Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 05-12-2017 and time 22:12:22 (UTC) in region 4 km NW Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 4 km NW Norcia (PG), on

  • 05-12-2017 22:12:22 (UTC)
  • 05-12-2017 23:12:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8140, 13.0470 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 4 4957 4957
Preci PG 7 724 5681
Cerreto di Spoleto PG 11 1075 6756
Cascia PG 11 3217 9973
Castelsantangelo sul Nera MC 13 281 10254
Sellano PG 13 1079 11333
Visso MC 14 1107 12440
Poggiodomo PG 15 117 12557
Vallo di Nera PG 16 364 12921
Ussita MC 16 444 13365
Sant'Anatolia di Narco PG 19 564 13929
Monteleone di Spoleto PG 20 599 14528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
97 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
Bulletin
Rev1000 		ML 2.0 2017-12-05
22:12:22		 42.8142 13.0473 9 2019-03-25
14:09:22		 Bollettino Sismico Italiano INGV 62116691
Reviewed
Rev100 		ML 2.1 2017-12-05
22:12:22		 42.8157 13.0472 10 2017-12-05
22:23:05		 Sala Sismica INGV-Roma 52361571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-05 22:12:22 ± 0.05
Latitude 42.8142 ± 0.0027
Longitude 13.0473 ± 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 62116691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 68
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) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.79320
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 65
Type of magnitude ML
Reference to an origin 62116691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-19 16:21:00

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 52361571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-05 22:23:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2017-12-05T22:12:46.96 0.6 undecidable manual S 354 76.368 50 1.2 30
IV.MURB.HHZ. 2017-12-05T22:12:44.00 0.6 undecidable manual S 320 65.3901 50 1.16 31
IV.CING.HHZ. 2017-12-05T22:12:42.83 0.3 undecidable manual S 11 63.3921 50 0.52 62
IV.FIAM.HHZ. 2017-12-05T22:12:42.08 0.6 undecidable manual S 175 60.8946 50 0.45 42
IV.EL6.EHZ. 2017-12-05T22:12:41.16 0.6 undecidable manual S 4 57.2982 50 0.47 42
IV.FOSV.EHZ. 2017-12-05T22:12:41.24 0.3 undecidable manual S 337 58.1973 50 0.34 66
IV.MNTP.HNZ. 2017-12-05T22:12:40.21 0.3 undecidable manual S 44 49.617 50 1.6 38
IV.ATCC.EHZ. 2017-12-05T22:12:39.66 0.3 undecidable manual S 321 52.8027 50 0.18 68
IV.SNTG.HHZ. 2017-12-05T22:12:38.49 0.3 undecidable manual S 350 49.7169 50 -0.15 69
IV.TERO.HHZ. 2017-12-05T22:12:38.55 0.6 undecidable manual S 115 50.1165 50 -0.2 46
