Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-10-2016 and time 19:55:05 (UTC) in region 5 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km SE Norcia (PG), on

  • 16-10-2016 19:55:05 (UTC)
  • 16-10-2016 21:55:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7670, 13.1390 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 5 4957 4957
Cascia PG 12 3217 8174
Accumoli RI 12 667 8841
Arquata del Tronto AP 13 1178 10019
Castelsantangelo sul Nera MC 14 281 10300
Preci PG 15 724 11024
Cittareale RI 17 482 11506
Poggiodomo PG 18 117 11623
Montegallo AP 18 523 12146
Visso MC 19 1107 13253
Cerreto di Spoleto PG 19 1075 14328
Amatrice RI 20 2657 16985
Ussita MC 20 444 17429
Monteleone di Spoleto PG 20 599 18028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
94 Km W of Pescara (121014 inhabitants)
96 Km W of Chieti (51815 inhabitants)
100 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
Reviewed
Rev100 		ML 1.5 2016-10-16
19:55:05		 42.7668 13.1388 9 2016-10-16
20:16:06		 Sala Sismica INGV-Roma 30274221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-16 19:55:05 ± 0.05
Latitude 42.7668 ± 0.0027
Longitude 13.1388 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30274221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.74464
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 13
Type of magnitude ML
Reference to an origin 30274221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-16 20:16:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-10-16T19:55:31.91 0.1 undecidable manual S 349 82.6506 50 1.08 62
IV.SNTG.HHZ. 2016-10-16T19:55:24.04 0.6 undecidable manual S 344 56.499 50 0.2 44
IV.FIAM.HHZ. 2016-10-16T19:55:23.75 0.1 undecidable manual S 182 55.4001 50 0.22 89
IV.ASSB.HHZ. 2016-10-16T19:55:22.25 0.1 undecidable manual S 308 49.617 50 0.26 89
IV.ARVD.HHZ. 2016-10-16T19:55:20.07 0.1 undecidable manual P 349 82.6506 50 -0.19 85
IV.CING.HHZ. 2016-10-16T19:55:17.92 0.1 undecidable manual P 4 67.6767 50 -0.03 90
IV.EL6.EHZ. 2016-10-16T19:55:16.76 0.1 undecidable manual P 357 62.493 50 -0.39 84
IV.SNTG.HHZ. 2016-10-16T19:55:16.17 0.6 negative manual P 344 56.499 50 -0.05 46
IV.ATCC.EHZ. 2016-10-16T19:55:16.83 0.1 undecidable manual P 319 61.5939 50 -0.18 88
IV.T1243.HHZ. 2016-10-16T19:55:15.38 0.6 undecidable manual S 107 26.4513 109 -0.12 48
IV.FIAM.HHZ. 2016-10-16T19:55:15.85 0.1 undecidable manual P 182 55.4001 50 -0.2 89
IV.ASSB.HHZ. 2016-10-16T19:55:14.85 0.1 undecidable manual P 308 49.617 50 -0.31 88
IV.T1215.EHZ. 2016-10-16T19:55:14.13 0.6 undecidable manual S 280 22.3554 112 -0.05 49
IV.GUMA.HHZ. 2016-10-16T19:55:13.25 1.0 negative manual P 26 36.5412 50 0.11 23
IV.T1211.EHZ. 2016-10-16T19:55:13.03 0.1 undecidable manual P 222 34.743 50 0.15 93
IV.T1247.HHZ. 2016-10-16T19:55:13.38 0.1 undecidable manual P 160 38.3283 50 -0.05 95
IV.ARRO.EHZ. 2016-10-16T19:55:13.11 0.1 undecidable manual P 236 36.8298 50 -0.09 94
IV.TERO.HHZ. 2016-10-16T19:55:13.61 0.1 undecidable manual P 113 41.1255 50 -0.25 90
IV.CAMP.HHZ. 2016-10-16T19:55:12.72 1.0 undecidable manual P 139 33.8439 50 -0.01 24
IV.MC2.EHZ. 2016-10-16T19:55:12.72 0.3 undecidable manual S 14 16.5723 118 0.36 69
IV.CESI.HHZ. 2016-10-16T19:55:12.13 0.1 undecidable manual P 324 32.5452 50 -0.4 89
IV.RM33.EHZ. 2016-10-16T19:55:11.89 0.1 undecidable manual P 168 29.2485 107 -0.07 96
