Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-08-2016 and time 22:44:35 (UTC) in region 7 km NW Arquata del Tronto (AP)

A magnitude ML 2.0 earthquake occured in region: 7 km NW Arquata del Tronto (AP), on

  • 30-08-2016 22:44:35 (UTC)
  • 31-08-2016 00:44:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8230, 13.2540 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 7 1178 1178
Montegallo AP 7 523 1701
Montemonaco AP 11 604 2305
Castelsantangelo sul Nera MC 12 281 2586
Norcia PG 14 4957 7543
Acquasanta Terme AP 14 2916 10459
Accumoli RI 14 667 11126
Montefortino FM 15 1178 12304
Ussita MC 17 444 12748
Visso MC 18 1107 13855
Roccafluvione AP 19 2010 15865
Preci PG 19 724 16589
Palmiano AP 19 196 16785
Bolognola MC 19 142 16927
Amandola FM 20 3629 20556
Comunanza AP 20 3166 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
58 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 S of Ancona (100861 inhabitants)
91 Km NW of Chieti (51815 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 2016-08-30
22:44:35		 42.8232 13.2543 8 2016-08-30
22:55:52		 Sala Sismica INGV-Roma 27764021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-30 22:44:35 ± 0.05
Latitude 42.8232 ± 0.0027
Longitude 13.2543 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 27764021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 371
Semi-minor axis of confidence ellipse (meter) 146
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) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 77
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92630
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 27764021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-30 22:55:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.BRJN.HHZ. 2016-08-30T22:45:15.00 3.0 undecidable manual Pg 4.39 0
IV.NARO.HHZ. 2016-08-30T22:45:08.99 3.0 undecidable manual S 102.8193 0.42 0
IV.PIEI.HHZ. 2016-08-30T22:45:06.99 3.0 undecidable manual S 97.8243 0.38 0
IV.ARVD.HHZ. 2016-08-30T22:45:01.99 3.0 undecidable manual S 79.8645 0.31 0
IV.LIK.EHZ.01 2016-08-30T22:45:00.80 3.0 undecidable manual P 1.03 0
IV.ATCC.EHZ. 2016-08-30T22:44:56.34 0.1 undecidable manual S 309 63.9915 50 0.74 75
IV.FOSV.EHZ. 2016-08-30T22:44:56.81 0.1 undecidable manual S 323 65.8896 50 0.72 75
IV.FIAM.HHZ. 2016-08-30T22:44:55.99 3.0 undecidable manual S 60.8946 -0.12 0
IV.PE3.EHZ. 2016-08-30T22:44:55.82 3.0 undecidable manual P 0.23 0
IV.EL6.EHZ. 2016-08-30T22:44:54.80 0.1 undecidable manual S 348 57.498 50 0.93 70
IV.ASSB.HHZ. 2016-08-30T22:44:53.10 0.1 undecidable manual S 297 54.2013 50 0.13 91
IV.NARO.HHZ. 2016-08-30T22:44:53.16 3.0 negative manual P 102.8193 -0.5 0
