Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 16-10-2016 and time 07:19:48 (UTC) in region 6 km SE Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 6 km SE Norcia (PG), on

  • 16-10-2016 07:19:48 (UTC)
  • 16-10-2016 09:19:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7620, 13.1490 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 6 4957 4957
Accumoli RI 11 667 5624
Cascia PG 12 3217 8841
Arquata del Tronto AP 12 1178 10019
Castelsantangelo sul Nera MC 15 281 10300
Preci PG 16 724 11024
Cittareale RI 16 482 11506
Montegallo AP 18 523 12029
Poggiodomo PG 18 117 12146
Amatrice RI 19 2657 14803
Visso MC 20 1107 15910

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Foligno (57155 inhabitants)
47 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km W of Pescara (121014 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 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 1.9 2016-10-16
07:19:48		 42.7623 13.1493 9 2016-10-16
07:26:28		 Sala Sismica INGV-Roma 30244121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-16 07:19:48 ± 0.05
Latitude 42.7623 ± 0.0027
Longitude 13.1493 ± 0.0037
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 30244121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 31
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 30244121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-16 07:26:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2016-10-16T07:20:22.99 3.0 undecidable manual S -2.41 0
IV.ARVD.HHZ. 2016-10-16T07:20:14.99 0.6 undecidable manual S 348 83.3499 50 1.45 25
IV.EL6.EHZ. 2016-10-16T07:20:08.62 0.3 undecidable manual S 357 62.9925 50 0.5 62
IV.ATCC.EHZ. 2016-10-16T07:20:08.99 0.3 undecidable manual S 319 62.493 50 1 50
IV.CESX.HHZ. 2016-10-16T07:20:04.99 0.6 undecidable manual S 250 48.9177 50 0.63 40
IV.ARVD.HHZ. 2016-10-16T07:20:02.88 0.1 undecidable manual P 348 83.3499 50 0.01 88
IV.T0110.HHZ. 2016-10-16T07:20:02.08 0.1 undecidable manual P 139 78.2661 50 -0.01 89
IV.ARRO.EHZ. 2016-10-16T07:20:01.64 0.1 undecidable manual S 237 37.3293 50 0.39 89
IV.VCEL.EHZ. 2016-10-16T07:20:01.77 0.1 undecidable manual P 126 69.6747 50 1.01 66
IV.GUMA.HHZ. 2016-10-16T07:20:01.28 0.1 undecidable manual S 24 36.6411 50 0.22 92
IV.TERO.HHZ. 2016-10-16T07:20:01.83 0.1 undecidable manual S 113 40.1265 50 -0.19 92
IV.CING.HHZ. 2016-10-16T07:20:00.69 1.0 positive manual P 3 68.1762 50 0.16 22
IV.T1211.EHZ. 2016-10-16T07:20:00.36 0.1 undecidable manual S 223 34.9428 50 -0.28 91
IV.ATCC.EHZ. 2016-10-16T07:19:59.47 0.6 undecidable manual P 319 62.493 50 -0.19 44
IV.CAMP.HHZ. 2016-10-16T07:19:59.79 0.1 undecidable manual S 140 32.8449 50 -0.28 92
IV.CESI.HHZ. 2016-10-16T07:19:59.71 0.1 undecidable manual S 324 33.4443 50 -0.52 87
IV.EL6.EHZ. 2016-10-16T07:19:59.51 0.1 undecidable manual P 357 62.9925 50 -0.23 88
IV.OFFI.HHZ. 2016-10-16T07:19:58.49 3.0 negative manual P 1.16 0
IV.RM33.EHZ. 2016-10-16T07:19:58.50 0.1 undecidable manual S 169 28.5492 107 -0.16 95
IV.FIAM.HHZ. 2016-10-16T07:19:58.32 1.0 positive manual P 183 54.9006 50 -0.17 23
