Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 29-08-2016 and time 17:38:17 (UTC) in region 6 km NW Arquata del Tronto (AP)

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

  • 29-08-2016 17:38:17 (UTC)
  • 29-08-2016 19:38:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8090, 13.2420 at 8 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 8 523 1701
Castelsantangelo sul Nera MC 12 281 1982
Norcia PG 12 4957 6939
Montemonaco AP 12 604 7543
Accumoli RI 13 667 8210
Acquasanta Terme AP 14 2916 11126
Montefortino FM 17 1178 12304
Ussita MC 17 444 12748
Preci PG 18 724 13472
Visso MC 19 1107 14579

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
56 Km NE 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)
93 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 2016-08-29
17:38:17		 42.809 13.2422 8 2016-08-29
17:50:58		 Sala Sismica INGV-Roma 27636761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-29 17:38:17 ± 0.1
Latitude 42.8090 ± 0.0081
Longitude 13.2422 ± 0.0098
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 27636761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1076
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
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 36
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 27636761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-29 17:50:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2016-08-29T17:38:56.27 3.0 positive manual Pn 1.89 0
IV.SGG.HHZ. 2016-08-29T17:38:49.10 3.0 undecidable manual Pg 2.25 0
IV.LAV9.HNZ. 2016-08-29T17:38:41.61 3.0 negative manual P 0.91 0
IV.GIUL.HHZ. 2016-08-29T17:38:39.42 3.0 negative manual P -1.93 0
IV.VCEL.EHZ. 2016-08-29T17:38:39.08 0.1 undecidable manual S 133 67.0773 50 0.15 87
IV.INTR.HHZ. 2016-08-29T17:38:35.89 0.3 positive manual P 148 103.8183 50 0.26 60
IV.ASSB.HHZ. 2016-08-29T17:38:34.64 0.1 undecidable manual S 299 54.0015 50 -0.79 74
IV.T0110.HHZ. 2016-08-29T17:38:32.30 0.3 negative manual P 146 77.7666 50 0.69 55
IV.FAGN.HHZ. 2016-08-29T17:38:30.35 0.6 positive manual P 155 66.378 50 0.48 41
IV.VCEL.EHZ. 2016-08-29T17:38:29.49 0.3 undecidable manual P 133 67.0773 50 -0.49 61
IV.ATCC.EHZ. 2016-08-29T17:38:29.53 0.6 undecidable manual P 311 64.2912 50 -0.01 45
IV.EL6.EHZ. 2016-08-29T17:38:29.06 0.6 undecidable manual P 349 58.7967 50 0.35 42
IV.FIAM.HHZ. 2016-08-29T17:38:29.87 0.3 negative manual P 190 60.8946 50 0.85 53
IV.SNTG.HHZ. 2016-08-29T17:38:28.08 1.0 negative manual P 334 55.2003 50 -0.06 23
IV.ASSB.HHZ. 2016-08-29T17:38:27.63 0.3 positive manual P 299 54.0015 50 -0.33 65
IV.GIGS.HHZ. 2016-08-29T17:38:26.45 1.0 negative manual P 146 47.8188 50 -0.56 21
IV.RM33.EHZ. 2016-08-29T17:38:25.44 0.1 undecidable manual P 184 33.3444 103 0.84 75
IV.CAMP.HHZ. 2016-08-29T17:38:25.01 0.1 undecidable manual P 156 33.2445 103 0.44 87
IV.SMA1.EHZ. 2016-08-29T17:38:24.87 0.1 undecidable manual S 159 21.1677 109 -0.68 82
IV.CESI.HHZ. 2016-08-29T17:38:24.75 0.1 undecidable manual P 309 35.0427 102 -0.17 92
IV.TERO.HHZ. 2016-08-29T17:38:24.40 0.3 undecidable manual P 125 36.0417 102 -0.72 59
IV.CSP1.EHZ. 2016-08-29T17:38:24.28 1.0 negative manual P 355 31.5462 103 0.04 24