IV.T1243.HHZ. 2016-10-16T19:55:11.22 0.1 undecidable manual P 107 26.4513 109 -0.19 94
IV.T1245.HHZ. 2016-10-16T19:55:10.45 0.6 undecidable manual S 22 10.6782 130 -0.22 48
IV.T1215.EHZ. 2016-10-16T19:55:10.60 0.1 undecidable manual P 280 22.3554 112 -0.05 97
IV.T1217.EHZ. 2016-10-16T19:55:10.09 0.6 positive manual P 250 17.9709 116 0.24 47
IV.MMO1.EHZ. 2016-10-16T19:55:10.32 0.1 undecidable manual P 46 21.2676 113 -0.12 96
IV.SMA1.EHZ. 2016-10-16T19:55:10.85 0.1 undecidable manual P 133 22.0668 112 0.26 93
IV.T1204.EHZ. 2016-10-16T19:55:10.12 0.1 undecidable manual P 125 17.6712 117 0.32 93
IV.LNSS.HHZ. 2016-10-16T19:55:10.29 0.1 undecidable manual P 204 19.869 114 0.09 97
IV.MC2.EHZ. 2016-10-16T19:55:09.72 0.1 undecidable manual P 14 16.5723 118 0.12 97
IV.T1245.HHZ. 2016-10-16T19:55:08.61 0.1 positive manual P 22 10.6782 130 -0.02 100
IV.T1202.EHZ. 2016-10-16T19:55:08.72 0.1 positive manual P 135 9.879 132 0.21 96
IV.NRCA.HNZ. 2016-10-16T19:55:07.96 0.1 undecidable manual P 345 7.6812 139 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:0.8 0.00003165 1.44 AML other m 2016-10-16T19:55:19.07
IV.CAMP.HHE. ML:0.9 0.0000335 0.96 AML other m 2016-10-16T19:55:22.13
IV.CESI.HHN. ML:1.7 0.000211 0.28 AML other m 2016-10-16T19:55:18.30
IV.CESI.HHE. ML:1.3 0.00008345 0.88 AML other m 2016-10-16T19:55:19.06
IV.CING.HHN. ML:1.2 0.000025099999999999997 0.22 AML other m 2016-10-16T19:55:28.56
IV.CING.HHE. ML:1.2 0.0000289 0.16 AML other m 2016-10-16T19:55:28.57
IV.GUMA.HHE. ML:1.7 0.0002055 0.84 AML other m 2016-10-16T19:55:22.06
IV.GUMA.HHN. ML:1.8 0.000223 0.64 AML other m 2016-10-16T19:55:20.93
IV.LNSS.HHN. ML:1.4 0.0001975 0.14 AML other m 2016-10-16T19:55:18.54
IV.LNSS.HHE. ML:1.4 0.0001915 0.16 AML other m 2016-10-16T19:55:15.61
IV.NRCA.HHN. ML:2.7 0.00779 0.1 AML other m 2016-10-16T19:55:10.15
IV.NRCA.HNN. ML:2.6 0.007075 0.1 AML other m 2016-10-16T19:55:10.21
IV.NRCA.HHE. ML:2.9 0.0125 0.1 AML other m 2016-10-16T19:55:09.82
IV.NRCA.HNE. ML:2.8 0.011245000000000002 0.12 AML other m 2016-10-16T19:55:09.83
IV.RM33.EHE. ML:1.2 0.00008774999999999999 1.12 AML other m 2016-10-16T19:55:17.30
IV.RM33.EHN. ML:1.2 0.00008745 0.22 AML other m 2016-10-16T19:55:16.97
IV.SMA1.EHE. ML:1.5 0.000222 0.64 AML other m 2016-10-16T19:55:18.55
IV.SMA1.EHN. ML:1.4 0.000185 1.44 AML other m 2016-10-16T19:55:18.19
IV.SNTG.HHE. ML:1.2 0.000036049999999999995 0.88 AML other m 2016-10-16T19:55:25.82
IV.SNTG.HHN. ML:1.0 0.000026349999999999997 1.16 AML other m 2016-10-16T19:55:28.14
IV.T1211.HNE. ML:4.6 0.17195 1.48 AML other m 2016-10-16T19:55:49.64
IV.T1211.HNN. ML:4.6 0.1565 1.58 AML other m 2016-10-16T19:55:54.21
IV.T1215.EHN. ML:1.2 0.00009599999999999998 0.66 AML other m 2016-10-16T19:55:15.86
IV.T1215.EHE. ML:1.2 0.00011000000000000002 0.78 AML other m 2016-10-16T19:55:15.65
IV.T1245.HNN. ML:2.4 0.003575 0.56 AML other m 2016-10-16T19:55:11.06
IV.T1245.HHN. ML:2.4 0.003355 0.56 AML other m 2016-10-16T19:55:10.78
IV.T1245.HNE. ML:2.1 0.001795 1.04 AML other m 2016-10-16T19:55:11.58
IV.T1245.HHE. ML:2.2 0.0019299999999999999 1.06 AML other m 2016-10-16T19:55:11.06
IV.TERO.HHE. ML:1.2 0.000050100000000000005 0.3 AML other m 2016-10-16T19:55:23.60
IV.TERO.HHN. ML:1.2 0.00005605 1.3 AML other m 2016-10-16T19:55:23.15
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