Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-10-2016 and time 22:07:03 (Italy) in region 8 km W Accumoli (RI)

A magnitude ML 2.1 earthquake occured in region: 8 km W Accumoli (RI), on

  • 30-10-2016 21:07:03 (UTC)
  • 30-10-2016 22:07:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6980, 13.1510 at 15 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 8 667 667
Cittareale RI 9 482 1149
Cascia PG 11 3217 4366
Norcia PG 12 4957 9323
Amatrice RI 14 2657 11980
Arquata del Tronto AP 15 1178 13158
Monteleone di Spoleto PG 17 599 13757
Poggiodomo PG 18 117 13874
Posta RI 20 694 14568

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of L'Aquila (69753 inhabitants)
44 Km E of Terni (111501 inhabitants)
46 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km W 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
Bulletin
Rev1000 		ML 2.1 2016-10-30
21:07:03		 42.6982 13.1512 15 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47045471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 21:07:03 ± 0.07
Latitude 42.6982 ± 0.0045
Longitude 13.1512 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47045471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 447
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 355
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.61424
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 47045471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 23:35:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2016-10-30T21:07:18.96 0.6 undecidable manual S 183 47.8188 96 -0.1 46
IV.GIGS.HHZ. 2016-10-30T21:07:17.87 0.6 undecidable manual S 128 43.8228 97 -0.15 46
IV.TERO.HHZ. 2016-10-30T21:07:16.26 0.6 undecidable manual S 103 37.8288 99 -0.17 46
IV.SNTG.HHZ. 2016-10-30T21:07:15.15 0.6 undecidable manual P 345 64.0914 94 0.04 46
IV.VCEL.EHZ. 2016-10-30T21:07:15.83 0.3 undecidable manual P 121 65.5899 94 0.48 62
IV.ARRO.EHZ. 2016-10-30T21:07:15.88 0.6 undecidable manual S 247 34.1436 100 0.44 44
IV.TRTR.HHZ. 2016-10-30T21:07:14.78 0.3 undecidable manual P 79 63.2922 94 -0.2 66
IV.T1241.HNN. 2016-10-30T21:07:14.53 0.6 undecidable manual S 52 28.749 103 0.48 44
IV.T1246.HHN. 2016-10-30T21:07:14.36 0.6 undecidable manual S 114 30.6471 102 -0.18 47
IV.T1211.EHZ. 2016-10-30T21:07:14.51 0.6 undecidable manual S 233 30.3474 102 0.05 48
IV.ATCC.EHZ. 2016-10-30T21:07:14.95 0.3 undecidable manual P 323 68.1762 94 -0.78 55
IV.CAMP.HHZ. 2016-10-30T21:07:13.68 0.6 undecidable manual S 130 27.6501 104 -0.09 48
IV.T1243.HHZ. 2016-10-30T21:07:12.10 0.6 undecidable manual S 90 24.2535 108 -0.78 39
IV.FIAM.HHZ. 2016-10-30T21:07:12.66 0.3 undecidable manual P 183 47.8188 96 0.05 70
IV.CESX.HHZ. 2016-10-30T21:07:12.73 0.3 undecidable manual P 258 47.1195 97 0.22 68
MN.AQU.HHZ. 2016-10-30T21:07:12.49 0.6 undecidable manual P 151 43.4232 97 0.55 42
