Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 28-02-2017 and time 22:18:09 (Italy) in region 8 km W Ferentillo (TR)

A magnitude ML 2.4 earthquake occured in region: 8 km W Ferentillo (TR), on

  • 28-02-2017 21:18:09 (UTC)
  • 28-02-2017 22:18:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6550, 12.7030 at 8 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
Ferentillo TR 8 1913 1913
Montefranco TR 8 1276 3189
Spoleto PG 9 38218 41407
Arrone TR 10 2763 44170
Terni TR 11 111501 155671
Scheggino PG 12 461 156132
Acquasparta TR 13 4778 160910
San Gemini TR 14 5018 165928
Polino TR 14 233 166161
Sant'Anatolia di Narco PG 14 564 166725
Labro RI 16 374 167099
Stroncone TR 18 4917 172016
Montecastrilli TR 18 5022 177038
Morro Reatino RI 18 373 177411
Vallo di Nera PG 18 364 177775
Colli sul Velino RI 18 533 178308
Castel Ritaldi PG 19 3278 181586
Campello sul Clitunno PG 19 2442 184028
Rivodutri RI 20 1253 185281
Massa Martana PG 20 3770 189051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Terni (111501 inhabitants)
34 Km S of Foligno (57155 inhabitants)
56 Km E of Viterbo (67173 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
73 Km N of Guidonia Montecelio (88673 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
82 Km W of Teramo (54892 inhabitants)
87 Km N of Roma (2864731 inhabitants)
97 Km NE of Civitavecchia (52991 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 2.4 2017-02-28
21:18:09		 42.655 12.7033 8 2019-07-19
13:20:48		 Bollettino Sismico Italiano INGV 60820511
Reviewed
Rev100 		ML 2.4 2017-02-28
21:18:09		 42.6607 12.6977 9 2017-02-28
21:24:28		 Sala Sismica INGV-Roma 41773351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 21:18:09 ± 0.05
Latitude 42.6550 ± 0.0027
Longitude 12.7033 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60820511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 257
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.63222
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 79
Type of magnitude ML
Reference to an origin 60820511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-09-11 10:31:25

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 41773351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 21:24:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2017-02-28T21:18:29.49 0.6 undecidable manual S 40 63.2922 50 -0.24 44
IV.ATCC.EHE. 2017-02-28T21:18:29.22 0.6 undecidable manual S 355 58.9965 50 0.63 39
IV.MGAB.HHZ. 2017-02-28T21:18:28.04 0.6 undecidable manual S 301 55.9995 50 0.27 44
IV.FDMO.HHZ. 2017-02-28T21:18:27.07 0.6 undecidable manual S 36 52.6029 50 0.21 45
IV.FIAM.HHZ. 2017-02-28T21:18:27.51 0.6 undecidable manual S 142 54.7008 50 0.09 46
IV.MC2.EHZ. 2017-02-28T21:18:26.38 0.3 undecidable manual S 54 48.7179 50 0.56 62
