Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-10-2016 and time 22:00:56 (UTC) in region 3 km W Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km W Castelsantangelo sul Nera (MC), on

  • 31-10-2016 22:00:56 (UTC)
  • 31-10-2016 23:00:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8890, 13.1180 at 9 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
Castelsantangelo sul Nera MC 3 281 281
Visso MC 5 1107 1388
Preci PG 7 724 2112
Ussita MC 7 444 2556
Norcia PG 11 4957 7513
Bolognola MC 15 142 7655
Monte Cavallo MC 15 145 7800
Sellano PG 16 1079 8879
Acquacanina MC 16 121 9000
Fiastra MC 17 559 9559
Fiordimonte MC 17 202 9761
Montemonaco AP 17 604 10365
Cerreto di Spoleto PG 18 1075 11440
Pieve Torina MC 18 1458 12898
Montegallo AP 18 523 13421
Montefortino FM 19 1178 14599
Pievebovigliana MC 20 866 15465
Arquata del Tronto AP 20 1178 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
64 Km E of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
98 Km NE 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 2.0 2016-10-31
22:00:56		 42.8892 13.1178 9 2019-02-12
14:03:38		 Bollettino Sismico Italiano INGV 54178441
Reviewed
Rev100 		ML 2.1 2016-10-31
22:00:56		 42.8775 13.1145 10 2016-10-31
22:38:09		 Sala Sismica INGV-Roma 31341661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 22:00:56 ± 0.05
Latitude 42.8892 ± 0.0027
Longitude 13.1178 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54178441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
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) 55
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
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) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.94789
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 54178441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-26 15:28:10

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 31341661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-31 22:38:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2016-10-31T22:01:17.47 0.6 undecidable manual S 336 66.4779 50 0.62 39
IV.CAFI.HHZ. 2016-10-31T22:01:14.50 0.3 undecidable manual P 298 105.2169 50 0.38 59
IV.FOSV.EHZ. 2016-10-31T22:01:13.59 0.6 undecidable manual S 327 53.502 50 0.22 45
IV.SACS.HHZ. 2016-10-31T22:01:13.61 0.6 undecidable manual P 268 98.3238 50 0.55 38
IV.MPAG.EHZ. 2016-10-31T22:01:11.41 0.6 undecidable manual P 341 87.0462 50 0.09 43
IV.NARO.HHZ. 2016-10-31T22:01:11.94 0.3 undecidable manual P 332 91.0422 50 0 65
IV.MNTP.HNZ. 2016-10-31T22:01:11.02 0.6 undecidable manual S 46 39.627 50 1.34 29
IV.ATMI.HHZ. 2016-10-31T22:01:11.34 0.6 undecidable manual P 306 84.6486 50 0.39 41
IV.ASSB.HHZ. 2016-10-31T22:01:10.00 0.6 undecidable manual S 295 40.9257 50 -0.04 48
IV.PIEI.HHZ. 2016-10-31T22:01:10.91 0.3 undecidable manual P 327 85.8474 50 -0.22 63
IV.SNTG.HHZ. 2016-10-31T22:01:10.48 0.6 undecidable manual S 341 43.0236 50 -0.12 47
IV.FRON.EHZ. 2016-10-31T22:01:09.49 0.3 undecidable manual P 336 76.5678 50 -0.22 64
IV.ATVO.HHZ. 2016-10-31T22:01:09.95 0.3 undecidable manual P 314 79.365 50 -0.19 64
IV.ARVD.HHZ. 2016-10-31T22:01:08.56 0.3 undecidable manual P 348 69.0753 50 0.02 68
