Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-11-2016 and time 21:03:39 (UTC) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 2.0 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 12-11-2016 21:03:39 (UTC)
  • 12-11-2016 22:03:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.2290 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
Arquata del Tronto AP 6 1178 1178
Accumoli RI 10 667 1845
Montegallo AP 11 523 2368
Norcia PG 11 4957 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 15 604 8210
Acquasanta Terme AP 15 2916 11126
Amatrice RI 18 2657 13783
Preci PG 19 724 14507
Ussita MC 19 444 14951
Cascia PG 19 3217 18168
Visso MC 20 1107 19275
Montefortino FM 20 1178 20453
Cittareale RI 20 482 20935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 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
Reviewed
Rev100 		ML 2.0 2016-11-12
21:03:39		 42.7885 13.2292 9 2016-11-12
21:14:37		 Sala Sismica INGV-Roma 32995501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-12 21:03:39 ± 0.1
Latitude 42.7885 ± 0.0054
Longitude 13.2292 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 32995501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.73924
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 32995501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-12 21:14:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-11-12T21:04:05.47 0.1 undecidable manual P 82.0512 1.169 0
IV.SNTG.HHZ. 2016-11-12T21:03:58.14 0.3 undecidable manual S 336 56.7987 50 0.58 60
IV.ASSB.HHZ. 2016-11-12T21:03:57.99 0.6 undecidable manual S 302 54.2013 50 1.11 32
IV.SSFR.HHZ. 2016-11-12T21:03:53.72 0.1 undecidable manual P 333 80.4639 50 0.19 84
IV.ATCC.EHZ. 2016-11-12T21:03:51.11 0.1 undecidable manual P 313 64.9905 50 -0.03 90
IV.CING.HHZ. 2016-11-12T21:03:51.16 0.6 negative manual P 358 65.1903 50 -0.02 45
IV.EL6.EHZ. 2016-11-12T21:03:50.48 0.6 positive manual P 350 60.8946 50 -0.04 45
IV.SNTG.HHZ. 2016-11-12T21:03:49.77 0.1 undecidable manual P 336 56.7987 50 -0.11 90
IV.ASSB.HHZ. 2016-11-12T21:03:49.21 0.1 undecidable manual P 302 54.2013 50 -0.28 87
IV.ARRO.EHZ. 2016-11-12T21:03:47.89 0.1 undecidable manual P 239 44.3223 50 -0.07 93
IV.T1219.EHZ. 2016-11-12T21:03:46.14 0.1 undecidable manual P 329 34.8429 50 -0.35 89
IV.CSP1.EHZ. 2016-11-12T21:03:46.02 0.6 negative manual P 357 33.744 50 -0.3 45
IV.T1241.EHZ. 2016-11-12T21:03:46.52 0.3 undecidable manual S 65 18.0708 115 0.19 71
IV.CESI.HHZ. 2016-11-12T21:03:46.39 0.1 undecidable manual P 312 35.6421 50 -0.23 91
IV.T1215.EHZ. 2016-11-12T21:03:45.42 0.1 undecidable manual P 273 29.3484 106 -0.1 94
IV.MMO1.EHZ. 2016-11-12T21:03:45.11 0.3 undecidable manual S 33 14.6742 120 -0.17 72
IV.LNSS.HHZ. 2016-11-12T21:03:45.01 0.1 undecidable manual P 217 25.752 108 0.19 93
IV.GUMA.HHZ. 2016-11-12T21:03:45.98 0.1 undecidable manual P 16 31.6461 105 0.02 96
IV.T1256.HHZ. 2016-11-12T21:03:44.39 0.1 undecidable manual P 359 24.1536 110 -0.14 95
IV.T1241.EHZ. 2016-11-12T21:03:43.59 0.1 undecidable manual P 65 18.0708 115 0.19 95
IV.T1216.EHZ. 2016-11-12T21:03:43.88 0.1 undecidable manual P 304 20.4684 113 0.04 97
IV.T1245.HHZ. 2016-11-12T21:03:43.58 0.6 undecidable manual S 336 8.2806 136 0.05 49
IV.NRCA.HHZ. 2016-11-12T21:03:42.22 0.1 undecidable manual P 298 10.5783 129 0.1 98
IV.MMO1.EHZ. 2016-11-12T21:03:42.78 0.1 positive manual P 33 14.6742 120 -0.01 99
IV.T1245.HHZ. 2016-11-12T21:03:41.77 0.1 undecidable manual P 336 8.2806 136 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.3 0.00011249999999999998 0.14 AML other m 2016-11-12T21:03:50.85
IV.LNSS.HHN. ML:1.9 0.0004255 0.38 AML other m 2016-11-12T21:03:50.84
IV.NRCA.HNN. ML:2.0 0.0013585000000000001 0.08 AML other m 2016-11-12T21:03:44.56
IV.NRCA.HHN. ML:2.0 0.0014750000000000002 0.08 AML other m 2016-11-12T21:03:44.56
IV.NRCA.HNE. ML:2.0 0.001435 0.1 AML other m 2016-11-12T21:03:45.64
IV.NRCA.HHE. ML:2.1 0.0015899999999999998 0.1 AML other m 2016-11-12T21:03:45.59
IV.T1219.HNN. ML:2.4 0.001194 0.28 AML other m 2016-11-12T21:04:00.03
IV.T1219.HNE. ML:2.4 0.001088 0.92 AML other m 2016-11-12T21:04:00.04
IV.T1241.EHN. ML:1.6 0.00035450000000000005 0.48 AML other m 2016-11-12T21:03:47.73
IV.T1241.EHE. ML:1.8 0.0005529999999999999 0.34 AML other m 2016-11-12T21:03:48.90
IV.T1245.HNN. ML:2.3 0.0032 0.3 AML other m 2016-11-12T21:03:44.61
IV.T1245.HHN. ML:2.3 0.003125 0.3 AML other m 2016-11-12T21:03:44.61
IV.T1245.HNE. ML:2.0 0.0014 1.22 AML other m 2016-11-12T21:03:44.49
IV.T1245.HHE. ML:2.0 0.001615 0.78 AML other m 2016-11-12T21:03:44.49
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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