Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 13-10-2016 and time 21:32:44 (UTC) in region 8 km E Norcia (PG)

A magnitude ML 1.7 earthquake occured in region: 8 km E Norcia (PG), on

  • 13-10-2016 21:32:44 (UTC)
  • 13-10-2016 23:32:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1870 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 8 4957 4957
Arquata del Tronto AP 9 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 12 281 7083
Montegallo AP 13 523 7606
Preci PG 16 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Ussita MC 17 444 12595
Visso MC 17 1107 13702
Acquasanta Terme AP 18 2916 16618
Cittareale RI 19 482 17100
Amatrice RI 20 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
96 Km S of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 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 1.7 2016-10-13
21:32:44		 42.7923 13.1873 10 2019-07-19
13:23:13		 Bollettino Sismico Italiano INGV 38734931
Reviewed
Rev100 		ML 1.7 2016-10-13
21:32:44		 42.787 13.1847 10 2016-10-13
21:38:38		 Sala Sismica INGV-Roma 30163021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-13 21:32:44 ± 0.03
Latitude 42.7923 ± 0.0018
Longitude 13.1873 ± 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 38734931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71046
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 38734931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-01-09 08:50:31

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 30163021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-13 21:38:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2016-10-13T21:33:04.49 3.0 negative manual P -1.4 0
IV.ATCC.EHZ. 2016-10-13T21:33:03.44 0.3 undecidable manual S 315 62.1933 50 0.05 68
IV.FIAM.HHZ. 2016-10-13T21:33:02.44 0.1 undecidable manual S 186 58.3971 50 0.06 91
IV.SNTG.HHZ. 2016-10-13T21:33:01.42 0.3 undecidable manual S 339 55.1004 50 -0.06 69
IV.ASSB.HHZ. 2016-10-13T21:33:00.69 0.1 undecidable manual S 303 51.1155 50 0.26 89
IV.GIGS.HHZ. 2016-10-13T21:33:00.25 0.3 undecidable manual S 140 49.0176 50 0.38 65
IV.ARRO.EHZ. 2016-10-13T21:32:58.11 0.1 undecidable manual S 236 41.7249 50 0.19 91
IV.T1247.HHZ. 2016-10-13T21:32:57.40 0.1 undecidable manual S 167 39.9267 50 -0.04 95
IV.T0110.HHZ. 2016-10-13T21:32:57.97 0.1 undecidable manual P 142 78.8655 50 0.17 86
IV.T1211.EHZ. 2016-10-13T21:32:57.55 0.1 undecidable manual S 223 39.5271 50 0.22 91
IV.FAGN.HHZ. 2016-10-13T21:32:56.32 0.1 undecidable manual P 151 66.7776 50 0.38 84
IV.TERO.HHZ. 2016-10-13T21:32:56.88 0.1 undecidable manual S 119 38.8278 50 -0.25 91
IV.VCEL.EHZ. 2016-10-13T21:32:56.58 0.1 negative manual P 129 69.2751 50 0.27 86
IV.CAMP.HHZ. 2016-10-13T21:32:55.84 0.3 undecidable manual S 147 33.744 50 0.07 71
IV.ATCC.EHZ. 2016-10-13T21:32:55.41 0.1 positive manual P 315 62.1933 50 0.17 88
IV.CESI.HHZ. 2016-10-13T21:32:55.75 0.3 undecidable manual S 316 32.9448 50 0.19 70