IV.T0110.HHZ. 2017-12-05T22:12:37.86 0.3 undecidable manual P 137 88.0452 50 0.12 65
IV.FRON.EHZ. 2017-12-05T22:12:36.97 0.3 undecidable manual P 342 82.251 50 0.12 65
IV.MF5.EHZ. 2017-12-05T22:12:36.21 0.6 undecidable manual S 60 38.628 50 0.51 43
IV.SRES.HHZ. 2017-12-05T22:12:36.36 0.3 undecidable manual P 215 77.6667 50 0.22 65
IV.CAMP.HHZ. 2017-12-05T22:12:36.81 0.6 undecidable manual S 136 42.7239 50 0.03 48
IV.MDAR.HNN. 2017-12-05T22:12:36.48 0.3 undecidable manual S 10 42.7239 50 -0.3 68
IV.GUMA.HHZ. 2017-12-05T22:12:35.15 0.1 undecidable manual S 40 36.1416 50 0.12 95
IV.MOMA.HHZ. 2017-12-05T22:12:35.90 0.3 undecidable manual S 268 38.8278 50 0.14 71
IV.ARVD.HHZ. 2017-12-05T22:12:35.73 0.3 undecidable manual P 354 76.368 50 -0.21 65
IV.SEF1.HNN. 2017-12-05T22:12:35.18 0.6 undecidable manual S 348 37.8288 50 -0.29 46
IV.ATFO.HHZ. 2017-12-05T22:12:35.56 0.3 undecidable manual P 328 72.372 50 0.24 65
IV.PF6.EHN. 2017-12-05T22:12:34.98 0.3 undecidable manual S 18 37.8288 50 -0.51 65
IV.MURB.HHZ. 2017-12-05T22:12:34.30 0.3 undecidable manual P 320 65.3901 50 0.05 69
IV.ARRO.EHZ. 2017-12-05T22:12:34.14 0.3 undecidable manual S 221 34.743 50 -0.51 66
IV.RM33.EHZ. 2017-12-05T22:12:34.81 0.3 undecidable manual S 158 36.5412 50 -0.31 69
IV.FOSV.EHZ. 2017-12-05T22:12:33.01 0.3 undecidable manual P 337 58.1973 50 -0.12 69
IV.CSP1.EHZ. 2017-12-05T22:12:33.60 0.3 undecidable manual S 22 33.3444 50 -0.68 62
IV.FIAM.HHZ. 2017-12-05T22:12:33.57 0.3 undecidable manual P 175 60.8946 50 0.03 70
IV.OFFI.HHZ. 2017-12-05T22:12:33.29 0.3 undecidable manual P 75 53.6019 50 0.86 55
IV.SMA1.EHZ. 2017-12-05T22:12:33.54 0.6 undecidable manual S 131 31.0467 50 -0.14 48
IV.CING.HHZ. 2017-12-05T22:12:33.72 0.1 undecidable manual P 11 63.3921 50 -0.22 89
IV.MTRA.EHE. 2017-12-05T22:12:32.80 0.6 undecidable manual S 103 29.1486 108 -0.31 46
IV.MNTP.HNZ. 2017-12-05T22:12:32.33 0.3 undecidable manual P 44 49.617 50 0.52 64
IV.ATCC.EHZ. 2017-12-05T22:12:32.17 0.1 undecidable manual P 321 52.8027 50 -0.13 92
IV.EL6.EHZ. 2017-12-05T22:12:32.75 0.1 undecidable manual P 4 57.2982 50 -0.25 89
IV.T1299.EHZ. 2017-12-05T22:12:32.74 0.6 undecidable manual S 136 27.6501 108 0.12 48
IV.SNTG.HHZ. 2017-12-05T22:12:31.52 0.1 positive manual P 350 49.7169 50 -0.3 89
IV.LNSS.HHZ. 2017-12-05T22:12:31.31 0.1 undecidable manual S 181 23.4543 111 0.07 98
IV.TERO.HHZ. 2017-12-05T22:12:31.85 0.3 undecidable manual P 115 50.1165 50 -0.03 71
IV.MMO1.EHZ. 2017-12-05T22:12:31.23 0.1 undecidable manual S 67 24.6531 110 -0.4 92
IV.CESI.HHZ. 2017-12-05T22:12:31.20 0.1 undecidable manual S 331 24.1536 111 -0.27 94
