Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 26-01-2017 and time 18:42:01 (Italy) in region 3 km W Sellano (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km W Sellano (PG), on

  • 26-01-2017 17:42:01 (UTC)
  • 26-01-2017 18:42:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 12.8870 at 16 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
Sellano PG 3 1079 1079
Cerreto di Spoleto PG 8 1075 2154
Campello sul Clitunno PG 11 2442 4596
Trevi PG 11 8469 13065
Preci PG 13 724 13789
Vallo di Nera PG 13 364 14153
Monte Cavallo MC 16 145 14298
Foligno PG 17 57155 71453
Sant'Anatolia di Narco PG 17 564 72017
Visso MC 17 1107 73124
Castel Ritaldi PG 19 3278 76402
Montefalco PG 19 5679 82081
Poggiodomo PG 19 117 82198
Scheggino PG 19 461 82659
Norcia PG 20 4957 87616

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
71 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 2017-01-26
17:42:01		 42.8835 12.8868 16 2019-07-19
13:21:05		 Bollettino Sismico Italiano INGV 63741791
Reviewed
Rev100 		ML 2.2 2017-01-26
17:42:01		 42.8852 12.8807 16 2017-01-26
17:50:00		 Sala Sismica INGV-Roma 39851461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-26 17:42:01 ± 0.03
Latitude 42.8835 ± 0.0018
Longitude 12.8868 ± 0.0025
Depth (km) 16 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63741791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 209
Semi-minor axis of confidence ellipse (meter) 43
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.71676
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 63741791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-07 15:58:33

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 39851461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-26 17:50:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-01-26T17:42:18.55 0.6 undecidable manual S 19 52.4031 97 0.43 43
IV.SACS.HHZ. 2017-01-26T17:42:16.12 0.6 undecidable manual P 268 79.5648 94 0.83 35
IV.PIEI.HHZ. 2017-01-26T17:42:15.04 0.3 undecidable manual P 339 77.7666 95 0.03 66
IV.CESX.HHZ. 2017-01-26T17:42:14.77 0.3 undecidable manual S 219 39.1275 101 0.16 69
IV.ATVO.HHZ. 2017-01-26T17:42:13.46 0.3 undecidable manual P 325 67.5768 95 0 68
IV.LNSS.HHZ. 2017-01-26T17:42:13.28 0.3 undecidable manual S 158 33.5442 104 0.12 71
IV.GIGS.HHZ. 2017-01-26T17:42:13.99 0.3 undecidable manual P 130 73.5708 95 -0.38 62
IV.MGAB.HHZ. 2017-01-26T17:42:13.12 0.3 undecidable manual P 273 63.0924 96 0.36 63
IV.CSP1.EHZ. 2017-01-26T17:42:13.61 0.3 undecidable manual S 48 34.6431 103 0.17 70
