Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 07-12-2016 and time 23:47:50 (UTC) in region 4 km E Norcia (PG)

A magnitude ML 2.5 earthquake occured in region: 4 km E Norcia (PG), on

  • 07-12-2016 23:47:50 (UTC)
  • 08-12-2016 00:47:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7910, 13.1460 at 10 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
Castelsantangelo sul Nera MC 12 281 5238
Arquata del Tronto AP 13 1178 6416
Preci PG 13 724 7140
Cascia PG 13 3217 10357
Accumoli RI 14 667 11024
Visso MC 16 1107 12131
Montegallo AP 16 523 12654
Ussita MC 17 444 13098
Cerreto di Spoleto PG 19 1075 14173
Poggiodomo PG 19 117 14290
Cittareale RI 19 482 14772
Montemonaco AP 19 604 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 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 2.5 2016-12-07
23:47:50		 42.7908 13.1455 10 2019-07-19
13:23:23		 Bollettino Sismico Italiano INGV 43547571
Reviewed
Rev100 		ML 2.5 2016-12-07
23:47:50		 42.794 13.1343 11 2016-12-07
23:53:23		 Sala Sismica INGV-Roma 35988991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-07 23:47:50 ± 0.03
Latitude 42.7908 ± 0.0018
Longitude 13.1455 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43547571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 101
Number of defining phases 99
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01533
Number of stations at which the event was observed 64
Number of stations from which data was used for origin computation 62
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 35988991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-07 23:53:21

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 43547571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-04-08 07:19:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2016-12-07T23:48:10.29 0.3 undecidable manual S 317 59.9955 50 0.61 59
IV.CAFI.HHZ. 2016-12-07T23:48:10.75 0.3 undecidable manual P 302 112.6983 50 0.84 48
IV.EL6.EHZ. 2016-12-07T23:48:10.36 0.6 undecidable manual S 357 59.8956 50 0.72 38
IV.FSSB.HHZ. 2016-12-07T23:48:09.00 0.3 undecidable manual P 344 104.4177 50 0.37 58
IV.SACS.HHZ. 2016-12-07T23:48:08.79 0.3 undecidable manual P 274 100.7214 50 0.72 52
IV.MPAG.EHZ. 2016-12-07T23:48:08.09 0.6 undecidable manual P 342 98.124 50 0.44 39
IV.FIAM.HHZ. 2016-12-07T23:48:08.85 0.6 undecidable manual S 182 57.9975 50 -0.31 43
IV.MOMA.HHZ. 2016-12-07T23:48:06.31 0.6 undecidable manual S 272 46.8198 50 0.14 45
IV.MGAB.HHZ. 2016-12-07T23:48:06.05 0.3 undecidable manual P 279 85.1481 50 0.39 60
IV.GIGS.HHZ. 2016-12-07T23:48:06.89 0.3 undecidable manual S 137 51.2154 50 -0.44 63
IV.CERT.HHZ. 2016-12-07T23:48:06.84 0.3 undecidable manual P 188 94.3389 50 -0.23 61
IV.FRON.EHZ. 2016-12-07T23:48:06.13 0.3 undecidable manual P 337 87.5457 50 0.11 63