IV.FDMO.HHZ. 2017-12-05T22:12:31.27 0.1 undecidable manual S 7 24.8529 110 -0.44 91
IV.CAMP.HHZ. 2017-12-05T22:12:30.54 0.3 undecidable manual P 136 42.7239 50 -0.21 69
IV.MDAR.HNN. 2017-12-05T22:12:30.45 0.3 undecidable manual P 10 42.7239 50 -0.29 68
IV.CESX.HHZ. 2017-12-05T22:12:30.74 0.1 undecidable manual P 239 43.9227 50 -0.2 92
IV.MOMA.HHZ. 2017-12-05T22:12:30.09 0.3 undecidable manual P 268 38.8278 50 -0.06 72
IV.MF5.EHZ. 2017-12-05T22:12:30.27 0.1 positive manual P 60 38.628 50 0.15 94
IV.RM33.EHZ. 2017-12-05T22:12:29.52 0.1 undecidable manual P 158 36.5412 50 -0.27 92
IV.GUMA.HHZ. 2017-12-05T22:12:29.77 0.1 positive manual P 40 36.1416 50 0.04 97
IV.PF6.EHN. 2017-12-05T22:12:29.65 0.1 undecidable manual P 18 37.8288 50 -0.35 90
IV.CSP1.EHZ. 2017-12-05T22:12:29.02 0.1 positive manual P 22 33.3444 50 -0.28 92
IV.FEMA.HNE. 2017-12-05T22:12:29.13 0.3 undecidable manual S 1 16.3725 119 0.09 74
IV.T1221.EHZ. 2017-12-05T22:12:29.41 0.6 undecidable manual S 288 17.0718 118 0.16 49
IV.SEF1.HNN. 2017-12-05T22:12:29.72 0.3 undecidable manual P 348 37.8288 50 -0.27 69
IV.SMA1.EHZ. 2017-12-05T22:12:29.13 0.3 undecidable manual P 131 31.0467 50 0.18 71
IV.ARRO.EHZ. 2017-12-05T22:12:29.46 0.1 positive manual P 221 34.743 50 -0.06 97
IV.T1299.EHZ. 2017-12-05T22:12:28.48 0.3 undecidable manual P 136 27.6501 108 0.13 72
IV.MC2.EHZ. 2017-12-05T22:12:28.96 0.1 undecidable manual S 47 15.7731 120 0.12 99
IV.MTRA.EHE. 2017-12-05T22:12:28.49 0.3 undecidable manual P 103 29.1486 108 -0.14 72
IV.FDMO.HHZ. 2017-12-05T22:12:27.69 0.1 positive manual P 7 24.8529 110 -0.14 97
IV.LNSS.HHZ. 2017-12-05T22:12:27.64 0.1 positive manual P 181 23.4543 111 0.09 98
IV.MMO1.EHZ. 2017-12-05T22:12:27.65 0.1 undecidable manual P 67 24.6531 110 -0.12 97
IV.CESI.HHZ. 2017-12-05T22:12:27.67 0.1 negative manual P 331 24.1536 111 -0.01 99
IV.NRCA.HNZ. 2017-12-05T22:12:26.42 0.1 undecidable manual S 68 5.8941 148 0.13 100
IV.MC2.EHZ. 2017-12-05T22:12:26.43 0.1 undecidable manual P 47 15.7731 120 0.26 96
IV.FEMA.HNE. 2017-12-05T22:12:26.47 0.1 undecidable manual P 1 16.3725 119 0.19 97
IV.T1221.EHZ. 2017-12-05T22:12:26.68 0.1 undecidable manual P 288 17.0718 118 0.28 95
IV.NRCA.HNZ. 2017-12-05T22:12:24.99 0.1 undecidable manual P 68 5.8941 148 0.3 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.7 0.009080290999999999 0.128 AML other m 2017-12-05T22:12:26.52
IV.NRCA.HNN. ML:2.7 0.009090801499999999 0.1152 AML other m 2017-12-05T22:12:26.57
IV.NRCA.HHN. ML:2.7 0.009712150999999999 0.1152 AML other m 2017-12-05T22:12:26.56
IV.NRCA.HHE. ML:2.7 0.009426753 0.1024 AML other m 2017-12-05T22:12:26.52