IV.CING.HHZ. 2016-10-13T21:32:55.68 0.1 positive manual P 1 64.6908 50 0.06 90
IV.T1246.HHN. 2016-10-13T21:32:55.54 0.1 undecidable manual S 133 34.0437 50 -0.32 90
IV.CESX.HHZ. 2016-10-13T21:32:54.23 0.1 positive manual P 248 53.0025 50 0.41 86
IV.FDMO.HHZ. 2016-10-13T21:32:54.26 0.1 undecidable manual S 343 28.2495 50 -0.07 96
IV.SNTG.HHZ. 2016-10-13T21:32:54.18 0.1 positive manual P 339 55.1004 50 0.05 92
IV.FIAM.HHZ. 2016-10-13T21:32:54.62 0.6 negative manual P 186 58.3971 50 -0.03 46
IV.OFFI.HHZ. 2016-10-13T21:32:53.24 3.0 positive manual P 43.5231 0.89 0
IV.T1243.HHZ. 2016-10-13T21:32:53.02 0.3 undecidable manual S 116 23.754 113 -0.03 73
IV.ASSB.HHZ. 2016-10-13T21:32:53.45 0.1 positive manual P 303 51.1155 50 -0.07 92
IV.T1215.EHZ. 2016-10-13T21:32:53.33 0.1 undecidable manual S 272 25.9518 50 -0.38 90
IV.SMA1.EHZ. 2016-10-13T21:32:52.30 0.3 undecidable manual S 146 21.6672 115 -0.07 73
IV.T1217.EHZ. 2016-10-13T21:32:52.40 0.1 undecidable manual S 247 22.6551 114 -0.31 92
IV.ARRO.EHZ. 2016-10-13T21:32:52.03 0.1 undecidable manual P 236 41.7249 50 -0.04 94
IV.GIGS.HHZ. 2016-10-13T21:32:52.74 0.1 undecidable manual P 140 49.0176 50 -0.46 85
IV.T1211.EHZ. 2016-10-13T21:32:51.59 0.1 positive manual P 223 39.5271 50 -0.14 93
IV.T1299.HNN. 2016-10-13T21:32:51.86 0.1 undecidable manual S 156 19.1697 118 0.25 94
IV.T1247.HHZ. 2016-10-13T21:32:51.74 0.1 undecidable manual P 167 39.9267 50 -0.06 94
IV.TERO.HHZ. 2016-10-13T21:32:51.30 0.1 positive manual P 119 38.8278 50 -0.33 89
IV.MC2.EHZ. 2016-10-13T21:32:50.22 0.1 undecidable manual S 1 13.1757 127 0.36 93
IV.MMO1.EHZ. 2016-10-13T21:32:50.72 0.1 undecidable manual S 44 16.3725 122 -0.06 98
IV.CAMP.HHZ. 2016-10-13T21:32:50.55 0.1 positive manual P 147 33.744 50 -0.29 91
IV.T1204.EHZ. 2016-10-13T21:32:50.89 0.1 undecidable manual S 141 16.6722 121 0.04 99
IV.CESI.HHZ. 2016-10-13T21:32:50.70 0.1 positive manual P 316 32.9448 50 -0.01 96
IV.T1201.HNN. 2016-10-13T21:32:50.74 0.3 undecidable manual S 161 15.873 122 0.14 73
IV.RM33.EHZ. 2016-10-13T21:32:50.40 0.1 positive manual P 176 31.5462 50 -0.1 95
IV.T1246.HHN. 2016-10-13T21:32:50.66 0.1 positive manual P 133 34.0437 50 -0.23 92
IV.T1216.EHZ. 2016-10-13T21:32:50.99 0.1 undecidable manual S 309 17.4714 120 -0.11 97
IV.T1243.HHZ. 2016-10-13T21:32:49.01 0.1 positive manual P 116 23.754 113 -0.26 93
IV.T1215.EHZ. 2016-10-13T21:32:49.49 0.1 positive manual P 272 25.9518 50 -0.15 95
IV.FDMO.HHZ. 2016-10-13T21:32:49.90 0.1 positive manual P 343 28.2495 50 -0.1 95
IV.T1204.EHZ. 2016-10-13T21:32:48.10 0.1 positive manual P 141 16.6722 121 0.11 97
IV.T1201.HNN. 2016-10-13T21:32:48.24 0.1 undecidable manual P 161 15.873 122 0.39 92
IV.T1216.EHZ. 2016-10-13T21:32:48.14 0.1 positive manual P 309 17.4714 120 0 99
IV.NRCA.HNZ. 2016-10-13T21:32:48.03 0.1 undecidable manual S 308 7.4814 143 -0.42 93
IV.SMA1.EHZ. 2016-10-13T21:32:48.77 0.1 positive manual P 146 21.6672 115 -0.1 97
