Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 20-01-2017 and time 23:02:08 (UTC) in region 1 km E Fiordimonte (MC)

A magnitude ML 1.8 earthquake occured in region: 1 km E Fiordimonte (MC), on

  • 20-01-2017 23:02:08 (UTC)
  • 21-01-2017 00:02:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0380, 13.1080 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Fiordimonte MC 1 202 202
Pievebovigliana MC 3 866 1068
Fiastra MC 4 559 1627
Pieve Torina MC 5 1458 3085
Acquacanina MC 6 121 3206
Muccia MC 7 915 4121
Monte Cavallo MC 10 145 4266
Ussita MC 11 444 4710
Bolognola MC 11 142 4852
Camerino MC 11 6974 11826
Visso MC 12 1107 12933
Serravalle di Chienti MC 13 1070 14003
Cessapalombo MC 15 512 14515
Caldarola MC 15 1823 16338
Sarnano MC 16 3264 19602
Castelsantangelo sul Nera MC 16 281 19883
Camporotondo di Fiastrone MC 17 563 20446
Serrapetrona MC 17 966 21412
Sefro MC 18 422 21834
Belforte del Chienti MC 18 1886 23720
Preci PG 19 724 24444
Pioraco MC 19 1134 25578
San Ginesio MC 19 3498 29076
Gualdo MC 19 815 29891
Castelraimondo MC 20 4587 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 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
Reviewed
Rev100 		ML 1.8 2017-01-20
23:02:08		 43.0383 13.1082 10 2017-01-20
23:13:07		 Sala Sismica INGV-Roma 39440201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 23:02:08 ± 0.03
Latitude 43.0383 ± 0.0009
Longitude 13.1082 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39440201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 265
Semi-minor axis of confidence ellipse (meter) 41
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47484
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 11
Type of magnitude ML
Reference to an origin 39440201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 23:13:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2017-01-20T23:02:33.35 3.0 undecidable manual S -0.24 0
IV.APEC.HHZ. 2017-01-20T23:02:32.73 3.0 undecidable manual S -1.96 0
IV.ARRO.EHZ. 2017-01-20T23:02:27.43 3.0 undecidable manual S -0.32 0
IV.SSFR.HHZ. 2017-01-20T23:02:25.49 0.1 undecidable manual S 329 51.4152 50 0.31 86
IV.ARVD.HHZ. 2017-01-20T23:02:25.99 0.1 undecidable manual S 345 52.7028 50 0.45 83
IV.FOSV.EHZ. 2017-01-20T23:02:22.27 0.1 undecidable manual S 315 39.9267 50 0.14 91
IV.PIEI.HHZ. 2017-01-20T23:02:22.41 3.0 undecidable manual P 0.5 0
IV.T1218.EHZ. 2017-01-20T23:02:22.29 0.1 undecidable manual S 179 40.8258 50 -0.08 92
IV.ASSB.HHZ. 2017-01-20T23:02:21.03 0.1 undecidable manual S 271 36.4413 50 -0.16 91
IV.T1217.EHZ. 2017-01-20T23:02:21.78 0.1 undecidable manual S 202 38.9277 50 -0.08 92
IV.T1202.EHZ. 2017-01-20T23:02:21.91 0.1 undecidable manual S 166 38.3283 50 0.21 90
