Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-10-2016 and time 21:11:35 (UTC) in region 3 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km SE Norcia (PG), on

  • 28-10-2016 21:11:35 (UTC)
  • 28-10-2016 23:11:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 13.1220 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 3 4957 4957
Cascia PG 11 3217 8174
Accumoli RI 13 667 8841
Preci PG 14 724 9565
Castelsantangelo sul Nera MC 14 281 9846
Arquata del Tronto AP 14 1178 11024
Poggiodomo PG 17 117 11141
Cittareale RI 17 482 11623
Cerreto di Spoleto PG 18 1075 12698
Visso MC 18 1107 13805
Montegallo AP 19 523 14328
Ussita MC 19 444 14772
Monteleone di Spoleto PG 19 599 15371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W of Chieti (51815 inhabitants)
99 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
Bulletin
Rev1000 		ML 1.5 2016-10-28
21:11:35		 42.7725 13.1223 11 2019-07-19
13:23:19		 Bollettino Sismico Italiano INGV 42120631
Reviewed
Rev100 		ML 1.8 2016-10-28
21:11:35		 42.7758 13.1257 11 2016-10-28
21:19:56		 Sala Sismica INGV-Roma 30855521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-28 21:11:35 ± 0.05
Latitude 42.7725 ± 0.0027
Longitude 13.1223 ± 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 42120631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 45
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) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.60524
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 42120631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-08 16:34:41

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 30855521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-28 21:19:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2016-10-28T21:11:57.00 0.3 undecidable manual S 5 67.1772 50 1.16 46
IV.EL6.EHZ. 2016-10-28T21:11:55.17 0.3 undecidable manual S 358 61.7937 50 0.76 56
IV.SNTG.HHZ. 2016-10-28T21:11:53.15 0.3 undecidable manual S 345 55.5 50 0.42 64
IV.ASSB.HHZ. 2016-10-28T21:11:51.11 0.6 undecidable manual S 309 48.1185 50 0.35 44
IV.TERO.HHZ. 2016-10-28T21:11:49.22 0.3 undecidable manual S 113 42.624 50 -0.08 71
IV.CING.HHZ. 2016-10-28T21:11:47.29 0.3 undecidable manual P 5 67.1772 50 0.09 67
IV.ARRO.EHZ. 2016-10-28T21:11:47.32 0.6 undecidable manual S 234 36.1416 50 -0.24 46
IV.EL6.EHZ. 2016-10-28T21:11:46.41 0.3 undecidable manual P 358 61.7937 50 0.04 69
IV.CESI.HHZ. 2016-10-28T21:11:46.20 0.3 undecidable manual S 326 31.2465 50 -0.06 73
IV.T1211.EHZ. 2016-10-28T21:11:46.98 0.3 undecidable manual S 219 34.3434 50 -0.11 71
IV.RM33.EHZ. 2016-10-28T21:11:46.05 0.3 undecidable manual S 166 30.1476 50 0.07 72
XO.AM05.EHZ. 2016-10-28T21:11:46.13 0.6 undecidable manual S 39 29.4483 50 0.36 45
