Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-10-2016 and time 21:50:03 (Italy) in region 7 km SE Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Norcia (PG), on

  • 30-10-2016 20:50:03 (UTC)
  • 30-10-2016 21:50:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 13.1230 at 11 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 7 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 11 667 8841
Cittareale RI 14 482 9323
Arquata del Tronto AP 15 1178 10501
Poggiodomo PG 16 117 10618
Monteleone di Spoleto PG 17 599 11217
Preci PG 17 724 11941
Castelsantangelo sul Nera MC 18 281 12222
Amatrice RI 18 2657 14879
Cerreto di Spoleto PG 19 1075 15954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Foligno (57155 inhabitants)
44 Km E of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
96 Km W 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 2.1 2016-10-30
20:50:03		 42.7377 13.1233 11 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47023141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:50:03 ± 0.05
Latitude 42.7377 ± 0.0036
Longitude 13.1233 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47023141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 354
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 24
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
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) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 1.06750
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 47023141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 10:28:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2016-10-30T20:50:23.79 1.0 undecidable manual P 231 118.4925 50 0.09 20
IV.MGAB.HHZ. 2016-10-30T20:50:19.01 0.3 undecidable manual P 284 84.5487 50 0.55 59
IV.T0110.HHZ. 2016-10-30T20:50:17.40 0.6 undecidable manual P 136 77.6667 50 0 45
IV.VCEL.EHZ. 2016-10-30T20:50:16.65 0.3 undecidable manual P 123 69.8745 50 0.45 63
IV.TRTR.HHZ. 2016-10-30T20:50:16.57 0.3 undecidable manual P 83 64.8906 50 1.15 47
IV.SNTG.HHZ. 2016-10-30T20:50:15.22 0.6 undecidable manual P 346 59.2962 50 0.65 39
IV.ATCC.EHZ. 2016-10-30T20:50:15.16 0.3 undecidable manual P 322 63.2922 50 -0.03 69
IV.T1211.EHZ. 2016-10-30T20:50:15.00 0.6 undecidable manual S 224 31.5462 50 0.1 48
IV.T1246.HHN. 2016-10-30T20:50:15.40 0.6 undecidable manual S 119 34.6431 50 -0.34 45
IV.T1241.EHZ. 2016-10-30T20:50:14.10 0.6 undecidable manual S 62 28.3494 50 0.06 49
IV.ASSB.HHZ. 2016-10-30T20:50:13.86 0.3 undecidable manual P 312 50.7159 50 0.61 61
IV.RM33.EHZ. 2016-10-30T20:50:13.50 0.6 undecidable manual S 164 26.4513 50 -0.04 48
IV.FIAM.HHZ. 2016-10-30T20:50:13.32 0.3 undecidable manual P 181 52.1034 50 -0.14 68
IV.T1243.HHZ. 2016-10-30T20:50:13.00 0.6 undecidable manual S 100 26.8509 50 -0.66 41
IV.OFFI.HHZ. 2016-10-30T20:50:13.96 0.3 undecidable manual P 64 50.7159 50 0.71 59