IV.T1221.EHE. ML:1.8 0.0005349539999999999 0.1664 AML other m 2017-12-05T22:12:29.73
IV.T1221.HNN. ML:2.0 0.0008676910499999999 0.1536 AML other m 2017-12-05T22:12:29.70
IV.T1221.HNE. ML:1.8 0.000544255665 0.1536 AML other m 2017-12-05T22:12:29.73
IV.T1221.EHN. ML:2.0 0.00082898585 0.1536 AML other m 2017-12-05T22:12:29.70
OB.GAVE.HNE. ML:0.0 0.0025016379999999996 0.1536 AML other m 2017-12-05T22:12:31.06
OB.GAVE.HNN. ML:0.0 0.0007997301500000001 0.2304 AML other m 2017-12-05T22:12:30.23
OB.GAVE.EHE. ML:0.0 0.0023804575 0.1408 AML other m 2017-12-05T22:12:31.07
OB.GAVE.EHN. ML:0.0 0.0026055260000000004 0.2304 AML other m 2017-12-05T22:12:30.24
IV.LNSS.HHE. ML:2.5 0.0019582345000000003 0.192 AML other m 2017-12-05T22:12:31.87
IV.LNSS.HHN. ML:2.3 0.0012572795000000002 0.256 AML other m 2017-12-05T22:12:32.36
IV.CESI.HHE. ML:2.2 0.0010196741999999998 0.2432 AML other m 2017-12-05T22:12:33.23
IV.CESI.HHN. ML:2.5 0.0021500022 0.192 AML other m 2017-12-05T22:12:31.76
IV.FDMO.HHN. ML:2.4 0.0015518494999999998 0.1664 AML other m 2017-12-05T22:12:31.90
IV.FDMO.HHE. ML:2.4 0.0016056075000000002 0.1408 AML other m 2017-12-05T22:12:31.91
IV.CSP1.EHE. ML:2.2 0.0006869447 0.5248 AML other m 2017-12-05T22:12:34.55
IV.CSP1.EHN. ML:1.8 0.00030684785000000003 0.2816 AML other m 2017-12-05T22:12:35.58
IV.ARRO.EHE. ML:1.9 0.000320457 0.1664 AML other m 2017-12-05T22:12:35.08
IV.ARRO.EHN. ML:1.8 0.00027778305 0.2048 AML other m 2017-12-05T22:12:37.71
IV.RM33.EHE. ML:1.9 0.0003356476 0.192 AML other m 2017-12-05T22:12:36.98
IV.RM33.HNN. ML:1.9 0.00032062595 0.2432 AML other m 2017-12-05T22:12:35.37
IV.RM33.EHN. ML:1.9 0.00031333615 0.256 AML other m 2017-12-05T22:12:35.50
IV.RM33.HNE. ML:1.9 0.00033340904999999997 0.192 AML other m 2017-12-05T22:12:36.98
IV.GUMA.HNE. ML:2.4 0.0009423881000000001 0.3584 AML other m 2017-12-05T22:12:35.95
IV.GUMA.HHE. ML:2.4 0.0011055085 0.2432 AML other m 2017-12-05T22:12:38.35
IV.GUMA.HNN. ML:2.5 0.00127119965 0.2688 AML other m 2017-12-05T22:12:36.31
IV.GUMA.HHN. ML:2.5 0.0013325290999999999 0.704 AML other m 2017-12-05T22:12:36.44
IV.MOMA.HHE. ML:1.9 0.00026964085 0.1664 AML other m 2017-12-05T22:12:37.04
IV.MOMA.HHN. ML:1.7 0.0001879895 0.2048 AML other m 2017-12-05T22:12:38.55
IV.MOMA.HNE. ML:1.8 0.00023589474999999999 0.1536 AML other m 2017-12-05T22:12:37.03
IV.ASSB.HHN. ML:2.0 0.00033679494999999996 0.1024 AML other m 2017-12-05T22:12:36.90
IV.ASSB.HHE. ML:1.9 0.0002810415 0.0896 AML other m 2017-12-05T22:12:36.51
IV.MF5.EHE. ML:2.0 0.00036919935 0.1792 AML other m 2017-12-05T22:12:36.77
IV.MF5.EHN. ML:2.1 0.00042273159999999996 0.2304 AML other m 2017-12-05T22:12:37.25
