Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-10-2016 and time 17:45:58 (Italy) in region 5 km W Accumoli (RI)

A magnitude ML 2.3 earthquake occured in region: 5 km W Accumoli (RI), on

  • 30-10-2016 16:45:58 (UTC)
  • 30-10-2016 17:45:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7060, 13.1860 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Cittareale RI 10 482 1149
Arquata del Tronto AP 12 1178 2327
Amatrice RI 12 2657 4984
Norcia PG 12 4957 9941
Cascia PG 14 3217 13158
Montegallo AP 19 523 13681
Acquasanta Terme AP 20 2916 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
47 Km E of Terni (111501 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km W of Pescara (121014 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
90 Km W of Chieti (51815 inhabitants)
94 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
Bulletin
Rev1000 		ML 2.3 2016-10-30
16:45:58		 42.7062 13.1862 11 2019-02-12
14:03:20		 Bollettino Sismico Italiano INGV 46369991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 16:45:58 ± 0.05
Latitude 42.7062 ± 0.0027
Longitude 13.1862 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 46369991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 297
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.57377
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 46369991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-07 08:23:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHE. 2016-10-30T16:46:12.19 0.6 undecidable manual S 2 42.8238 50 0.17 47
IV.GUMA.HHZ. 2016-10-30T16:46:12.41 0.6 undecidable manual S 17 41.3253 50 0.78 39
IV.T1256.HHZ. 2016-10-30T16:46:09.57 0.6 undecidable manual S 6 33.4443 50 0.05 49
IV.T1211.EHZ. 2016-10-30T16:46:09.44 0.6 undecidable manual S 235 33.1446 50 0 49
IV.T1247.HHZ. 2016-10-30T16:46:09.20 0.6 undecidable manual S 163 30.747 50 0.4 45
IV.TERO.HHN. 2016-10-30T16:46:09.55 0.6 undecidable manual S 105 35.3424 50 -0.47 44
XO.AM05.EHZ. 2016-10-30T16:46:09.49 0.6 undecidable manual S 24 33.0447 50 0.09 48
IV.VCEL.EHZ. 2016-10-30T16:46:09.76 0.3 undecidable manual P 123 63.6918 50 0.45 63
IV.FEMA.HNE. 2016-10-30T16:46:08.80 0.6 undecidable manual S 339 30.4473 50 0.08 49
IV.CAMP.HHE. 2016-10-30T16:46:07.33 0.6 undecidable manual S 136 26.2515 50 -0.26 47
IV.T1215.HNZ. 2016-10-30T16:46:07.71 0.6 undecidable manual S 292 27.9498 50 -0.34 46
IV.T1246.HHN. 2016-10-30T16:46:07.91 0.6 undecidable manual S 118 28.5492 50 -0.29 47
IV.T1241.HNZ. 2016-10-30T16:46:07.43 0.6 undecidable manual S 50 25.9518 50 -0.1 49
IV.OFFI.HHE. 2016-10-30T16:46:07.64 0.1 undecidable manual P 58 47.9187 50 0.76 78
IV.MMO1.EHZ. 2016-10-30T16:46:06.81 0.6 undecidable manual S 28 24.2535 50 -0.27 47
IV.GUMA.HHZ. 2016-10-30T16:46:06.09 0.1 undecidable manual P 17 41.3253 50 0.22 93
IV.RM33.HNZ. 2016-10-30T16:46:06.53 0.6 undecidable manual S 174 21.9669 50 0.07 49
IV.CSP1.EHE. 2016-10-30T16:46:05.97 0.1 undecidable manual P 2 42.8238 50 -0.13 94
IV.T1243.HHZ. 2016-10-30T16:46:05.84 0.6 undecidable manual S 93 21.3675 116 -0.44 46
IV.T1217.EHZ. 2016-10-30T16:46:05.83 0.6 undecidable manual S 272 20.7681 117 -0.26 48
IV.ARRO.EHZ. 2016-10-30T16:46:05.49 0.3 undecidable manual P 248 37.1295 50 0.27 69
IV.GIGS.HHN. 2016-10-30T16:46:05.70 0.3 undecidable manual P 131 42.2244 50 -0.31 68
IV.TERO.HHN. 2016-10-30T16:46:04.63 0.1 undecidable manual P 105 35.3424 50 -0.31 92
XO.AM05.EHZ. 2016-10-30T16:46:04.46 0.3 undecidable manual P 24 33.0447 50 -0.12 72
IV.T1245.HNZ. 2016-10-30T16:46:04.85 0.6 undecidable manual S 1 16.6722 122 0 50
IV.LNSS.HHZ. 2016-10-30T16:46:04.97 0.6 undecidable manual S 226 16.4724 122 0.17 49
IV.FEMA.HNE. 2016-10-30T16:46:04.51 0.3 undecidable manual P 339 30.4473 50 0.32 69
IV.T1256.HHZ. 2016-10-30T16:46:04.64 0.3 undecidable manual P 6 33.4443 50 -0.01 73
IV.T1211.EHZ. 2016-10-30T16:46:04.65 0.3 undecidable manual P 235 33.1446 50 0.04 73
IV.T1247.HHZ. 2016-10-30T16:46:04.14 0.3 undecidable manual P 163 30.747 50 -0.1 72
