Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-04-2017 and time 23:13:16 (Italy) in region 5 km NW Visso (MC)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Visso (MC), on

  • 27-04-2017 21:13:16 (UTC)
  • 27-04-2017 23:13:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9660, 13.0530 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
Visso MC 5 1107 1107
Monte Cavallo MC 5 145 1252
Ussita MC 7 444 1696
Fiordimonte MC 9 202 1898
Pieve Torina MC 9 1458 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Castelsantangelo sul Nera MC 11 281 5227
Fiastra MC 12 559 5786
Acquacanina MC 12 121 5907
Muccia MC 13 915 6822
Sellano PG 13 1079 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 15 142 9113
Camerino MC 19 6974 16087
Norcia PG 20 4957 21044
Cerreto di Spoleto PG 20 1075 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
99 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 2017-04-27
21:13:16		 42.966 13.0533 8 2019-07-19
13:21:01		 Bollettino Sismico Italiano INGV 63264421
Reviewed
Rev100 		ML 2.0 2017-04-27
21:13:15		 42.9657 13.049 8 2017-04-27
21:58:21		 Sala Sismica INGV-Roma 44500951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-27 21:13:16 ± 0.04
Latitude 42.9660 ± 0.0018
Longitude 13.0533 ± 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 63264421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
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) 44
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 63
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56477
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 63264421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-21 14:35:22

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 44500951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-27 21:58:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2017-04-27T21:13:33.95 0.6 undecidable manual S 224 54.9006 50 0.17 46
IV.MURB.HHZ. 2017-04-27T21:13:33.86 0.3 undecidable manual S 308 54.0015 50 0.31 67
IV.EL6.EHZ. 2017-04-27T21:13:33.24 3.0 undecidable manual S 0
IV.T1211.EHZ. 2017-04-27T21:13:32.99 0.3 undecidable manual S 199 50.7159 50 0.34 67
IV.CING.HHZ. 2017-04-27T21:13:31.75 0.3 undecidable manual S 14 46.8198 50 0.12 71
IV.T1299.EHZ. 2017-04-27T21:13:30.16 0.3 undecidable manual S 153 41.2254 50 0.02 73
IV.EL6.EHZ. 2017-04-27T21:13:30.44 3.0 undecidable manual P 0
IV.FOSV.EHZ. 2017-04-27T21:13:30.85 0.6 undecidable manual S 327 43.5231 50 0.12 47
IV.ATCC.EHE. 2017-04-27T21:13:30.45 0.6 undecidable manual S 306 41.4252 50 0.28 46
IV.SMA1.EHZ. 2017-04-27T21:13:30.54 0.6 undecidable manual S 148 43.7229 50 -0.26 46
IV.LNSS.HHZ. 2017-04-27T21:13:29.42 0.6 undecidable manual S 182 40.3263 50 -0.46 44
IV.T1222.EHZ. 2017-04-27T21:13:27.94 0.6 undecidable manual P 181 62.6928 50 0.48 42
IV.T1244.EHZ. 2017-04-27T21:13:27.32 0.3 undecidable manual S 139 30.5472 105 0.36 69
IV.T1218.HNE. 2017-04-27T21:13:27.66 0.6 undecidable manual S 171 33.2445 104 -0.21 47
IV.ASSB.HHZ. 2017-04-27T21:13:27.64 3.0 undecidable manual S -0.04 0
IV.T1241.HNN. 2017-04-27T21:13:27.73 0.6 undecidable manual S 111 33.0447 104 -0.07 49