IV.ATVO.HHZ. 2016-12-07T23:48:06.40 0.3 undecidable manual P 318 88.8444 50 0.18 62
IV.ARVD.HHZ. 2016-12-07T23:48:05.01 0.3 undecidable manual P 348 80.1642 50 0.11 64
IV.T1247.HHZ. 2016-12-07T23:48:05.02 0.3 undecidable manual S 162 40.7259 50 0.49 64
IV.SRES.HHZ. 2016-12-07T23:48:05.33 0.3 undecidable manual P 220 80.4639 50 0.39 61
IV.MDAR.HNN. 2016-12-07T23:48:05.78 0.6 undecidable manual S 360 44.622 50 0.21 45
IV.T0110.HHZ. 2016-12-07T23:48:04.83 0.3 undecidable manual P 140 80.8635 50 -0.17 63
IV.SSFR.HHZ. 2016-12-07T23:48:04.71 0.3 undecidable manual P 338 77.367 50 0.24 63
IV.TERO.HHZ. 2016-12-07T23:48:04.55 0.3 undecidable manual S 116 41.7249 50 -0.27 67
IV.ATFO.HHZ. 2016-12-07T23:48:04.99 0.6 undecidable manual P 324 79.0653 50 0.28 41
IV.MURB.HHZ. 2016-12-07T23:48:04.06 0.3 undecidable manual P 316 72.6717 50 0.33 62
IV.GUMA.HHZ. 2016-12-07T23:48:03.11 0.3 undecidable manual S 27 33.8439 50 0.4 66
IV.T1246.HHN. 2016-12-07T23:48:03.00 0.3 undecidable manual S 129 36.5412 50 -0.41 65
IV.VCEL.EHZ. 2016-12-07T23:48:03.97 0.6 undecidable manual P 128 71.7726 50 0.37 41
IV.FOSV.EHZ. 2016-12-07T23:48:02.38 0.3 undecidable manual P 331 63.9915 50 -0.02 68
IV.RM33.EHZ. 2016-12-07T23:48:02.08 0.3 undecidable manual S 170 31.746 50 -0.07 71
IV.CSP1.EHZ. 2016-12-07T23:48:02.66 0.1 undecidable manual S 8 33.744 50 -0.02 95
IV.CING.HHZ. 2016-12-07T23:48:02.59 0.6 undecidable manual P 4 64.9905 50 0.04 45
IV.FAGN.HHZ. 2016-12-07T23:48:02.93 0.6 undecidable manual P 148 68.376 50 -0.15 43
IV.CAMP.HHZ. 2016-12-07T23:48:02.81 0.3 undecidable manual S 143 35.5422 50 -0.34 67
IV.EL6.EHZ. 2016-12-07T23:48:01.81 0.3 undecidable manual P 357 59.8956 50 0.05 68
IV.CESI.HHZ. 2016-12-07T23:48:01.60 0.3 undecidable manual S 321 30.747 50 -0.28 68
IV.ATCC.EHZ. 2016-12-07T23:48:01.79 0.3 undecidable manual P 317 59.9955 50 0.01 68
IV.T1219.EHZ. 2016-12-07T23:48:01.76 0.3 undecidable manual S 339 31.5462 50 -0.33 67
IV.FIAM.HHZ. 2016-12-07T23:48:01.29 0.3 undecidable manual P 182 57.9975 50 -0.19 66
MN.AQU.HHE. 2016-12-07T23:48:01.13 0.6 undecidable manual P 156 52.9026 50 0.44 42
IV.T1221.HNE. 2016-12-07T23:48:00.08 0.3 undecidable manual S 288 25.4523 50 -0.39 67
IV.T1243.HNZ. 2016-12-07T23:48:00.32 0.3 undecidable manual S 113 26.751 50 -0.5 65
IV.OFFI.HHZ. 2016-12-07T23:48:00.54 0.3 undecidable manual P 70 46.7199 50 0.8 56
IV.MNTP.HNZ. 2016-12-07T23:48:00.26 0.3 undecidable manual P 34 46.62 50 0.54 62
IV.SNTG.HHZ. 2016-12-07T23:48:00.76 0.3 undecidable manual P 342 54.1014 50 -0.12 67
IV.MOMA.HHZ. 2016-12-07T23:48:00.02 0.3 undecidable manual P 272 46.8198 50 0.26 66
IV.FDMO.HHZ. 2016-12-07T23:48:00.70 0.1 undecidable manual S 350 27.6501 50 -0.35 90
IV.T1215.EHZ. 2016-12-07T23:47:59.20 0.3 undecidable manual S 273 22.5552 114 -0.37 68
IV.CESX.HHZ. 2016-12-07T23:47:59.99 0.3 undecidable manual P 246 49.8168 50 -0.22 66