IV.SMA1.EHZ. 2017-02-28T21:18:26.54 0.6 undecidable manual S 93 51.6039 50 -0.07 46
IV.T1299.EHZ. 2017-02-28T21:18:25.73 0.6 undecidable manual S 93 47.3193 50 0.28 44
IV.CESI.HHZ. 2017-02-28T21:18:24.43 0.6 undecidable manual S 23 42.1245 50 0.36 44
IV.T1214.EHZ. 2017-02-28T21:18:24.66 0.6 undecidable manual S 74 42.8238 50 0.41 44
IV.NRCA.HHZ. 2017-02-28T21:18:24.11 0.6 undecidable manual S 59 38.9277 50 0.9 36
IV.T1222.EHZ. 2017-02-28T21:18:23.04 0.6 undecidable manual S 136 39.1275 50 -0.24 45
IV.MTCE.HHZ. 2017-02-28T21:18:22.28 0.3 undecidable manual P 177 70.1742 50 -0.06 67
IV.GUMA.HHZ. 2017-02-28T21:18:22.24 0.1 undecidable manual P 48 68.4759 50 0.17 87
IV.T1213.HNE. 2017-02-28T21:18:22.63 0.6 undecidable manual S 77 35.3424 50 0.38 44
IV.T1216.EHZ. 2017-02-28T21:18:22.60 0.6 undecidable manual S 44 36.6411 50 -0.01 48
IV.MURB.HHE. 2017-02-28T21:18:22.11 0.3 undecidable manual P 348 68.9754 50 -0.04 67
IV.SACS.HHZ. 2017-02-28T21:18:22.52 0.3 undecidable manual P 289 68.1762 50 0.5 61
IV.T1218.EHZ. 2017-02-28T21:18:21.89 0.6 undecidable manual S 87 33.6441 104 0.14 47
IV.T1241.EHZ. 2017-02-28T21:18:21.06 0.1 undecidable manual P 69 63.3921 50 -0.22 87
IV.CSP1.EHZ. 2017-02-28T21:18:21.17 0.1 undecidable manual P 40 63.2922 50 -0.11 89
IV.T1212.EHZ. 2017-02-28T21:18:20.66 0.6 undecidable manual S 69 29.8479 105 0.19 47
IV.MGAB.HHZ. 2017-02-28T21:18:20.07 0.1 undecidable manual P 301 55.9995 50 -0.08 91
IV.ATCC.EHE. 2017-02-28T21:18:20.51 0.3 undecidable manual P 355 58.9965 50 -0.11 68
IV.LNSS.HHZ. 2017-02-28T21:18:20.35 0.6 undecidable manual S 102 28.0497 106 0.46 44
IV.SRES.HHZ. 2017-02-28T21:18:19.25 0.6 undecidable manual P 199 49.0176 50 0.18 45
IV.T1221.HNZ. 2017-02-28T21:18:19.02 0.6 undecidable manual S 27 25.6521 108 -0.05 48
IV.FIAM.HHZ. 2017-02-28T21:18:19.74 0.1 undecidable manual P 142 54.7008 50 -0.2 89
IV.T1247.HHZ. 2017-02-28T21:18:19.76 0.1 undecidable manual P 116 54.1014 50 -0.09 91
IV.FDMO.HHZ. 2017-02-28T21:18:19.42 0.1 negative manual P 36 52.6029 50 -0.2 89
IV.SMA1.EHZ. 2017-02-28T21:18:19.46 0.1 undecidable manual P 93 51.6039 50 -0.01 93
IV.T1299.EHZ. 2017-02-28T21:18:18.75 0.1 negative manual P 93 47.3193 50 -0.06 93
IV.MC2.EHZ. 2017-02-28T21:18:18.91 0.1 undecidable manual P 54 48.7179 50 -0.12 92
IV.RM33.EHZ. 2017-02-28T21:18:18.19 0.1 undecidable manual P 111 44.8218 50 -0.23 90
IV.T1217.EHZ. 2017-02-28T21:18:17.10 0.6 undecidable manual S 71 19.6692 113 -0.02 49
IV.NRCA.HHZ. 2017-02-28T21:18:17.15 0.3 undecidable manual P 59 38.9277 50 -0.36 66
IV.CESI.HHZ. 2017-02-28T21:18:17.77 0.1 undecidable manual P 23 42.1245 50 -0.24 90
IV.T1222.EHZ. 2017-02-28T21:18:17.13 0.6 undecidable manual P 136 39.1275 50 -0.42 44
IV.T1215.EHZ. 2017-02-28T21:18:17.50 0.3 undecidable manual S 39 21.1677 111 -0.1 72
IV.T1214.EHZ. 2017-02-28T21:18:17.80 0.1 undecidable manual P 74 42.8238 50 -0.32 89
