Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 02-09-2016 and time 19:14:54 (UTC) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 02-09-2016 19:14:54 (UTC)
  • 02-09-2016 21:14:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.2350 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
Montegallo AP 10 523 1701
Accumoli RI 11 667 2368
Norcia PG 12 4957 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 15 2916 11126
Ussita MC 18 444 11570
Preci PG 18 724 12294
Montefortino FM 19 1178 13472
Amatrice RI 19 2657 16129
Visso MC 19 1107 17236

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)
55 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)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 1.5 2016-09-02
19:14:54		 42.7967 13.2353 9 2016-09-02
19:24:14		 Sala Sismica INGV-Roma 28072091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-02 19:14:54 ± 0.04
Latitude 42.7967 ± 0.0027
Longitude 13.2353 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 28072091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48833
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 28072091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-02 19:24:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2016-09-02T19:15:14.18 3.0 undecidable manual P -1.28 0
IV.NARO.HHZ. 2016-09-02T19:15:13.39 3.0 undecidable manual P 0.38 0
IV.TERO.HHZ. 2016-09-02T19:15:06.54 0.1 undecidable manual S 123 35.742 50 -0.18 93
IV.ATCC.EHZ. 2016-09-02T19:15:06.14 3.0 undecidable manual P -0.17 0
IV.CSP1.EHZ. 2016-09-02T19:15:06.09 0.1 undecidable manual S 356 32.8449 50 0.14 94
IV.RM33.EHZ. 2016-09-02T19:15:05.81 0.1 undecidable manual S 183 31.9458 50 0.09 95
IV.EL6.EHZ. 2016-09-02T19:15:05.51 3.0 positive manual P -0.08 0
IV.LNSS.HHZ. 2016-09-02T19:15:04.08 0.1 undecidable manual S 217 26.751 109 -0.03 97
IV.FIAM.HHZ. 2016-09-02T19:15:04.92 3.0 negative manual P -0.38 0
IV.FDMO.HHZ. 2016-09-02T19:15:04.87 0.6 undecidable manual S 336 29.1486 107 -0.04 48
IV.ASSB.HHZ. 2016-09-02T19:15:04.22 0.3 undecidable manual P 300 54.2013 50 -0.1 68
IV.GUMA.HHZ. 2016-09-02T19:15:01.03 0.1 undecidable manual P 15 30.6471 50 0.35 90
IV.TERO.HHZ. 2016-09-02T19:15:01.24 0.1 undecidable manual P 123 35.742 50 -0.23 92
IV.T1243.HHZ. 2016-09-02T19:15:01.98 0.6 undecidable manual S 123 20.5683 114 -0.14 48
IV.CESI.HHZ. 2016-09-02T19:15:01.43 0.1 undecidable manual P 311 35.4423 50 0 96
IV.RM33.EHZ. 2016-09-02T19:15:00.80 0.1 undecidable manual P 183 31.9458 50 -0.1 95
IV.FDMO.HHZ. 2016-09-02T19:15:00.29 0.1 undecidable manual P 336 29.1486 107 -0.14 95
IV.CSP1.EHZ. 2016-09-02T19:15:00.96 0.6 positive manual P 356 32.8449 50 -0.07 48
IV.CAMP.HHZ. 2016-09-02T19:15:00.55 0.1 undecidable manual P 154 32.2455 50 -0.39 89
IV.T1202.EHZ. 2016-09-02T19:14:59.45 0.6 undecidable manual S 185 10.3785 131 0.37 47
IV.LNSS.HHZ. 2016-09-02T19:14:59.99 0.3 positive manual P 217 26.751 109 0.03 73
IV.T1244.EHZ. 2016-09-02T19:14:58.13 0.1 undecidable manual S 131 6.6933 144 -0.09 99