IV.ARVD.HHZ. 2017-04-27T21:13:26.93 0.3 undecidable manual P 351 59.6958 50 -0.08 70
IV.T1217.HNE. 2017-04-27T21:13:26.75 0.6 undecidable manual S 199 29.8479 105 0.01 50
IV.MURB.HHZ. 2017-04-27T21:13:26.13 0.1 undecidable manual P 308 54.0015 50 0 95
IV.TERO.HHZ. 2017-04-27T21:13:26.52 0.3 undecidable manual P 130 58.7967 50 -0.34 66
IV.T1214.EHZ. 2017-04-27T21:13:25.34 0.3 undecidable manual S 151 26.1516 107 -0.16 73
IV.T1211.EHZ. 2017-04-27T21:13:25.34 0.6 undecidable manual P 199 50.7159 50 -0.27 45
IV.GUMA.HHZ. 2017-04-27T21:13:25.69 0.1 undecidable manual S 65 25.2525 108 0.49 91
IV.CESX.HHZ. 2017-04-27T21:13:25.91 0.3 undecidable manual P 224 54.9006 50 -0.36 66
IV.ARRO.EHZ. 2017-04-27T21:13:25.09 0.1 undecidable manual P 209 48.9177 50 -0.25 92
IV.T1213.HNE. 2017-04-27T21:13:25.83 0.3 undecidable manual S 168 27.3504 106 -0.08 74
IV.SMA1.EHZ. 2017-04-27T21:13:24.35 0.1 undecidable manual P 148 43.7229 50 -0.19 94
IV.T1221.HNE. 2017-04-27T21:13:24.04 1.0 undecidable manual S 235 20.4684 112 0.41 23
IV.MNTP.HNZ. 2017-04-27T21:13:24.04 0.3 undecidable manual P 60 38.7279 50 0.27 70
IV.CING.HHZ. 2017-04-27T21:13:24.89 0.1 undecidable manual P 14 46.8198 50 -0.14 94
XO.AM05.HNZ. 2017-04-27T21:13:24.49 0.6 undecidable manual S 87 24.3534 108 -0.4 46
IV.MMO1.HNN. 2017-04-27T21:13:24.63 0.3 undecidable manual S 108 23.3544 109 0.04 75
IV.FOSV.EHZ. 2017-04-27T21:13:24.24 0.3 undecidable manual P 327 43.5231 50 -0.26 69
IV.ATCC.EHE. 2017-04-27T21:13:24.58 0.6 undecidable manual P 306 41.4252 50 0.4 45
IV.MOMA.HNZ. 2017-04-27T21:13:24.88 0.3 undecidable manual P 246 43.2234 50 0.42 67
IV.T1212.EHZ. 2017-04-27T21:13:24.90 0.3 undecidable manual S 182 23.754 109 0.18 73
IV.LNSS.HHZ. 2017-04-27T21:13:23.72 0.6 undecidable manual P 182 40.3263 50 -0.3 46
IV.T1201.HNN. 2017-04-27T21:13:23.57 0.6 undecidable manual P 155 37.8288 50 -0.06 49
IV.T1299.EHZ. 2017-04-27T21:13:23.94 0.1 undecidable manual P 153 41.2254 50 -0.22 93
IV.T1217.HNE. 2017-04-27T21:13:22.03 0.6 undecidable manual P 199 29.8479 105 -0.17 48
IV.T1213.HNE. 2017-04-27T21:13:22.95 0.3 undecidable manual P 168 27.3504 106 1.23 49
IV.NRCA.HHZ. 2017-04-27T21:13:22.11 0.3 undecidable manual S 161 15.4734 118 0.04 76
IV.ASSB.HHZ. 2017-04-27T21:13:22.47 3.0 undecidable manual P -0.26 0
IV.T1241.HNN. 2017-04-27T21:13:22.53 0.6 undecidable manual P 111 33.0447 104 -0.28 47
IV.T1245.HHZ. 2017-04-27T21:13:22.52 0.3 undecidable manual S 138 16.3725 116 0.2 73
IV.T1244.EHZ. 2017-04-27T21:13:22.24 0.3 undecidable manual P 139 30.5472 105 -0.09 73
IV.CSP1.EHE. 2017-04-27T21:13:22.88 0.3 undecidable manual S 41 18.5703 113 -0.15 74
IV.T1218.HNE. 2017-04-27T21:13:22.45 0.3 undecidable manual P 171 33.2445 104 -0.4 68
IV.T1214.EHZ. 2017-04-27T21:13:21.33 0.1 undecidable manual P 151 26.1516 107 -0.16 97
IV.CESI.HHZ. 2017-04-27T21:13:21.30 0.6 undecidable manual S 290 12.7761 122 0.04 51
IV.GUMA.HHZ. 2017-04-27T21:13:21.54 0.1 undecidable manual P 65 25.2525 108 0.23 96
XO.AM05.HNZ. 2017-04-27T21:13:21.24 0.6 undecidable manual P 87 24.3534 108 0.11 49
IV.MC2.EHE. 2017-04-27T21:13:21.46 0.3 undecidable manual S 119 12.5763 123 0.28 73