IV.MOMA.HHZ. 2017-02-28T21:18:17.33 0.3 undecidable manual S 327 19.7691 113 0.16 72
IV.T1211.EHZ. 2017-02-28T21:18:16.87 0.6 undecidable manual S 138 18.3705 114 0.15 48
IV.T1218.EHZ. 2017-02-28T21:18:16.22 0.6 undecidable manual P 87 33.6441 104 -0.45 44
IV.T1213.HNE. 2017-02-28T21:18:16.84 0.3 undecidable manual P 77 35.3424 50 -0.12 70
IV.T1216.EHZ. 2017-02-28T21:18:16.95 0.1 undecidable manual P 44 36.6411 50 -0.22 92
IV.LNSS.HHZ. 2017-02-28T21:18:15.55 0.1 undecidable manual P 102 28.0497 106 -0.05 96
IV.T1212.EHZ. 2017-02-28T21:18:15.80 0.3 negative manual P 69 29.8479 105 -0.13 71
IV.CESX.HHZ. 2017-02-28T21:18:14.47 0.1 undecidable manual S 242 10.7781 127 0.02 100
IV.T1221.HNZ. 2017-02-28T21:18:14.82 0.3 undecidable manual P 27 25.6521 108 -0.31 69
IV.ARRO.EHZ. 2017-02-28T21:18:14.25 0.6 undecidable manual S 149 9.7791 130 0.07 50
IV.T1211.EHZ. 2017-02-28T21:18:14.21 0.1 undecidable manual P 138 18.3705 114 0.45 90
IV.T1215.EHZ. 2017-02-28T21:18:14.26 0.1 negative manual P 39 21.1677 111 -0.02 98
IV.MOMA.HHZ. 2017-02-28T21:18:13.92 0.1 undecidable manual P 327 19.7691 113 -0.1 97
IV.T1217.EHZ. 2017-02-28T21:18:13.96 1.0 undecidable manual P 71 19.6692 113 -0.04 25
IV.CESX.HHZ. 2017-02-28T21:18:12.52 0.1 positive manual P 242 10.7781 127 0.06 99
IV.ARRO.EHZ. 2017-02-28T21:18:12.54 0.1 positive manual P 149 9.7791 130 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.8 0.008365000000000001 1.04 AML other m 2017-02-28T21:18:15.23
IV.ARRO.EHE. ML:2.8 0.008150000000000001 0.26 AML other m 2017-02-28T21:18:16.84
IV.ARRO.EHN. ML:2.8 0.008055 0.66 AML other m 2017-02-28T21:18:17.39
IV.CESX.HHE. ML:2.8 0.0094 0.56 AML other m 2017-02-28T21:18:17.39
IV.T1215.HNE. ML:2.3 0.0015350000000000001 1.24 AML other m 2017-02-28T21:18:17.74
IV.T1215.EHE. ML:2.3 0.00148 1.24 AML other m 2017-02-28T21:18:17.74
IV.T1217.HNE. ML:2.5 0.00259 0.26 AML other m 2017-02-28T21:18:18.13
IV.T1217.EHE. ML:2.5 0.0023650000000000003 0.24 AML other m 2017-02-28T21:18:18.13
IV.MOMA.HNN. ML:2.8 0.005135 0.22 AML other m 2017-02-28T21:18:18.21
IV.MOMA.HHN. ML:2.8 0.00541 0.22 AML other m 2017-02-28T21:18:18.21
IV.T1211.HNN. ML:2.7 0.004189999999999999 1.24 AML other m 2017-02-28T21:18:18.35
IV.T1211.EHN. ML:2.7 0.004059999999999999 1.22 AML other m 2017-02-28T21:18:18.36
IV.T1211.HNE. ML:2.6 0.003355 0.44 AML other m 2017-02-28T21:18:18.75
IV.T1211.EHE. ML:2.6 0.003335 0.44 AML other m 2017-02-28T21:18:18.76
IV.MOMA.HHE. ML:2.7 0.00404 1.24 AML other m 2017-02-28T21:18:19.92
IV.MOMA.HNE. ML:2.7 0.00392 1.24 AML other m 2017-02-28T21:18:19.92
IV.T1217.HNN. ML:2.5 0.002355 1.66 AML other m 2017-02-28T21:18:20.09
IV.T1217.EHN. ML:2.5 0.0024100000000000002 1.68 AML other m 2017-02-28T21:18:20.93
IV.T1215.HNN. ML:2.2 0.001315 1.36 AML other m 2017-02-28T21:18:21.74
