Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 30-10-2016 and time 22:08:56 (Italy) in region 8 km W Accumoli (RI)

A magnitude ML 2.5 earthquake occured in region: 8 km W Accumoli (RI), on

  • 30-10-2016 21:08:56 (UTC)
  • 30-10-2016 22:08:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7060, 13.1520 at 11 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 10 482 1149
Norcia PG 11 4957 6106
Cascia PG 11 3217 9323
Amatrice RI 14 2657 11980
Arquata del Tronto AP 14 1178 13158
Monteleone di Spoleto PG 17 599 13757
Poggiodomo PG 18 117 13874

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)
86 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 2.5 2016-10-30
21:08:56		 42.7058 13.1518 11 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47046011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 21:08:56 ± 0.05
Latitude 42.7058 ± 0.0036
Longitude 13.1518 ± 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 47046011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 279
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 1.14933
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 47046011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 23:50:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2016-10-30T21:09:18.41 1.0 undecidable manual P 176 127.5723 50 1.21 13
IV.LPEL.HHZ. 2016-10-30T21:09:14.47 0.6 undecidable manual P 131 111.6993 50 -0.29 39
IV.ATPI.EHZ. 2016-10-30T21:09:14.02 0.3 undecidable manual P 324 102.5196 50 0.68 52
IV.SACS.HHZ. 2016-10-30T21:09:13.91 1.0 undecidable manual P 279 102.4197 50 0.59 18
IV.CESX.HHZ. 2016-10-30T21:09:12.20 0.6 undecidable manual S 257 47.3193 50 0.99 32
IV.FIAM.HHZ. 2016-10-30T21:09:11.59 0.6 undecidable manual S 183 48.618 50 0.03 46
IV.PP3.EHZ. 2016-10-30T21:09:11.38 0.6 undecidable manual P 26 83.25 50 1.02 32
IV.MGAB.HHZ. 2016-10-30T21:09:11.60 0.6 undecidable manual P 286 87.6456 50 0.56 37
IV.GIGS.HHZ. 2016-10-30T21:09:10.00 0.6 undecidable manual S 129 44.3223 50 -0.42 43
IV.GUMA.HNN. 2016-10-30T21:09:10.66 0.3 undecidable manual S 21 42.3243 50 0.79 58
IV.CERT.HHZ. 2016-10-30T21:09:10.66 0.6 undecidable manual P 189 85.1481 50 0 43
IV.SRES.HHZ. 2016-10-30T21:09:09.05 0.3 undecidable manual P 225 73.9704 50 0.12 64
IV.VCEL.EHZ. 2016-10-30T21:09:08.05 0.3 undecidable manual P 121 66.0894 50 0.34 64
IV.T0110.HHZ. 2016-10-30T21:09:08.70 0.3 undecidable manual P 136 73.4709 50 -0.16 65
IV.TRTR.HHZ. 2016-10-30T21:09:08.33 0.1 undecidable manual P 79 63.0924 50 1.07 65
IV.TERO.HHZ. 2016-10-30T21:09:08.39 0.6 undecidable manual S 104 38.0286 50 -0.34 44
IV.T1247.HHZ. 2016-10-30T21:09:07.23 0.6 undecidable manual S 158 31.6461 50 0.19 46
IV.FAGN.HHZ. 2016-10-30T21:09:07.09 0.6 undecidable manual P 144 60.2952 50 0.27 43