IV.SNTG.HHZ. 2016-10-16T07:19:58.66 0.6 negative manual P 343 57.1983 50 -0.19 45
IV.ASSB.HHZ. 2016-10-16T07:19:57.40 0.1 undecidable manual P 308 50.5161 50 -0.42 86
IV.CESX.HHZ. 2016-10-16T07:19:57.50 0.1 undecidable manual P 250 48.9177 50 -0.07 93
IV.GIGS.HHZ. 2016-10-16T07:19:57.09 0.1 undecidable manual P 135 48.7179 50 -0.44 86
IV.T1243.HHZ. 2016-10-16T07:19:57.46 0.1 undecidable manual S 107 25.4523 109 -0.15 95
IV.T1215.EHZ. 2016-10-16T07:19:56.72 0.1 undecidable manual S 281 23.2545 110 -0.19 95
IV.T1217.EHZ. 2016-10-16T07:19:55.60 0.1 undecidable manual S 253 18.6702 115 0.18 96
IV.TERO.HHZ. 2016-10-16T07:19:55.93 1.0 undecidable manual P 113 40.1265 50 -0.29 23
IV.T1204.EHZ. 2016-10-16T07:19:55.37 0.1 undecidable manual S 125 16.6722 117 0.56 88
IV.T1211.EHZ. 2016-10-16T07:19:55.14 1.0 negative manual P 223 34.9428 50 -0.28 23
IV.MC2.EHZ. 2016-10-16T07:19:55.51 0.1 undecidable manual S 11 16.872 117 0.64 85
IV.LNSS.HHZ. 2016-10-16T07:19:55.82 0.1 undecidable manual S 207 19.7691 114 0.03 99
IV.ARRO.EHZ. 2016-10-16T07:19:55.79 0.1 undecidable manual P 237 37.3293 50 0.01 96
IV.T1247.HHZ. 2016-10-16T07:19:55.71 0.1 undecidable manual P 161 37.629 50 -0.11 94
IV.T1216.EHZ. 2016-10-16T07:19:55.42 0.1 undecidable manual S 323 17.7711 116 0.28 94
IV.MMO1.EHZ. 2016-10-16T07:19:55.93 0.1 undecidable manual S 43 20.9679 112 -0.23 94
IV.GUMA.HHZ. 2016-10-16T07:19:55.70 0.6 positive manual P 24 36.6411 50 0.03 48
IV.CESI.HHZ. 2016-10-16T07:19:54.91 0.1 negative manual P 324 33.4443 50 -0.28 92
IV.RM33.EHZ. 2016-10-16T07:19:54.18 0.3 negative manual P 169 28.5492 107 -0.1 72
IV.CAMP.HHZ. 2016-10-16T07:19:54.88 1.0 positive manual P 140 32.8449 50 -0.21 23
IV.T1243.HHZ. 2016-10-16T07:19:53.65 0.6 negative manual P 107 25.4523 109 -0.03 49
IV.T1215.EHZ. 2016-10-16T07:19:53.13 0.6 positive manual P 281 23.2545 110 -0.14 48
XO.AM05.EHZ. 2016-10-16T07:19:53.42 0.6 negative manual P 35 29.0487 107 -0.94 37
IV.T1202.EHZ. 2016-10-16T07:19:52.91 0.1 undecidable manual S 137 8.9799 134 0.3 95
IV.T1216.EHZ. 2016-10-16T07:19:52.18 0.6 negative manual P 323 17.7711 116 -0.07 49
IV.MMO1.EHZ. 2016-10-16T07:19:52.77 0.1 negative manual P 43 20.9679 112 -0.07 98
IV.T1245.HHZ. 2016-10-16T07:19:52.90 0.1 undecidable manual S 17 10.878 128 -0.22 96
IV.T1217.EHZ. 2016-10-16T07:19:52.38 0.6 negative manual P 253 18.6702 115 -0.03 49
IV.T1204.EHZ. 2016-10-16T07:19:52.44 1.0 positive manual P 125 16.6722 117 0.38 23
IV.MC2.EHZ. 2016-10-16T07:19:52.14 0.3 negative manual P 11 16.872 117 0.05 74
IV.LNSS.HHZ. 2016-10-16T07:19:52.66 0.1 positive manual P 207 19.7691 114 0.04 98
IV.T1202.EHZ. 2016-10-16T07:19:51.04 0.1 undecidable manual P 137 8.9799 134 0.25 96
IV.T1245.HHZ. 2016-10-16T07:19:51.12 0.1 negative manual P 17 10.878 128 0.04 100
IV.NRCA.HNZ. 2016-10-16T07:19:51.93 0.1 undecidable manual S 340 8.3805 136 -0.55 90
IV.NRCA.HNZ. 2016-10-16T07:19:50.63 0.3 negative manual P 340 8.3805 136 -0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNN. ML:1.4 0.00012314999999999998 1.08 AML other m 2016-10-16T07:19:59.53
XO.AM05.EHN. ML:2.0 0.00047850000000000003 0.12 AML other m 2016-10-16T07:20:00.14
