Earthquake with magnitude of ML 1.4 on date 07-09-2016 and time 13:20:20 (Italy) in region 8 km W Arquata del Tronto (AP)

A magnitude ML 1.4 earthquake occured in region: 8 km W Arquata del Tronto (AP), on

  • 07-09-2016 11:20:20 (UTC)
  • 07-09-2016 13:20:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8030, 13.2090 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.

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 8 1178 1178
Norcia PG 9 4957 6135
Montegallo AP 11 523 6658
Castelsantangelo sul Nera MC 11 281 6939
Accumoli RI 12 667 7606
Montemonaco AP 15 604 8210
Preci PG 16 724 8934
Ussita MC 17 444 9378
Acquasanta Terme AP 17 2916 12294
Visso MC 17 1107 13401
Cascia PG 18 3217 16618
Montefortino FM 19 1178 17796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
53 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 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 1.4 2016-09-07
11:20:20
42.8032 13.2087 10 2016-09-07
11:31:06
Sala Sismica INGV-Roma 28478791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-07 11:20:20 ± 0.07
Latitude 42.8032 ± 0.0027
Longitude 13.2087 ± 0.0049
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 28478791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 28478791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-07 11:31:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-09-07T11:20:33.44 0.6 undecidable manual S 122 37.9287 50 -0.08 47
IV.CSP1.EHZ. 2016-09-07T11:20:32.01 0.3 undecidable manual S 359 32.0457 50 0.07 71
IV.FDMO.HHZ. 2016-09-07T11:20:30.55 0.6 undecidable manual S 339 27.6501 50 -0.24 46
IV.T1241.HHZ. 2016-09-07T11:20:28.27 0.3 undecidable manual S 72 19.0698 118 0.08 73
IV.T1243.HHZ. 2016-09-07T11:20:28.99 0.3 undecidable manual S 121 22.8549 114 -0.38 68
IV.CSP1.EHZ. 2016-09-07T11:20:27.26 0.1 undecidable manual P 359 32.0457 50 0.06 95
IV.TERO.HHZ. 2016-09-07T11:20:27.92 0.6 positive manual P 122 37.9287 50 -0.18 46
IV.MMO1.EHZ. 2016-09-07T11:20:26.70 0.3 undecidable manual S 42 14.3745 125 -0.1 73
IV.FDMO.HHZ. 2016-09-07T11:20:26.59 1.0 undecidable manual P 339 27.6501 50 0.06 24
IV.MC2.EHZ. 2016-09-07T11:20:26.26 0.6 undecidable manual S 352 12.0768 130 0.08 49
IV.T1202.EHZ. 2016-09-07T11:20:26.13 0.3 undecidable manual S 173 11.1777 132 0.2 72
IV.SMA1.EHZ. 2016-09-07T11:20:25.50 0.3 undecidable manual P 152 21.7671 115 -0.02 73
IV.T1241.HHZ. 2016-09-07T11:20:25.11 0.1 undecidable manual P 72 19.0698 118 0.08 97
IV.T1299.EHZ. 2016-09-07T11:20:25.44 0.6 negative manual P 162 19.6692 117 0.3 46
IV.T1243.HHZ. 2016-09-07T11:20:25.55 0.1 undecidable manual P 121 22.8549 114 -0.16 95
IV.MC2.EHZ. 2016-09-07T11:20:24.06 0.1 undecidable manual P 352 12.0768 130 0.19 96
IV.T1202.EHZ. 2016-09-07T11:20:24.09 0.6 negative manual P 173 11.1777 132 0.37 46
IV.NRCA.HNZ. 2016-09-07T11:20:24.75 0.3 undecidable manual S 294 8.3805 140 -0.52 67
IV.MMO1.EHZ. 2016-09-07T11:20:24.35 0.1 undecidable manual P 42 14.3745 125 0.12 97
IV.T1215.EHZ. 2016-09-07T11:20:24.94 3.0 undecidable manual P 27.6501 -1.59 0
IV.NRCA.HNZ. 2016-09-07T11:20:23.37 0.1 undecidable manual P 294 8.3805 140 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:1.3 0.0001895 0.74 AML other m 2016-09-07T11:20:27.18
IV.MMO1.EHN. ML:1.1 0.00011649999999999999 0.7 AML other m 2016-09-07T11:20:26.97
IV.SMA1.EHE. ML:1.8 0.0004625 0.48 AML other m 2016-09-07T11:20:43.67
IV.SMA1.EHN. ML:1.4 0.000191 1.04 AML other m 2016-09-07T11:20:44.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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