MN.AQU.HHZ. 2016-10-30T20:50:13.22 0.3 undecidable manual P 151 48.4182 50 0.33 67
IV.SMA1.EHZ. 2016-10-30T20:50:12.50 0.6 undecidable manual S 124 20.9679 50 0.42 46
IV.GIGS.HHZ. 2016-10-30T20:50:12.94 0.3 undecidable manual P 131 48.4182 50 0.05 71
IV.T1215.EHZ. 2016-10-30T20:50:12.10 0.6 undecidable manual S 289 21.9669 50 -0.24 47
IV.CESX.HHZ. 2016-10-30T20:50:12.36 0.3 undecidable manual P 252 46.0206 50 -0.17 69
IV.GUMA.HHZ. 2016-10-30T20:50:11.69 0.3 undecidable manual P 25 39.9267 50 0.1 71
IV.T1204.EHZ. 2016-10-30T20:50:11.00 0.6 undecidable manual S 113 17.1717 122 -0.06 50
IV.T1299.HNN. 2016-10-30T20:50:11.10 0.6 undecidable manual S 131 17.2716 122 0.01 50
IV.TERO.HHZ. 2016-10-30T20:50:11.36 0.1 undecidable manual P 108 41.2254 50 -0.42 88
IV.CSP1.EHZ. 2016-10-30T20:50:11.43 0.3 undecidable manual P 10 39.8268 50 -0.14 70
IV.T1216.EHZ. 2016-10-30T20:50:11.10 0.6 undecidable manual S 333 18.9699 50 -0.45 46
IV.T1246.HHN. 2016-10-30T20:50:10.47 0.1 undecidable manual P 119 34.6431 50 -0.31 91
IV.ARRO.EHZ. 2016-10-30T20:50:10.59 0.1 undecidable manual P 239 34.0437 50 -0.09 95
IV.CAMP.HHZ. 2016-10-30T20:50:10.12 0.3 undecidable manual P 134 32.3454 50 -0.29 69
IV.T1245.HHZ. 2016-10-30T20:50:10.50 0.6 undecidable manual S 22 14.1747 128 0.29 47
IV.T1201.HNN. 2016-10-30T20:50:10.20 0.6 undecidable manual S 131 13.6752 129 0.14 49
XO.AM05.EHZ. 2016-10-30T20:50:10.37 0.3 undecidable manual P 35 32.5452 50 -0.07 72
IV.LNSS.HHZ. 2016-10-30T20:50:10.80 0.6 undecidable manual S 204 16.3725 124 -0.03 50
IV.T1211.EHZ. 2016-10-30T20:50:10.34 0.3 undecidable manual P 224 31.5462 50 0.05 73
IV.T1217.EHZ. 2016-10-30T20:50:10.60 0.6 undecidable manual S 260 15.873 124 -0.09 50
IV.T1241.EHZ. 2016-10-30T20:50:09.76 0.1 undecidable manual P 62 28.3494 50 -0.04 97
IV.RM33.EHZ. 2016-10-30T20:50:09.40 0.1 undecidable manual P 164 26.4513 50 -0.1 96
IV.MMO1.EHN. 2016-10-30T20:50:09.01 0.1 undecidable manual P 43 24.4533 50 -0.19 95
IV.T1256.HHZ. 2016-10-30T20:50:09.97 0.3 undecidable manual P 16 30.9468 50 -0.23 70
IV.T1243.HHZ. 2016-10-30T20:50:09.27 0.1 positive manual P 100 26.8509 50 -0.3 92
IV.SMA1.EHZ. 2016-10-30T20:50:08.77 0.3 undecidable manual P 124 20.9679 50 0.11 73
IV.T1204.EHZ. 2016-10-30T20:50:08.07 0.1 positive manual P 113 17.1717 122 0 100
IV.T1215.EHZ. 2016-10-30T20:50:08.70 0.1 positive manual P 289 21.9669 50 -0.11 97
IV.LNSS.HHZ. 2016-10-30T20:50:08.01 0.1 positive manual P 204 16.3725 124 0.07 99
IV.T1299.HNN. 2016-10-30T20:50:08.15 0.1 undecidable manual P 131 17.2716 122 0.06 99
IV.T1216.EHZ. 2016-10-30T20:50:08.17 0.3 undecidable manual P 333 18.9699 50 -0.19 72
IV.T1217.EHZ. 2016-10-30T20:50:07.86 0.1 positive manual P 260 15.873 124 0 100
IV.T1245.HHZ. 2016-10-30T20:50:07.47 0.3 undecidable manual P 22 14.1747 128 -0.11 74
