Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-10-2016 and time 17:43:06 (UTC) in region 2 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 2.1 earthquake occured in region: 2 km SW Castelsantangelo sul Nera (MC), on

  • 17-10-2016 17:43:06 (UTC)
  • 17-10-2016 19:43:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 13.1390 at 9 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
Castelsantangelo sul Nera MC 2 281 281
Visso MC 7 1107 1388
Ussita MC 7 444 1832
Preci PG 8 724 2556
Norcia PG 11 4957 7513
Bolognola MC 15 142 7655
Montemonaco AP 16 604 8259
Montegallo AP 16 523 8782
Monte Cavallo MC 17 145 8927
Acquacanina MC 17 121 9048
Sellano PG 17 1079 10127
Fiastra MC 17 559 10686
Arquata del Tronto AP 18 1178 11864
Fiordimonte MC 18 202 12066
Montefortino FM 18 1178 13244
Cerreto di Spoleto PG 19 1075 14319
Pieve Torina MC 20 1458 15777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
52 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 inhabitants)
99 Km W of Pescara (121014 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 2.1 2016-10-17
17:43:06		 42.8815 13.1393 9 2016-10-17
18:02:58		 Sala Sismica INGV-Roma 30307351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-17 17:43:06 ± 0.03
Latitude 42.8815 ± 0.0018
Longitude 13.1393 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30307351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.33999
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 35
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 30307351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-17 18:02:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IST3.HHZ. 2016-10-17T17:44:48.99 3.0 undecidable manual Sg 6.75 0
IV.LEOD.HNZ. 2016-10-17T17:44:45.99 3.0 undecidable manual Sn 7.21 0
IV.MILN.HNZ. 2016-10-17T17:44:11.23 3.0 undecidable manual Pg 10.3 0
IV.TDS.HHZ. 2016-10-17T17:43:58.07 3.0 undecidable manual Pg 5.07 0
CR.STON.BHZ. 2016-10-17T17:43:46.40 3.0 undecidable manual Pn -3.25 0
IV.VENL.HNZ. 2016-10-17T17:43:42.49 3.0 positive manual Pn -3.11 0
IV.IMOL.HNZ. 2016-10-17T17:43:33.10 3.0 positive manual Pn -0.78 0
IV.RNI2.HHZ. 2016-10-17T17:43:28.99 3.0 undecidable manual S -2.26 0
IV.CAFI.HHZ. 2016-10-17T17:43:25.41 1.0 negative manual P 298 107.2149 50 0.47 19
IV.ATCC.EHZ. 2016-10-17T17:43:24.14 0.6 undecidable manual S 310 52.7028 50 0.46 42
TV.SF04.EHZ. 2016-10-17T17:43:23.45 3.0 negative manual P 3.75 0
IV.FSSB.HHZ. 2016-10-17T17:43:23.32 3.0 positive manual P 148.74 1.67 0
IV.EL6.EHZ. 2016-10-17T17:43:23.40 0.6 undecidable manual S 356 49.8168 50 0.5 42
IV.T1211.EHZ. 2016-10-17T17:43:22.07 1.0 undecidable manual S 211 45.1215 50 0.42 21