IV.T1215.EHN. ML:2.3 0.001375 1.04 AML other m 2017-02-28T21:18:21.74
IV.LNSS.HHN. ML:2.6 0.002345 0.26 AML other m 2017-02-28T21:18:21.28
IV.TERO.HNE. ML:2.1 0.00018235000000000001 0.48 AML other m 2017-02-28T21:18:22.36
IV.LNSS.HHE. ML:2.7 0.0024100000000000002 0.26 AML other m 2017-02-28T21:18:22.89
IV.T1212.HNE. ML:2.5 0.001545 1.58 AML other m 2017-02-28T21:18:22.90
IV.T1216.EHE. ML:3.0 0.004019999999999999 0.3 AML other m 2017-02-28T21:18:23.15
IV.T1212.EHE. ML:2.5 0.001495 0.98 AML other m 2017-02-28T21:18:23.59
IV.T1218.HNN. ML:2.5 0.0012900000000000001 1.44 AML other m 2017-02-28T21:18:24.79
IV.T1218.EHN. ML:2.4 0.001229 1.42 AML other m 2017-02-28T21:18:24.79
IV.T1216.EHN. ML:2.9 0.0030099999999999997 0.88 AML other m 2017-02-28T21:18:24.02
IV.NRCA.HHN. ML:2.2 0.000631 1.04 AML other m 2017-02-28T21:18:25.09
IV.NRCA.HNN. ML:2.3 0.0006730000000000001 1.04 AML other m 2017-02-28T21:18:25.09
IV.T1212.HNN. ML:2.4 0.0011899999999999999 0.66 AML other m 2017-02-28T21:18:25.46
IV.T1218.HNE. ML:2.2 0.0007624999999999999 1.22 AML other m 2017-02-28T21:18:25.74
IV.T1212.EHN. ML:2.4 0.00121 0.66 AML other m 2017-02-28T21:18:25.46
IV.ASSB.HHN. ML:2.3 0.000614 0.38 AML other m 2017-02-28T21:18:25.21
IV.T1218.EHE. ML:2.2 0.0007355 0.92 AML other m 2017-02-28T21:18:25.75
IV.RM33.EHE. ML:2.4 0.000801 1.16 AML other m 2017-02-28T21:18:26.35
IV.RM33.HNE. ML:2.4 0.0008175 1.18 AML other m 2017-02-28T21:18:26.35
IV.RM33.HNN. ML:2.4 0.0008825 0.38 AML other m 2017-02-28T21:18:27.00
IV.CESI.HHN. ML:2.4 0.000942 0.7 AML other m 2017-02-28T21:18:27.24
IV.ASSB.HHE. ML:2.3 0.0006879999999999999 0.34 AML other m 2017-02-28T21:18:27.47
IV.RM33.EHN. ML:2.4 0.0008879999999999999 1.08 AML other m 2017-02-28T21:18:27.00
IV.FDMO.HHE. ML:2.2 0.000378 0.3 AML other m 2017-02-28T21:18:27.62
IV.T1219.EHN. ML:2.3 0.000495 0.2 AML other m 2017-02-28T21:18:27.77
IV.T1214.EHN. ML:2.1 0.0004115 0.98 AML other m 2017-02-28T21:18:27.31
IV.T1214.HNN. ML:2.1 0.0004075 1 AML other m 2017-02-28T21:18:27.30
IV.T1219.EHE. ML:2.3 0.0005635 0.52 AML other m 2017-02-28T21:18:27.98
IV.T1299.HNE. ML:2.2 0.000512 0.98 AML other m 2017-02-28T21:18:28.70
IV.NRCA.HNE. ML:2.3 0.0007645 0.86 AML other m 2017-02-28T21:18:28.23
IV.NRCA.HHE. ML:2.3 0.0007425 0.86 AML other m 2017-02-28T21:18:28.23
IV.T1299.EHN. ML:2.1 0.00033199999999999994 0.76 AML other m 2017-02-28T21:18:28.83
IV.T1299.HNN. ML:2.0 0.000311 0.78 AML other m 2017-02-28T21:18:28.45
IV.CESI.HHE. ML:2.5 0.001037 1.18 AML other m 2017-02-28T21:18:28.24
IV.T1214.HNE. ML:2.3 0.000744 0.26 AML other m 2017-02-28T21:18:29.32
IV.T1214.EHE. ML:2.3 0.0007235000000000001 0.26 AML other m 2017-02-28T21:18:29.33
IV.SMA1.EHN. ML:2.6 0.0009445 0.42 AML other m 2017-02-28T21:18:29.41
IV.FDMO.HHN. ML:2.3 0.00047349999999999996 0.86 AML other m 2017-02-28T21:18:29.85