IV.T1243.HHZ. 2016-10-28T21:11:45.22 0.6 undecidable manual S 107 27.8499 50 -0.14 48
IV.FDMO.HHZ. 2016-10-28T21:11:45.45 0.3 undecidable manual S 354 29.4483 50 -0.31 69
IV.SNTG.HHZ. 2016-10-28T21:11:45.38 0.3 undecidable manual P 345 55.5 50 -0.02 70
IV.T1241.EHZ. 2016-10-28T21:11:44.37 0.3 undecidable manual S 70 26.751 50 -0.7 62
IV.SMA1.EHZ. 2016-10-28T21:11:44.58 1.0 undecidable manual S 132 23.4543 50 0.41 23
IV.LNSS.HHZ. 2016-10-28T21:11:43.18 0.6 undecidable manual S 200 19.9689 50 -0.07 49
IV.TERO.HHZ. 2016-10-28T21:11:43.30 0.3 undecidable manual P 113 42.624 50 -0.12 70
IV.MMO1.EHZ. 2016-10-28T21:11:43.41 0.3 undecidable manual S 50 21.7671 50 -0.32 70
IV.T1204.EHZ. 2016-10-28T21:11:43.07 0.3 undecidable manual S 124 19.1697 119 0.06 74
IV.ASSB.HHZ. 2016-10-28T21:11:43.73 3.0 undecidable manual P 309 48.1185 50 -0.54 0
IV.T1215.EHZ. 2016-10-28T21:11:43.23 0.3 undecidable manual S 279 20.9679 50 -0.27 71
IV.T1299.HNZ. 2016-10-28T21:11:43.69 0.3 undecidable manual S 140 20.1687 50 0.4 69
IV.ARRO.EHZ. 2016-10-28T21:11:42.38 0.1 positive manual P 234 36.1416 50 -0.03 96
IV.MC2.EHZ. 2016-10-28T21:11:42.21 0.3 undecidable manual S 19 16.3725 123 0.03 75
IV.T1201.HNZ. 2016-10-28T21:11:42.74 0.3 undecidable manual S 141 16.5723 123 0.5 68
IV.T1217.EHZ. 2016-10-28T21:11:42.32 0.3 undecidable manual S 247 16.9719 122 -0.04 75
IV.T1211.EHZ. 2016-10-28T21:11:42.08 0.1 positive manual P 219 34.3434 50 -0.07 96
IV.RM33.EHZ. 2016-10-28T21:11:41.36 0.1 positive manual P 166 30.1476 50 -0.14 95
XO.AM05.EHZ. 2016-10-28T21:11:41.61 3.0 undecidable manual P 39 29.4483 50 0.22 0
IV.CESI.HHZ. 2016-10-28T21:11:41.61 0.3 undecidable manual P 326 31.2465 50 -0.06 73
IV.T1216.EHZ. 2016-10-28T21:11:41.73 0.3 undecidable manual S 327 15.5733 125 -0.23 72
IV.FDMO.HHZ. 2016-10-28T21:11:41.25 0.3 undecidable manual P 354 29.4483 50 -0.13 72
IV.T1241.EHZ. 2016-10-28T21:11:40.26 0.3 undecidable manual P 70 26.751 50 -0.72 61
IV.T1215.EHZ. 2016-10-28T21:11:40.12 0.3 undecidable manual P 279 20.9679 50 0.05 74
IV.SMA1.EHZ. 2016-10-28T21:11:40.51 0.3 undecidable manual P 132 23.4543 50 0.05 74
IV.T1299.HNZ. 2016-10-28T21:11:40.10 0.3 undecidable manual P 140 20.1687 50 0.15 72
IV.T1245.HHZ. 2016-10-28T21:11:40.36 0.3 undecidable manual S 30 10.7781 135 -0.31 71
IV.T1243.HHZ. 2016-10-28T21:11:40.95 0.1 undecidable manual P 107 27.8499 50 -0.19 95
IV.MMO1.EHZ. 2016-10-28T21:11:40.12 0.3 undecidable manual P 50 21.7671 50 -0.09 73
IV.T1217.EHZ. 2016-10-28T21:11:39.43 0.1 positive manual P 247 16.9719 122 0.01 100
IV.T1216.EHZ. 2016-10-28T21:11:39.18 0.3 undecidable manual P 327 15.5733 125 0 75
IV.LNSS.HHZ. 2016-10-28T21:11:39.93 0.1 positive manual P 200 19.9689 50 0 100
IV.MC2.EHZ. 2016-10-28T21:11:39.11 3.0 undecidable manual P 19 16.3725 123 -0.2 0