IV.SSFR.HHZ. 2016-10-31T22:01:08.07 0.1 undecidable manual P 336 66.4779 50 -0.08 90
IV.ATFO.HHZ. 2016-10-31T22:01:08.48 0.1 undecidable manual P 320 68.9754 50 -0.06 90
IV.MURB.HHZ. 2016-10-31T22:01:07.67 0.3 undecidable manual P 311 63.492 50 -0.01 69
IV.SEF1.HNZ. 2016-10-31T22:01:07.23 0.6 undecidable manual S 334 31.746 50 -0.35 45
IV.GUMA.HHZ. 2016-10-31T22:01:06.00 0.6 undecidable manual S 42 26.1516 110 0.1 48
IV.T1241.HNZ. 2016-10-31T22:01:05.46 0.6 undecidable manual S 98 25.752 110 -0.31 46
IV.T1220.EHN. 2016-10-31T22:01:05.17 0.6 undecidable manual S 355 24.6531 111 -0.24 47
IV.OFFI.HHZ. 2016-10-31T22:01:05.68 0.3 undecidable manual P 84 46.4202 50 0.62 61
IV.T1217.EHZ. 2016-10-31T22:01:05.40 0.6 undecidable manual S 218 24.8529 111 -0.08 49
IV.TERO.HHZ. 2016-10-31T22:01:05.09 0.3 undecidable manual P 127 49.4172 50 -0.42 65
IV.EL6.EHZ. 2016-10-31T22:01:05.63 0.3 undecidable manual P 358 48.8178 50 0.2 68
IV.FOSV.EHZ. 2016-10-31T22:01:05.90 0.1 undecidable manual P 327 53.502 50 -0.25 89
IV.ATCC.EHZ. 2016-10-31T22:01:05.62 0.1 positive manual P 310 50.8158 50 -0.11 92
IV.SNTG.HHZ. 2016-10-31T22:01:04.37 0.1 undecidable manual P 341 43.0236 50 -0.17 92
IV.T1221.HNE. 2016-10-31T22:01:04.64 0.6 undecidable manual S 262 22.2555 113 0 50
XO.AM05.EHZ. 2016-10-31T22:01:04.10 0.6 undecidable manual S 63 21.4674 114 -0.29 47
IV.T1215.EHZ. 2016-10-31T22:01:04.56 0.6 undecidable manual S 245 22.4553 113 -0.15 48
IV.CSP1.EHE. 2016-10-31T22:01:04.80 0.3 undecidable manual S 17 23.5542 112 -0.27 70
IV.MNTP.HNZ. 2016-10-31T22:01:04.40 0.3 undecidable manual P 46 39.627 50 0.39 66
IV.ASSB.HHZ. 2016-10-31T22:01:03.94 0.1 positive manual P 295 40.9257 50 -0.28 90
IV.MMO1.EHZ. 2016-10-31T22:01:02.95 0.6 undecidable manual S 86 17.0718 119 -0.06 49
IV.T1243.HHZ. 2016-10-31T22:01:02.81 0.3 undecidable manual P 128 34.3434 50 -0.38 67
IV.CSP1.EHE. 2016-10-31T22:01:02.07 0.3 undecidable manual P 17 23.5542 112 0.72 61
IV.T1256.HHZ. 2016-10-31T22:01:02.51 0.6 undecidable manual S 34 15.6732 121 -0.1 49
IV.FDMO.HHZ. 2016-10-31T22:01:02.61 0.6 undecidable manual S 351 16.5723 120 -0.25 47
IV.SEF1.HNZ. 2016-10-31T22:01:02.46 0.1 undecidable manual P 334 31.746 50 -0.34 91
IV.T1215.EHZ. 2016-10-31T22:01:01.15 0.1 undecidable manual P 245 22.4553 113 0 99
IV.FEMA.HNZ. 2016-10-31T22:01:01.06 0.6 undecidable manual S 326 9.7791 134 0.09 50
IV.T1241.HNZ. 2016-10-31T22:01:01.51 0.1 undecidable manual P 98 25.752 110 -0.25 94
IV.T1220.EHN. 2016-10-31T22:01:01.32 0.1 undecidable manual P 355 24.6531 111 -0.23 94
IV.T1217.EHZ. 2016-10-31T22:01:01.52 0.6 undecidable manual P 218 24.8529 111 -0.06 49
IV.GUMA.HHZ. 2016-10-31T22:01:01.87 0.1 positive manual P 42 26.1516 110 0.04 98
IV.T1221.HNE. 2016-10-31T22:01:01.20 0.1 undecidable manual P 262 22.2555 113 0.1 97
IV.T1216.EHZ. 2016-10-31T22:01:00.56 0.6 undecidable manual S 271 7.9809 139 0.01 51
IV.FDMO.HHZ. 2016-10-31T22:01:00.10 0.1 negative manual P 351 16.5723 120 0.03 99
IV.MMO1.EHZ. 2016-10-31T22:01:00.12 0.1 undecidable manual P 86 17.0718 119 -0.04 99
IV.T1245.HHZ. 2016-10-31T22:01:00.39 0.6 undecidable manual S 122 6.7932 144 0.12 50
IV.NRCA.HHZ. 2016-10-31T22:01:00.09 0.3 undecidable manual S 183 6.1938 147 -0.07 75
