Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-10-2016 and time 08:05:50 (UTC) in region 1 km E Preci (PG)

A magnitude ML 1.6 earthquake occured in region: 1 km E Preci (PG), on

  • 28-10-2016 08:05:50 (UTC)
  • 28-10-2016 10:05:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8810, 13.0480 at 10 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.

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 1 724 724
Visso MC 7 1107 1831
Castelsantangelo sul Nera MC 9 281 2112
Sellano PG 10 1079 3191
Ussita MC 10 444 3635
Norcia PG 11 4957 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 13 145 9812
Fiordimonte MC 18 202 10014
Pieve Torina MC 18 1458 11472
Cascia PG 18 3217 14689
Fiastra MC 19 559 15248
Bolognola MC 19 142 15390
Vallo di Nera PG 20 364 15754
Acquacanina MC 20 121 15875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
99 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 1.6 2016-10-28
08:05:50		 42.8812 13.048 10 2016-10-28
08:15:52		 Sala Sismica INGV-Roma 30793061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-28 08:05:50 ± 0.07
Latitude 42.8812 ± 0.0036
Longitude 13.0480 ± 0.0074
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30793061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 587
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 30793061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-28 08:15:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1211.EHZ. 2016-10-28T08:06:04.28 0.6 undecidable manual S 202 41.7249 50 0.38 43
IV.T1201.HNE. 2016-10-28T08:06:01.36 0.3 undecidable manual S 146 29.8479 50 0.63 61
IV.LNSS.HHZ. 2016-10-28T08:06:00.80 0.3 undecidable manual S 181 30.8469 50 -0.21 69
IV.T1217.EHN. 2016-10-28T08:05:58.06 0.1 undecidable manual S 207 21.0678 115 0 97
IV.T1211.EHZ. 2016-10-28T08:05:57.60 0.1 undecidable manual P 202 41.7249 50 -0.43 86
IV.CESI.HHZ. 2016-10-28T08:05:57.15 0.3 undecidable manual S 320 17.9709 118 0.03 73
IV.T1201.HNE. 2016-10-28T08:05:56.16 0.1 undecidable manual P 146 29.8479 50 -0.04 95
IV.LNSS.HHZ. 2016-10-28T08:05:56.12 0.1 undecidable manual P 181 30.8469 50 -0.24 91
IV.FDMO.HHZ. 2016-10-28T08:05:56.78 0.3 undecidable manual S 10 17.5713 119 -0.19 71
IV.T1217.EHN. 2016-10-28T08:05:54.60 0.3 undecidable manual P 207 21.0678 115 -0.06 72
IV.CESI.HHZ. 2016-10-28T08:05:54.25 0.1 undecidable manual P 320 17.9709 118 0.13 95
IV.T1215.EHZ. 2016-10-28T08:05:54.08 0.3 undecidable manual P 239 17.0718 120 0.13 72
IV.NRCA.HNZ. 2016-10-28T08:05:54.15 0.1 undecidable manual S 134 7.5813 142 -0.15 97
IV.FEMA.HNZ. 2016-10-28T08:05:54.54 0.3 undecidable manual S 1 8.9799 137 -0.08 73
IV.FDMO.HHZ. 2016-10-28T08:05:53.96 0.1 undecidable manual P 10 17.5713 119 -0.07 96
IV.T1216.EHN. 2016-10-28T08:05:53.50 0.1 undecidable manual S 294 2.5974 165 -0.02 100
IV.FEMA.HNZ. 2016-10-28T08:05:52.84 0.1 undecidable manual P 1 8.9799 137 0.17 96
IV.NRCA.HNZ. 2016-10-28T08:05:52.57 0.1 undecidable manual P 134 7.5813 142 0.08 98
IV.T1216.EHN. 2016-10-28T08:05:52.26 0.1 undecidable manual P 294 2.5974 165 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.5 0.0002613903 0.2368 AML other m 2016-10-28T08:05:57.21
IV.FDMO.HHN. ML:1.7 0.00043968260000000004 0.3008 AML other m 2016-10-28T08:05:57.29
IV.FEMA.HNN. ML:1.8 0.0009418419350000001 0.7616 AML other m 2016-10-28T08:05:54.67
IV.FEMA.HNE. ML:1.8 0.0008719649499999999 1.2992 AML other m 2016-10-28T08:05:55.87
IV.LNSS.HHE. ML:1.5 0.00014251055000000001 2.016 AML other m 2016-10-28T08:06:01.24
IV.LNSS.HHN. ML:1.4 0.0001224618 3.4176 AML other m 2016-10-28T08:06:03.44
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