Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 01-11-2016 and time 00:20:24 (Italy) in region 6 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 6 km NW Accumoli (RI), on

  • 31-10-2016 23:20:24 (UTC)
  • 01-11-2016 00:20:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7300, 13.1920 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 6 667 667
Arquata del Tronto AP 10 1178 1845
Norcia PG 11 4957 6802
Cittareale RI 13 482 7284
Amatrice RI 14 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
48 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
96 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 2.0 2016-10-31
23:20:24		 42.7303 13.1917 10 2019-02-12
14:03:42		 Bollettino Sismico Italiano INGV 55872491
Reviewed
Rev100 		ML 2.3 2016-10-31
23:20:24		 42.7297 13.1898 10 2016-10-31
23:31:37		 Sala Sismica INGV-Roma 31348951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 23:20:24 ± 0.04
Latitude 42.7303 ± 0.0027
Longitude 13.1917 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55872491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
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) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 1.07649
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 71
Type of magnitude ML
Reference to an origin 55872491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-20 14:10:23

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 31348951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-31 23:31:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2016-10-31T23:20:47.20 0.6 undecidable manual S 331 71.6727 50 0.77 37
IV.CAFI.HHZ. 2016-10-31T23:20:45.74 0.6 undecidable manual P 304 119.4915 50 1.16 28
IV.FSSB.HHZ. 2016-10-31T23:20:43.94 0.6 undecidable manual P 343 111.8991 50 0.53 38
IV.FIAM.HHZ. 2016-10-31T23:20:41.02 0.6 undecidable manual S 187 51.6039 50 -0.05 47
IV.MGAB.HHZ. 2016-10-31T23:20:40.90 0.6 undecidable manual P 283 90.1431 50 0.85 34
IV.SRES.HHZ. 2016-10-31T23:20:38.53 0.3 undecidable manual P 226 78.1662 50 0.33 63
IV.GIGS.HHZ. 2016-10-31T23:20:38.63 0.6 undecidable manual S 135 43.7229 50 -0.34 45
IV.T0110.HHZ. 2016-10-31T23:20:37.35 0.3 undecidable manual P 139 73.2711 50 -0.11 67
IV.FOSV.EHZ. 2016-10-31T23:20:37.33 0.6 undecidable manual P 331 71.6727 50 0.12 45
IV.TERO.HHZ. 2016-10-31T23:20:36.38 0.6 undecidable manual S 109 35.6421 50 -0.44 45
IV.EL6.EHZ. 2016-10-31T23:20:36.26 0.3 undecidable manual P 354 66.8775 50 -0.2 66
IV.T1211.EHZ. 2016-10-31T23:20:36.85 0.6 undecidable manual S 232 35.1426 50 0.18 47
IV.ATCC.EHZ. 2016-10-31T23:20:36.53 0.3 undecidable manual P 319 67.4769 50 -0.03 69
IV.FAGN.HHZ. 2016-10-31T23:20:35.20 0.3 undecidable manual P 148 60.6948 50 -0.31 66
XO.AM05.EHZ. 2016-10-31T23:20:35.71 0.6 undecidable manual S 26 30.3474 50 0.31 46
IV.T1256.HHZ. 2016-10-31T23:20:35.52 0.6 undecidable manual S 5 30.747 50 0.02 49
IV.ASSB.HHZ. 2016-10-31T23:20:35.00 0.3 undecidable manual P 309 55.5 50 0.29 66
IV.T1221.HNE. 2016-10-31T23:20:35.54 0.6 undecidable manual S 297 31.5462 50 -0.17 47
IV.OFFI.HHZ. 2016-10-31T23:20:34.15 0.3 undecidable manual P 60 46.1205 50 0.87 55