IV.T1299.HNN. 2016-10-13T21:32:48.61 0.1 positive manual P 156 19.1697 118 0.18 95
IV.T1245.HHZ. 2016-10-13T21:32:48.12 0.1 undecidable manual S 0 7.0929 145 -0.25 96
IV.MMO1.EHZ. 2016-10-13T21:32:48.03 0.1 positive manual P 44 16.3725 122 0.08 98
IV.T1217.EHZ. 2016-10-13T21:32:48.98 0.1 positive manual P 247 22.6551 114 -0.09 97
IV.T1202.EHZ. 2016-10-13T21:32:48.83 0.3 undecidable manual S 163 10.2786 134 -0.27 71
IV.T1202.EHZ. 2016-10-13T21:32:47.17 0.1 undecidable manual P 163 10.2786 134 0.19 97
IV.MC2.EHZ. 2016-10-13T21:32:47.70 0.1 undecidable manual P 1 13.1757 127 0.28 94
IV.T1245.HHZ. 2016-10-13T21:32:46.71 0.1 negative manual P 0 7.0929 145 0.15 98
IV.NRCA.HNZ. 2016-10-13T21:32:46.66 0.1 positive manual P 308 7.4814 143 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.3 0.00008629999999999998 0.2 AML other m 2016-10-13T21:32:55.57
IV.CAMP.HHN. ML:1.2 0.00006405 1.56 AML other m 2016-10-13T21:32:59.90
IV.CESI.HHE. ML:1.8 0.0003035 0.54 AML other m 2016-10-13T21:32:56.14
IV.CESI.HHN. ML:2.2 0.0006850000000000001 0.46 AML other m 2016-10-13T21:32:56.38
IV.CING.HHN. ML:1.5 0.0000597 1.14 AML other m 2016-10-13T21:33:08.78
IV.CING.HHE. ML:1.5 0.0000618 1.34 AML other m 2016-10-13T21:33:08.13
IV.FAGN.HHE. ML:1.6 0.00007950000000000001 1.62 AML other m 2016-10-13T21:33:09.18
IV.FAGN.HHN. ML:1.6 0.00008124999999999998 1.68 AML other m 2016-10-13T21:33:11.89
IV.FDMO.HHE. ML:1.6 0.00020250000000000002 0.76 AML other m 2016-10-13T21:32:56.07
IV.FDMO.HHN. ML:1.5 0.00016700000000000002 0.3 AML other m 2016-10-13T21:32:54.54
IV.NRCA.HHN. ML:2.7 0.007890000000000001 1.02 AML other m 2016-10-13T21:32:48.21
IV.NRCA.HNN. ML:2.7 0.00728 1.02 AML other m 2016-10-13T21:32:48.21
IV.NRCA.HHE. ML:2.9 0.011699999999999999 0.12 AML other m 2016-10-13T21:32:48.29
IV.NRCA.HNE. ML:2.9 0.01075 0.12 AML other m 2016-10-13T21:32:48.23
IV.RM33.EHN. ML:1.7 0.0002305 0.22 AML other m 2016-10-13T21:32:56.36
IV.RM33.EHE. ML:1.7 0.000215 0.46 AML other m 2016-10-13T21:32:56.11
IV.SMA1.EHN. ML:1.6 0.0002815 0.4 AML other m 2016-10-13T21:32:56.47
IV.SMA1.EHE. ML:1.6 0.00028900000000000003 0.8 AML other m 2016-10-13T21:32:54.94
IV.T1215.EHN. ML:1.5 0.000188 0.32 AML other m 2016-10-13T21:32:54.50
IV.T1215.EHE. ML:1.5 0.000167085 1.06 AML other m 2016-10-13T21:32:53.96
IV.T1216.EHN. ML:2.0 0.0007915 0.22 AML other m 2016-10-13T21:32:51.15
IV.T1216.EHE. ML:1.9 0.0006850999999999999 0.18 AML other m 2016-10-13T21:32:51.43
IV.T1217.HNN. ML:1.8 0.000437 0.52 AML other m 2016-10-13T21:32:53.64
IV.T1217.HNE. ML:1.7 0.0003015 0.66 AML other m 2016-10-13T21:32:53.34
IV.T1247.HHE. ML:1.7 0.00016350000000000002 0.94 AML other m 2016-10-13T21:33:00.66
IV.T1247.HHN. ML:1.7 0.00017749999999999998 0.14 AML other m 2016-10-13T21:33:01.88
IV.TERO.HHN. ML:1.8 0.00023999999999999998 0.32 AML other m 2016-10-13T21:32:57.36
IV.TERO.HHE. ML:1.6 0.000154 0.08 AML other m 2016-10-13T21:32:57.25
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