IV.SNTG.HHZ. 2016-08-30T22:44:53.19 0.1 undecidable manual S 332 54.2013 50 0.19 90
IV.FSSB.HHZ. 2016-08-30T22:44:53.75 3.0 undecidable manual P -0.12 0
IV.MGAB.HHZ. 2016-08-30T22:44:52.12 3.0 negative manual P 0.29 0
IV.PIEI.HHZ. 2016-08-30T22:44:52.58 3.0 positive manual P 97.8243 -0.25 0
IV.MPAG.EHZ. 2016-08-30T22:44:52.84 3.0 negative manual P -0.02 0
IV.ATPI.EHZ. 2016-08-30T22:44:52.40 3.0 negative manual P -0.37 0
IV.ATVO.HHZ. 2016-08-30T22:44:51.29 3.0 negative manual P -0.54 0
IV.FRON.EHZ. 2016-08-30T22:44:50.73 3.0 negative manual P -0.46 0
IV.ATTE.HHZ. 2016-08-30T22:44:50.33 3.0 undecidable manual P -0.03 0
IV.T0110.HHZ. 2016-08-30T22:44:49.79 3.0 positive manual P 0.23 0
IV.PP3.EHZ. 2016-08-30T22:44:49.25 3.0 negative manual P 1.18 0
IV.SSFR.HHZ. 2016-08-30T22:44:49.24 3.0 positive manual P -0.26 0
IV.ATFO.HHZ. 2016-08-30T22:44:49.89 3.0 negative manual P -0.18 0
IV.ARVD.HHZ. 2016-08-30T22:44:49.55 3.0 undecidable manual P 79.8645 -0.18 0
IV.VCEL.EHZ. 2016-08-30T22:44:48.25 3.0 negative manual P 0.45 0
IV.CAMP.HHZ. 2016-08-30T22:44:47.10 0.1 undecidable manual S 158 34.2435 50 -0.56 85
IV.RM33.EHZ. 2016-08-30T22:44:47.72 0.1 undecidable manual S 185 35.0427 50 -0.14 94
IV.CESI.HHZ. 2016-08-30T22:44:47.64 0.1 undecidable manual S 305 34.8429 50 -0.17 93
IV.FOSV.EHZ. 2016-08-30T22:44:47.30 0.1 undecidable manual P 323 65.8896 50 -0.08 90
IV.T1215.EHZ. 2016-08-30T22:44:46.50 0.1 undecidable manual S 266 31.4463 105 -0.26 92
IV.FIAM.HHZ. 2016-08-30T22:44:46.50 3.0 negative manual P 60.8946 -0.16 0
IV.LNSS.HHZ. 2016-08-30T22:44:46.24 0.1 undecidable manual S 216 30.0477 106 -0.03 97
IV.ATCC.EHZ. 2016-08-30T22:44:46.98 0.1 undecidable manual P 309 63.9915 50 -0.11 89
IV.CING.HHZ. 2016-08-30T22:44:46.60 3.0 negative manual P -0.27 0
IV.CSP1.EHZ. 2016-08-30T22:44:46.07 0.1 undecidable manual S 352 30.0477 106 -0.23 93
IV.EL6.EHZ. 2016-08-30T22:44:45.99 0.1 undecidable manual P 348 57.498 50 -0.09 91
IV.ASSB.HHZ. 2016-08-30T22:44:45.27 0.1 positive manual P 297 54.2013 50 -0.3 88
IV.FDMO.HHZ. 2016-08-30T22:44:45.24 0.1 undecidable manual S 330 27.2505 107 -0.12 95
IV.SNTG.HHZ. 2016-08-30T22:44:45.33 0.1 negative manual P 332 54.2013 50 -0.26 88
IV.ARRO.EHZ. 2016-08-30T22:44:44.49 0.1 undecidable manual P 236 48.1185 50 -0.15 91
IV.GIGS.HHZ. 2016-08-30T22:44:44.45 3.0 positive manual P -0.11 0
IV.FEMA.HNE. 2016-08-30T22:44:44.05 0.1 undecidable manual S 313 22.6551 110 0.2 95
IV.T1243.HHZ. 2016-08-30T22:44:43.25 0.1 undecidable manual S 132 21.1677 112 -0.1 97
IV.SMA1.EHN. 2016-08-30T22:44:43.53 0.1 undecidable manual S 163 22.3554 111 -0.22 94