IV.NARO.HHZ. 2016-10-17T17:43:22.65 3.0 undecidable manual P 1.55 0
IV.MPAG.EHZ. 2016-10-17T17:43:22.46 0.6 undecidable manual P 340 88.4448 50 0.41 40
IV.TERO.HHZ. 2016-10-17T17:43:22.47 0.1 undecidable manual S 127 47.5191 50 0.18 90
IV.ATPI.EHZ. 2016-10-17T17:43:22.04 1.0 undecidable manual P 317 86.8464 50 0.23 21
IV.PIEI.HHZ. 2016-10-17T17:43:21.92 0.6 undecidable manual P 326 87.4458 50 0.02 43
IV.CAMP.HHZ. 2016-10-17T17:43:21.35 0.6 undecidable manual S 150 44.2224 50 -0.06 46
IV.SNTG.HHZ. 2016-10-17T17:43:21.35 0.6 undecidable manual S 339 44.4222 50 -0.13 46
IV.FRON.EHZ. 2016-10-17T17:43:20.55 0.6 undecidable manual P 335 78.0663 50 0.09 43
IV.VCEL.EHZ. 2016-10-17T17:43:20.69 0.6 undecidable manual P 133 78.6657 50 0.14 43
IV.ATVO.HHZ. 2016-10-17T17:43:20.87 0.6 positive manual P 313 81.252 50 -0.07 43
IV.ARVD.HHZ. 2016-10-17T17:43:19.20 0.6 undecidable manual P 347 70.2741 50 -0.05 44
IV.ATFO.HHZ. 2016-10-17T17:43:19.36 0.1 undecidable manual P 320 70.7736 50 0.03 89
IV.SMA1.EHZ. 2016-10-17T17:43:18.03 0.6 undecidable manual S 150 32.0457 50 -0.15 46
IV.MURB.HHZ. 2016-10-17T17:43:18.48 0.1 undecidable manual P 311 65.3901 50 -0.01 90
IV.T1243.HHZ. 2016-10-17T17:43:18.08 0.3 undecidable manual S 129 32.4453 50 -0.2 69
IV.LNSS.HHZ. 2016-10-17T17:43:17.95 0.6 undecidable manual S 195 31.9458 50 -0.19 46
IV.GUMA.HHZ. 2016-10-17T17:43:16.43 0.6 undecidable manual S 38 25.6521 110 0.17 47
IV.ATCC.EHZ. 2016-10-17T17:43:16.44 0.1 positive manual P 310 52.7028 50 -0.1 91
IV.T1217.EHZ. 2016-10-17T17:43:16.27 0.1 undecidable manual S 222 25.3524 110 0.12 95
IV.CESX.HHZ. 2016-10-17T17:43:16.65 0.1 undecidable manual P 236 54.3012 50 -0.13 90
IV.T1204.EHZ. 2016-10-17T17:43:16.88 0.3 undecidable manual S 148 26.9508 109 0.18 70
IV.OFFI.HHZ. 2016-10-17T17:43:16.03 0.3 undecidable manual P 82 44.8218 50 0.71 58
IV.TERO.HHZ. 2016-10-17T17:43:15.38 0.1 undecidable manual P 127 47.5191 50 -0.36 86
IV.CESI.HHZ. 2016-10-17T17:43:15.48 0.6 undecidable manual S 306 23.4543 112 -0.08 48
IV.EL6.EHZ. 2016-10-17T17:43:15.84 0.3 undecidable manual P 356 49.8168 50 -0.25 66
IV.T1211.EHZ. 2016-10-17T17:43:15.48 0.3 undecidable manual P 211 45.1215 50 0.11 69
IV.T1215.EHZ. 2016-10-17T17:43:15.72 0.6 undecidable manual S 248 23.754 112 0.07 48
IV.ARRO.EHZ. 2016-10-17T17:43:15.37 0.1 undecidable manual P 222 45.3213 50 -0.03 93
IV.T1202.EHZ. 2016-10-17T17:43:15.26 0.3 undecidable manual S 161 20.9679 114 0.51 66
XO.AM05.EHZ. 2016-10-17T17:43:14.44 0.6 undecidable manual S 58 20.3685 115 -0.12 48
IV.SNTG.HHZ. 2016-10-17T17:43:14.88 0.6 undecidable manual P 339 44.4222 50 -0.39 43