IV.T1215.EHZ. 2016-10-31T23:20:34.44 0.6 undecidable manual S 287 27.4503 50 -0.19 48
IV.CAMP.HHZ. 2016-10-31T23:20:34.39 0.6 undecidable manual S 140 27.9498 50 -0.36 46
IV.FIAM.HHZ. 2016-10-31T23:20:34.14 0.6 undecidable manual P 187 51.6039 50 0.02 47
IV.T1241.EHZ. 2016-10-31T23:20:33.41 0.6 undecidable manual S 54 23.9538 113 -0.23 47
IV.CESX.HHZ. 2016-10-31T23:20:33.88 0.3 undecidable manual P 255 51.1155 50 -0.16 69
IV.RM33.EHZ. 2016-10-31T23:20:33.65 0.6 undecidable manual S 176 24.6531 112 -0.19 48
IV.MMO1.EHZ. 2016-10-31T23:20:32.71 0.6 undecidable manual S 30 21.7671 115 -0.21 48
IV.GIGS.HHZ. 2016-10-31T23:20:32.56 0.6 undecidable manual P 135 43.7229 50 -0.34 45
IV.T1217.EHZ. 2016-10-31T23:20:32.74 0.6 undecidable manual S 265 21.2676 115 -0.04 50
IV.LNSS.HHZ. 2016-10-31T23:20:32.11 0.6 undecidable manual S 221 18.7701 118 0.11 49
IV.T1216.EHZ. 2016-10-31T23:20:32.61 0.6 undecidable manual S 322 22.6551 114 -0.6 43
IV.T1243.HHZ. 2016-10-31T23:20:32.33 0.6 undecidable manual S 100 21.2676 115 -0.44 46
XO.AM05.EHZ. 2016-10-31T23:20:31.37 0.3 undecidable manual P 26 30.3474 50 0.52 66
IV.SMA1.EHZ. 2016-10-31T23:20:31.27 0.6 undecidable manual S 133 16.1727 122 0.07 50
IV.TERO.HHZ. 2016-10-31T23:20:31.41 0.3 undecidable manual P 109 35.6421 50 -0.25 69
IV.T1247.HHZ. 2016-10-31T23:20:31.10 0.3 undecidable manual P 165 33.2445 50 -0.17 71
IV.ARRO.EHZ. 2016-10-31T23:20:31.93 0.6 undecidable manual P 244 38.5281 50 -0.17 47
IV.T1211.EHZ. 2016-10-31T23:20:31.43 0.6 undecidable manual P 232 35.1426 50 -0.14 47
IV.FDMO.HHZ. 2016-10-31T23:20:31.50 0.3 undecidable manual P 346 35.0427 50 -0.05 72
IV.CAMP.HHZ. 2016-10-31T23:20:30.22 0.3 undecidable manual P 140 27.9498 50 -0.25 70
IV.T1245.HHZ. 2016-10-31T23:20:30.43 0.6 undecidable manual S 359 13.9749 126 -0.16 49
IV.T1256.HHZ. 2016-10-31T23:20:30.78 0.3 undecidable manual P 5 30.747 50 -0.12 72
IV.T1221.HNE. 2016-10-31T23:20:30.86 0.1 undecidable manual P 297 31.5462 50 -0.16 95
IV.T1299.HNN. 2016-10-31T23:20:30.59 0.6 undecidable manual S 145 12.9759 128 0.29 48
IV.T1215.EHZ. 2016-10-31T23:20:30.18 0.1 undecidable manual P 287 27.4503 50 -0.22 95
IV.T1204.EHZ. 2016-10-31T23:20:30.06 0.6 undecidable manual S 121 11.877 130 0.06 50
IV.T1216.EHZ. 2016-10-31T23:20:29.44 0.3 undecidable manual P 322 22.6551 114 -0.14 73
IV.T1244.EHZ. 2016-10-31T23:20:29.50 0.6 undecidable manual S 71 9.1797 138 0.17 49
IV.T1243.HHZ. 2016-10-31T23:20:29.24 0.1 undecidable manual P 100 21.2676 115 -0.08 98
IV.RM33.EHZ. 2016-10-31T23:20:29.70 0.3 undecidable manual P 176 24.6531 112 -0.23 71
IV.NRCA.HHZ. 2016-10-31T23:20:29.84 0.3 undecidable manual S 331 13.0758 128 -0.49 69
IV.T1201.HNN. 2016-10-31T23:20:29.54 0.6 undecidable manual S 149 9.3795 137 0.15 50
IV.MMO1.EHZ. 2016-10-31T23:20:29.26 0.3 undecidable manual P 30 21.7671 115 -0.15 73
IV.T1241.EHZ. 2016-10-31T23:20:29.69 0.3 undecidable manual P 54 23.9538 113 -0.14 73
IV.T1217.EHZ. 2016-10-31T23:20:29.28 0.3 undecidable manual P 265 21.2676 115 -0.05 74
IV.LNSS.HHZ. 2016-10-31T23:20:28.94 0.1 undecidable manual P 221 18.7701 118 0.06 99