IV.MDAR.HNN. 2016-12-07T23:47:59.45 0.3 undecidable manual P 360 44.622 50 0.05 70
IV.SMA1.EHZ. 2016-12-07T23:47:59.68 0.3 undecidable manual S 139 23.5542 113 -0.21 70
IV.T1247.HHZ. 2016-12-07T23:47:59.13 0.1 undecidable manual P 162 40.7259 50 0.32 88
IV.T1256.HHZ. 2016-12-07T23:47:59.90 0.1 undecidable manual S 15 24.753 112 -0.38 90
IV.T1241.HNZ. 2016-12-07T23:47:59.85 0.3 undecidable manual S 73 24.3534 113 -0.29 69
IV.LNSS.HHZ. 2016-12-07T23:47:59.62 0.3 undecidable manual S 202 22.5552 114 0.05 72
IV.GIGS.HHZ. 2016-12-07T23:47:59.94 0.3 undecidable manual P 137 51.2154 50 -0.49 63
IV.T1299.HNN. 2016-12-07T23:47:59.17 0.3 undecidable manual S 147 20.6682 116 0.21 70
IV.ASSB.HHZ. 2016-12-07T23:47:59.99 3.0 undecidable manual S 0.32 0
IV.ARRO.EHZ. 2016-12-07T23:47:58.41 0.3 undecidable manual P 233 38.8278 50 -0.12 69
IV.T1217.HNZ. 2016-12-07T23:47:58.53 0.3 undecidable manual S 243 19.4694 117 -0.08 72
IV.T1204.EHZ. 2016-12-07T23:47:58.48 0.3 undecidable manual S 132 18.87 118 0.05 73
IV.FEMA.HNE. 2016-12-07T23:47:58.57 0.3 undecidable manual S 338 20.5683 116 -0.36 68
IV.T1201.HNN. 2016-12-07T23:47:58.40 0.3 undecidable manual S 150 17.0718 121 0.51 66
IV.TERO.HHZ. 2016-12-07T23:47:58.64 0.3 undecidable manual P 116 41.7249 50 -0.33 66
IV.SEF1.HNN. 2016-12-07T23:47:58.98 0.3 undecidable manual P 338 42.624 50 -0.13 69
IV.T1218.EHZ. 2016-12-07T23:47:57.00 0.3 undecidable manual S 190 13.5753 127 0.12 72
IV.CESI.HHZ. 2016-12-07T23:47:57.13 0.3 undecidable manual P 321 30.747 50 -0.15 70
IV.T1216.EHZ. 2016-12-07T23:47:57.12 0.6 undecidable manual S 317 15.0738 124 -0.18 48
IV.T1219.EHZ. 2016-12-07T23:47:57.15 0.1 undecidable manual P 339 31.5462 50 -0.25 91
IV.CAMP.HHZ. 2016-12-07T23:47:57.74 0.3 undecidable manual P 143 35.5422 50 -0.27 68
IV.T1244.EHZ. 2016-12-07T23:47:57.08 0.3 undecidable manual S 107 12.9759 128 0.39 69
IV.MC2.EHZ. 2016-12-07T23:47:57.17 0.1 undecidable manual S 15 13.875 126 0.23 94
IV.RM33.EHZ. 2016-12-07T23:47:57.26 0.1 undecidable manual P 170 31.746 50 -0.17 92
IV.GUMA.HHZ. 2016-12-07T23:47:57.93 0.3 undecidable manual P 27 33.8439 50 0.17 69
IV.CSP1.EHZ. 2016-12-07T23:47:57.60 0.1 undecidable manual P 8 33.744 50 -0.14 93
IV.T1246.HHN. 2016-12-07T23:47:57.98 0.3 undecidable manual P 129 36.5412 50 -0.19 69
IV.T1256.HHZ. 2016-12-07T23:47:56.22 0.1 undecidable manual P 15 24.753 112 -0.14 94
IV.T1241.HNZ. 2016-12-07T23:47:56.10 0.3 undecidable manual P 73 24.3534 113 -0.17 70
IV.FDMO.HHZ. 2016-12-07T23:47:56.60 0.1 undecidable manual P 350 27.6501 50 -0.2 93
IV.T1202.EHE. 2016-12-07T23:47:56.67 0.3 undecidable manual S 146 11.6772 131 0.33 69
IV.T1221.HNE. 2016-12-07T23:47:56.32 0.3 undecidable manual P 288 25.4523 50 -0.14 71
IV.T1243.HNZ. 2016-12-07T23:47:56.40 0.3 undecidable manual P 113 26.751 50 -0.27 69
