Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 17-10-2016 and time 11:09:32 (Italy) in region 8 km W Montegallo (AP)

A magnitude ML 1.0 earthquake occured in region: 8 km W Montegallo (AP), on

  • 17-10-2016 09:09:32 (UTC)
  • 17-10-2016 11:09:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8430, 13.2370 at 11 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
Montegallo AP 8 523 523
Castelsantangelo sul Nera MC 9 281 804
Arquata del Tronto AP 9 1178 1982
Montemonaco AP 10 604 2586
Norcia PG 13 4957 7543
Ussita MC 14 444 7987
Montefortino FM 14 1178 9165
Visso MC 16 1107 10272
Acquasanta Terme AP 16 2916 13188
Accumoli RI 16 667 13855
Preci PG 17 724 14579
Bolognola MC 17 142 14721
Amandola FM 18 3629 18350
Palmiano AP 19 196 18546
Comunanza AP 19 3166 21712
Roccafluvione AP 20 2010 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
57 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
90 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 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 1.0 2016-10-17
09:09:32		 42.8428 13.2367 11 2016-10-17
09:17:17		 Sala Sismica INGV-Roma 30294651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-17 09:09:32 ± 0.11
Latitude 42.8428 ± 0.0081
Longitude 13.2367 ± 0.0086
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30294651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 909
Semi-minor axis of confidence ellipse (meter) 699
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.56855
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 30294651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-17 09:17:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2016-10-17T09:10:28.52 3.0 undecidable manual Pn -3.98 0
IV.RESU.HHZ. 2016-10-17T09:10:27.68 3.0 negative manual Pn -9.2 0
IV.NOCI.HHZ. 2016-10-17T09:10:17.02 3.0 undecidable manual Pn -6.43 0
IV.CELI.HHZ. 2016-10-17T09:10:15.93 3.0 undecidable manual Pn -9.99 0
IV.PAOL.HHZ. 2016-10-17T09:10:15.56 3.0 positive manual Pg 13.99 0
IV.CAFR.HHZ. 2016-10-17T09:09:43.08 3.0 negative manual Pn 507.1146 -6 0
IV.MRLC.HHZ. 2016-10-17T09:09:58.58 3.0 negative manual Pn -9.99 0
IV.OVO.HHZ. 2016-10-17T09:09:57.03 3.0 negative manual Pn -5.34 0
IV.BRES.EHZ. 2016-10-17T09:09:47.99 3.0 undecidable manual Sn 289.488 -5.78 0
IV.RM33.EHZ. 2016-10-17T09:09:44.21 0.3 undecidable manual S 183 37.0296 50 -0.3 69
IV.LNSS.HHZ. 2016-10-17T09:09:42.06 0.6 undecidable manual S 211 31.0467 50 -0.85 39
IV.T1215.EHZ. 2016-10-17T09:09:42.24 0.3 undecidable manual S 262 30.3474 50 -0.47 68
IV.VENT.EHZ. 2016-10-17T09:09:40.90 3.0 negative manual Pn -9.99 0
IV.RM33.EHZ. 2016-10-17T09:09:39.64 0.6 undecidable manual P 183 37.0296 50 0.38 45
IV.T1215.EHZ. 2016-10-17T09:09:38.53 0.3 undecidable manual P 262 30.3474 50 0.32 70
IV.T1217.EHZ. 2016-10-17T09:09:38.19 0.1 undecidable manual P 240 28.749 50 0.21 95
IV.LNSS.HHZ. 2016-10-17T09:09:38.47 0.3 undecidable manual P 211 31.0467 50 0.14 72
IV.NRCA.HHZ. 2016-10-17T09:09:37.21 0.3 undecidable manual S 264 9.9789 137 0.05 76
IV.SMA1.EHZ. 2016-10-17T09:09:37.37 0.3 undecidable manual P 161 24.8529 50 -0.01 75
IV.T1243.HHZ. 2016-10-17T09:09:37.44 0.3 undecidable manual P 133 23.6541 50 0.25 72
IV.MMO1.EHZ. 2016-10-17T09:09:36.60 0.3 undecidable manual S 49 9.6792 138 -0.47 70
IV.T1204.EHZ. 2016-10-17T09:09:36.83 0.3 undecidable manual P 161 19.5693 119 0.27 72
IV.MC2.EHZ. 2016-10-17T09:09:36.67 0.1 undecidable manual S 333 8.5803 141 -0.16 100
IV.MC2.EHZ. 2016-10-17T09:09:35.04 0.3 undecidable manual P 333 8.5803 141 0.22 74
IV.NRCA.HHZ. 2016-10-17T09:09:35.35 0.1 positive manual P 264 9.9789 137 0.34 96
IV.T1245.HHZ. 2016-10-17T09:09:35.82 0.3 undecidable manual S 291 4.2957 158 -0.25 74
IV.T1202.EHZ. 2016-10-17T09:09:35.52 0.3 undecidable manual P 184 15.4734 125 -0.33 71
IV.MMO1.EHZ. 2016-10-17T09:09:34.96 0.6 undecidable manual P 49 9.6792 138 0 51
IV.T1245.HHZ. 2016-10-17T09:09:34.57 0.1 undecidable manual P 291 4.2957 158 0.19 100
GU.MGRO.HHZ. 2016-10-17T09:09:29.99 3.0 undecidable manual Sg 10.41 0
IV.BRES.EHZ. 2016-10-17T09:09:29.51 3.0 positive manual Pg 289.488 7.32 0
SI.BOSI.HHZ. 2016-10-17T09:09:20.29 3.0 negative manual Pg 2.84 0
IV.ZONE.HHZ. 2016-10-17T09:09:16.99 3.0 undecidable manual Sn -1.28 0
IV.PLMA.HHZ. 2016-10-17T09:09:09.99 3.0 undecidable manual Sn -2.02 0
IV.NDIM.HNZ. 2016-10-17T09:09:07.05 3.0 negative manual Pg 3.71 0
IV.SBPO.HNZ. 2016-10-17T09:08:59.78 3.0 positive manual Pg -4.03 0
IV.LEOD.HNZ. 2016-10-17T09:08:54.92 3.0 undecidable manual P -4.35 0
GU.CANO.HHZ. 2016-10-17T09:08:53.72 3.0 negative manual P -4.92 0
IV.EUCT.HNZ. 2016-10-17T09:08:52.39 3.0 undecidable manual P 0.59 0
GU.GRAM.HHZ. 2016-10-17T09:08:50.95 3.0 negative manual P -5.26 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.00007375 0.36 AML other m 2016-10-17T09:10:15.57
IV.LNSS.HHE. ML:1.3 0.0001012 0.36 AML other m 2016-10-17T09:11:02.40
IV.NRCA.HHN. ML:1.1 0.00016549999999999998 1.18 AML other m 2016-10-17T09:09:37.36
IV.NRCA.HHE. ML:1.1 0.0001385 1.2 AML other m 2016-10-17T09:09:39.91
IV.RM33.EHN. ML:0.7 0.000020700000000000002 1.56 AML other m 2016-10-17T09:10:52.91
IV.RM33.EHE. ML:0.7 0.000018389999999999995 1.42 AML other m 2016-10-17T09:09:45.55
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 not available