IV.CAMP.HHZ. 2016-10-17T17:43:14.96 0.1 undecidable manual P 150 44.2224 50 -0.27 89
IV.T1241.HNZ. 2016-10-17T17:43:13.01 3.0 positive manual P 2.73 0
IV.SMA1.EHZ. 2016-10-17T17:43:13.22 0.3 undecidable manual P 150 32.0457 50 -0.15 70
IV.MMO1.EHZ. 2016-10-17T17:43:13.08 0.6 undecidable manual S 83 15.3735 121 0.05 49
IV.LNSS.HHZ. 2016-10-17T17:43:13.17 0.1 undecidable manual P 195 31.9458 50 -0.17 93
IV.T1243.HHZ. 2016-10-17T17:43:13.10 0.3 undecidable manual P 129 32.4453 50 -0.32 67
IV.GUMA.HHZ. 2016-10-17T17:43:12.32 0.1 positive manual P 38 25.6521 110 0.07 96
IV.T1217.EHZ. 2016-10-17T17:43:12.22 0.1 positive manual P 222 25.3524 110 0.02 96
IV.T1204.EHZ. 2016-10-17T17:43:12.52 0.1 undecidable manual P 148 26.9508 109 0.01 96
IV.T1202.EHZ. 2016-10-17T17:43:11.55 0.1 undecidable manual P 161 20.9679 114 0.17 94
XO.AM05.EHZ. 2016-10-17T17:43:11.30 0.1 positive manual P 58 20.3685 115 0.03 97
IV.T1216.EHZ. 2016-10-17T17:43:11.40 0.6 undecidable manual S 276 9.879 134 -0.11 49
IV.CESI.HHZ. 2016-10-17T17:43:11.74 0.1 positive manual P 306 23.4543 112 -0.11 95
IV.FEMA.HNZ. 2016-10-17T17:43:11.78 0.6 undecidable manual S 321 11.5773 129 -0.17 48
IV.T1215.EHZ. 2016-10-17T17:43:11.92 0.1 positive manual P 248 23.754 112 0.02 97
IV.MC2.EHZ. 2016-10-17T17:43:10.13 0.6 undecidable manual S 50 5.1948 151 -0.38 46
IV.MMO1.EHZ. 2016-10-17T17:43:10.40 0.1 positive manual P 83 15.3735 121 0.01 98
IV.NRCA.HHZ. 2016-10-17T17:43:10.27 0.6 undecidable manual S 201 5.6943 149 -0.33 47
IV.T1245.HNZ. 2016-10-17T17:43:10.25 0.6 undecidable manual S 125 4.7952 153 -0.2 48
IV.FEMA.HNZ. 2016-10-17T17:43:09.79 0.1 undecidable manual P 321 11.5773 129 0.02 99
IV.NRCA.HHZ. 2016-10-17T17:43:09.04 0.1 positive manual P 201 5.6943 149 0.05 99
IV.T1216.EHZ. 2016-10-17T17:43:09.60 0.1 positive manual P 276 9.879 134 0.09 98
IV.MC2.EHZ. 2016-10-17T17:43:08.92 0.1 positive manual P 50 5.1948 151 -0.02 100
IV.T1245.HNZ. 2016-10-17T17:43:08.93 0.1 positive manual P 125 4.7952 153 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:2.2 0.0012549999999999998 0.26 AML other m 2016-10-17T17:43:16.04
XO.AM05.HNN. ML:1.7 0.000395 0.26 AML other m 2016-10-17T17:43:16.05
XO.AM05.EHN. ML:2.3 0.001405 1.56 AML other m 2016-10-17T17:43:17.48
XO.AM05.HNE. ML:1.6 0.00027400000000000005 0.38 AML other m 2016-10-17T17:43:17.67
IV.ARVD.HHN. ML:1.5 0.00005375 1.58 AML other m 2016-10-17T17:43:31.39
IV.ARVD.HHE. ML:1.6 0.0000649 0.96 AML other m 2016-10-17T17:43:30.86
IV.ATCC.EHE. ML:2.2 0.00041600000000000003 0.14 AML other m 2016-10-17T17:43:24.49
IV.ATCC.EHN. ML:2.0 0.0002535 0.9 AML other m 2016-10-17T17:43:24.51