IV.FIAM.HHZ. 2017-01-26T17:42:13.90 0.3 undecidable manual P 165 70.7736 95 -0.05 67
IV.ARRO.EHZ. 2017-01-26T17:42:13.50 0.3 undecidable manual S 196 35.1426 103 -0.08 71
IV.TERO.HHZ. 2017-01-26T17:42:12.88 0.3 undecidable manual P 116 65.1903 96 -0.2 65
IV.T1220.EHZ. 2017-01-26T17:42:12.43 0.3 undecidable manual S 33 30.0477 106 0.18 70
IV.CING.HHZ. 2017-01-26T17:42:12.23 0.3 undecidable manual P 24 59.9955 96 -0.06 68
IV.SEF1.HNZ. 2017-01-26T17:42:12.13 0.6 undecidable manual S 10 29.6481 106 -0.02 48
IV.T1218.EHZ. 2017-01-26T17:42:12.56 0.3 undecidable manual S 142 30.1476 106 0.29 69
IV.MURB.HHZ. 2017-01-26T17:42:11.00 0.1 undecidable manual P 325 51.3153 98 0.04 92
IV.MC2.EHZ. 2017-01-26T17:42:11.33 0.3 undecidable manual S 83 24.753 111 0.42 67
IV.MOMA.HHZ. 2017-01-26T17:42:11.61 0.6 undecidable manual S 251 27.2505 108 0.07 48
IV.CAMP.HHZ. 2017-01-26T17:42:11.80 0.3 undecidable manual P 132 57.3981 97 -0.1 68
IV.T1245.HHZ. 2017-01-26T17:42:11.02 0.3 undecidable manual S 97 24.6531 111 0.13 72
IV.EL6.EHZ. 2017-01-26T17:42:11.06 0.1 undecidable manual P 19 52.4031 97 -0.07 92
IV.RM33.EHZ. 2017-01-26T17:42:10.63 0.1 undecidable manual P 147 49.4172 98 -0.04 93
IV.FDMO.HHZ. 2017-01-26T17:42:10.49 0.3 undecidable manual S 44 23.4543 113 -0.12 72
IV.SNTG.HHZ. 2017-01-26T17:42:09.19 0.1 undecidable manual P 6 41.4252 100 -0.27 90
IV.T1217.EHZ. 2017-01-26T17:42:09.64 0.3 undecidable manual S 169 19.3695 119 0.03 73
IV.T1219.EHZ. 2017-01-26T17:42:09.94 0.3 undecidable manual S 27 21.3675 116 -0.14 72
IV.T1211.EHZ. 2017-01-26T17:42:09.06 0.1 undecidable manual P 184 39.0276 101 -0.03 95
IV.NRCA.HNZ. 2017-01-26T17:42:09.70 0.6 undecidable manual S 107 19.2696 119 0.1 48
IV.T1299.EHZ. 2017-01-26T17:42:09.68 0.1 undecidable manual P 131 42.4242 100 0.07 94
IV.ATCC.EHZ. 2017-01-26T17:42:09.05 0.1 undecidable manual P 329 39.0276 101 -0.04 95
IV.T1212.EHZ. 2017-01-26T17:42:09.67 0.3 undecidable manual S 139 19.4694 119 0.04 73
IV.CSP1.EHZ. 2017-01-26T17:42:08.35 0.1 undecidable manual P 48 34.6431 103 -0.08 94
IV.CESI.HHZ. 2017-01-26T17:42:08.15 0.3 undecidable manual S 6 13.5753 132 -0.19 72
IV.ARRO.EHZ. 2017-01-26T17:42:08.44 0.1 undecidable manual P 196 35.1426 103 -0.07 95
IV.FEMA.HNZ. 2017-01-26T17:42:08.78 0.3 undecidable manual S 57 15.873 126 -0.03 74
IV.CESX.HHZ. 2017-01-26T17:42:08.90 0.1 undecidable manual P 219 39.1275 101 -0.2 92
IV.LNSS.HHZ. 2017-01-26T17:42:08.15 0.1 undecidable manual P 158 33.5442 104 -0.12 94
IV.SEF1.HNZ. 2017-01-26T17:42:07.55 0.1 undecidable manual P 10 29.6481 106 -0.13 94