IV.OFFI.HHE. 2016-10-30T21:07:12.80 0.1 undecidable manual P 59 50.8158 96 -0.27 88
IV.RM33.EHZ. 2016-10-30T21:07:11.94 0.6 undecidable manual S 166 21.5673 111 -0.28 47
IV.TERO.HHZ. 2016-10-30T21:07:11.18 0.1 undecidable manual P 103 37.8288 99 0.09 94
IV.GIGS.HHZ. 2016-10-30T21:07:11.83 0.1 undecidable manual P 128 43.8228 97 -0.18 91
IV.SMA1.EHZ. 2016-10-30T21:07:11.14 0.6 undecidable manual S 116 16.7721 120 0.09 49
IV.T1217.EHZ. 2016-10-30T21:07:11.07 0.6 undecidable manual S 275 17.9709 117 -0.27 47
IV.LNSS.HHZ. 2016-10-30T21:07:10.05 0.6 undecidable manual S 221 13.875 127 -0.37 47
IV.ARRO.EHZ. 2016-10-30T21:07:10.52 0.1 positive manual P 247 34.1436 100 0 97
IV.T1204.EHZ. 2016-10-30T21:07:10.35 0.6 undecidable manual S 100 13.6752 127 -0.02 50
IV.T1247.HHZ. 2016-10-30T21:07:10.11 0.3 undecidable manual P 157 30.8469 102 0.08 72
IV.T1241.HNN. 2016-10-30T21:07:10.27 0.3 undecidable manual P 52 28.749 103 0.56 65
IV.T1299.HNN. 2016-10-30T21:07:09.97 0.3 undecidable manual S 123 12.7761 130 -0.21 72
IV.T1211.EHZ. 2016-10-30T21:07:09.91 0.1 positive manual P 233 30.3474 102 -0.04 97
IV.T1243.HHZ. 2016-10-30T21:07:09.06 0.1 undecidable manual P 90 24.2535 108 0.02 98
IV.T1201.HNN. 2016-10-30T21:07:09.29 0.6 undecidable manual S 119 9.2796 141 -0.23 48
IV.T1246.HHN. 2016-10-30T21:07:09.99 0.1 undecidable manual P 114 30.6471 102 0 97
IV.CAMP.HHZ. 2016-10-30T21:07:09.57 0.1 undecidable manual P 130 27.6501 104 0.02 97
IV.T1217.EHZ. 2016-10-30T21:07:08.17 0.1 positive manual P 275 17.9709 117 0.02 99
IV.RM33.EHZ. 2016-10-30T21:07:08.63 0.3 undecidable manual P 166 21.5673 111 -0.02 74
IV.SMA1.EHZ. 2016-10-30T21:07:08.17 0.1 undecidable manual P 116 16.7721 120 0.19 96
IV.T1201.HNN. 2016-10-30T21:07:07.22 0.1 undecidable manual P 119 9.2796 141 0.12 98
IV.T1299.HNN. 2016-10-30T21:07:07.61 0.1 undecidable manual P 123 12.7761 130 0.13 98
IV.LNSS.HHZ. 2016-10-30T21:07:07.60 0.1 positive manual P 221 13.875 127 -0.01 100
IV.T1204.EHZ. 2016-10-30T21:07:07.75 0.1 undecidable manual P 100 13.6752 127 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLN. ML:1.8 0.0001925117 0.2048 AML other m 2016-10-30T21:07:19.68
MN.AQU.HHN. ML:1.8 0.000183873385 0.2048 AML other m 2016-10-30T21:07:19.68
MN.AQU.HLE. ML:1.7 0.00016190166500000002 0.3584 AML other m 2016-10-30T21:07:22.52
IV.ARRO.EHE. ML:2.1 0.00047534405 0.1792 AML other m 2016-10-30T21:07:16.63
IV.ARRO.EHN. ML:1.9 0.00031854845 0.3072 AML other m 2016-10-30T21:07:17.04
IV.ATCC.EHN. ML:2.1 0.00022728835 0.4224 AML other m 2016-10-30T21:07:27.10
IV.ATCC.EHE. ML:2.0 0.00018815704999999998 0.256 AML other m 2016-10-30T21:07:26.50
IV.CAMP.HHN. ML:1.7 0.0002376355 0.256 AML other m 2016-10-30T21:07:14.43
IV.CAMP.HHE. ML:1.8 0.0002921391 0.2432 AML other m 2016-10-30T21:07:13.81
