Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-11-2016 and time 22:56:37 (Italy) in region 2 km SW Arquata del Tronto (AP)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Arquata del Tronto (AP), on

  • 01-11-2016 21:56:37 (UTC)
  • 01-11-2016 22:56:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7610, 13.2900 at 16 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.

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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
Arquata del Tronto AP 2 1178 1178
Accumoli RI 8 667 1845
Montegallo AP 10 523 2368
Acquasanta Terme AP 10 2916 5284
Amatrice RI 15 2657 7941
Montemonaco AP 16 604 8545
Norcia PG 16 4957 13502
Valle Castellana TE 17 977 14479
Castelsantangelo sul Nera MC 19 281 14760
Roccafluvione AP 19 2010 16770
Cittareale RI 19 482 17252

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
53 Km E of Foligno (57155 inhabitants)
57 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km E of Perugia (166134 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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 1.6 2016-11-01
21:56:37		 42.7607 13.2902 16 2019-02-12
14:03:37		 Bollettino Sismico Italiano INGV 54063141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-01 21:56:37 ± 0.12
Latitude 42.7607 ± 0.0045
Longitude 13.2902 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54063141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 54063141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-21 11:09:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2016-11-01T21:56:49.99 0.6 undecidable manual S 6 33.744 102 0.85 39
IV.T1215.EHZ. 2016-11-01T21:56:48.96 0.6 undecidable manual S 278 34.6431 101 -0.42 46
XO.AM05.EHZ. 2016-11-01T21:56:47.02 0.6 undecidable manual S 12 24.5532 109 0.23 48
IV.T1217.EHZ. 2016-11-01T21:56:47.23 0.6 undecidable manual S 260 29.748 104 -0.88 39
IV.TERO.HHZ. 2016-11-01T21:56:47.39 0.6 undecidable manual S 121 29.8479 104 -0.74 41
IV.RM33.EHZ. 2016-11-01T21:56:47.71 0.6 undecidable manual S 192 28.5492 105 -0.1 50
IV.LNSS.HHZ. 2016-11-01T21:56:46.44 0.6 undecidable manual S 229 26.8509 107 -0.93 39
IV.T1246.HHN. 2016-11-01T21:56:46.75 0.6 undecidable manual S 140 25.752 108 -0.32 47
IV.T1299.HNN. 2016-11-01T21:56:44.44 0.6 undecidable manual S 183 14.0748 128 0.14 49
IV.T1241.EHZ. 2016-11-01T21:56:44.20 0.3 undecidable manual S 47 15.6732 124 -0.44 69
IV.T1243.HHZ. 2016-11-01T21:56:44.21 0.6 undecidable manual S 119 14.7741 126 -0.23 48
IV.GUMA.HHZ. 2016-11-01T21:56:44.55 0.3 undecidable manual P 6 33.744 102 0.3 70
IV.MMO1.EHZ. 2016-11-01T21:56:44.87 0.6 undecidable manual S 11 15.6732 124 0.22 49
IV.SMA1.EHN. 2016-11-01T21:56:44.78 0.6 undecidable manual S 166 14.874 126 0.3 48
IV.T1215.EHZ. 2016-11-01T21:56:44.55 0.1 undecidable manual P 278 34.6431 101 0.16 95
IV.T1245.HNZ. 2016-11-01T21:56:44.53 0.6 undecidable manual S 322 13.4754 130 0.34 48
IV.NRCA.HNZ. 2016-11-01T21:56:44.36 0.6 undecidable manual S 300 16.4724 122 -0.46 46
IV.T1217.EHZ. 2016-11-01T21:56:43.73 0.1 undecidable manual P 260 29.748 104 0.08 97
IV.TERO.HHZ. 2016-11-01T21:56:43.28 0.3 undecidable manual P 121 29.8479 104 -0.38 69
IV.RM33.EHZ. 2016-11-01T21:56:43.91 0.1 undecidable manual P 192 28.5492 105 0.43 90
IV.T1201.HNN. 2016-11-01T21:56:43.60 0.6 undecidable manual S 196 11.877 134 -0.27 49