IV.MGAB.HNN. ML:2.4 0.0006075 0.4 AML other m 2017-02-28T21:18:29.58
IV.MGAB.HHN. ML:2.5 0.0006835 1.16 AML other m 2017-02-28T21:18:30.58
IV.T1299.EHE. ML:2.2 0.0004535 1.36 AML other m 2017-02-28T21:18:30.91
IV.SMA1.EHE. ML:2.4 0.0007015 0.92 AML other m 2017-02-28T21:18:30.13
IV.FIAM.HHN. ML:2.2 0.00035350000000000003 0.78 AML other m 2017-02-28T21:18:30.25
IV.T1241.EHN. ML:2.0 0.0001985 1.52 AML other m 2017-02-28T21:18:30.00
IV.T1241.HNN. ML:2.2 0.00028550000000000005 1.52 AML other m 2017-02-28T21:18:31.21
IV.SRES.HHE. ML:2.0 0.00029400000000000004 0.36 AML other m 2017-02-28T21:18:31.39
IV.CSP1.EHE. ML:2.4 0.00046499999999999997 0.52 AML other m 2017-02-28T21:18:31.85
IV.SRES.HHN. ML:2.0 0.000249 0.32 AML other m 2017-02-28T21:18:32.35
IV.MGAB.HHE. ML:2.7 0.001155 0.4 AML other m 2017-02-28T21:18:32.27
IV.MGAB.HNE. ML:2.7 0.0011400000000000002 0.42 AML other m 2017-02-28T21:18:32.27
IV.GUMA.HNN. ML:2.5 0.0006005 0.76 AML other m 2017-02-28T21:18:33.31
IV.CSP1.EHN. ML:2.3 0.0003945 0.68 AML other m 2017-02-28T21:18:34.33
IV.T1241.HNE. ML:2.1 0.000263 0.62 AML other m 2017-02-28T21:18:35.58
IV.T1247.HHN. ML:2.5 0.000749 1.1 AML other m 2017-02-28T21:18:36.70
IV.FIAM.HHE. ML:2.3 0.00054 0.98 AML other m 2017-02-28T21:18:36.16
IV.T1247.HHE. ML:2.4 0.000669 0.34 AML other m 2017-02-28T21:18:36.79
IV.T1241.EHE. ML:2.1 0.0002275 0.32 AML other m 2017-02-28T21:18:37.23
IV.GUMA.HHE. ML:2.7 0.0008900000000000001 0.44 AML other m 2017-02-28T21:18:37.60
IV.TERO.HHN. ML:2.1 0.000193 0.5 AML other m 2017-02-28T21:18:38.26
IV.TERO.HNN. ML:2.1 0.000202 0.52 AML other m 2017-02-28T21:18:38.26
IV.CERT.HHN. ML:2.1 0.0001735 0.86 AML other m 2017-02-28T21:18:38.54
IV.CING.HHN. ML:2.2 0.00017549999999999998 0.26 AML other m 2017-02-28T21:18:39.13
IV.TERO.HHE. ML:2.0 0.00014950000000000003 0.42 AML other m 2017-02-28T21:18:39.39
IV.GUMA.HHN. ML:2.5 0.00054 0.96 AML other m 2017-02-28T21:18:41.26
IV.FAGN.HHN. ML:2.5 0.000448 0.42 AML other m 2017-02-28T21:18:41.43
IV.GUMA.HNE. ML:2.6 0.0007475 1.16 AML other m 2017-02-28T21:18:41.62
IV.EL6.EHE. ML:2.6 0.0006265 1.5 AML other m 2017-02-28T21:18:42.75
IV.CERT.HHE. ML:2.4 0.000341 0.38 AML other m 2017-02-28T21:18:42.98
IV.EL6.EHN. ML:2.6 0.0005245 0.28 AML other m 2017-02-28T21:18:43.26
IV.ARVD.HHE. ML:2.2 0.000151 0.48 AML other m 2017-02-28T21:18:45.57
IV.FAGN.HHE. ML:2.6 0.000501 1.52 AML other m 2017-02-28T21:18:46.92
IV.CING.HHE. ML:2.1 0.000136 0.36 AML other m 2017-02-28T21:18:47.20
IV.ARVD.HHN. ML:2.0 0.0001048 1.44 AML other m 2017-02-28T21:18:49.16
IV.APRC.EHE. ML:3.2 0.000265 0.36 AML other m 2017-02-28T21:19:25.63
IV.APRC.EHN. ML:4.8 0.011545 0.58 AML other m 2017-02-28T21:19:30.35
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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