XO.AM05.EHZ. 2016-10-31T22:01:00.92 0.1 positive manual P 63 21.4674 114 -0.03 98
IV.FEMA.HNZ. 2016-10-31T22:00:59.20 0.1 undecidable manual P 326 9.7791 134 0.22 97
IV.T1256.HHZ. 2016-10-31T22:00:59.94 0.1 positive manual P 34 15.6732 121 0.01 100
IV.T1245.HHZ. 2016-10-31T22:00:58.80 0.3 undecidable manual P 122 6.7932 144 0.22 73
IV.NRCA.HHZ. 2016-10-31T22:00:58.70 0.1 undecidable manual P 183 6.1938 147 0.19 98
IV.T1216.EHZ. 2016-10-31T22:00:58.96 0.1 positive manual P 271 7.9809 139 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1216.EHN. ML:2.7 0.007662933 0.2432 AML other m 2016-10-31T22:01:00.81
IV.T1216.EHE. ML:2.8 0.009657749500000002 0.3072 AML other m 2016-10-31T22:01:00.72
IV.FEMA.HNE. ML:2.8 0.008964538000000001 0.1024 AML other m 2016-10-31T22:01:01.54
IV.FEMA.HNN. ML:2.7 0.006876963 0.1152 AML other m 2016-10-31T22:01:01.64
IV.T1256.HHN. ML:2.1 0.0012197707499999998 0.1408 AML other m 2016-10-31T22:01:03.57
IV.T1256.HNN. ML:2.1 0.001299646 0.2304 AML other m 2016-10-31T22:01:02.76
IV.T1256.HNE. ML:2.4 0.002510987 0.2432 AML other m 2016-10-31T22:01:02.81
IV.T1256.HHE. ML:2.4 0.0024115545000000004 0.2432 AML other m 2016-10-31T22:01:02.81
IV.FDMO.HHE. ML:2.0 0.0009543053499999999 0.1024 AML other m 2016-10-31T22:01:03.01
IV.FDMO.HHN. ML:2.2 0.001499949 0.2048 AML other m 2016-10-31T22:01:03.40
IV.T1217.HNN. ML:1.9 0.00052708795 0.256 AML other m 2016-10-31T22:01:07.97
IV.T1217.EHN. ML:1.9 0.0005434674999999999 0.256 AML other m 2016-10-31T22:01:07.97
IV.T1217.HNE. ML:1.9 0.00046023349999999995 0.192 AML other m 2016-10-31T22:01:05.69
IV.T1217.EHE. ML:1.9 0.00044333080000000003 0.192 AML other m 2016-10-31T22:01:05.79
XO.AM05.EHN. ML:1.6 0.00024329435 0.0768 AML other m 2016-10-31T22:01:05.12
XO.AM05.HNE. ML:2.0 0.00065077035 0.0896 AML other m 2016-10-31T22:01:04.23
XO.AM05.HNN. ML:1.9 0.0005332315 0.0768 AML other m 2016-10-31T22:01:05.06
XO.AM05.EHE. ML:2.6 0.0025047455000000002 0.064 AML other m 2016-10-31T22:01:04.24
IV.T1215.EHN. ML:1.8 0.00039482613500000003 0.1536 AML other m 2016-10-31T22:01:04.72
IV.T1215.HNN. ML:1.8 0.00042142015 0.1792 AML other m 2016-10-31T22:01:04.72
IV.T1215.EHE. ML:1.8 0.000447518 0.0896 AML other m 2016-10-31T22:01:04.95
IV.T1215.HNE. ML:1.8 0.000423399 0.0896 AML other m 2016-10-31T22:01:04.00
IV.T1241.EHE. ML:2.0 0.00060352315 0.2048 AML other m 2016-10-31T22:01:06.74
IV.T1241.HNE. ML:2.0 0.0006386394999999999 0.2176 AML other m 2016-10-31T22:01:06.85
IV.T1241.HNN. ML:1.9 0.0005095796 0.3968 AML other m 2016-10-31T22:01:07.78
IV.T1241.EHN. ML:1.9 0.0005331973 0.4224 AML other m 2016-10-31T22:01:07.59
IV.GUMA.HNE. ML:2.5 0.0018725435000000001 0.3072 AML other m 2016-10-31T22:01:07.09
IV.GUMA.HHE. ML:2.6 0.002548961 0.2944 AML other m 2016-10-31T22:01:08.77
IV.GUMA.HHN. ML:2.6 0.002220076 0.192 AML other m 2016-10-31T22:01:06.53
IV.GUMA.HNN. ML:2.7 0.0026233399999999996 0.1408 AML other m 2016-10-31T22:01:06.52
IV.SNTG.HHE. ML:1.9 0.00024186865000000001 0.1152 AML other m 2016-10-31T22:01:12.39
IV.SNTG.HNN. ML:1.8 0.00022125725000000002 0.1024 AML other m 2016-10-31T22:01:11.04
IV.SNTG.HHN. ML:1.9 0.00026405115 0.1024 AML other m 2016-10-31T22:01:11.09