IV.T1299.HNN. 2016-10-31T23:20:28.12 0.1 undecidable manual P 145 12.9759 128 0.22 97
IV.T1245.HHZ. 2016-10-31T23:20:28.07 0.3 undecidable manual P 359 13.9749 126 0.01 76
IV.SMA1.EHZ. 2016-10-31T23:20:28.83 0.1 undecidable manual P 133 16.1727 122 0.41 93
IV.T1204.EHZ. 2016-10-31T23:20:27.90 0.1 positive manual P 121 11.877 130 0.18 98
IV.T1244.EHZ. 2016-10-31T23:20:27.56 0.1 undecidable manual P 71 9.1797 138 0.23 97
IV.NRCA.HHZ. 2016-10-31T23:20:27.84 0.1 undecidable manual P 331 13.0758 128 -0.07 100
IV.T1201.HNN. 2016-10-31T23:20:27.61 0.1 undecidable manual P 149 9.3795 137 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.0 0.002134177 0.4224 AML other m 2016-10-31T23:20:33.86
IV.SMA1.EHN. ML:0.0 0.0020519595 0.384 AML other m 2016-10-31T23:20:34.52
IV.T1204.EHN. ML:2.2 0.0018169206499999999 0.1024 AML other m 2016-10-31T23:20:30.27
IV.T1204.EHE. ML:2.5 0.0035016515 0.2176 AML other m 2016-10-31T23:20:32.51
IV.T1245.HNE. ML:2.2 0.0016589825 0.32 AML other m 2016-10-31T23:20:32.13
IV.T1245.HNN. ML:2.4 0.0026298719999999997 0.1664 AML other m 2016-10-31T23:20:31.60
IV.T1245.HHE. ML:2.3 0.0018734725000000001 0.2048 AML other m 2016-10-31T23:20:31.58
IV.T1245.HHN. ML:2.4 0.002384962 0.1536 AML other m 2016-10-31T23:20:31.60
IV.LNSS.HHE. ML:2.1 0.00089889525 0.1664 AML other m 2016-10-31T23:20:32.45
IV.LNSS.HHN. ML:2.3 0.0016949085 0.128 AML other m 2016-10-31T23:20:33.46
IV.T1217.EHE. ML:1.6 0.0002692465 0.1152 AML other m 2016-10-31T23:20:35.05
IV.T1217.EHN. ML:1.7 0.0003653633 0.2304 AML other m 2016-10-31T23:20:33.64
IV.T1217.HNE. ML:1.6 0.0002723136 0.1152 AML other m 2016-10-31T23:20:35.10
IV.T1217.HNN. ML:1.7 0.0003482369 0.192 AML other m 2016-10-31T23:20:35.88
IV.T1216.EHE. ML:2.2 0.00098605585 0.2432 AML other m 2016-10-31T23:20:35.62
IV.T1216.EHN. ML:2.3 0.00142115425 0.1536 AML other m 2016-10-31T23:20:35.38
IV.T1241.HNE. ML:2.3 0.00119996085 0.1664 AML other m 2016-10-31T23:20:33.72
IV.T1241.HNN. ML:2.0 0.0005800676000000001 0.128 AML other m 2016-10-31T23:20:33.85
IV.T1241.EHN. ML:2.0 0.0006179582 0.1792 AML other m 2016-10-31T23:20:33.86
IV.T1241.EHE. ML:2.3 0.0012288289999999999 0.1664 AML other m 2016-10-31T23:20:33.72
IV.RM33.EHE. ML:2.1 0.0007860844 0.1536 AML other m 2016-10-31T23:20:34.27
IV.RM33.HNE. ML:2.1 0.0008081955 0.1792 AML other m 2016-10-31T23:20:34.35
IV.RM33.HNN. ML:2.1 0.0007450967 0.2176 AML other m 2016-10-31T23:20:34.05
IV.RM33.EHN. ML:2.1 0.00073150425 0.192 AML other m 2016-10-31T23:20:33.95
IV.T1215.HNE. ML:1.7 0.000267246 0.0768 AML other m 2016-10-31T23:20:34.68
IV.T1215.EHE. ML:1.7 0.0002560874999999999 0.0768 AML other m 2016-10-31T23:20:34.68
IV.T1215.EHN. ML:1.8 0.00037565545000000007 0.1536 AML other m 2016-10-31T23:20:34.87
IV.T1215.HNN. ML:1.9 0.00039346940000000005 0.1536 AML other m 2016-10-31T23:20:34.87
IV.CAMP.HHE. ML:1.8 0.00029351139999999996 0.2048 AML other m 2016-10-31T23:20:34.89
IV.CAMP.HHN. ML:1.7 0.0002790687 0.2176 AML other m 2016-10-31T23:20:34.82
IV.T1247.HHE. ML:2.0 0.00041211215 0.2304 AML other m 2016-10-31T23:20:38.88
IV.T1247.HHN. ML:1.9 0.00036753009999999995 0.1408 AML other m 2016-10-31T23:20:37.25