IV.MMO1.EHZ. 2016-10-30T16:46:03.24 0.3 undecidable manual P 28 24.2535 50 0 75
IV.CAMP.HHE. 2016-10-30T16:46:03.60 0.1 undecidable manual P 136 26.2515 50 0.06 98
IV.T1299.HNN. 2016-10-30T16:46:03.54 0.6 undecidable manual S 135 11.1777 133 0.2 49
IV.T1215.HNZ. 2016-10-30T16:46:03.59 0.3 undecidable manual P 292 27.9498 50 -0.22 71
IV.T1246.HHN. 2016-10-30T16:46:03.68 0.1 undecidable manual P 118 28.5492 50 -0.21 95
IV.T1241.HNZ. 2016-10-30T16:46:03.57 0.3 undecidable manual P 50 25.9518 50 0.07 74
IV.T1204.EHZ. 2016-10-30T16:46:03.43 0.6 undecidable manual S 107 11.1777 133 0.1 50
IV.RM33.HNZ. 2016-10-30T16:46:02.82 0.3 undecidable manual P 174 21.9669 50 -0.07 74
IV.T1201.HNN. 2016-10-30T16:46:02.85 0.6 undecidable manual S 136 7.5813 144 0.35 48
IV.T1243.HHZ. 2016-10-30T16:46:02.63 0.1 undecidable manual P 93 21.3675 116 -0.16 97
IV.T1217.EHZ. 2016-10-30T16:46:02.28 0.3 undecidable manual P 272 20.7681 117 -0.39 69
IV.T1245.HNZ. 2016-10-30T16:46:01.49 0.3 undecidable manual P 1 16.6722 122 -0.47 69
IV.LNSS.HHZ. 2016-10-30T16:46:01.98 0.1 undecidable manual P 226 16.4724 122 0.05 100
IV.T1299.HNN. 2016-10-30T16:46:01.41 0.1 undecidable manual P 135 11.1777 133 0.33 95
IV.T1204.EHZ. 2016-10-30T16:46:00.72 0.3 undecidable manual P 107 11.1777 133 -0.36 71
IV.T1201.HNN. 2016-10-30T16:46:00.99 0.3 undecidable manual P 136 7.5813 144 0.38 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:2.6 0.0018790225000000001 0.1152 AML other m 2016-10-30T16:46:10.52
XO.AM05.HNN. ML:2.1 0.00061992 0.1024 AML other m 2016-10-30T16:46:10.09
XO.AM05.EHN. ML:1.7 0.00022488144999999998 0.1024 AML other m 2016-10-30T16:46:10.37
XO.AM05.HNE. ML:2.1 0.0005210958999999999 0.128 AML other m 2016-10-30T16:46:10.52
IV.ARRO.EHE. ML:2.3 0.0007842249 0.192 AML other m 2016-10-30T16:46:12.74
IV.ARRO.EHN. ML:2.3 0.0007159467 0.2048 AML other m 2016-10-30T16:46:11.12
IV.GUMA.HNE. ML:2.9 0.0027326889999999995 0.3456 AML other m 2016-10-30T16:46:12.97
IV.GUMA.HNN. ML:3.0 0.0029715605 0.448 AML other m 2016-10-30T16:46:12.84
IV.GUMA.HHN. ML:2.9 0.0025757884999999996 0.4224 AML other m 2016-10-30T16:46:12.87
IV.GUMA.HHE. ML:3.0 0.0034113935 0.3712 AML other m 2016-10-30T16:46:12.99
IV.LNSS.HHE. ML:2.5 0.0025882015 0.3456 AML other m 2016-10-30T16:46:05.18
IV.LNSS.HHN. ML:2.8 0.0050077235 0.1152 AML other m 2016-10-30T16:46:05.77
IV.RM33.HNE. ML:2.4 0.0016033795 0.1792 AML other m 2016-10-30T16:46:06.97
IV.RM33.EHE. ML:2.4 0.0015512185 0.1536 AML other m 2016-10-30T16:46:06.80
IV.RM33.EHN. ML:2.2 0.0011050435000000002 0.1664 AML other m 2016-10-30T16:46:06.67
IV.RM33.HNN. ML:2.2 0.0011241253499999998 0.1792 AML other m 2016-10-30T16:46:06.75
IV.T1215.HNE. ML:2.0 0.00056243647 0.0768 AML other m 2016-10-30T16:46:08.60
IV.T1215.EHE. ML:2.0 0.0005760084999999999 0.0768 AML other m 2016-10-30T16:46:08.63
IV.T1215.EHN. ML:2.1 0.000727256675 0.1152 AML other m 2016-10-30T16:46:08.04
IV.T1215.HNN. ML:2.1 0.0007047043 0.1152 AML other m 2016-10-30T16:46:08.10
IV.T1217.HNE. ML:2.4 0.0018221729999999998 0.2304 AML other m 2016-10-30T16:46:06.82
IV.T1217.EHE. ML:2.4 0.00181016675 0.2304 AML other m 2016-10-30T16:46:06.70
IV.T1217.HNN. ML:2.4 0.0017283243500000002 0.192 AML other m 2016-10-30T16:46:05.89
IV.T1217.EHN. ML:2.4 0.0016640255 0.192 AML other m 2016-10-30T16:46:05.89
IV.T1241.HNN. ML:2.1 0.0007653928 0.1664 AML other m 2016-10-30T16:46:09.41
IV.T1241.HNE. ML:2.7 0.003099215 0.3072 AML other m 2016-10-30T16:46:08.24
IV.T1241.EHE. ML:2.7 0.0026141105 0.1792 AML other m 2016-10-30T16:46:08.24
IV.T1241.EHN. ML:2.2 0.000964556 0.2688 AML other m 2016-10-30T16:46:09.34
IV.T1256.HHN. ML:2.2 0.0006462448000000001 0.1792 AML other m 2016-10-30T16:46:10.23
IV.T1256.HHE. ML:2.3 0.0008862533 0.3072 AML other m 2016-10-30T16:46:10.96
IV.T1256.HNE. ML:2.3 0.0008890084999999999 0.2816 AML other m 2016-10-30T16:46:10.80
IV.T1256.HNN. ML:2.2 0.0006649957000000001 0.2688 AML other m 2016-10-30T16:46:13.08
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