Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-10-2016 and time 21:01:17 (UTC) in region 5 km SE Preci (PG)

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

  • 28-10-2016 21:01:17 (UTC)
  • 28-10-2016 23:01:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 13.0720 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 5 724 724
Norcia PG 6 4957 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 10 1107 7069
Ussita MC 12 444 7513
Sellano PG 13 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Cascia PG 15 3217 12884
Monte Cavallo MC 18 145 13029
Poggiodomo PG 19 117 13146
Vallo di Nera PG 19 364 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
63 Km E of Perugia (166134 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
98 Km N of Guidonia Montecelio (88673 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
21:01:17		 42.8458 13.0723 10 2019-07-19
13:23:19		 Bollettino Sismico Italiano INGV 42117201
Reviewed
Rev100 		ML 1.6 2016-10-28
21:01:17		 42.8467 13.0707 11 2016-10-28
21:26:14		 Sala Sismica INGV-Roma 30855911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-28 21:01:17 ± 0.04
Latitude 42.8458 ± 0.0027
Longitude 13.0723 ± 0.0037
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 42117201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 251
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.48384
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:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 30855911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-28 21:26:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 42117201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-08 15:02:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-10-28T21:01:35.32 0.3 undecidable manual S 3 53.7018 50 0.52 62
IV.SNTG.HHZ. 2016-10-28T21:01:33.22 0.3 undecidable manual S 347 46.62 50 0.3 66
IV.TERO.HHZ. 2016-10-28T21:01:33.79 0.3 undecidable manual S 120 49.9167 50 0 70
IV.RM33.HNE. 2016-10-28T21:01:31.09 0.3 undecidable manual S 163 39.1275 50 0.18 69
IV.T1211.HNN. 2016-10-28T21:01:31.12 0.3 undecidable manual S 207 39.0276 50 0.24 68
IV.ARRO.EHZ. 2016-10-28T21:01:30.63 0.6 undecidable manual S 220 38.7279 50 -0.18 46
IV.ASSB.HHZ. 2016-10-28T21:01:30.95 0.3 undecidable manual S 303 40.0266 50 -0.21 69
IV.GUMA.HNN. 2016-10-28T21:01:29.49 0.3 undecidable manual S 41 32.1456 50 0.44 66
IV.T1243.HHZ. 2016-10-28T21:01:29.58 0.3 undecidable manual S 118 34.8429 50 -0.19 70
IV.CSP1.EHZ. 2016-10-28T21:01:28.08 0.3 undecidable manual S 21 29.3484 50 -0.22 70
IV.T1299.HNE. 2016-10-28T21:01:28.45 0.6 undecidable manual S 144 29.0487 50 0.23 46
IV.SMA1.EHZ. 2016-10-28T21:01:28.98 1.0 undecidable manual S 138 32.0457 50 -0.06 24
IV.T1201.HNE. 2016-10-28T21:01:27.71 0.3 undecidable manual S 145 25.4523 50 0.44 67
IV.SNTG.HHZ. 2016-10-28T21:01:27.00 1.0 undecidable manual P 347 46.62 50 0.45 21
IV.T1241.EHZ. 2016-10-28T21:01:27.55 0.1 undecidable manual S 88 29.1486 50 -0.72 80
IV.LNSS.HHZ. 2016-10-28T21:01:27.42 0.1 undecidable manual S 186 27.0507 50 -0.28 92
IV.EL6.EHZ. 2016-10-28T21:01:27.64 0.3 undecidable manual P 3 53.7018 50 0.01 70
IV.CESI.HHZ. 2016-10-28T21:01:26.03 0.3 undecidable manual S 322 22.2555 115 -0.34 69
IV.TERO.HHZ. 2016-10-28T21:01:26.86 1.0 undecidable manual P 120 49.9167 50 -0.19 23
IV.MMO1.EHZ. 2016-10-28T21:01:25.83 0.3 undecidable manual S 74 21.5673 116 -0.29 70
IV.ASSB.HHZ. 2016-10-28T21:01:25.45 0.3 undecidable manual P 303 40.0266 50 -0.08 70
IV.T1211.HNN. 2016-10-28T21:01:25.49 0.6 undecidable manual P 207 39.0276 50 0.12 47
IV.RM33.HNE. 2016-10-28T21:01:25.86 1.0 undecidable manual P 163 39.1275 50 0.47 22
IV.T1217.EHZ. 2016-10-28T21:01:25.18 0.3 undecidable manual S 218 18.7701 119 -0.1 73
