Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-08-2016 and time 19:02:09 (UTC) in region 5 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 30-08-2016 19:02:09 (UTC)
  • 30-08-2016 21:02:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.2140 at 13 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
Accumoli RI 5 667 667
Arquata del Tronto AP 9 1178 1845
Norcia PG 12 4957 6802
Amatrice RI 13 2657 9459
Cittareale RI 13 482 9941
Montegallo AP 16 523 10464
Cascia PG 16 3217 13681
Acquasanta Terme AP 17 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
50 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
97 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 2.0 2016-08-30
19:02:09		 42.7285 13.214 13 2016-08-30
19:10:08		 Sala Sismica INGV-Roma 27745791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-30 19:02:09 ± 0.04
Latitude 42.7285 ± 0.0018
Longitude 13.2140 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 27745791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 32
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64661
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 24
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 27745791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-30 19:10:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-08-30T19:02:37.99 3.0 undecidable manual S -2.74 0
IV.EL6.EHZ. 2016-08-30T19:02:30.82 3.0 undecidable manual S 352 67.2771 92 1.23 0
IV.ASSB.HHZ. 2016-08-30T19:02:27.32 0.6 undecidable manual S 308 56.9985 92 0.46 43
IV.GIUL.HHZ. 2016-08-30T19:02:27.35 3.0 undecidable manual P 1.07 0
IV.FIAM.HHZ. 2016-08-30T19:02:25.87 0.6 undecidable manual S 189 51.7038 93 0.43 44
IV.CSP1.EHZ. 2016-08-30T19:02:22.70 0.6 undecidable manual S 359 40.3263 94 0.3 46
IV.GIGS.HHZ. 2016-08-30T19:02:22.91 0.6 undecidable manual S 136 42.3243 94 -0.04 47
IV.FDMO.HHZ. 2016-08-30T19:02:21.14 0.6 undecidable manual S 343 35.6421 95 -0.04 49
IV.CING.HHZ. 2016-08-30T19:02:21.99 0.1 undecidable manual P 359 71.7726 92 0.33 86
IV.EL6.EHZ. 2016-08-30T19:02:21.07 0.1 undecidable manual P 352 67.2771 92 0.11 90
IV.ATCC.EHZ. 2016-08-30T19:02:21.44 1.0 positive manual P 318 68.8755 92 0.23 22
IV.SNTG.HHZ. 2016-08-30T19:02:20.31 0.6 positive manual P 339 62.493 92 0.09 46
IV.ASSB.HHZ. 2016-08-30T19:02:19.36 0.3 undecidable manual P 308 56.9985 92 -0.03 70
IV.FIAM.HHZ. 2016-08-30T19:02:18.42 0.1 undecidable manual P 189 51.7038 93 -0.14 92
IV.RM33.EHZ. 2016-08-30T19:02:18.26 0.6 undecidable manual S 180 24.3534 99 0.09 49
IV.OFFI.HHZ. 2016-08-30T19:02:18.46 3.0 negative manual P 44.7219 0.97 0
IV.GIGS.HHZ. 2016-08-30T19:02:17.00 0.1 undecidable manual P 136 42.3243 94 -0.12 93
IV.T1243.HHZ. 2016-08-30T19:02:16.64 0.6 undecidable manual S 100 19.4694 105 -0.24 47
IV.CSP1.EHZ. 2016-08-30T19:02:16.76 0.1 positive manual P 359 40.3263 94 -0.06 96
IV.CESI.HHZ. 2016-08-30T19:02:16.62 0.1 negative manual P 321 39.627 94 -0.1 95
IV.LNSS.HHZ. 2016-08-30T19:02:16.93 0.6 undecidable manual S 226 19.869 104 -0.07 50
IV.T1299.EHZ. 2016-08-30T19:02:15.13 0.6 undecidable manual S 152 11.877 124 0.1 50
IV.NRCA.HNZ. 2016-08-30T19:02:15.15 0.6 undecidable manual S 325 14.1747 117 -0.43 47
