Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-10-2016 and time 13:18:19 (Italy) in region 1 km E Preci (PG)

A magnitude ML 2.0 earthquake occured in region: 1 km E Preci (PG), on

  • 28-10-2016 11:18:19 (UTC)
  • 28-10-2016 13:18:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8830, 13.0520 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.

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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 1 724 724
Visso MC 6 1107 1831
Castelsantangelo sul Nera MC 8 281 2112
Ussita MC 10 444 2556
Sellano PG 10 1079 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 19 3217 14689
Bolognola MC 19 142 14831
Fiastra MC 19 559 15390
Acquacanina MC 19 121 15511
Vallo di Nera PG 20 364 15875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
49 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 2.0 2016-10-28
11:18:19		 42.883 13.052 10 2016-10-28
11:24:52		 Sala Sismica INGV-Roma 30807031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-28 11:18:19 ± 0.04
Latitude 42.8830 ± 0.0018
Longitude 13.0520 ± 0.0037
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 30807031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 246
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
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) 80
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 28
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) 0.50362
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 30807031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-28 11:24:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2016-10-28T11:18:45.99 3.0 undecidable manual S -3.24 0
IV.ARVD.HHZ. 2016-10-28T11:18:42.99 3.0 undecidable manual S 0 0
IV.CING.HHZ. 2016-10-28T11:18:37.87 0.1 undecidable manual S 12 55.8996 50 0.41 86
IV.EL6.EHZ. 2016-10-28T11:18:36.12 0.1 undecidable manual S 5 49.7169 50 0.31 89
IV.SNTG.HHZ. 2016-10-28T11:18:33.77 0.1 undecidable manual S 348 42.2244 50 -0.06 95
IV.T1243.HHZ. 2016-10-28T11:18:32.81 0.1 undecidable manual S 123 38.3283 50 0.02 97
IV.GUMA.HHZ. 2016-10-28T11:18:31.01 0.1 undecidable manual S 49 30.4473 50 0.34 92
IV.LNSS.HHZ. 2016-10-28T11:18:30.96 0.1 undecidable manual S 182 31.1466 50 0.1 96
IV.T1241.EHZ. 2016-10-28T11:18:30.58 0.1 undecidable manual S 95 30.9468 50 -0.24 94
IV.TERO.HHZ. 2016-10-28T11:18:29.69 3.0 undecidable manual P -0.13 0
IV.CSP1.EHZ. 2016-10-28T11:18:29.28 0.1 undecidable manual S 28 26.2515 50 -0.29 93
IV.CING.HHZ. 2016-10-28T11:18:29.95 0.1 undecidable manual P 12 55.8996 50 -0.07 93
IV.MMO1.EHZ. 2016-10-28T11:18:28.24 0.1 undecidable manual S 85 22.3554 114 -0.13 97
IV.EL6.EHZ. 2016-10-28T11:18:28.94 0.6 negative manual P 5 49.7169 50 -0.13 46
IV.T1217.EHZ. 2016-10-28T11:18:27.98 0.1 undecidable manual S 207 21.3675 115 -0.06 99
IV.T1211.EHZ. 2016-10-28T11:18:27.98 3.0 negative manual P 0.05 0
IV.T1243.HHZ. 2016-10-28T11:18:27.25 0.1 undecidable manual P 123 38.3283 50 -0.07 96
IV.SNTG.HHZ. 2016-10-28T11:18:27.85 0.1 undecidable manual P 348 42.2244 50 -0.07 95
IV.FDMO.HHZ. 2016-10-28T11:18:26.62 0.1 undecidable manual S 10 17.2716 120 -0.15 98
IV.GUMA.HHZ. 2016-10-28T11:18:26.26 0.1 positive manual P 49 30.4473 50 0.16 95
IV.LNSS.HHZ. 2016-10-28T11:18:26.09 0.1 undecidable manual P 182 31.1466 50 -0.12 96
IV.T1215.EHZ. 2016-10-28T11:18:26.71 0.1 undecidable manual S 239 17.4714 120 -0.12 98
IV.ARRO.EHZ. 2016-10-28T11:18:26.22 3.0 undecidable manual P -1.54 0
IV.CESI.HHZ. 2016-10-28T11:18:26.90 0.1 undecidable manual S 319 18.0708 119 -0.12 98
IV.CSP1.EHZ. 2016-10-28T11:18:25.27 0.1 positive manual P 28 26.2515 50 -0.19 95
IV.T1241.EHZ. 2016-10-28T11:18:25.93 0.1 positive manual P 95 30.9468 50 -0.26 93
IV.NRCA.HNZ. 2016-10-28T11:18:24.36 0.1 undecidable manual S 137 7.4814 143 0.18 99
IV.CESI.HHZ. 2016-10-28T11:18:24.02 0.1 positive manual P 319 18.0708 119 0.03 100
IV.T1217.EHZ. 2016-10-28T11:18:24.66 0.1 positive manual P 207 21.3675 115 0.08 98
IV.MMO1.EHZ. 2016-10-28T11:18:24.78 0.1 positive manual P 85 22.3554 114 0.01 100
IV.T1215.EHZ. 2016-10-28T11:18:23.98 0.1 undecidable manual P 239 17.4714 120 0.1 99
IV.FDMO.HHZ. 2016-10-28T11:18:23.89 0.1 positive manual P 10 17.2716 120 0.04 100
IV.NRCA.HNZ. 2016-10-28T11:18:22.66 0.1 negative manual P 137 7.4814 143 0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.9 0.0006950000000000001 0.48 AML other m 2016-10-28T11:18:27.48
IV.CESI.HHE. ML:1.6 0.00035850000000000004 0.36 AML other m 2016-10-28T11:18:27.49
IV.FDMO.HHE. ML:2.0 0.0009345 0.16 AML other m 2016-10-28T11:18:26.90
IV.FDMO.HHN. ML:2.2 0.001365 0.26 AML other m 2016-10-28T11:18:34.87
IV.GUMA.HHE. ML:1.9 0.0003625 0.34 AML other m 2016-10-28T11:18:34.11
IV.GUMA.HHN. ML:1.8 0.0002845 1.44 AML other m 2016-10-28T11:18:32.77
IV.LNSS.HHN. ML:1.7 0.00023050000000000002 1.46 AML other m 2016-10-28T11:18:32.59
IV.LNSS.HHE. ML:1.8 0.00026000000000000003 1.46 AML other m 2016-10-28T11:18:31.25
IV.NRCA.HHN. ML:2.2 0.0026349999999999998 0.12 AML other m 2016-10-28T11:18:24.50
IV.NRCA.HHE. ML:2.3 0.0030099999999999997 1.08 AML other m 2016-10-28T11:18:24.57
IV.T1215.EHN. ML:1.9 0.0006709999999999999 0.08 AML other m 2016-10-28T11:18:26.81
IV.T1215.HNN. ML:1.8 0.000594 0.08 AML other m 2016-10-28T11:18:26.81
IV.T1215.HNE. ML:2.1 0.001147 0.08 AML other m 2016-10-28T11:18:26.80
IV.T1215.EHE. ML:2.1 0.0010979999999999998 0.08 AML other m 2016-10-28T11:18:26.84
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