IV.FDMO.HHZ. 2016-10-28T21:01:25.85 0.6 undecidable manual S 3 21.1677 116 -0.17 48
IV.ARRO.EHZ. 2016-10-28T21:01:25.36 0.1 undecidable manual P 220 38.7279 50 0.03 95
IV.SMA1.EHZ. 2016-10-28T21:01:24.30 0.3 undecidable manual P 138 32.0457 50 -0.01 72
IV.T1215.EHZ. 2016-10-28T21:01:24.64 0.3 undecidable manual S 254 17.2716 121 -0.19 72
IV.GUMA.HNN. 2016-10-28T21:01:24.51 0.1 positive manual P 41 32.1456 50 0.19 93
IV.T1243.HHZ. 2016-10-28T21:01:24.65 0.3 undecidable manual P 118 34.8429 50 -0.08 71
IV.FEMA.HNE. 2016-10-28T21:01:23.58 0.3 undecidable manual S 352 12.9759 128 -0.03 75
IV.LNSS.HHZ. 2016-10-28T21:01:23.48 0.1 undecidable manual P 186 27.0507 50 -0.06 96
IV.T1201.HNE. 2016-10-28T21:01:23.55 0.3 undecidable manual P 145 25.4523 50 0.26 70
IV.CSP1.EHZ. 2016-10-28T21:01:23.78 0.1 positive manual P 21 29.3484 50 -0.1 95
IV.MC2.EHZ. 2016-10-28T21:01:23.62 0.3 undecidable manual S 52 11.9769 131 0.3 71
IV.T1241.EHZ. 2016-10-28T21:01:23.21 0.1 positive manual P 88 29.1486 50 -0.65 83
IV.T1299.HNE. 2016-10-28T21:01:23.99 0.3 undecidable manual P 144 29.0487 50 0.16 71
IV.FDMO.HHZ. 2016-10-28T21:01:22.32 0.1 undecidable manual P 3 21.1677 116 -0.24 94
IV.T1216.EHZ. 2016-10-28T21:01:22.04 0.1 undecidable manual S 319 6.5934 147 -0.05 100
IV.MMO1.EHZ. 2016-10-28T21:01:22.55 0.1 positive manual P 74 21.5673 116 -0.08 97
IV.T1245.HNZ. 2016-10-28T21:01:22.79 0.3 undecidable manual S 83 9.4794 137 0.09 74
IV.CESI.HHZ. 2016-10-28T21:01:22.73 0.1 negative manual P 322 22.2555 115 -0.04 98
IV.T1217.EHZ. 2016-10-28T21:01:22.20 0.1 undecidable manual P 218 18.7701 119 0.06 98
IV.MC2.EHZ. 2016-10-28T21:01:21.28 0.1 positive manual P 52 11.9769 131 0.28 95
IV.FEMA.HNE. 2016-10-28T21:01:21.35 0.3 undecidable manual P 352 12.9759 128 0.18 72
IV.T1215.EHZ. 2016-10-28T21:01:21.94 0.1 positive manual P 254 17.2716 121 0.06 98
IV.T1216.EHZ. 2016-10-28T21:01:20.49 0.1 undecidable manual P 319 6.5934 147 0.2 97
IV.T1245.HNZ. 2016-10-28T21:01:20.87 0.3 undecidable manual P 83 9.4794 137 0.22 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.0 0.000037250125500000004 0.1792 AML other m 2016-10-28T21:01:31.26
IV.ARRO.EHN. ML:1.0 0.000037670032499999996 0.1408 AML other m 2016-10-28T21:01:31.65
IV.CESI.HHE. ML:1.5 0.00019542494999999998 0.192 AML other m 2016-10-28T21:01:26.82
IV.CESI.HHN. ML:1.7 0.0003331848 0.256 AML other m 2016-10-28T21:01:26.41
IV.FDMO.HHE. ML:1.6 0.00029059409999999996 0.1536 AML other m 2016-10-28T21:01:26.32
IV.FDMO.HHN. ML:1.7 0.0003629577 0.128 AML other m 2016-10-28T21:01:26.42
IV.LNSS.HHE. ML:1.5 0.0001686805 0.1536 AML other m 2016-10-28T21:01:28.38
IV.LNSS.HHN. ML:1.4 0.000120230325 0.1024 AML other m 2016-10-28T21:01:28.08
IV.T1216.EHN. ML:1.7 0.00081362335 0.192 AML other m 2016-10-28T21:01:22.12
IV.T1216.EHE. ML:1.6 0.00068361885 0.256 AML other m 2016-10-28T21:01:22.41
IV.T1217.HNE. ML:1.3 0.00015604245 0.832 AML other m 2016-10-28T21:01:21.79
IV.T1217.EHN. ML:1.3 0.00013756100000000005 0.1408 AML other m 2016-10-28T21:01:25.87
IV.T1217.EHE. ML:1.1 0.00009085900000000002 0.3072 AML other m 2016-10-28T21:01:27.27
IV.T1241.EHE. ML:0.0 0.00008958183 0.1664 AML other m 2016-10-28T21:01:28.91
IV.T1241.EHN. ML:0.0 0.00014533176 0.3456 AML other m 2016-10-28T21:01:27.83
IV.T1245.HHN. ML:2.1 0.001745791 0.128 AML other m 2016-10-28T21:01:23.12
IV.T1245.HNE. ML:2.0 0.0014531330000000001 0.2176 AML other m 2016-10-28T21:01:23.47
IV.T1245.HNN. ML:2.2 0.0018106345 0.1408 AML other m 2016-10-28T21:01:23.12
IV.T1245.HHE. ML:2.0 0.00140709905 0.1792 AML other m 2016-10-28T21:01:23.47
IV.TERO.HHN. ML:1.3 0.000049005690000000003 0.1152 AML other m 2016-10-28T21:01:34.53
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