IV.MMO1.HNN. 2017-04-27T21:13:20.79 0.1 undecidable manual P 108 23.3544 109 -0.17 97
IV.CSP1.EHE. 2017-04-27T21:13:20.16 0.3 undecidable manual P 41 18.5703 113 0.1 75
IV.T1216.EHE. 2017-04-27T21:13:20.10 0.6 undecidable manual S 199 8.7801 132 -0.05 51
IV.T1212.EHZ. 2017-04-27T21:13:20.97 0.1 negative manual P 182 23.754 109 -0.07 99
IV.T1219.EHE. 2017-04-27T21:13:20.22 0.3 undecidable manual S 338 10.6782 127 -0.44 71
IV.T1221.HNE. 2017-04-27T21:13:20.64 0.6 undecidable manual P 235 20.4684 112 0.24 48
IV.CESI.HHZ. 2017-04-27T21:13:19.10 0.3 undecidable manual P 290 12.7761 122 0.07 76
IV.MC2.EHE. 2017-04-27T21:13:19.14 0.1 undecidable manual P 119 12.5763 123 0.15 100
IV.FDMO.HHN. 2017-04-27T21:13:19.70 0.3 undecidable manual S 19 8.2806 134 -0.31 73
IV.NRCA.HHZ. 2017-04-27T21:13:19.61 0.1 positive manual P 161 15.4734 118 0.11 100
IV.T1245.HHZ. 2017-04-27T21:13:19.70 0.3 undecidable manual P 138 16.3725 116 0.05 76
IV.T1216.EHE. 2017-04-27T21:13:18.24 0.3 undecidable manual P 199 8.7801 132 -0.15 75
IV.T1219.EHE. 2017-04-27T21:13:18.58 0.6 undecidable manual P 338 10.6782 127 -0.11 50
IV.FDMO.HHN. 2017-04-27T21:13:18.20 0.3 undecidable manual P 19 8.2806 134 -0.12 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.8 0.0001285 0.28 AML other m 2017-04-27T21:13:36.58
IV.NRCA.HHN. ML:2.1 0.001585 1.86 AML other m 2017-04-27T21:13:22.01
IV.NRCA.HNN. ML:2.0 0.00156 0.98 AML other m 2017-04-27T21:13:22.95
IV.T1245.HNE. ML:2.2 0.00146 0.34 AML other m 2017-04-27T21:13:23.22
IV.T1245.HHN. ML:2.3 0.0020299999999999997 0.46 AML other m 2017-04-27T21:13:23.30
IV.T1245.HNN. ML:2.3 0.0020949999999999996 0.44 AML other m 2017-04-27T21:13:23.31
IV.CESI.HHE. ML:2.0 0.001365 0.48 AML other m 2017-04-27T21:13:23.51
IV.NRCA.HHE. ML:2.0 0.001375 0.16 AML other m 2017-04-27T21:13:23.81
IV.NRCA.HNE. ML:2.0 0.00131 0.14 AML other m 2017-04-27T21:13:23.81
IV.T1245.HHE. ML:2.1 0.0012549999999999998 0.22 AML other m 2017-04-27T21:13:24.12
IV.T1212.HNE. ML:1.9 0.000578 0.34 AML other m 2017-04-27T21:13:25.23
IV.T1212.EHE. ML:1.9 0.0005455 0.32 AML other m 2017-04-27T21:13:25.23
IV.T1214.EHN. ML:2.0 0.0005635 0.22 AML other m 2017-04-27T21:13:26.05
IV.T1214.HNN. ML:2.0 0.0005740000000000001 0.18 AML other m 2017-04-27T21:13:26.24
IV.T1212.HNN. ML:1.9 0.000494 1.1 AML other m 2017-04-27T21:13:26.26
IV.T1212.EHN. ML:1.9 0.0004875 1.08 AML other m 2017-04-27T21:13:26.81
IV.T1214.HNE. ML:1.9 0.0004895 0.44 AML other m 2017-04-27T21:13:27.46
IV.T1214.EHE. ML:1.9 0.00045650000000000004 0.42 AML other m 2017-04-27T21:13:27.47
IV.ASSB.HHN. ML:2.3 0.000988 0.16 AML other m 2017-04-27T21:13:27.87
IV.ASSB.HHE. ML:2.1 0.0006085 0.64 AML other m 2017-04-27T21:13:29.00
IV.T1299.EHN. ML:1.9 0.00027100000000000003 0.26 AML other m 2017-04-27T21:13:31.18
IV.T1299.EHE. ML:1.9 0.000245 0.86 AML other m 2017-04-27T21:13:31.65
IV.SMA1.EHE. ML:1.8 0.000216 0.58 AML other m 2017-04-27T21:13:31.47
IV.TERO.HHN. ML:1.9 0.000168 0.58 AML other m 2017-04-27T21:13:35.23
IV.CESX.HHN. ML:1.8 0.0001315 0.84 AML other m 2017-04-27T21:13:35.64
IV.CESX.HHE. ML:1.9 0.00020449999999999998 0.52 AML other m 2017-04-27T21:13:37.54
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