XO.AM05.EHN. ML:1.0 0.000048791910000000004 0.0896 AML other m 2016-10-31T23:20:36.81
XO.AM05.HNN. ML:1.5 0.00014954273000000002 0.0896 AML other m 2016-10-31T23:20:36.83
XO.AM05.EHE. ML:2.2 0.0008158366999999999 0.1024 AML other m 2016-10-31T23:20:36.76
XO.AM05.HNE. ML:1.6 0.000182148495 0.128 AML other m 2016-10-31T23:20:36.76
IV.TERO.HHN. ML:2.5 0.001221179 0.0896 AML other m 2016-10-31T23:20:36.97
IV.TERO.HHE. ML:2.3 0.0007997373 0.1152 AML other m 2016-10-31T23:20:36.95
IV.TERO.HNN. ML:2.4 0.0010610176 0.128 AML other m 2016-10-31T23:20:36.72
IV.TERO.HNE. ML:2.2 0.0007072829 0.1152 AML other m 2016-10-31T23:20:37.00
IV.T1211.HNN. ML:2.1 0.0005186889999999999 0.1024 AML other m 2016-10-31T23:20:38.19
IV.T1211.HNE. ML:2.2 0.00062915045 0.128 AML other m 2016-10-31T23:20:37.58
IV.T1211.EHN. ML:2.1 0.0005194328000000001 0.128 AML other m 2016-10-31T23:20:38.25
IV.T1211.EHE. ML:2.2 0.0006362265 0.128 AML other m 2016-10-31T23:20:37.52
IV.FDMO.HHN. ML:1.9 0.0003488337 0.1792 AML other m 2016-10-31T23:20:38.74
IV.ARRO.EHE. ML:1.8 0.0002010434 0.2048 AML other m 2016-10-31T23:20:41.72
IV.ARRO.EHN. ML:1.7 0.0001952624 0.1536 AML other m 2016-10-31T23:20:39.37
IV.GIGS.HHN. ML:1.4 0.00008218266499999999 0.0896 AML other m 2016-10-31T23:20:39.53
IV.GIGS.HHE. ML:1.4 0.000068133005 0.1792 AML other m 2016-10-31T23:20:38.76
IV.CESX.HHN. ML:1.6 0.000100992995 0.384 AML other m 2016-10-31T23:20:45.75
IV.FIAM.HHN. ML:1.6 0.00010512271000000001 0.4352 AML other m 2016-10-31T23:20:46.46
IV.FIAM.HHE. ML:1.7 0.00012670754 0.192 AML other m 2016-10-31T23:20:41.93
IV.OFFI.HHE. ML:2.0 0.0003119591 0.5504 AML other m 2016-10-31T23:20:47.48
IV.OFFI.HHN. ML:2.1 0.00036690234999999996 0.3072 AML other m 2016-10-31T23:20:43.83
IV.FAGN.HHE. ML:2.1 0.00024296845 0.32 AML other m 2016-10-31T23:20:49.81
IV.FAGN.HHN. ML:2.0 0.00020301770000000002 0.32 AML other m 2016-10-31T23:20:45.93
IV.EL6.EHE. ML:2.0 0.00017479155 0.1408 AML other m 2016-10-31T23:20:47.32
IV.EL6.EHN. ML:1.9 0.00014671450000000008 0.32 AML other m 2016-10-31T23:20:50.96
IV.VCEL.EHN. ML:2.0 0.00017972394999999999 0.1536 AML other m 2016-10-31T23:20:48.78
IV.VCEL.EHE. ML:1.9 0.00015262400000000002 0.2048 AML other m 2016-10-31T23:20:48.76
IV.ATCC.EHN. ML:2.1 0.0002031793 0.3072 AML other m 2016-10-31T23:20:46.67
IV.ATCC.EHE. ML:2.1 0.0002015949 0.2176 AML other m 2016-10-31T23:20:46.63
IV.T0110.HHN. ML:2.0 0.00017395635 0.4224 AML other m 2016-10-31T23:20:50.14
IV.T0110.HHE. ML:2.0 0.000149926655 0.4992 AML other m 2016-10-31T23:20:49.08
IV.MGAB.HNE. ML:2.0 0.000106775425 0.6784 AML other m 2016-10-31T23:21:00.60
IV.MGAB.HHN. ML:2.0 0.00010385406 0.3584 AML other m 2016-10-31T23:20:57.76
IV.MGAB.HNN. ML:2.0 0.00011328124 0.3712 AML other m 2016-10-31T23:20:57.77
IV.MGAB.HHE. ML:2.0 0.00010414765000000001 0.4992 AML other m 2016-10-31T23:20:58.64
IV.FSSB.HHE. ML:2.1 0.000097922315 0.4224 AML other m 2016-10-31T23:21:02.25
IV.FSSB.HHN. ML:2.4 0.00019350925 0.2944 AML other m 2016-10-31T23:21:01.05
IV.CAFI.HHN. ML:1.5 0.00002657303 0.384 AML other m 2016-10-31T23:21:09.28
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