IV.T1201.HNN. 2016-10-30T20:50:07.63 0.1 undecidable manual P 131 13.6752 129 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:2.4 0.00117437595 0.0896 AML other m 2016-10-30T20:50:13.81
XO.AM05.HNE. ML:1.8 0.00024552985 0.1024 AML other m 2016-10-30T20:50:15.85
XO.AM05.EHN. ML:1.4 0.0001013687 0.0768 AML other m 2016-10-30T20:50:16.29
XO.AM05.HNN. ML:1.8 0.0002606279 0.1024 AML other m 2016-10-30T20:50:16.28
MN.AQU.HHE. ML:1.6 0.00010718624500000001 0.2304 AML other m 2016-10-30T20:50:22.46
MN.AQU.HLN. ML:1.7 0.000131186285 0.3328 AML other m 2016-10-30T20:50:31.17
MN.AQU.HHN. ML:1.6 0.00011242048999999999 0.2432 AML other m 2016-10-30T20:50:31.17
MN.AQU.HLE. ML:1.7 0.00014971785 0.5248 AML other m 2016-10-30T20:50:31.42
IV.ARRO.EHN. ML:1.9 0.00034919139999999997 0.2304 AML other m 2016-10-30T20:50:18.94
IV.ARRO.EHE. ML:1.8 0.0002877316 0.1536 AML other m 2016-10-30T20:50:17.04
IV.ATCC.EHE. ML:2.0 0.00019310905 0.2944 AML other m 2016-10-30T20:50:28.68
IV.ATCC.EHN. ML:2.0 0.0001827078 0.3584 AML other m 2016-10-30T20:50:27.68
IV.CAMP.HHE. ML:1.6 0.0001728354 0.2688 AML other m 2016-10-30T20:50:15.35
IV.CAMP.HHN. ML:1.6 0.00018600519999999998 0.256 AML other m 2016-10-30T20:50:15.46
IV.CESX.HHN. ML:1.8 0.0001849797 0.2304 AML other m 2016-10-30T20:50:28.79
IV.CESX.HHE. ML:1.8 0.00017473575 0.3072 AML other m 2016-10-30T20:50:21.99
IV.CSP1.EHE. ML:2.1 0.00044402070000000007 0.4352 AML other m 2016-10-30T20:50:19.41
IV.CSP1.EHN. ML:2.2 0.0005593010400000001 0.384 AML other m 2016-10-30T20:50:19.95
IV.FIAM.HHE. ML:1.7 0.00011843992 0.192 AML other m 2016-10-30T20:50:21.29
IV.FIAM.HHN. ML:1.6 0.00009515844500000001 0.3328 AML other m 2016-10-30T20:50:23.19
IV.GUMA.HHN. ML:2.6 0.001501969 0.7808 AML other m 2016-10-30T20:50:19.69
IV.GUMA.HHE. ML:2.7 0.001797798 0.2816 AML other m 2016-10-30T20:50:18.27
IV.GUMA.HNE. ML:2.6 0.0013884105 0.4864 AML other m 2016-10-30T20:50:21.14
IV.GUMA.HNN. ML:2.6 0.0015143295000000002 0.2944 AML other m 2016-10-30T20:50:18.25
IV.LNSS.HHE. ML:2.4 0.0019685410000000003 0.2944 AML other m 2016-10-30T20:50:11.19
IV.LNSS.HHN. ML:2.7 0.0045599575000000005 0.1408 AML other m 2016-10-30T20:50:11.30
IV.MGAB.HHN. ML:2.1 0.00014267535 0.576 AML other m 2016-10-30T20:50:39.05
IV.MGAB.HHE. ML:2.0 0.00012253545 0.4608 AML other m 2016-10-30T20:50:38.18
IV.MGAB.HNN. ML:2.1 0.000149851645 0.576 AML other m 2016-10-30T20:50:39.05
IV.MGAB.HNE. ML:2.0 0.0001220379 0.448 AML other m 2016-10-30T20:50:37.48
IV.OFFI.HHE. ML:2.1 0.0003405258 0.3968 AML other m 2016-10-30T20:50:27.56
IV.OFFI.HHN. ML:2.2 0.0003593481 0.3584 AML other m 2016-10-30T20:50:25.70
IV.RM33.EHE. ML:1.9 0.00047821370000000003 0.1152 AML other m 2016-10-30T20:50:15.06
IV.RM33.HNE. ML:1.9 0.0004686236 0.1024 AML other m 2016-10-30T20:50:15.05
IV.RM33.HNN. ML:2.0 0.00055690825 0.3712 AML other m 2016-10-30T20:50:14.53