IV.T1243.HHZ. 2016-09-02T19:14:58.85 0.1 undecidable manual P 123 20.5683 114 0.04 98
IV.T1204.EHZ. 2016-09-02T19:14:58.04 0.3 undecidable manual P 154 14.9739 121 0.24 71
IV.SMA1.EHZ. 2016-09-02T19:14:58.75 0.3 negative manual P 156 20.1687 114 0.02 74
IV.T1241.HHZ. 2016-09-02T19:14:58.40 0.1 undecidable manual P 67 17.2716 118 0.19 96
IV.T1202.EHZ. 2016-09-02T19:14:57.35 0.1 negative manual P 185 10.3785 131 0.29 95
IV.MC2.EHZ. 2016-09-02T19:14:57.73 0.1 negative manual P 343 13.2756 124 0.2 96
IV.NRCA.HHZ. 2016-09-02T19:14:57.18 0.1 undecidable manual P 293 10.6782 130 0.07 99
IV.T1242.HHZ. 2016-09-02T19:14:57.25 0.1 undecidable manual S 325 4.3956 154 -0.56 89
IV.T1242.HHZ. 2016-09-02T19:14:56.24 0.1 undecidable manual P 325 4.3956 154 -0.08 100
IV.T1244.EHZ. 2016-09-02T19:14:56.73 0.1 positive manual P 131 6.6933 144 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.2 0.000032600000000000006 0.76 AML other m 2016-09-02T19:15:13.52
IV.ASSB.HHE. ML:1.3 0.0000435 1.36 AML other m 2016-09-02T19:15:12.94
IV.CAMP.HHN. ML:0.8 0.000024449999999999998 0.86 AML other m 2016-09-02T19:15:08.08
IV.CAMP.HHE. ML:0.6 0.000020799999999999997 0.82 AML other m 2016-09-02T19:15:10.48
IV.CESI.HHE. ML:1.2 0.00005995 0.56 AML other m 2016-09-02T19:15:08.72
IV.CESI.HHN. ML:1.4 0.00010455000000000001 1.24 AML other m 2016-09-02T19:15:08.12
IV.FDMO.HHN. ML:1.0 0.0000513 0.18 AML other m 2016-09-02T19:15:05.00
IV.FDMO.HHE. ML:1.1 0.0000603 1.42 AML other m 2016-09-02T19:15:06.98
IV.GUMA.HHE. ML:1.8 0.00028349999999999995 0.38 AML other m 2016-09-02T19:15:07.17
IV.GUMA.HHN. ML:1.7 0.0002445 0.24 AML other m 2016-09-02T19:15:07.31
IV.LNSS.HHN. ML:1.6 0.0002095 1.16 AML other m 2016-09-02T19:15:05.31
IV.LNSS.HHE. ML:1.5 0.000192 1.08 AML other m 2016-09-02T19:15:04.95
IV.NRCA.HHN. ML:1.8 0.0008985000000000001 0.18 AML other m 2016-09-02T19:14:59.23
IV.NRCA.HHE. ML:1.8 0.0008235 0.46 AML other m 2016-09-02T19:14:59.35
IV.T1202.EHE. ML:2.0 0.0012194999999999999 0.22 AML other m 2016-09-02T19:14:59.94
IV.T1202.EHN. ML:2.2 0.002045 0.24 AML other m 2016-09-02T19:15:00.14
IV.T1241.HHN. ML:0.9 0.00006934999999999999 0.44 AML other m 2016-09-02T19:15:08.03
IV.T1241.HHE. ML:1.2 0.000124 0.42 AML other m 2016-09-02T19:15:03.82
IV.T1242.HNN. ML:1.9 0.001545 0.16 AML other m 2016-09-02T19:14:57.49
IV.T1242.HHN. ML:1.9 0.0014824999999999999 0.16 AML other m 2016-09-02T19:14:57.49
IV.T1242.HNE. ML:1.8 0.0012375 0.18 AML other m 2016-09-02T19:14:57.27
IV.T1242.HHE. ML:1.8 0.0012599999999999998 0.18 AML other m 2016-09-02T19:14:57.27
IV.T1244.EHN. ML:1.6 0.000712 0.36 AML other m 2016-09-02T19:14:58.40
IV.T1244.EHE. ML:1.5 0.0005733499999999999 0.76 AML other m 2016-09-02T19:14:59.51
IV.TERO.HHN. ML:1.6 0.0001535 0.12 AML other m 2016-09-02T19:15:06.67
IV.TERO.HHE. ML:1.5 0.00011275 0.34 AML other m 2016-09-02T19:15:06.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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