IV.SMA1.EHZ. 2016-12-07T23:47:56.03 0.3 undecidable manual P 139 23.5542 113 -0.1 71
IV.LNSS.HHZ. 2016-12-07T23:47:55.94 0.1 undecidable manual P 202 22.5552 114 0 97
IV.T1299.HNN. 2016-12-07T23:47:55.74 0.3 undecidable manual P 147 20.6682 116 0.15 71
IV.T1215.EHZ. 2016-12-07T23:47:55.79 0.1 undecidable manual P 273 22.5552 114 -0.16 94
IV.MMO1.EHZ. 2016-12-07T23:47:55.99 3.0 undecidable manual S -0.43 0
IV.T1217.HNZ. 2016-12-07T23:47:55.35 0.3 undecidable manual P 243 19.4694 117 -0.04 73
IV.T1204.EHZ. 2016-12-07T23:47:55.39 0.1 undecidable manual P 132 18.87 118 0.11 96
IV.T1212.HNE. 2016-12-07T23:47:55.66 0.3 undecidable manual S 242 9.2796 137 -0.1 73
IV.FEMA.HNE. 2016-12-07T23:47:55.52 0.3 undecidable manual P 338 20.5683 116 -0.05 72
IV.T1201.HNN. 2016-12-07T23:47:55.30 0.3 undecidable manual P 150 17.0718 121 0.32 69
IV.T1245.HHZ. 2016-12-07T23:47:55.32 0.3 undecidable manual S 25 8.0808 141 -0.16 73
IV.T1218.EHZ. 2016-12-07T23:47:54.48 0.1 undecidable manual P 190 13.5753 127 0.09 97
IV.NRCA.HHZ. 2016-12-07T23:47:54.58 0.1 undecidable manual S 332 5.3946 152 -0.38 93
IV.T1213.HNE. 2016-12-07T23:47:54.69 0.3 undecidable manual S 192 7.4814 143 -0.66 63
IV.T1216.EHZ. 2016-12-07T23:47:54.57 0.1 undecidable manual P 317 15.0738 124 -0.06 97
IV.T1202.EHE. 2016-12-07T23:47:54.31 0.3 undecidable manual P 146 11.6772 131 0.23 71
IV.T1244.EHZ. 2016-12-07T23:47:54.55 0.3 undecidable manual P 107 12.9759 128 0.26 70
IV.MC2.EHZ. 2016-12-07T23:47:54.61 0.1 undecidable manual P 15 13.875 126 0.19 95
IV.T1245.HHZ. 2016-12-07T23:47:53.72 0.1 undecidable manual P 25 8.0808 141 0.14 97
IV.NRCA.HHZ. 2016-12-07T23:47:53.30 0.1 undecidable manual P 332 5.3946 152 0.01 100
IV.T1213.HNE. 2016-12-07T23:47:53.61 0.1 undecidable manual P 192 7.4814 143 0.1 98
IV.T1212.HNE. 2016-12-07T23:47:53.93 0.3 undecidable manual P 242 9.2796 137 0.19 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.6 0.007404920000000001 0.192 AML other m 2016-12-07T23:47:54.71
IV.NRCA.HHN. ML:2.7 0.008475051499999999 0.128 AML other m 2016-12-07T23:47:54.60
IV.NRCA.HNN. ML:2.7 0.007884191 0.1408 AML other m 2016-12-07T23:47:54.60
IV.NRCA.HHE. ML:2.5 0.005846385 0.1024 AML other m 2016-12-07T23:47:55.90
IV.T1216.EHN. ML:2.4 0.002368015 0.1664 AML other m 2016-12-07T23:47:57.31
IV.T1216.EHE. ML:2.3 0.0017707525 0.1536 AML other m 2016-12-07T23:47:58.87
IV.T1218.EHN. ML:2.5 0.0033770024999999998 0.1408 AML other m 2016-12-07T23:47:57.54
IV.T1218.HNE. ML:2.3 0.0021478725 0.128 AML other m 2016-12-07T23:47:57.85
IV.T1218.EHE. ML:2.3 0.0020405495 0.128 AML other m 2016-12-07T23:47:57.85
IV.T1218.HNN. ML:2.5 0.0036282870000000004 0.2048 AML other m 2016-12-07T23:47:57.53
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
Waveforms Seismic signals in miniseed + resp format Download