IV.RM33.EHN. ML:2.0 0.0005641703999999999 0.3584 AML other m 2016-10-30T20:50:14.54
IV.SMA1.EHN. ML:2.3 0.001522065 0.2944 AML other m 2016-10-30T20:50:15.44
IV.SMA1.EHE. ML:2.1 0.00098904835 0.2176 AML other m 2016-10-30T20:50:15.58
IV.SNTG.HNE. ML:2.0 0.00020123570000000002 0.5632 AML other m 2016-10-30T20:50:26.59
IV.SNTG.HHN. ML:1.8 0.000129309 0.2432 AML other m 2016-10-30T20:50:27.35
IV.SNTG.HHE. ML:1.7 0.000102129305 0.2048 AML other m 2016-10-30T20:50:26.60
IV.T0110.HHN. ML:2.0 0.00013761069999999997 0.6016 AML other m 2016-10-30T20:50:42.57
IV.T0110.HHE. ML:2.0 0.00015434910000000003 0.3712 AML other m 2016-10-30T20:50:29.59
IV.T1204.EHN. ML:1.9 0.0007268551 0.1792 AML other m 2016-10-30T20:50:11.27
IV.T1204.EHE. ML:2.2 0.0012687619999999997 0.2432 AML other m 2016-10-30T20:50:11.99
IV.T1211.EHN. ML:2.3 0.0008576385 0.2048 AML other m 2016-10-30T20:50:16.39
IV.T1211.HNE. ML:2.4 0.0010039856 0.128 AML other m 2016-10-30T20:50:15.88
IV.T1211.EHE. ML:2.3 0.0009973990000000002 0.128 AML other m 2016-10-30T20:50:15.94
IV.T1211.HNN. ML:2.3 0.0008606662 0.2048 AML other m 2016-10-30T20:50:16.39
IV.T1215.EHN. ML:2.0 0.0006664199999999999 0.128 AML other m 2016-10-30T20:50:12.81
IV.T1215.EHE. ML:1.8 0.0004379102 0.064 AML other m 2016-10-30T20:50:13.43
IV.T1215.HNE. ML:1.8 0.00046079269999999993 0.0896 AML other m 2016-10-30T20:50:12.58
IV.T1215.HNN. ML:2.0 0.0006501798 0.1408 AML other m 2016-10-30T20:50:12.74
IV.T1216.EHN. ML:2.5 0.0023338305000000004 0.1536 AML other m 2016-10-30T20:50:12.86
IV.T1216.EHE. ML:2.7 0.0038026365 0.2944 AML other m 2016-10-30T20:50:13.79
IV.T1217.EHE. ML:2.1 0.0011781185 0.0768 AML other m 2016-10-30T20:50:11.86
IV.T1217.HNN. ML:2.1 0.00110925235 0.128 AML other m 2016-10-30T20:50:11.28
IV.T1217.HNE. ML:2.1 0.0012217455 0.064 AML other m 2016-10-30T20:50:11.86
IV.T1217.EHN. ML:2.1 0.0011580183 0.32 AML other m 2016-10-30T20:50:13.94
IV.T1241.EHE. ML:2.1 0.00074669565 0.1792 AML other m 2016-10-30T20:50:15.62
IV.T1241.EHN. ML:2.2 0.0008330469 0.256 AML other m 2016-10-30T20:50:15.64
IV.T1256.HHE. ML:2.5 0.0016031944999999998 0.3584 AML other m 2016-10-30T20:50:15.28
IV.T1256.HHN. ML:2.3 0.0010327282 0.4224 AML other m 2016-10-30T20:50:13.25
IV.TERO.HHE. ML:2.1 0.0003789103 0.2688 AML other m 2016-10-30T20:50:23.57
IV.TERO.HNN. ML:2.4 0.00076791355 0.4736 AML other m 2016-10-30T20:50:22.78
IV.TERO.HNE. ML:2.0 0.00033896310699999997 0.2432 AML other m 2016-10-30T20:50:23.58
IV.TERO.HHN. ML:2.2 0.0005776476499999999 0.384 AML other m 2016-10-30T20:50:22.78
IV.TRTR.HHN. ML:2.5 0.0005866383500000001 0.384 AML other m 2016-10-30T20:50:32.63
IV.VCEL.EHE. ML:2.0 0.00016840869999999999 0.2432 AML other m 2016-10-30T20:50:29.91
IV.VCEL.EHN. ML:2.0 0.00016746145 0.2816 AML other m 2016-10-30T20:50:31.01
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