XO.AM05.HNZ. 2016-10-30T21:09:07.94 0.6 undecidable manual S 28 34.2435 50 0.21 47
IV.T1241.HNN. 2016-10-30T21:09:06.06 0.6 undecidable manual S 54 28.2495 50 -0.05 48
IV.T1246.HHN. 2016-10-30T21:09:06.48 0.6 undecidable manual S 116 30.9468 50 -0.37 45
IV.T1211.EHZ. 2016-10-30T21:09:06.63 0.6 undecidable manual S 232 30.9468 50 -0.19 48
IV.OFFI.HHZ. 2016-10-30T21:09:06.02 0.1 undecidable manual P 59 50.3163 50 0.73 78
IV.CAMP.HHZ. 2016-10-30T21:09:05.84 0.6 undecidable manual S 132 28.2495 50 -0.27 46
IV.MMO1.EHN. 2016-10-30T21:09:05.13 0.6 undecidable manual S 34 25.752 50 -0.32 45
IV.RM33.HNZ. 2016-10-30T21:09:04.53 0.6 undecidable manual S 167 22.4553 50 -0.04 49
MN.AQU.HHZ. 2016-10-30T21:09:04.37 0.3 undecidable manual P 152 44.2224 50 0.02 70
IV.T1243.HHZ. 2016-10-30T21:09:04.78 0.6 undecidable manual S 92 24.1536 50 -0.26 46
IV.GUMA.HNN. 2016-10-30T21:09:04.33 0.1 undecidable manual P 21 42.3243 50 0.28 90
IV.FIAM.HHZ. 2016-10-30T21:09:04.83 0.1 undecidable manual P 183 48.618 50 -0.21 92
IV.CESX.HHZ. 2016-10-30T21:09:04.51 0.3 undecidable manual P 257 47.3193 50 -0.32 68
IV.T1216.EHZ. 2016-10-30T21:09:04.16 0.6 undecidable manual S 332 23.1546 50 -0.61 44
XO.AM05.HNZ. 2016-10-30T21:09:03.00 0.3 undecidable manual P 28 34.2435 50 0.18 70
IV.TERO.HHZ. 2016-10-30T21:09:03.07 0.1 undecidable manual P 104 38.0286 50 -0.32 89
IV.GIGS.HHZ. 2016-10-30T21:09:03.97 0.1 undecidable manual P 129 44.3223 50 -0.4 87
IV.SMA1.EHZ. 2016-10-30T21:09:03.27 0.6 undecidable manual S 119 17.1717 50 0.12 49
IV.LNSS.HHZ. 2016-10-30T21:09:02.32 0.3 undecidable manual S 219 14.5743 127 -0.14 75
IV.T1211.EHZ. 2016-10-30T21:09:02.09 0.1 positive manual P 232 30.9468 50 -0.2 95
IV.T1204.EHZ. 2016-10-30T21:09:02.40 0.6 undecidable manual S 104 13.875 129 0.15 49
IV.T1247.HHZ. 2016-10-30T21:09:02.35 0.1 undecidable manual P 158 31.6461 50 -0.06 97
IV.T1245.HNZ. 2016-10-30T21:09:02.74 0.6 undecidable manual S 10 16.9719 50 -0.37 46
IV.T1217.EHZ. 2016-10-30T21:09:02.94 0.6 undecidable manual S 272 17.9709 50 -0.44 47
IV.ARRO.EHZ. 2016-10-30T21:09:02.63 0.1 undecidable manual P 246 34.5432 50 -0.22 95
IV.T1299.HNN. 2016-10-30T21:09:02.18 0.6 undecidable manual S 127 13.2756 130 0.08 50
IV.T1246.HHN. 2016-10-30T21:09:02.13 0.1 undecidable manual P 116 30.9468 50 -0.18 94
IV.MMO1.EHN. 2016-10-30T21:09:01.32 0.1 undecidable manual P 34 25.752 50 -0.18 94
IV.T1241.HNN. 2016-10-30T21:09:01.65 0.6 undecidable manual P 54 28.2495 50 -0.23 46
IV.T1243.HHZ. 2016-10-30T21:09:01.00 0.1 undecidable manual P 92 24.1536 50 -0.26 93
IV.T1201.HNN. 2016-10-30T21:09:01.35 0.6 undecidable manual S 124 9.6792 139 0.15 49
IV.CAMP.HHZ. 2016-10-30T21:09:01.70 0.1 undecidable manual P 132 28.2495 50 -0.18 94
IV.SMA1.EHZ. 2016-10-30T21:09:00.21 0.1 undecidable manual P 119 17.1717 50 0.03 99