IV.ATFO.HHN. ML:1.7 0.00007335 0.44 AML other m 2016-10-17T17:43:31.42
IV.ATFO.HHE. ML:1.8 0.00010105 1.16 AML other m 2016-10-17T17:43:33.95
IV.ATVO.HHN. ML:1.6 0.00005165 0.24 AML other m 2016-10-17T17:43:33.19
IV.ATVO.HHE. ML:1.7 0.00006815 0.3 AML other m 2016-10-17T17:43:32.68
IV.CESI.HHN. ML:2.6 0.00249 0.24 AML other m 2016-10-17T17:43:15.86
IV.CESI.HHE. ML:2.3 0.001289 0.44 AML other m 2016-10-17T17:43:15.86
IV.EL6.EHN. ML:2.1 0.0003534999999999999 0.2 AML other m 2016-10-17T17:43:25.08
IV.EL6.EHE. ML:2.0 0.0002685 0.42 AML other m 2016-10-17T17:43:28.82
IV.FEMA.HNE. ML:2.6 0.0051400000000000005 0.18 AML other m 2016-10-17T17:43:11.90
IV.FEMA.HNN. ML:2.5 0.003635 0.86 AML other m 2016-10-17T17:43:12.44
IV.FSSB.HHE. ML:2.1 0.0001475 0.32 AML other m 2016-10-17T17:43:42.22
IV.FSSB.HHN. ML:2.2 0.000192 0.36 AML other m 2016-10-17T17:43:43.66
IV.GUMA.HHE. ML:2.6 0.0023799999999999997 1.32 AML other m 2016-10-17T17:43:18.90
IV.GUMA.HNE. ML:2.5 0.001935 0.54 AML other m 2016-10-17T17:43:19.57
IV.GUMA.HHN. ML:2.6 0.002385 0.56 AML other m 2016-10-17T17:43:16.96
IV.GUMA.HNN. ML:2.6 0.00263 0.26 AML other m 2016-10-17T17:43:16.97
IV.MURB.HHE. ML:2.4 0.0004195 0.22 AML other m 2016-10-17T17:43:31.48
IV.MURB.HHN. ML:2.4 0.00043 0.22 AML other m 2016-10-17T17:43:31.32
IV.NARO.HHN. ML:1.4 0.000027450000000000003 1.4 AML other m 2016-10-17T17:43:41.62
IV.NARO.HHE. ML:1.4 0.0000312 0.88 AML other m 2016-10-17T17:43:41.60
IV.NRCA.HNE. ML:2.9 0.01325 0.2 AML other m 2016-10-17T17:43:10.40
IV.NRCA.HHE. ML:2.9 0.0144 0.2 AML other m 2016-10-17T17:43:10.40
IV.NRCA.HNN. ML:2.8 0.0114 0.14 AML other m 2016-10-17T17:43:10.86
IV.NRCA.HHN. ML:2.9 0.0125 0.14 AML other m 2016-10-17T17:43:10.86
IV.OFFI.HHE. ML:2.1 0.0003795 0.4 AML other m 2016-10-17T17:43:32.14
IV.OFFI.HHN. ML:2.0 0.0003345 0.54 AML other m 2016-10-17T17:43:32.16
IV.PIEI.HHE. ML:1.7 0.0000615 0.3 AML other m 2016-10-17T17:43:36.37
IV.PIEI.HHN. ML:1.5 0.000038150000000000006 0.56 AML other m 2016-10-17T17:43:38.10
IV.SNTG.HHE. ML:1.6 0.00013450000000000002 0.56 AML other m 2016-10-17T17:43:22.25
IV.SNTG.HHN. ML:1.7 0.00015000000000000001 0.46 AML other m 2016-10-17T17:43:23.60
IV.T1215.HNN. ML:2.1 0.0008165 0.34 AML other m 2016-10-17T17:43:16.44
IV.T1215.HNE. ML:2.0 0.0006594999999999999 1.1 AML other m 2016-10-17T17:43:16.83
IV.T1216.EHE. ML:2.6 0.005465 0.3 AML other m 2016-10-17T17:43:12.35
IV.T1216.EHN. ML:2.6 0.0049299999999999995 0.24 AML other m 2016-10-17T17:43:12.98
IV.T1241.HNN. ML:2.0 0.0005875 0.44 AML other m 2016-10-17T17:43:16.92
IV.T1241.HNE. ML:2.2 0.0009465 0.36 AML other m 2016-10-17T17:43:18.02
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