XO.AM05.EHE. ML:2.1 0.000608 0.58 AML other m 2016-10-16T07:19:59.92
XO.AM05.HNE. ML:1.5 0.000163 0.6 AML other m 2016-10-16T07:19:59.91
IV.ARVD.HHE. ML:1.5 0.0000436 0.16 AML other m 2016-10-16T07:20:16.03
IV.ARVD.HHN. ML:1.5 0.00004055 1.58 AML other m 2016-10-16T07:20:17.01
IV.ASSB.HHE. ML:1.8 0.00017449999999999999 0.12 AML other m 2016-10-16T07:20:05.30
IV.ASSB.HHN. ML:1.8 0.00017549999999999998 1.42 AML other m 2016-10-16T07:20:08.05
IV.ATCC.EHE. ML:1.9 0.0001535 1.5 AML other m 2016-10-16T07:20:10.26
IV.ATCC.EHN. ML:1.8 0.00012375 1.16 AML other m 2016-10-16T07:20:11.87
IV.CAMP.HHE. ML:1.4 0.00009755 0.78 AML other m 2016-10-16T07:19:59.92
IV.CAMP.HHN. ML:1.4 0.0001095 0.6 AML other m 2016-10-16T07:20:01.11
IV.CESI.HHN. ML:2.1 0.0005600000000000001 0.48 AML other m 2016-10-16T07:20:01.47
IV.CESI.HHE. ML:1.9 0.00035850000000000004 0.2 AML other m 2016-10-16T07:20:01.77
IV.GIGS.HHN. ML:1.1 0.0000327 0.9 AML other m 2016-10-16T07:20:05.86
IV.GIGS.HHE. ML:1.3 0.000049250000000000004 0.16 AML other m 2016-10-16T07:20:04.20
IV.GUMA.HHN. ML:2.1 0.0005225 0.46 AML other m 2016-10-16T07:20:02.57
IV.GUMA.HHE. ML:2.0 0.000437 1 AML other m 2016-10-16T07:20:02.93
IV.LNSS.HHN. ML:2.2 0.0012749999999999999 0.12 AML other m 2016-10-16T07:19:57.51
IV.LNSS.HHE. ML:2.1 0.0009490000000000001 0.6 AML other m 2016-10-16T07:19:57.77
IV.NRCA.HNE. ML:3.0 0.0161 0.14 AML other m 2016-10-16T07:19:52.23
IV.NRCA.HHE. ML:3.0 0.01735 0.16 AML other m 2016-10-16T07:19:52.22
IV.NRCA.HHN. ML:2.6 0.005640000000000001 0.12 AML other m 2016-10-16T07:19:52.87
IV.NRCA.HNN. ML:2.5 0.005085 0.12 AML other m 2016-10-16T07:19:52.88
IV.OFFI.HHE. ML:2.2 0.0003985 1.56 AML other m 2016-10-16T07:20:08.00
IV.OFFI.HHN. ML:2.0 0.00029900000000000006 0.88 AML other m 2016-10-16T07:20:09.02
IV.RM33.EHN. ML:2.0 0.000524 0.98 AML other m 2016-10-16T07:19:59.26
IV.RM33.EHE. ML:1.9 0.00039749999999999996 0.92 AML other m 2016-10-16T07:19:59.51
IV.SNTG.HHE. ML:1.6 0.00008405 0.52 AML other m 2016-10-16T07:20:09.30
IV.SNTG.HHN. ML:1.6 0.00008400000000000001 0.18 AML other m 2016-10-16T07:20:09.42
IV.T0110.HHN. ML:1.8 0.00009309999999999999 0.58 AML other m 2016-10-16T07:20:15.50
IV.T0110.HHE. ML:1.8 0.00008874999999999999 0.52 AML other m 2016-10-16T07:20:21.17
IV.T1211.EHN. ML:2.0 0.00037529999999999996 1.06 AML other m 2016-10-16T07:20:02.16
IV.T1211.EHE. ML:1.9 0.00031500000000000007 0.18 AML other m 2016-10-16T07:20:02.95
IV.T1245.HNN. ML:2.6 0.005375 0.7 AML other m 2016-10-16T07:19:53.83
IV.T1245.HHN. ML:2.6 0.00534 0.68 AML other m 2016-10-16T07:19:53.84
IV.T1245.HNE. ML:2.4 0.0029749999999999998 1.42 AML other m 2016-10-16T07:19:53.27
IV.T1245.HHE. ML:2.4 0.0029950000000000003 0.62 AML other m 2016-10-16T07:19:53.27
IV.TERO.HHE. ML:1.8 0.00022600000000000002 0.28 AML other m 2016-10-16T07:20:03.35
IV.TERO.HHN. ML:1.8 0.00022649999999999998 1.08 AML other m 2016-10-16T07:20:04.40
IV.VCEL.EHN. ML:1.9 0.0001375 1.3 AML other m 2016-10-16T07:20:16.62
IV.VCEL.EHE. ML:1.9 0.000124816 1 AML other m 2016-10-16T07:20:14.04
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