IV.LNSS.HHZ. 2016-11-01T21:56:43.17 0.1 undecidable manual P 229 26.8509 107 -0.05 100
IV.SMA1.EHN. 2016-11-01T21:56:42.19 0.3 undecidable manual P 166 14.874 126 0.63 65
XO.AM05.EHZ. 2016-11-01T21:56:42.99 0.1 undecidable manual P 12 24.5532 109 0.1 99
IV.T1246.HHN. 2016-11-01T21:56:42.95 0.6 undecidable manual P 140 25.752 108 -0.1 49
IV.T1201.HNN. 2016-11-01T21:56:41.67 0.1 undecidable manual P 196 11.877 134 0.47 93
IV.MMO1.EHZ. 2016-11-01T21:56:41.85 0.3 undecidable manual P 11 15.6732 124 0.2 74
IV.T1245.HNZ. 2016-11-01T21:56:41.23 0.3 undecidable manual P 322 13.4754 130 -0.16 74
IV.NRCA.HNZ. 2016-11-01T21:56:41.42 0.1 undecidable manual P 300 16.4724 122 -0.33 95
IV.T1299.HNN. 2016-11-01T21:56:41.82 0.3 undecidable manual P 183 14.0748 128 0.37 71
IV.T1241.EHZ. 2016-11-01T21:56:41.49 0.1 negative manual P 47 15.6732 124 -0.16 98
IV.T1243.HHZ. 2016-11-01T21:56:41.45 0.3 undecidable manual P 119 14.7741 126 -0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.0 0.0001303419 0.128 AML other m 2016-11-01T21:56:48.18
IV.RM33.EHE. ML:0.0 0.00009702147499999999 0.128 AML other m 2016-11-01T21:56:48.16
IV.TERO.HHN. ML:0.0 0.0001316856 0.1152 AML other m 2016-11-01T21:56:50.37
IV.TERO.HHE. ML:0.0 0.00011472635000000001 0.128 AML other m 2016-11-01T21:56:50.66
IV.NRCA.HNE. ML:2.0 0.0006779743 0.2176 AML other m 2016-11-01T21:56:44.52
IV.NRCA.HNN. ML:2.0 0.0007243353 0.1152 AML other m 2016-11-01T21:56:45.16
IV.NRCA.HHN. ML:2.0 0.00078047785 0.128 AML other m 2016-11-01T21:56:45.21
IV.NRCA.HHE. ML:2.0 0.0007721067000000001 0.2176 AML other m 2016-11-01T21:56:44.52
IV.T1241.HNN. ML:1.5 0.00023871433000000001 0.256 AML other m 2016-11-01T21:56:47.17
IV.T1241.EHN. ML:1.4 0.0001868232 0.2432 AML other m 2016-11-01T21:56:47.31
IV.T1241.EHE. ML:1.8 0.00045794095 0.1152 AML other m 2016-11-01T21:56:44.32
IV.T1241.HNE. ML:1.8 0.00048540621100000005 0.128 AML other m 2016-11-01T21:56:44.31
XO.AM05.EHN. ML:0.7 0.00002712831 0.1024 AML other m 2016-11-01T21:56:50.21
XO.AM05.HNE. ML:1.3 0.000099996535 0.1152 AML other m 2016-11-01T21:56:50.12
XO.AM05.HNN. ML:1.2 0.00008888364 0.1024 AML other m 2016-11-01T21:56:50.29
XO.AM05.EHE. ML:1.8 0.00035210075 0.1024 AML other m 2016-11-01T21:56:50.12
IV.LNSS.HHE. ML:1.7 0.00025266095 0.1792 AML other m 2016-11-01T21:56:46.76
IV.LNSS.HHN. ML:2.1 0.0006329966499999999 0.128 AML other m 2016-11-01T21:56:47.24
IV.TERO.HNE. ML:1.3 0.00009265765000000001 0.128 AML other m 2016-11-01T21:56:50.73
IV.TERO.HNN. ML:1.4 0.00011791881000000001 0.1024 AML other m 2016-11-01T21:56:50.32
IV.T1217.EHE. ML:1.8 0.000261263 0.2304 AML other m 2016-11-01T21:56:48.72
IV.T1217.HNE. ML:1.8 0.00025519753499999995 0.2048 AML other m 2016-11-01T21:56:48.61
IV.T1217.EHN. ML:1.8 0.0002504685000000002 0.0896 AML other m 2016-11-01T21:56:47.64
IV.T1217.HNN. ML:1.8 0.0002724711 0.5888 AML other m 2016-11-01T21:56:51.26
IV.RM33.HNN. ML:1.4 0.000124508925 0.128 AML other m 2016-11-01T21:56:48.12
IV.GUMA.HHE. ML:1.8 0.0002653604 0.2432 AML other m 2016-11-01T21:56:52.65
IV.GUMA.HHN. ML:1.8 0.00021939195 0.2048 AML other m 2016-11-01T21:56:53.04
IV.GUMA.HNN. ML:1.8 0.00023070609 0.2304 AML other m 2016-11-01T21:56:52.76
IV.GUMA.HNE. ML:1.6 0.000164488455 0.2944 AML other m 2016-11-01T21:56:52.66
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