IV.T1299.EHZ. 2016-08-30T22:44:43.78 0.1 undecidable manual S 174 21.0678 112 0.45 90
IV.OFFI.HHZ. 2016-08-30T22:44:43.51 3.0 positive manual P 0.51 0
IV.RM33.EHZ. 2016-08-30T22:44:42.57 0.1 undecidable manual P 185 35.0427 50 -0.05 95
IV.CESI.HHZ. 2016-08-30T22:44:42.31 0.1 positive manual P 305 34.8429 50 -0.28 91
IV.T1204.EHE. 2016-08-30T22:44:42.43 0.1 undecidable manual S 163 17.0718 116 0.36 92
IV.TERO.HHZ. 2016-08-30T22:44:42.36 3.0 negative manual P -0.25 0
IV.CSP1.EHZ. 2016-08-30T22:44:41.38 0.1 undecidable manual P 352 30.0477 106 -0.34 91
IV.T1215.EHZ. 2016-08-30T22:44:41.72 0.1 undecidable manual P 266 31.4463 105 -0.27 92
IV.CAMP.HHZ. 2016-08-30T22:44:41.92 0.1 undecidable manual P 158 34.2435 50 -0.58 84
IV.T1202.EHZ. 2016-08-30T22:44:41.26 0.1 undecidable manual S 190 13.4754 122 0.29 94
IV.T1241.HHN. 2016-08-30T22:44:41.60 0.1 undecidable manual S 76 14.874 119 0.22 95
IV.LNSS.HHZ. 2016-08-30T22:44:41.55 0.1 undecidable manual P 216 30.0477 106 -0.16 94
IV.MC2.EHZ. 2016-08-30T22:44:40.64 0.1 undecidable manual S 332 11.1777 127 0.34 94
IV.T1299.EHZ. 2016-08-30T22:44:40.19 0.1 undecidable manual P 174 21.0678 112 0.18 95
IV.FDMO.HHZ. 2016-08-30T22:44:40.89 0.1 undecidable manual P 330 27.2505 107 -0.29 92
IV.FEMA.HNE. 2016-08-30T22:44:40.40 0.1 undecidable manual P 313 22.6551 110 0.09 97
IV.SMA1.EHN. 2016-08-30T22:44:40.15 0.1 undecidable manual P 163 22.3554 111 -0.1 97
IV.NRCA.HNE. 2016-08-30T22:44:40.35 0.1 undecidable manual S 276 11.4774 126 -0.03 100
IV.T1204.EHE. 2016-08-30T22:44:39.47 0.1 undecidable manual P 163 17.0718 116 0.19 96
IV.T1244.EHZ. 2016-08-30T22:44:39.71 0.1 undecidable manual S 154 8.1807 136 0.19 97
IV.T1201.HNE. 2016-08-30T22:44:39.90 0.1 undecidable manual P 181 18.3705 115 0.39 92
IV.T1243.HHZ. 2016-08-30T22:44:39.94 0.1 undecidable manual P 132 21.1677 112 -0.08 97
IV.MMO1.HNE. 2016-08-30T22:44:39.66 0.1 undecidable manual S 35 10.2786 129 -0.42 92
IV.T1241.HHN. 2016-08-30T22:44:39.00 0.1 undecidable manual P 76 14.874 119 0.12 97
IV.T1242.HNZ. 2016-08-30T22:44:38.18 0.1 undecidable manual S 280 4.0959 154 -0.52 91
IV.MMO1.HNE. 2016-08-30T22:44:38.02 0.1 undecidable manual P 35 10.2786 129 -0.1 99
IV.NRCA.HNE. 2016-08-30T22:44:38.38 0.1 undecidable manual P 276 11.4774 126 0.08 99
IV.MC2.EHZ. 2016-08-30T22:44:38.43 0.1 undecidable manual P 332 11.1777 127 0.17 97
IV.T1244.EHZ. 2016-08-30T22:44:38.01 0.1 undecidable manual P 154 8.1807 136 0.2 97
IV.T1202.EHZ. 2016-08-30T22:44:38.97 0.1 undecidable manual P 190 13.4754 122 0.33 93
IV.T1242.HNZ. 2016-08-30T22:44:37.25 0.1 undecidable manual P 280 4.0959 154 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:2.2 0.000393 0.8 AML other m 2016-08-30T22:44:53.91