IV.CESX.HHE. ML:1.9 0.0002420422 0.2432 AML other m 2017-12-05T22:12:39.04
IV.CESX.HHN. ML:1.8 0.00022172044999999998 0.3456 AML other m 2017-12-05T22:12:40.48
IV.SNTG.HNN. ML:2.0 0.00024264835000000002 0.128 AML other m 2017-12-05T22:12:39.72
IV.SNTG.HNE. ML:1.9 0.00021126075 0.1152 AML other m 2017-12-05T22:12:39.28
IV.SNTG.HHN. ML:1.9 0.0002181986 0.128 AML other m 2017-12-05T22:12:39.72
IV.SNTG.HHE. ML:1.9 0.00021989999999999998 0.128 AML other m 2017-12-05T22:12:39.30
IV.TERO.HHE. ML:1.5 0.00008535793 0.1408 AML other m 2017-12-05T22:12:39.47
IV.TERO.HHN. ML:1.5 0.00008630623000000001 0.1152 AML other m 2017-12-05T22:12:39.99
IV.ATCC.EHE. ML:2.1 0.0002792088 0.1408 AML other m 2017-12-05T22:12:41.19
IV.ATCC.EHN. ML:2.1 0.00029939545000000003 0.192 AML other m 2017-12-05T22:12:41.40
IV.EL6.EHN. ML:2.3 0.0004142204 0.128 AML other m 2017-12-05T22:12:41.66
IV.EL6.EHE. ML:2.3 0.000472886 0.1792 AML other m 2017-12-05T22:12:43.09
IV.FOSV.EHE. ML:1.6 0.000090269525 0.3072 AML other m 2017-12-05T22:12:43.37
IV.FOSV.EHN. ML:1.7 0.00011487757 0.2176 AML other m 2017-12-05T22:12:42.85
IV.OFFI.HHN. ML:1.9 0.000199284 0.2304 AML other m 2017-12-05T22:12:44.74
IV.OFFI.HHE. ML:2.0 0.0002552683 0.4224 AML other m 2017-12-05T22:12:45.16
IV.CING.HHE. ML:1.9 0.000142050295 0.1792 AML other m 2017-12-05T22:12:46.71
IV.CING.HHN. ML:1.9 0.0001541043 0.1408 AML other m 2017-12-05T22:12:45.11
IV.MURB.HHN. ML:2.4 0.00044597980000000005 0.2176 AML other m 2017-12-05T22:12:47.41
IV.MURB.HNE. ML:2.3 0.000343031 0.2048 AML other m 2017-12-05T22:12:45.62
IV.MURB.HNN. ML:2.4 0.00042932755 0.2176 AML other m 2017-12-05T22:12:47.41
IV.MURB.HHE. ML:2.3 0.00039424435000000004 0.32 AML other m 2017-12-05T22:12:46.77
IV.ATFO.HHN. ML:1.8 0.00009615864 0.2944 AML other m 2017-12-05T22:12:47.03
IV.ATFO.HHE. ML:1.7 0.00008495699 0.192 AML other m 2017-12-05T22:12:47.90
IV.ARVD.HHN. ML:1.7 0.00007310055 0.128 AML other m 2017-12-05T22:12:47.97
IV.ARVD.HHE. ML:1.8 0.000101984785 0.1664 AML other m 2017-12-05T22:12:47.43
IV.SRES.HHE. ML:1.6 0.00006281021 0.384 AML other m 2017-12-05T22:12:53.27
IV.SRES.HHN. ML:1.7 0.00007576918000000001 0.3968 AML other m 2017-12-05T22:12:52.84
IV.FRON.EHE. ML:1.7 0.000071460065 0.2432 AML other m 2017-12-05T22:12:49.16
IV.FRON.EHN. ML:1.7 0.00007242402000000001 0.1792 AML other m 2017-12-05T22:12:49.94
IV.T0110.HHN. ML:1.8 0.00007046622 0.6656 AML other m 2017-12-05T22:13:02.96
IV.T0110.HHE. ML:1.8 0.000080061355 0.4608 AML other m 2017-12-05T22:13:00.34
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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