IV.T1218.EHZ. 2017-01-26T17:42:07.71 0.1 undecidable manual P 142 30.1476 106 -0.04 96
IV.MC2.EHZ. 2017-01-26T17:42:07.03 0.1 undecidable manual P 83 24.753 111 0.06 97
IV.T1220.EHZ. 2017-01-26T17:42:07.73 0.1 undecidable manual P 33 30.0477 106 -0.01 97
IV.T1215.EHZ. 2017-01-26T17:42:07.38 0.3 undecidable manual S 189 9.1797 144 -0.18 73
IV.MOMA.HHZ. 2017-01-26T17:42:07.32 0.1 undecidable manual P 251 27.2505 108 -0.01 97
IV.T1216.EHZ. 2017-01-26T17:42:07.80 0.3 undecidable manual S 86 10.7781 139 -0.01 75
IV.T1221.HNE. 2017-01-26T17:42:06.80 0.6 undecidable manual S 232 4.0959 163 -0.15 50
IV.NRCA.HNZ. 2017-01-26T17:42:06.18 0.1 undecidable manual P 107 19.2696 119 -0.03 98
IV.FDMO.HHZ. 2017-01-26T17:42:06.74 0.1 undecidable manual P 44 23.4543 113 -0.05 97
IV.T1212.EHZ. 2017-01-26T17:42:06.25 0.1 undecidable manual P 139 19.4694 119 0.02 98
IV.T1245.HHZ. 2017-01-26T17:42:06.94 0.1 undecidable manual P 97 24.6531 111 -0.02 97
IV.T1217.EHZ. 2017-01-26T17:42:06.27 0.1 undecidable manual P 169 19.3695 119 0.05 98
IV.T1219.EHZ. 2017-01-26T17:42:06.41 0.1 undecidable manual P 27 21.3675 116 -0.08 97
IV.T1215.EHZ. 2017-01-26T17:42:05.03 0.1 undecidable manual P 189 9.1797 144 0 100
IV.T1216.EHZ. 2017-01-26T17:42:05.20 0.1 undecidable manual P 86 10.7781 139 0.02 100
IV.CESI.HHZ. 2017-01-26T17:42:05.51 0.1 undecidable manual P 6 13.5753 132 0.03 99
IV.FEMA.HNZ. 2017-01-26T17:42:05.90 0.1 undecidable manual P 57 15.873 126 0.14 96
IV.T1221.HNE. 2017-01-26T17:42:04.72 0.1 undecidable manual P 232 4.0959 163 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1215.HNE. ML:2.6 0.0036349999999999998 0.08 AML other m 2017-01-26T17:42:07.47
IV.T1215.EHE. ML:2.6 0.003675 0.1 AML other m 2017-01-26T17:42:07.47
IV.T1215.HNN. ML:2.5 0.0027 0.06 AML other m 2017-01-26T17:42:07.49
IV.T1215.EHN. ML:2.5 0.00279 0.06 AML other m 2017-01-26T17:42:07.49
IV.T1216.EHN. ML:2.4 0.002125 0.6 AML other m 2017-01-26T17:42:07.66
IV.T1216.EHE. ML:2.3 0.00181 0.4 AML other m 2017-01-26T17:42:08.43
IV.CESI.HHN. ML:2.1 0.001028 0.5 AML other m 2017-01-26T17:42:08.45
IV.CESI.HHE. ML:2.1 0.0009155 0.26 AML other m 2017-01-26T17:42:08.37
IV.T1212.EHE. ML:1.9 0.000554 1.56 AML other m 2017-01-26T17:42:09.92
IV.T1212.HNE. ML:2.0 0.0006039999999999999 1.56 AML other m 2017-01-26T17:42:09.14
IV.T1212.HNN. ML:2.1 0.0007804999999999999 1.76 AML other m 2017-01-26T17:42:09.05
IV.T1212.EHN. ML:2.1 0.0007865 1.74 AML other m 2017-01-26T17:42:09.06
IV.T1219.HNN. ML:2.2 0.0010425 0.32 AML other m 2017-01-26T17:42:10.20