IV.T1216.EHZ. 2016-10-30T21:09:00.79 0.1 undecidable manual P 332 23.1546 50 -0.32 93
IV.RM33.HNZ. 2016-10-30T21:09:00.96 0.1 undecidable manual P 167 22.4553 50 -0.03 98
IV.T1217.EHZ. 2016-10-30T21:09:00.12 0.1 positive manual P 272 17.9709 50 -0.19 98
IV.T1299.HNN. 2016-10-30T21:08:59.66 0.1 undecidable manual P 127 13.2756 130 0.09 99
IV.T1201.HNN. 2016-10-30T21:08:59.24 0.1 undecidable manual P 124 9.6792 139 0.19 97
IV.LNSS.HHZ. 2016-10-30T21:08:59.78 0.1 undecidable manual P 219 14.5743 127 0 98
IV.T1204.EHZ. 2016-10-30T21:08:59.69 0.1 undecidable manual P 104 13.875 129 0.03 100
IV.T1245.HNZ. 2016-10-30T21:08:59.91 0.1 undecidable manual P 10 16.9719 50 -0.24 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLN. ML:2.3 0.00059709345 0.128 AML other m 2016-10-30T21:09:11.77
MN.AQU.HHN. ML:2.3 0.00060815805 0.128 AML other m 2016-10-30T21:09:11.77
MN.AQU.HLE. ML:2.3 0.000619753 0.2944 AML other m 2016-10-30T21:09:12.77
MN.AQU.HHE. ML:2.3 0.0006170438 0.32 AML other m 2016-10-30T21:09:12.92
IV.ARRO.EHE. ML:2.4 0.0010801622499999998 0.1792 AML other m 2016-10-30T21:09:09.40
IV.ARRO.EHN. ML:2.4 0.0010136829 0.1408 AML other m 2016-10-30T21:09:10.14
IV.ATPI.EHN. ML:2.0 0.00010499554999999999 0.4608 AML other m 2016-10-30T21:09:29.79
IV.ATPI.EHE. ML:2.1 0.00011320104999999999 0.3968 AML other m 2016-10-30T21:09:32.05
IV.CAMP.HHE. ML:2.3 0.0010660270999999998 0.256 AML other m 2016-10-30T21:09:06.15
IV.CAMP.HHN. ML:2.3 0.000969411 0.2176 AML other m 2016-10-30T21:09:06.79
IV.CERT.HHE. ML:2.3 0.0002460117 0.2816 AML other m 2016-10-30T21:09:28.00
IV.CERT.HHN. ML:2.1 0.00015607499999999999 0.4096 AML other m 2016-10-30T21:09:28.04
IV.CESX.HHN. ML:2.4 0.0006798222 0.256 AML other m 2016-10-30T21:09:12.44
IV.CESX.HHE. ML:2.5 0.0008120803999999999 0.1792 AML other m 2016-10-30T21:09:13.08
IV.FAGN.HHE. ML:2.8 0.00132007435 0.2688 AML other m 2016-10-30T21:09:18.21
IV.FAGN.HHN. ML:2.6 0.0009409417 0.2816 AML other m 2016-10-30T21:09:17.26
IV.FIAM.HHN. ML:2.4 0.0007809816 0.3584 AML other m 2016-10-30T21:09:12.76
IV.FIAM.HHE. ML:2.6 0.0011873105 0.1792 AML other m 2016-10-30T21:09:12.03
IV.GIGS.HHN. ML:2.1 0.0003514795 0.1152 AML other m 2016-10-30T21:09:10.50
IV.GIGS.HHE. ML:2.1 0.00035656805000000005 0.32 AML other m 2016-10-30T21:09:10.34
IV.LPEL.HHN. ML:2.3 0.0001813983 0.2816 AML other m 2016-10-30T21:09:32.10
IV.LPEL.HHE. ML:2.3 0.0001500658 0.1792 AML other m 2016-10-30T21:09:30.64
IV.MGAB.HHE. ML:2.6 0.0004681131 0.4992 AML other m 2016-10-30T21:09:31.24
IV.MGAB.HNN. ML:2.4 0.00031534035 0.3456 AML other m 2016-10-30T21:09:30.09
IV.MGAB.HHN. ML:2.5 0.0003453794 0.3584 AML other m 2016-10-30T21:09:30.09
IV.MGAB.HNE. ML:2.6 0.00044695229999999997 0.5248 AML other m 2016-10-30T21:09:30.00
IV.OFFI.HHN. ML:2.7 0.001338776 0.448 AML other m 2016-10-30T21:09:18.86
