08.93 0.6 undecidable manual S 321 0.2563 108 -0.44 45
IV.LNSS.HHZ. 2018-11-30T09:08:08.07 0.6 undecidable manual S 197 0.2131 111 0.26 48
IV.SNTG.HHZ. 2018-11-30T09:08:08.40 0.6 undecidable manual P 343 0.4685 50 -0.3 45
IV.FDMO.HHN. 2018-11-30T09:08:08.01 0.6 undecidable manual S 353 0.2311 109 -0.46 45
IV.MTRA.EHZ. 2018-11-30T09:08:07.61 0.6 undecidable manual S 104 0.2041 112 0.11 49
IV.GAVE.EHZ. 2018-11-30T09:08:07.58 0.6 undecidable manual S 236 0.205 112 0.05 50
IV.ASSB.HHZ. 2018-11-30T09:08:07.49 0.6 undecidable manual P 305 0.4155 50 -0.31 45
IV.MOMA.HHZ. 2018-11-30T09:08:07.81 0.3 undecidable manual P 270 0.4074 50 0.14 70
IV.TERO.HHZ. 2018-11-30T09:08:07.14 0.6 undecidable manual P 117 0.3957 50 -0.32 45
IV.ARRO.EHZ. 2018-11-30T09:08:06.43 0.3 undecidable manual P 229 0.3489 50 -0.23 70
IV.MML1.HNE. 2018-11-30T09:08:06.12 0.6 undecidable manual P 340 0.3265 50 -0.16 47
IV.MMO1.EHZ. 2018-11-30T09:08:06.40 0.6 undecidable manual S 58 0.1736 115 -0.01 50
IV.CAMP.HHZ. 2018-11-30T09:08:06.30 0.6 undecidable manual P 142 0.3408 50 -0.22 47
IV.RM33.EHZ. 2018-11-30T09:08:05.66 0.6 undecidable manual P 168 0.3049 50 -0.24 47
IV.GUMA.HHZ. 2018-11-30T09:08:05.75 0.1 positive manual P 31 0.2977 50 -0.04 98
IV.PF6.EHN. 2018-11-30T09:08:05.99 0.3 undecidable manual P 9 0.3345 50 -0.43 67
IV.FEMA.HNE. 2018-11-30T09:08:05.99 0.6 undecidable manual S 340 0.1655 116 -0.13 49
IV.MF5.EHZ. 2018-11-30T09:08:05.96 0.3 undecidable manual P 53 0.304 50 0.07 73
IV.LNSS.HHZ. 2018-11-30T09:08:04.11 0.3 undecidable manual P 197 0.2131 111 0.01 75
IV.SMA1.EHZ. 2018-11-30T09:08:04.57 0.6 undecidable manual P 139 0.2338 109 0.05 49
IV.FDMO.HHN. 2018-11-30T09:08:04.25 0.3 undecidable manual P 353 0.2311 109 -0.23 72
IV.MC2.EHZ. 2018-11-30T09:08:04.46 0.6 undecidable manual S 24 0.1142 126 0.03 51
IV.T1299.HNN. 2018-11-30T09:08:04.24 0.3 undecidable manual P 146 0.2068 112 0.28 71
IV.CESI.HHZ. 2018-11-30T09:08:04.82 0.6 undecidable manual P 321 0.2563 108 -0.18 48
IV.MMO1.EHZ. 2018-11-30T09:08:03.24 0.1 positive manual P 58 0.1736 115 -0.05 100
IV.MTRA.EHZ. 2018-11-30T09:08:03.85 0.3 undecidable manual P 104 0.2041 112 -0.06 74
IV.GAVE.EHZ. 2018-11-30T09:08:03.99 0.3 undecidable manual P 236 0.205 112 0.06 74
IV.FEMA.HNE. 2018-11-30T09:08:03.17 0.6 undecidable manual P 340 0.1655 116 0.06 50
IV.MC2.EHZ. 2018-11-30T09:08:02.42 0.1 positive manual P 24 0.1142 126 0.28 96
IV.NRCA.HNZ. 2018-11-30T09:08:02.41 0.6 undecidable manual S 342 0.0279 161 0.05 51
IV.NRCA.HNZ. 2018-11-30T09:08:01.22 0.3 undecidable manual P 342 0.0279 161 0.28 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0 0.0096925515 0.16 AML other m 2018-11-30T09:08:02.55
IV.NRCA.HNE. ML:0 0.005342576 0.1408 AML other m 2018-11-30T09:08:02.90
IV.NRCA.HHE. ML:0 0.0056031455 0.1344 AML other m 2018-11-30T09:08:02.91
IV.GAVE.HNE. ML:0 0.000841376 0.2624 AML other m 2018-11-30T09:08:09.22
IV.GAVE.EHE. ML:2.1 0.0009215 1.36 AML other m 2018-11-30T09:08:08.72