IV.T1219.EHN. ML:2.2 0.0010750000000000002 0.32 AML other m 2017-01-26T17:42:10.20
IV.T1219.HNE. ML:2.2 0.0008950000000000001 0.32 AML other m 2017-01-26T17:42:10.09
IV.T1219.EHE. ML:2.2 0.0008745000000000001 0.32 AML other m 2017-01-26T17:42:10.09
IV.T1217.EHN. ML:2.1 0.0008020000000000001 0.72 AML other m 2017-01-26T17:42:10.27
IV.FDMO.HHN. ML:2.3 0.001085 0.18 AML other m 2017-01-26T17:42:10.71
IV.FDMO.HHE. ML:2.3 0.0010565 0.18 AML other m 2017-01-26T17:42:10.76
IV.T1217.EHE. ML:2.1 0.0008015 1.48 AML other m 2017-01-26T17:42:11.91
IV.ASSB.HHE. ML:2.2 0.0009475 0.58 AML other m 2017-01-26T17:42:11.40
IV.T1245.HHE. ML:2.2 0.000852 0.52 AML other m 2017-01-26T17:42:11.72
IV.ASSB.HHN. ML:2.2 0.0007765 0.58 AML other m 2017-01-26T17:42:11.58
IV.T1245.HHN. ML:2.3 0.0009715 0.16 AML other m 2017-01-26T17:42:12.10
IV.MOMA.HHN. ML:2.5 0.00143 1.56 AML other m 2017-01-26T17:42:12.07
IV.MOMA.HNN. ML:2.5 0.0014299999999999998 1.56 AML other m 2017-01-26T17:42:12.07
IV.MOMA.HNE. ML:2.2 0.000868 0.74 AML other m 2017-01-26T17:42:12.64
IV.MOMA.HHE. ML:2.3 0.0009515 0.36 AML other m 2017-01-26T17:42:12.09
IV.T1218.HNN. ML:2.1 0.000605 0.32 AML other m 2017-01-26T17:42:12.66
IV.T1220.HNN. ML:2.3 0.0009764999999999999 0.22 AML other m 2017-01-26T17:42:12.50
IV.T1220.EHN. ML:2.3 0.0009795000000000001 0.22 AML other m 2017-01-26T17:42:12.61
IV.T1218.HNE. ML:2.1 0.0005265 0.44 AML other m 2017-01-26T17:42:12.70
IV.T1218.EHN. ML:2.1 0.0005965 0.48 AML other m 2017-01-26T17:42:12.67
IV.T1218.EHE. ML:2.0 0.00044099999999999993 0.94 AML other m 2017-01-26T17:42:13.01
IV.T1220.HNE. ML:2.4 0.0011435 0.56 AML other m 2017-01-26T17:42:13.74
IV.T1220.EHE. ML:2.4 0.001136 0.54 AML other m 2017-01-26T17:42:13.74
IV.LNSS.HHE. ML:2.3 0.000884 0.8 AML other m 2017-01-26T17:42:13.25
IV.CSP1.EHE. ML:2.3 0.000754 0.38 AML other m 2017-01-26T17:42:14.37
IV.LNSS.HHN. ML:2.4 0.0010314999999999999 0.4 AML other m 2017-01-26T17:42:14.21
IV.CSP1.EHN. ML:2.3 0.0007059999999999999 0.36 AML other m 2017-01-26T17:42:14.41
IV.ARRO.EHE. ML:2.0 0.0004145 1.22 AML other m 2017-01-26T17:42:14.96
IV.ARRO.EHN. ML:1.8 0.00023150000000000002 0.64 AML other m 2017-01-26T17:42:15.00
IV.ATCC.EHE. ML:2.5 0.0010400000000000001 0.26 AML other m 2017-01-26T17:42:15.37
IV.ATCC.EHN. ML:2.3 0.0006535 0.6 AML other m 2017-01-26T17:42:15.44
IV.T1211.HNN. ML:2.1 0.000437 0.66 AML other m 2017-01-26T17:42:15.47
IV.T1211.EHN. ML:2.1 0.000398 0.66 AML other m 2017-01-26T17:42:15.47
