Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 16-10-2016 and time 19:09:15 (UTC) in region 2 km E Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km E Preci (PG), on

  • 16-10-2016 19:09:15 (UTC)
  • 16-10-2016 21:09:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8710, 13.0670 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
Preci PG 2 724 724
Visso MC 7 1107 1831
Castelsantangelo sul Nera MC 8 281 2112
Norcia PG 9 4957 7069
Ussita MC 10 444 7513
Sellano PG 12 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 15 145 9812
Cascia PG 17 3217 13029
Fiordimonte MC 19 202 13231
Bolognola MC 19 142 13373
Pieve Torina MC 20 1458 14831
Acquacanina MC 20 121 14952
Fiastra MC 20 559 15511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
97 Km W of Montesilvano (53738 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 1.1 2016-10-16
19:09:15		 42.8707 13.067 9 2016-10-16
19:20:10		 Sala Sismica INGV-Roma 30271621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-16 19:09:15 ± 0.05
Latitude 42.8707 ± 0.0018
Longitude 13.0670 ± 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 30271621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 67
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
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) 55
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45955
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 30271621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-16 19:20:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-10-16T19:09:32.30 0.6 undecidable manual S 3 51.0156 50 0.55 41
IV.SNTG.HHZ. 2016-10-16T19:09:30.07 0.6 undecidable manual S 347 43.8228 50 0.22 45
IV.ASSB.HHZ. 2016-10-16T19:09:29.99 3.0 undecidable manual S 0.13 0
IV.T1243.HHZ. 2016-10-16T19:09:27.42 0.6 undecidable manual S 122 36.5412 50 -0.48 44
IV.GUMA.HHZ. 2016-10-16T19:09:26.49 0.6 undecidable manual S 46 30.4473 106 0.3 46
IV.LNSS.HHZ. 2016-10-16T19:09:25.87 0.6 undecidable manual S 184 29.748 107 -0.1 48
IV.T1204.EHZ. 2016-10-16T19:09:25.85 0.6 undecidable manual S 137 29.6481 107 -0.07 48
IV.T1201.HNZ. 2016-10-16T19:09:25.67 0.6 undecidable manual S 148 27.9498 108 0.3 46
IV.CSP1.EHZ. 2016-10-16T19:09:24.95 0.6 undecidable manual S 24 26.9508 108 -0.08 48
XO.AM05.EHZ. 2016-10-16T19:09:24.65 0.6 undecidable manual S 63 26.0517 109 -0.09 48
IV.EL6.EHZ. 2016-10-16T19:09:24.56 0.3 undecidable manual P 3 51.0156 50 -0.18 68
IV.T1217.HNZ. 2016-10-16T19:09:23.30 0.6 undecidable manual S 212 20.7681 113 0.27 47
IV.SNTG.HHZ. 2016-10-16T19:09:23.41 0.3 undecidable manual P 347 43.8228 50 -0.25 68
IV.MMO1.EHZ. 2016-10-16T19:09:23.04 0.6 undecidable manual S 81 21.3675 112 -0.17 48
IV.T1202.EHZ. 2016-10-16T19:09:23.89 0.6 undecidable manual S 145 22.5552 111 0.3 46
IV.RM33.EHZ. 2016-10-16T19:09:23.02 0.6 undecidable manual P 163 41.9247 50 -0.32 45
IV.T1215.EHZ. 2016-10-16T19:09:22.22 0.6 undecidable manual S 245 17.871 116 0.12 49
IV.T1243.HHZ. 2016-10-16T19:09:22.60 0.3 undecidable manual P 122 36.5412 50 0.08 71
IV.CESI.HHZ. 2016-10-16T19:09:22.80 0.6 undecidable manual S 319 19.869 114 0.05 49
IV.GUMA.HHZ. 2016-10-16T19:09:21.56 0.1 undecidable manual P 46 30.4473 106 0.02 97
IV.LNSS.HHZ. 2016-10-16T19:09:21.28 0.1 undecidable manual P 184 29.748 107 -0.13 95
IV.T1204.EHZ. 2016-10-16T19:09:21.29 0.3 undecidable manual P 137 29.6481 107 -0.1 72
IV.T1201.HNZ. 2016-10-16T19:09:21.15 0.3 undecidable manual P 148 27.9498 108 0.08 72
IV.T1202.EHZ. 2016-10-16T19:09:20.14 0.3 undecidable manual P 145 22.5552 111 0.1 73
IV.CSP1.EHZ. 2016-10-16T19:09:20.65 0.1 undecidable manual P 24 26.9508 108 -0.23 94
XO.AM05.EHZ. 2016-10-16T19:09:20.69 0.3 undecidable manual P 63 26.0517 109 -0.01 73
IV.MC2.EHZ. 2016-10-16T19:09:20.54 0.6 undecidable manual S 65 10.878 129 0.48 46
IV.T1215.EHZ. 2016-10-16T19:09:19.37 0.1 undecidable manual P 245 17.871 116 0.19 96
IV.T1245.HHZ. 2016-10-16T19:09:19.96 0.6 undecidable manual S 99 9.9789 132 0.15 49
IV.CESI.HHZ. 2016-10-16T19:09:19.58 0.1 undecidable manual P 319 19.869 114 0.03 99
IV.T1217.HNZ. 2016-10-16T19:09:19.86 0.3 undecidable manual P 212 20.7681 113 0.15 72
IV.MMO1.EHZ. 2016-10-16T19:09:19.75 0.1 undecidable manual P 81 21.3675 112 -0.07 98
IV.T1216.EHZ. 2016-10-16T19:09:18.01 0.6 undecidable manual S 300 4.4955 153 -0.62 44
IV.MC2.EHZ. 2016-10-16T19:09:18.12 0.1 undecidable manual P 65 10.878 129 0.12 98
IV.NRCA.HHZ. 2016-10-16T19:09:18.42 0.6 undecidable manual S 137 5.5944 148 -0.4 47
IV.T1245.HHZ. 2016-10-16T19:09:18.00 0.3 undecidable manual P 99 9.9789 132 0.14 74
IV.FEMA.HNZ. 2016-10-16T19:09:17.94 0.3 undecidable manual P 352 10.2786 131 0.04 75
IV.T1216.EHZ. 2016-10-16T19:09:17.06 0.1 undecidable manual P 300 4.4955 153 -0.11 100
IV.NRCA.HHZ. 2016-10-16T19:09:17.20 0.1 positive manual P 137 5.5944 148 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.0001395 0.3 AML other m 2016-10-16T19:09:23.26
IV.CESI.HHE. ML:0.8 0.000052000000000000004 0.4 AML other m 2016-10-16T19:09:24.53
IV.LNSS.HHN. ML:1.0 0.000054900000000000006 1.22 AML other m 2016-10-16T19:09:27.22
IV.LNSS.HHE. ML:1.2 0.0000738 1.48 AML other m 2016-10-16T19:09:26.83
IV.T1245.HHE. ML:1.0 0.00012614999999999998 0.5 AML other m 2016-10-16T19:09:21.11
IV.T1245.HHN. ML:1.1 0.000176 0.96 AML other m 2016-10-16T19:09:20.82
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