IV.SNTG.HNE. ML:1.9 0.0002760137 0.128 AML other m 2016-10-31T22:01:12.39
IV.TERO.HNN. ML:2.0 0.00029379147 0.1152 AML other m 2016-10-31T22:01:12.26
IV.TERO.HNE. ML:2.0 0.000262650325 0.2432 AML other m 2016-10-31T22:01:13.63
IV.TERO.HHE. ML:2.0 0.00028701739999999995 0.2432 AML other m 2016-10-31T22:01:13.51
IV.TERO.HHN. ML:2.1 0.00031988275 0.1152 AML other m 2016-10-31T22:01:12.26
IV.ATCC.EHE. ML:2.2 0.00040560365 0.1152 AML other m 2016-10-31T22:01:14.41
IV.ATCC.EHN. ML:2.0 0.0002540635 0.256 AML other m 2016-10-31T22:01:14.68
IV.OFFI.HHN. ML:2.0 0.00030497870000000004 0.6016 AML other m 2016-10-31T22:01:21.46
IV.OFFI.HHE. ML:2.1 0.00033989904999999997 0.2304 AML other m 2016-10-31T22:01:17.63
IV.FOSV.EHE. ML:2.1 0.0003083977 0.1536 AML other m 2016-10-31T22:01:14.69
IV.FOSV.EHN. ML:2.3 0.00045949155 0.3968 AML other m 2016-10-31T22:01:14.11
IV.MURB.HHN. ML:2.4 0.00044140449999999996 0.2176 AML other m 2016-10-31T22:01:18.55
IV.MURB.HNE. ML:2.4 0.00043606325 0.2176 AML other m 2016-10-31T22:01:20.84
IV.MURB.HNN. ML:2.4 0.00046165389999999995 0.4224 AML other m 2016-10-31T22:01:19.26
IV.MURB.HHE. ML:2.5 0.0005476927499999999 0.3456 AML other m 2016-10-31T22:01:17.75
IV.SSFR.HHE. ML:2.3 0.00036078244999999997 0.1408 AML other m 2016-10-31T22:01:18.71
IV.SSFR.HNN. ML:2.4 0.0005051822 0.128 AML other m 2016-10-31T22:01:19.16
IV.SSFR.HNE. ML:2.4 0.00045565334999999994 0.2176 AML other m 2016-10-31T22:01:18.72
IV.SSFR.HHN. ML:2.3 0.00037420490000000003 0.2432 AML other m 2016-10-31T22:01:19.23
IV.ATFO.HHE. ML:1.8 0.00010909236 0.2816 AML other m 2016-10-31T22:01:19.54
IV.ATFO.HHN. ML:1.6 0.000066067815 0.1408 AML other m 2016-10-31T22:01:19.49
IV.ARVD.HHN. ML:1.6 0.00007642591499999999 0.0768 AML other m 2016-10-31T22:01:19.18
IV.ARVD.HHE. ML:1.9 0.0001345315 0.1024 AML other m 2016-10-31T22:01:19.89
IV.ATTE.HHN. ML:1.6 0.00006175104500000001 0.1792 AML other m 2016-10-31T22:01:20.08
IV.ATTE.HHE. ML:1.5 0.000054667145 0.4608 AML other m 2016-10-31T22:01:23.14
IV.FRON.EHN. ML:2.1 0.00020538355000000003 0.1408 AML other m 2016-10-31T22:01:20.60
IV.FRON.EHE. ML:2.1 0.00019969125 0.1408 AML other m 2016-10-31T22:01:20.55
IV.ATVO.HHN. ML:1.7 0.00006322503000000001 0.32 AML other m 2016-10-31T22:01:21.36
IV.ATVO.HHE. ML:1.7 0.00007216843000000001 0.2816 AML other m 2016-10-31T22:01:23.99
IV.PIEI.HHE. ML:1.8 0.00008526111999999999 0.256 AML other m 2016-10-31T22:01:28.76
IV.PIEI.HHN. ML:1.7 0.000058742514999999996 0.1408 AML other m 2016-10-31T22:01:23.92
IV.ATMI.HHE. ML:2.2 0.00020806744999999998 0.32 AML other m 2016-10-31T22:01:25.88
IV.ATMI.HHN. ML:2.1 0.000154719 0.448 AML other m 2016-10-31T22:01:25.68
IV.MPAG.EHE. ML:2.0 0.000117332685 0.2432 AML other m 2016-10-31T22:01:24.70
IV.MPAG.EHN. ML:1.9 0.00010644349999999999 0.256 AML other m 2016-10-31T22:01:24.56
IV.NARO.HHE. ML:1.4 0.000032191095000000004 0.2432 AML other m 2016-10-31T22:01:30.32
IV.NARO.HHN. ML:1.5 0.000034002025000000006 0.1536 AML other m 2016-10-31T22:01:28.04
IV.CAFI.HHE. ML:1.7 0.000044319385 0.512 AML other m 2016-10-31T22:01:34.52
IV.CAFI.HHN. ML:1.4 0.000026427463 0.32 AML other m 2016-10-31T22:01:30.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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