IV.T1211.HNE. ML:2.1 0.0004465 0.36 AML other m 2017-01-26T17:42:15.32
IV.T1211.EHE. ML:2.1 0.0004055 0.36 AML other m 2017-01-26T17:42:15.32
IV.SNTG.HHN. ML:1.7 0.0001655 0.22 AML other m 2017-01-26T17:42:16.08
IV.SNTG.HHE. ML:1.6 0.000122 0.62 AML other m 2017-01-26T17:42:16.20
IV.CESX.HHN. ML:1.7 0.00016999999999999999 0.38 AML other m 2017-01-26T17:42:16.04
IV.CESX.HHE. ML:1.7 0.000185 1.54 AML other m 2017-01-26T17:42:17.96
IV.RM33.EHE. ML:2.0 0.000268 0.46 AML other m 2017-01-26T17:42:17.76
IV.RM33.EHN. ML:1.9 0.00021799999999999999 1.36 AML other m 2017-01-26T17:42:18.91
IV.MURB.HNN. ML:2.3 0.0005265 1.02 AML other m 2017-01-26T17:42:19.08
IV.EL6.EHE. ML:2.1 0.000275 0.16 AML other m 2017-01-26T17:42:19.47
IV.MURB.HNE. ML:2.4 0.000627 0.86 AML other m 2017-01-26T17:42:19.63
IV.EL6.EHN. ML:2.1 0.000301 1.16 AML other m 2017-01-26T17:42:20.02
IV.MURB.HHE. ML:2.4 0.0006865 0.22 AML other m 2017-01-26T17:42:20.20
IV.MURB.HHN. ML:2.3 0.0005344999999999999 0.82 AML other m 2017-01-26T17:42:20.92
IV.T1222.EHE. ML:1.9 0.000179 0.3 AML other m 2017-01-26T17:42:20.53
IV.T1222.HNE. ML:2.0 0.0002205 0.3 AML other m 2017-01-26T17:42:20.68
IV.CAMP.HHN. ML:1.4 0.000060100000000000004 0.44 AML other m 2017-01-26T17:42:22.62
IV.T1247.HHE. ML:2.1 0.00025 0.46 AML other m 2017-01-26T17:42:22.40
IV.T1222.EHN. ML:1.9 0.000168 1.02 AML other m 2017-01-26T17:42:22.18
IV.T1222.HNN. ML:2.0 0.0002185 1.02 AML other m 2017-01-26T17:42:22.18
IV.MGAB.HHN. ML:1.8 0.0001205 0.64 AML other m 2017-01-26T17:42:22.97
IV.CAMP.HHE. ML:1.4 0.00004815 0.88 AML other m 2017-01-26T17:42:23.48
IV.ATVO.HHE. ML:1.6 0.0000656 1.36 AML other m 2017-01-26T17:42:23.30
IV.FIAM.HHN. ML:1.7 0.00008295 1.16 AML other m 2017-01-26T17:42:24.30
IV.TERO.HHE. ML:1.7 0.00008345 0.68 AML other m 2017-01-26T17:42:24.67
IV.T1247.HHN. ML:2.1 0.0002475 1.3 AML other m 2017-01-26T17:42:24.23
IV.TERO.HHN. ML:1.6 0.00006525 1.4 AML other m 2017-01-26T17:42:25.05
IV.ATVO.HHN. ML:1.5 0.000047850000000000004 1.02 AML other m 2017-01-26T17:42:25.80
IV.MGAB.HNN. ML:1.8 0.000121 0.94 AML other m 2017-01-26T17:42:25.33
IV.MGAB.HNE. ML:1.9 0.000142 0.52 AML other m 2017-01-26T17:42:25.48
IV.MGAB.HHE. ML:1.8 0.000132 0.52 AML other m 2017-01-26T17:42:25.48
IV.FIAM.HHE. ML:1.8 0.00009900000000000001 0.32 AML other m 2017-01-26T17:42:26.99
IV.PIEI.HHE. ML:1.7 0.0000633 0.12 AML other m 2017-01-26T17:42:28.10
IV.PIEI.HHN. ML:1.4 0.00004155 0.42 AML other m 2017-01-26T17:42:28.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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