IV.LNSS.HHN. ML:0 0.0011531015 0.16 AML other m 2018-11-30T09:08:08.37
IV.LNSS.HNN. ML:0 0.0010431665 0.16 AML other m 2018-11-30T09:08:08.37
IV.MTRA.EHE. ML:0 0.00037981215 0.16 AML other m 2018-11-30T09:08:08.38
IV.LNSS.HHE. ML:0 0.0015204915 0.16 AML other m 2018-11-30T09:08:08.50
IV.LNSS.HNE. ML:0 0.001388274 0.1472 AML other m 2018-11-30T09:08:08.50
IV.GAVE.EHN. ML:2 0.000663 0.3 AML other m 2018-11-30T09:08:08.55
IV.CESI.HHN. ML:0 0.00025464015 0.1024 AML other m 2018-11-30T09:08:09.05
IV.CESI.HHE. ML:0 0.00024378025 0.1024 AML other m 2018-11-30T09:08:09.09
IV.MTRA.HNN. ML:0 0.0005005044 0.224 AML other m 2018-11-30T09:08:08.79
IV.MTRA.EHN. ML:0 0.00050746325 0.224 AML other m 2018-11-30T09:08:08.79
IV.GAVE.HNN. ML:0 0.0002297038 0.2816 AML other m 2018-11-30T09:08:08.40
IV.MTRA.HNE. ML:0 0.00040907875 0.1664 AML other m 2018-11-30T09:08:08.38
IV.GUMA.HHE. ML:0 0.00067630755 0.32 AML other m 2018-11-30T09:08:11.54
IV.CAMP.HHE. ML:0 4.641683E-5 0.1792 AML other m 2018-11-30T09:08:11.75
IV.SMA1.EHE. ML:1.7 0.0003165 1.14 AML other m 2018-11-30T09:08:12.13
IV.RM33.EHN. ML:1.6 0.000166 0.24 AML other m 2018-11-30T09:08:12.42
IV.RM33.EHE. ML:0 0.0001342599 0.096 AML other m 2018-11-30T09:08:12.02
IV.SMA1.EHN. ML:1.6 0.0002455 0.32 AML other m 2018-11-30T09:08:13.19
IV.GUMA.HHN. ML:2.1 0.000519 0.7 AML other m 2018-11-30T09:08:14.23
IV.ARRO.EHN. ML:1.5 0.0001135 0.64 AML other m 2018-11-30T09:08:14.26
IV.TERO.HHN. ML:1.5 9.17E-5 0.1 AML other m 2018-11-30T09:08:14.26
IV.ARRO.EHE. ML:1.5 0.000126 0.82 AML other m 2018-11-30T09:08:14.61
IV.MOMA.HHN. ML:0 0.00013906255 0.4224 AML other m 2018-11-30T09:08:14.97
IV.MOMA.HHE. ML:0 0.0001746594 0.16 AML other m 2018-11-30T09:08:15.21
IV.ASSB.HHN. ML:0 0.000109765445 0.16 AML other m 2018-11-30T09:08:15.93
IV.CAMP.HHN. ML:1.2 5.385435E-5 0.7744 AML other m 2018-11-30T09:08:15.59
IV.ASSB.HHE. ML:0 8.0444435E-5 0.1216 AML other m 2018-11-30T09:08:14.54
IV.SNTG.HHE. ML:1.5 8.25E-5 1.28 AML other m 2018-11-30T09:08:16.35
IV.TERO.HHE. ML:0 7.437557E-5 0.1216 AML other m 2018-11-30T09:08:14.54
IV.SNTG.HHN. ML:1.4 7.055E-5 0.3 AML other m 2018-11-30T09:08:17.97
IV.EL6.EHE. ML:0 0.0001644016 0.1408 AML other m 2018-11-30T09:08:18.68
IV.EL6.EHN. ML:0 0.0001939513 0.1984 AML other m 2018-11-30T09:08:18.36
IV.ATCC.EHN. ML:0 8.0968255E-5 0.1792 AML other m 2018-11-30T09:08:19.08
IV.ATCC.EHE. ML:0 8.398592E-5 0.1408 AML other m 2018-11-30T09:08:19.08
IV.MURB.HHN. ML:0 0.00011505 1.1 AML other m 2018-11-30T09:08:26.81
IV.MURB.HHE. ML:0 0.00016 0.3 AML other m 2018-11-30T09:08:26.63
IV.NRCA.HNN. ML:0 0.0094583555 0.1472 AML other m 2018-11-30T09:08:02.54
IV.MF5.EHE. ML:1.7 0.0002094855 0.2752 AML other m 2018-11-30T09:08:11.84
IV.MF5.EHN. ML:1.6 0.000171589055 0.2176 AML other m 2018-11-30T09:08:11.85
IV.MOMA.HNE. ML:1.8 0.00017347645 0.1536 AML other m 2018-11-30T09:08:15.29
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download