IV.ASSB.HHE. ML:2.2 0.0003945 1.46 AML other m 2016-08-30T22:44:53.51
IV.ATCC.EHE. ML:2.1 0.000214 0.32 AML other m 2016-08-30T22:44:57.42
IV.ATCC.EHN. ML:2.0 0.00018449999999999999 0.6 AML other m 2016-08-30T22:44:57.99
IV.ATFO.HHN. ML:1.6 0.000061 1.32 AML other m 2016-08-30T22:45:03.87
IV.ATFO.HHE. ML:1.8 0.0000743 0.98 AML other m 2016-08-30T22:45:08.14
IV.CESI.HHE. ML:2.2 0.0006435 0.18 AML other m 2016-08-30T22:44:47.91
IV.CESI.HHN. ML:2.3 0.0008314999999999999 0.96 AML other m 2016-08-30T22:44:47.92
IV.CING.HHN. ML:1.8 0.0001325 0.36 AML other m 2016-08-30T22:44:56.97
IV.CING.HHE. ML:1.8 0.0001295 0.7 AML other m 2016-08-30T22:44:57.41
IV.FDMO.HHN. ML:2.3 0.001086 0.2 AML other m 2016-08-30T22:44:45.62
IV.FDMO.HHE. ML:2.3 0.001014 1.04 AML other m 2016-08-30T22:44:45.65
IV.FOSV.EHN. ML:2.6 0.0007215 0.3 AML other m 2016-08-30T22:44:57.33
IV.FOSV.EHE. ML:2.0 0.000176 1.28 AML other m 2016-08-30T22:44:58.03
IV.FSSB.HHE. ML:2.0 0.00010315 0.36 AML other m 2016-08-30T22:45:09.93
IV.FSSB.HHN. ML:2.2 0.000154 0.5 AML other m 2016-08-30T22:45:11.09
IV.LNSS.HHE. ML:2.1 0.000666 0.5 AML other m 2016-08-30T22:44:47.27
IV.LNSS.HHN. ML:2.0 0.000515 0.74 AML other m 2016-08-30T22:44:47.16
IV.MGAB.HHN. ML:2.0 0.00010735000000000001 0.32 AML other m 2016-08-30T22:45:10.47
IV.MGAB.HHE. ML:2.0 0.00009825 0.56 AML other m 2016-08-30T22:45:12.79
IV.OFFI.HHN. ML:2.0 0.0003985 0.7 AML other m 2016-08-30T22:44:51.13
IV.OFFI.HHE. ML:1.9 0.0003195 0.64 AML other m 2016-08-30T22:44:59.31
IV.RM33.EHN. ML:1.9 0.00035350000000000003 0.28 AML other m 2016-08-30T22:44:56.38
IV.RM33.EHE. ML:1.9 0.00036150000000000006 1.22 AML other m 2016-08-30T22:44:56.58
IV.SNTG.HHN. ML:1.8 0.00013900000000000002 1.04 AML other m 2016-08-30T22:44:55.26
IV.SNTG.HHE. ML:1.7 0.0001275 1.12 AML other m 2016-08-30T22:44:54.84
IV.SSFR.HHN. ML:2.3 0.0002605 0.24 AML other m 2016-08-30T22:45:02.66
IV.SSFR.HHE. ML:2.3 0.00030199999999999997 0.22 AML other m 2016-08-30T22:45:03.02
IV.T0110.HHE. ML:2.0 0.00013700000000000002 1.56 AML other m 2016-08-30T22:45:02.79
IV.T0110.HHN. ML:2.0 0.0001298 1.1 AML other m 2016-08-30T22:45:02.78
IV.T1215.HNN. ML:2.2 0.0007894999999999999 0.44 AML other m 2016-08-30T22:45:46.51
IV.T1215.HNE. ML:2.2 0.0008427 0.46 AML other m 2016-08-30T22:45:46.51
IV.T1299.EHE. ML:2.1 0.000902 0.4 AML other m 2016-08-30T22:44:52.72
IV.T1299.EHN. ML:2.0 0.0008025 0.54 AML other m 2016-08-30T22:44:43.93
IV.VCEL.EHN. ML:2.0 0.0001705 0.86 AML other m 2016-08-30T22:44:59.58
IV.VCEL.EHE. ML:1.9 0.00013015 0.96 AML other m 2016-08-30T22:45:00.82
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