IV.FDMO.HHZ. 2016-08-30T19:02:15.97 0.1 undecidable manual P 343 35.6421 95 -0.13 95
IV.TERO.HHZ. 2016-08-30T19:02:15.63 0.1 undecidable manual P 110 33.9438 95 -0.19 93
IV.T1244.EHZ. 2016-08-30T19:02:14.18 0.3 undecidable manual S 65 7.4814 142 -0.01 76
IV.T1241.HHZ. 2016-08-30T19:02:14.06 0.3 positive manual P 51 22.6551 101 -0.05 74
IV.RM33.EHZ. 2016-08-30T19:02:14.40 0.1 undecidable manual P 180 24.3534 99 0.03 99
IV.T1215.EHZ. 2016-08-30T19:02:14.96 0.1 negative manual P 286 29.2485 97 -0.16 96
IV.LNSS.HHZ. 2016-08-30T19:02:13.57 0.1 undecidable manual P 226 19.869 104 -0.12 98
IV.T1202.EHZ. 2016-08-30T19:02:13.61 0.6 undecidable manual S 162 2.8971 164 -0.02 51
IV.T1243.HHZ. 2016-08-30T19:02:13.54 0.1 undecidable manual P 100 19.4694 105 -0.09 98
IV.MC2.EHZ. 2016-08-30T19:02:13.80 0.1 positive manual P 354 20.3685 103 0.03 100
IV.SMA1.EHZ. 2016-08-30T19:02:13.08 0.1 undecidable manual P 138 14.6742 115 0.14 99
IV.MMO1.EHZ. 2016-08-30T19:02:13.79 1.0 undecidable manual P 26 21.0678 103 -0.08 25
IV.T1299.EHZ. 2016-08-30T19:02:12.71 0.1 undecidable manual P 152 11.877 124 0.15 99
IV.NRCA.HNZ. 2016-08-30T19:02:12.78 0.1 negative manual P 325 14.1747 117 -0.09 100
IV.T1244.EHZ. 2016-08-30T19:02:12.28 0.1 undecidable manual P 65 7.4814 142 0.21 98
IV.T1242.HHZ. 2016-08-30T19:02:12.49 1.0 undecidable manual P 356 11.1777 127 0.01 25
IV.T1202.EHZ. 2016-08-30T19:02:11.91 0.1 undecidable manual P 162 2.8971 164 0.16 99
IV.SMA1.EHZ. 2016-08-30T19:02:08.99 3.0 undecidable manual S 138 14.6742 115 -6.7 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.6 0.00009075 0.5 AML other m 2016-08-30T19:02:56.37
IV.ASSB.HHN. ML:1.6 0.00009029999999999999 0.18 AML other m 2016-08-30T19:02:57.44
IV.CESI.HHE. ML:1.9 0.00028100000000000005 1.44 AML other m 2016-08-30T19:02:50.62
IV.CESI.HHN. ML:2.2 0.0004845 0.26 AML other m 2016-08-30T19:02:50.63
IV.CING.HHE. ML:1.9 0.00011350000000000001 1.1 AML other m 2016-08-30T19:03:00.96
IV.CING.HHN. ML:1.8 0.0000953 0.34 AML other m 2016-08-30T19:03:02.57
IV.FDMO.HHN. ML:1.9 0.0002725 0.6 AML other m 2016-08-30T19:02:50.22
IV.FDMO.HHE. ML:1.8 0.000264 0.18 AML other m 2016-08-30T19:02:51.00
IV.MMO1.EHN. ML:2.1 0.0008215 0.9 AML other m 2016-08-30T19:02:47.19
IV.MMO1.EHE. ML:2.1 0.0008885 0.6 AML other m 2016-08-30T19:02:46.62
IV.RM33.EHE. ML:2.1 0.0006779999999999999 0.16 AML other m 2016-08-30T19:02:50.91
IV.RM33.EHN. ML:1.9 0.000439 0.24 AML other m 2016-08-30T19:02:18.42
IV.SNTG.HHN. ML:1.8 0.0001175 0.14 AML other m 2016-08-30T19:02:57.87
IV.SNTG.HHE. ML:1.6 0.00008474999999999999 0.42 AML other m 2016-08-30T19:02:58.23
IV.T1241.HNE. ML:2.3 0.001101 0.26 AML other m 2016-08-30T19:02:47.91
IV.T1241.HHN. ML:2.1 0.000796 0.28 AML other m 2016-08-30T19:02:47.80
IV.T1241.HNN. ML:2.1 0.0008345000000000001 0.28 AML other m 2016-08-30T19:02:47.80
IV.T1241.HHE. ML:2.2 0.001029 0.26 AML other m 2016-08-30T19:02:47.90
IV.T1244.HNE. ML:2.1 0.0015049999999999998 0.48 AML other m 2016-08-30T19:02:47.00
IV.T1244.HNN. ML:2.0 0.001265 0.58 AML other m 2016-08-30T19:02:46.86
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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