IV.CESX.HHN. ML:2.0 0.00024261925000000002 0.32 AML other m 2016-10-30T21:07:21.30
IV.CESX.HHE. ML:1.8 0.0001644675 0.2432 AML other m 2016-10-30T21:07:21.06
IV.FIAM.HHN. ML:1.8 0.0001838044 0.2688 AML other m 2016-10-30T21:07:21.74
IV.FIAM.HHE. ML:1.9 0.00023239625 0.2176 AML other m 2016-10-30T21:07:19.85
IV.GIGS.HHE. ML:1.8 0.00018762735 0.2432 AML other m 2016-10-30T21:07:17.00
IV.GIGS.HHN. ML:1.6 0.0001175979 0.2048 AML other m 2016-10-30T21:07:19.94
IV.LNSS.HHN. ML:2.8 0.005459728999999999 0.1408 AML other m 2016-10-30T21:07:10.44
IV.LNSS.HHE. ML:2.5 0.0023582945 0.1792 AML other m 2016-10-30T21:07:10.23
IV.RM33.EHN. ML:2.1 0.0008076447 0.0512 AML other m 2016-10-30T21:07:12.45
IV.RM33.HNN. ML:2.1 0.00084557825 0.0768 AML other m 2016-10-30T21:07:12.44
IV.RM33.EHE. ML:2.0 0.0006098507 0.1408 AML other m 2016-10-30T21:07:14.15
IV.RM33.HNE. ML:2.0 0.0006468380000000001 0.1536 AML other m 2016-10-30T21:07:14.07
IV.SMA1.EHE. ML:2.8 0.0051009335 0.1792 AML other m 2016-10-30T21:07:11.55
IV.SMA1.EHN. ML:2.6 0.002792027 0.2688 AML other m 2016-10-30T21:07:11.62
IV.SNTG.HHE. ML:1.6 0.00008219476 0.1408 AML other m 2016-10-30T21:07:26.05
IV.SNTG.HHN. ML:1.8 0.00010974219999999998 0.2816 AML other m 2016-10-30T21:07:25.16
IV.SNTG.HNE. ML:1.9 0.00016113485 0.6912 AML other m 2016-10-30T21:07:34.37
IV.SNTG.HNN. ML:2.0 0.0001931918 0.576 AML other m 2016-10-30T21:07:30.20
IV.T1204.EHE. ML:2.6 0.0029826813 0.2944 AML other m 2016-10-30T21:07:12.54
IV.T1204.EHN. ML:2.1 0.0011860771 0.1792 AML other m 2016-10-30T21:07:12.45
IV.T1211.HNE. ML:2.3 0.00094710845 0.1152 AML other m 2016-10-30T21:07:14.66
IV.T1211.HNN. ML:2.4 0.0009990291 0.1152 AML other m 2016-10-30T21:07:14.78
IV.T1211.EHE. ML:2.3 0.00095643425 0.1024 AML other m 2016-10-30T21:07:14.66
IV.T1211.EHN. ML:2.3 0.00098632641 0.1152 AML other m 2016-10-30T21:07:14.78
IV.T1217.EHN. ML:2.4 0.0019318789999999998 0.2048 AML other m 2016-10-30T21:07:11.20
IV.T1217.HNE. ML:2.2 0.001182406 0.064 AML other m 2016-10-30T21:07:11.27
IV.T1217.HNN. ML:2.4 0.0019682255 0.2048 AML other m 2016-10-30T21:07:11.20
IV.T1217.EHE. ML:2.2 0.0011460640000000002 0.0768 AML other m 2016-10-30T21:07:11.31
IV.T1247.HHN. ML:2.3 0.0008811136000000001 0.1024 AML other m 2016-10-30T21:07:16.15
IV.T1247.HHE. ML:2.2 0.00074257435 0.2048 AML other m 2016-10-30T21:07:16.90
IV.TERO.HNE. ML:2.3 0.0007371698 0.192 AML other m 2016-10-30T21:07:17.32
IV.TERO.HHN. ML:2.3 0.0006787240999999999 0.1024 AML other m 2016-10-30T21:07:17.23
IV.TERO.HHE. ML:2.4 0.0008036321 0.192 AML other m 2016-10-30T21:07:17.32
IV.TERO.HNN. ML:2.2 0.00059693615 0.2432 AML other m 2016-10-30T21:07:19.10
IV.VCEL.EHE. ML:2.3 0.0003790367 0.256 AML other m 2016-10-30T21:07:27.30
IV.VCEL.EHN. ML:2.3 0.00032674894999999997 0.2688 AML other m 2016-10-30T21:07:27.09
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