IV.T1201.HNZ. 2016-10-28T21:11:39.60 0.1 undecidable manual P 141 16.5723 123 0.26 95
IV.T1204.EHZ. 2016-10-28T21:11:39.84 0.3 undecidable manual P 124 19.1697 119 0.05 74
IV.T1245.HHZ. 2016-10-28T21:11:38.52 0.1 undecidable manual P 30 10.7781 135 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHN. ML:0.6 0.0000215993938 0.0768 AML other m 2016-10-28T21:11:46.52
XO.AM05.HNE. ML:1.2 0.0000775729 0.128 AML other m 2016-10-28T21:11:46.59
XO.AM05.HNN. ML:1.2 0.0000729986485 0.2304 AML other m 2016-10-28T21:11:46.50
IV.ARRO.EHN. ML:1.3 0.0000725199 0.1792 AML other m 2016-10-28T21:11:49.57
IV.ARRO.EHE. ML:1.2 0.00006227294999999999 0.1536 AML other m 2016-10-28T21:11:50.12
IV.ASSB.HHE. ML:1.3 0.0000500103275 0.1152 AML other m 2016-10-28T21:11:51.64
IV.ASSB.HHN. ML:1.3 0.00004834053 0.1792 AML other m 2016-10-28T21:11:53.22
IV.CESI.HHN. ML:1.7 0.0002179704 0.192 AML other m 2016-10-28T21:11:46.87
IV.CESI.HHE. ML:1.6 0.00018092475 0.1536 AML other m 2016-10-28T21:11:46.44
IV.CING.HHN. ML:1.3 0.000036484895 0.1792 AML other m 2016-10-28T21:11:57.65
IV.EL6.EHN. ML:1.7 0.00009688869999999999 0.2432 AML other m 2016-10-28T21:11:55.98
IV.EL6.EHE. ML:1.7 0.00008800600000000002 0.1792 AML other m 2016-10-28T21:11:55.53
IV.FDMO.HHE. ML:1.4 0.00012789475 0.1152 AML other m 2016-10-28T21:11:46.12
IV.FDMO.HHN. ML:1.6 0.0001824047 0.1792 AML other m 2016-10-28T21:11:46.36
IV.LNSS.HHE. ML:1.8 0.00043260039999999997 0.1792 AML other m 2016-10-28T21:11:44.01
IV.LNSS.HHN. ML:1.7 0.00035982295 0.1024 AML other m 2016-10-28T21:11:43.85
IV.SNTG.HHN. ML:1.3 0.000052008584999999994 0.1536 AML other m 2016-10-28T21:11:53.77
IV.SNTG.HHE. ML:1.3 0.000043435105 0.1024 AML other m 2016-10-28T21:11:53.48
IV.T1211.HNE. ML:1.4 0.00010877050999999999 0.128 AML other m 2016-10-28T21:11:47.91
IV.T1211.EHN. ML:1.7 0.00019345739999999996 0.192 AML other m 2016-10-28T21:11:47.92
IV.T1211.HNN. ML:1.7 0.0001917144 0.2176 AML other m 2016-10-28T21:11:47.92
IV.T1215.HNE. ML:1.3 0.0001290865 0.128 AML other m 2016-10-28T21:11:43.80
IV.T1215.EHE. ML:1.3 0.000141844045 0.128 AML other m 2016-10-28T21:11:43.87
IV.T1215.EHN. ML:1.4 0.00015968464999999998 0.1152 AML other m 2016-10-28T21:11:43.87
IV.T1215.HNN. ML:1.4 0.000163676495 0.128 AML other m 2016-10-28T21:11:43.92
IV.T1217.HNE. ML:1.6 0.0003523119 0.0768 AML other m 2016-10-28T21:11:42.49
IV.T1217.EHN. ML:1.5 0.00024901270000000003 0.064 AML other m 2016-10-28T21:11:42.94
IV.T1245.HNN. ML:2.2 0.0017549767000000001 0.1792 AML other m 2016-10-28T21:11:41.01
IV.T1245.HHE. ML:2.0 0.0010957995000000001 0.1152 AML other m 2016-10-28T21:11:41.01
IV.T1245.HHN. ML:2.2 0.0017006075 0.1792 AML other m 2016-10-28T21:11:41.01
IV.T1245.HNE. ML:1.9 0.0010201175499999998 0.0896 AML other m 2016-10-28T21:11:40.57
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