IV.OFFI.HHE. ML:2.7 0.001252915 0.2944 AML other m 2016-10-30T21:09:16.78
IV.PP3.HNN. ML:3.0 0.0013338781000000002 0.4352 AML other m 2016-10-30T21:09:25.47
IV.PP3.HNE. ML:2.7 0.00063708505 0.5504 AML other m 2016-10-30T21:09:25.11
IV.PP3.EHE. ML:2.7 0.0007335595999999999 0.5888 AML other m 2016-10-30T21:09:25.41
IV.PP3.EHN. ML:3.0 0.0012155551 0.4096 AML other m 2016-10-30T21:09:25.47
IV.RM33.HNE. ML:2.7 0.0033752689999999998 0.1152 AML other m 2016-10-30T21:09:05.36
IV.RM33.EHE. ML:2.7 0.003273156 0.128 AML other m 2016-10-30T21:09:05.38
IV.RM33.EHN. ML:2.7 0.0034781474999999997 0.1152 AML other m 2016-10-30T21:09:04.81
IV.RM33.HNN. ML:2.7 0.003390101 0.128 AML other m 2016-10-30T21:09:04.81
IV.SACS.HHE. ML:2.1 0.000127983775 0.4992 AML other m 2016-10-30T21:09:32.73
IV.SACS.HHN. ML:2.1 0.00013228725 0.5376 AML other m 2016-10-30T21:09:32.49
IV.SACS.HNE. ML:2.1 0.00013019467500000002 0.4992 AML other m 2016-10-30T21:09:32.73
IV.SACS.HNN. ML:2.1 0.00011001747 0.5376 AML other m 2016-10-30T21:09:32.49
IV.SMA1.EHN. ML:2.7 0.003950538 0.3456 AML other m 2016-10-30T21:09:03.59
IV.SMA1.EHE. ML:2.6 0.0034139670000000004 0.1664 AML other m 2016-10-30T21:09:04.42
IV.SRES.HHN. ML:2.1 0.0001768267 0.3072 AML other m 2016-10-30T21:09:20.88
IV.SRES.HHE. ML:2.2 0.00021428835 0.2048 AML other m 2016-10-30T21:09:21.65
IV.T0110.HHN. ML:2.6 0.0005912535000000001 0.192 AML other m 2016-10-30T21:09:21.83
IV.T0110.HHE. ML:2.6 0.00061094315 0.384 AML other m 2016-10-30T21:09:23.86
IV.T1204.EHN. ML:2.4 0.002517994 0.1792 AML other m 2016-10-30T21:09:03.62
IV.T1204.EHE. ML:2.5 0.0033395254999999996 0.2176 AML other m 2016-10-30T21:09:03.60
IV.T1217.HNE. ML:2.6 0.0035735655 0.1664 AML other m 2016-10-30T21:09:03.28
IV.T1217.HNN. ML:3.0 0.0072796435 0.192 AML other m 2016-10-30T21:09:03.15
IV.T1217.EHE. ML:2.6 0.0035525805 0.1664 AML other m 2016-10-30T21:09:03.28
IV.T1217.EHN. ML:3.0 0.007140833 0.192 AML other m 2016-10-30T21:09:03.24
IV.T1247.HHE. ML:2.8 0.0026006895 0.1024 AML other m 2016-10-30T21:09:09.30
IV.T1247.HHN. ML:2.7 0.0022009435 0.128 AML other m 2016-10-30T21:09:09.96
IV.TERO.HNE. ML:2.3 0.00071548145 0.1408 AML other m 2016-10-30T21:09:09.50
IV.TERO.HHE. ML:2.3 0.0007824185000000001 0.1408 AML other m 2016-10-30T21:09:09.43
IV.TERO.HNN. ML:2.4 0.0008777097000000001 0.1536 AML other m 2016-10-30T21:09:09.59
IV.TERO.HHN. ML:2.4 0.0009839168 0.1536 AML other m 2016-10-30T21:09:09.59
IV.TRTR.HHN. ML:2.6 0.00072972275 0.32 AML other m 2016-10-30T21:09:24.71
IV.TRTR.HHE. ML:2.7 0.0009385180500000001 0.5504 AML other m 2016-10-30T21:09:30.79
IV.VCEL.EHN. ML:2.7 0.00091593005 0.1408 AML other m 2016-10-30T21:09:18.82
IV.VCEL.EHE. ML:2.7 0.00089554535 0.256 AML other m 2016-10-30T21:09:19.37
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