IV.FDMO.HHZ. 2016-08-29T17:38:23.60 1.0 undecidable manual P 334 28.1496 105 0 24
IV.T1215.EHZ. 2016-08-29T17:38:23.57 0.1 undecidable manual P 269 30.4473 104 -0.46 87
IV.LNSS.HHZ. 2016-08-29T17:38:23.25 0.1 positive manual P 216 28.1496 105 -0.34 90
IV.NRCA.HHZ. 2016-08-29T17:38:22.79 0.1 undecidable manual S 285 10.7781 125 0.5 90
IV.SMA1.EHZ. 2016-08-29T17:38:22.02 0.1 undecidable manual P 159 21.1677 109 -0.24 93
IV.T1243.HHZ. 2016-08-29T17:38:21.98 0.1 positive manual P 127 20.9679 110 -0.22 93
IV.MC2.EHZ. 2016-08-29T17:38:21.08 1.0 undecidable manual P 339 12.1767 122 0.47 22
IV.T1244.EHZ. 2016-08-29T17:38:21.05 0.1 undecidable manual S 142 7.3815 135 -0.33 93
IV.T1241.HHZ. 2016-08-29T17:38:21.64 0.3 positive manual P 71 16.2726 115 0.3 69
IV.T1204.EHZ. 2016-08-29T17:38:21.57 0.1 undecidable manual P 158 15.9729 115 0.29 93
IV.T1242.HHZ. 2016-08-29T17:38:20.63 0.1 undecidable manual S 306 3.7962 153 -0.03 100
IV.NRCA.HHZ. 2016-08-29T17:38:20.72 0.1 negative manual P 285 10.7781 125 0.34 93
IV.T1242.HHZ. 2016-08-29T17:38:19.61 1.0 undecidable manual P 306 3.7962 153 0.18 24
IV.T1244.EHZ. 2016-08-29T17:38:19.86 0.1 positive manual P 142 7.3815 135 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHE. ML:2.3 0.0003345 0.26 AML other m 2016-08-29T17:38:40.26
IV.FAGN.HHN. ML:2.2 0.0003135 0.5 AML other m 2016-08-29T17:38:40.64
IV.FDMO.HHN. ML:1.3 0.00011449999999999999 1.16 AML other m 2016-08-29T17:38:28.45
IV.FDMO.HHE. ML:1.4 0.0001295 0.16 AML other m 2016-08-29T17:38:38.42
IV.FIAM.HHE. ML:1.6 0.00008085 0.58 AML other m 2016-08-29T17:38:38.33
IV.FIAM.HHN. ML:1.6 0.00007515 0.54 AML other m 2016-08-29T17:38:39.98
IV.GIGS.HHE. ML:1.7 0.0001315 0.18 AML other m 2016-08-29T17:38:32.33
IV.GIGS.HHN. ML:1.7 0.00013900000000000002 0.2 AML other m 2016-08-29T17:38:32.38
IV.INTR.HHE. ML:1.6 0.000032800000000000004 0.6 AML other m 2016-08-29T17:38:57.56
IV.INTR.HHN. ML:1.8 0.00006120000000000001 0.58 AML other m 2016-08-29T17:39:06.02
IV.RM33.HNE. ML:2.4 0.001119 0.2 AML other m 2016-08-29T17:38:28.36
IV.RM33.EHN. ML:2.3 0.000968 1.24 AML other m 2016-08-29T17:38:28.78
IV.RM33.HNN. ML:2.3 0.0009519999999999999 0.32 AML other m 2016-08-29T17:38:28.94
IV.RM33.EHE. ML:2.4 0.001085 0.2 AML other m 2016-08-29T17:38:28.36
IV.SMA1.EHN. ML:3.0 0.007755 0.1 AML other m 2016-08-29T17:38:25.14
IV.SMA1.EHE. ML:3.2 0.0108 0.54 AML other m 2016-08-29T17:38:25.01
IV.SNTG.HHN. ML:1.3 0.0000429 0.54 AML other m 2016-08-29T17:38:48.38
IV.SNTG.HHE. ML:1.2 0.00003535 1.42 AML other m 2016-08-29T17:38:49.14
IV.T0110.HHE. ML:2.1 0.000169 1.44 AML other m 2016-08-29T17:38:42.60
IV.T0110.HHN. ML:2.3 0.0002935 0.56 AML other m 2016-08-29T17:38:42.10
IV.T1241.HHN. ML:1.5 0.00028649999999999997 0.82 AML other m 2016-08-29T17:38:31.75
IV.T1241.HHE. ML:1.7 0.000484 0.82 AML other m 2016-08-29T17:38:26.88
IV.TERO.HHE. ML:2.4 0.0010705 0.24 AML other m 2016-08-29T17:38:30.98
IV.TERO.HHN. ML:2.5 0.0012250000000000002 0.72 AML other m 2016-08-29T17:38:30.99
IV.VCEL.EHE. ML:2.2 0.000307 1.46 AML other m 2016-08-29T17:38:41.49
IV.VCEL.EHN. ML:2.2 0.000264 0.94 AML other m 2016-08-29T17:38:41.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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