IV.CING.HHN. 2017-01-20T23:02:21.54 0.1 undecidable manual S 11 38.0286 50 -0.09 92
IV.EL6.EHZ. 2017-01-20T23:02:20.04 0.1 undecidable manual S 359 32.2455 50 -0.04 94
IV.T1212.EHZ. 2017-01-20T23:02:19.97 0.1 undecidable manual S 189 32.2455 50 -0.1 93
IV.RM33.EHZ. 2017-01-20T23:02:19.44 3.0 undecidable manual P -0.07 0
IV.T1215.EHZ. 2017-01-20T23:02:19.84 0.1 undecidable manual S 217 32.6451 50 -0.34 88
IV.MOMA.HHZ. 2017-01-20T23:02:18.56 3.0 undecidable manual P 0.3 0
IV.SNTG.HHZ. 2017-01-20T23:02:18.47 0.1 undecidable manual S 331 27.5502 50 -0.36 89
IV.SSFR.HHZ. 2017-01-20T23:02:18.50 0.1 undecidable manual P 329 51.4152 50 0.25 87
IV.ARVD.HHZ. 2017-01-20T23:02:18.65 0.1 undecidable manual P 345 52.7028 50 0.19 88
IV.GAG1.HNZ. 2017-01-20T23:02:17.13 0.1 undecidable manual S 352 22.3554 114 -0.17 93
IV.LNSS.HHZ. 2017-01-20T23:02:17.80 3.0 positive manual P 0.05 0
IV.SMA1.EHZ. 2017-01-20T23:02:17.46 3.0 negative manual P -0.3 0
IV.GUMA.HHZ. 2017-01-20T23:02:16.21 0.1 undecidable manual S 82 18.5703 118 0.09 95
IV.T1217.EHZ. 2017-01-20T23:02:16.30 0.1 undecidable manual P 202 38.9277 50 -0.04 93
IV.T1202.EHZ. 2017-01-20T23:02:16.22 0.1 undecidable manual P 166 38.3283 50 -0.02 94
IV.T1218.EHZ. 2017-01-20T23:02:16.46 0.1 undecidable manual P 179 40.8258 50 -0.17 90
IV.CING.HHN. 2017-01-20T23:02:16.16 0.1 undecidable manual P 11 38.0286 50 -0.04 93
IV.T1299.EHZ. 2017-01-20T23:02:16.13 3.0 positive manual P -1.33 0
IV.SSM1.HNE. 2017-01-20T23:02:16.99 0.1 undecidable manual S 15 21.867 115 -0.14 94
IV.FOSV.EHZ. 2017-01-20T23:02:16.52 0.1 undecidable manual P 315 39.9267 50 0.03 93
IV.MC2.EHZ. 2017-01-20T23:02:15.11 0.1 undecidable manual S 155 15.5733 123 -0.09 96
IV.EL6.EHZ. 2017-01-20T23:02:15.21 0.1 undecidable manual P 359 32.2455 50 -0.09 93
IV.MDAR.HNZ. 2017-01-20T23:02:15.49 0.1 undecidable manual S 9 17.3715 120 -0.25 93
IV.T1212.EHZ. 2017-01-20T23:02:15.28 0.1 undecidable manual P 189 32.2455 50 -0.02 95
IV.T1216.EHZ. 2017-01-20T23:02:15.87 0.1 undecidable manual S 204 17.871 119 -0.04 97
IV.T1215.EHZ. 2017-01-20T23:02:15.36 0.1 undecidable manual P 217 32.6451 50 0 95
IV.CESI.HHZ. 2017-01-20T23:02:15.80 0.1 undecidable manual S 257 16.9719 121 0.18 94
IV.ASSB.HHZ. 2017-01-20T23:02:15.92 0.1 undecidable manual P 271 36.4413 50 -0.03 94
IV.SNTG.HHZ. 2017-01-20T23:02:14.40 0.1 undecidable manual P 331 27.5502 50 -0.19 92
IV.FEMA.HNZ. 2017-01-20T23:02:13.76 0.1 undecidable manual S 209 9.6792 136 0.13 96
IV.GUMA.HHZ. 2017-01-20T23:02:13.26 0.1 positive manual P 82 18.5703 118 0.24 93
IV.GAG1.HNZ. 2017-01-20T23:02:13.72 0.1 undecidable manual P 352 22.3554 114 0.02 96
IV.T1220.EHZ. 2017-01-20T23:02:13.24 0.1 undecidable manual S 349 8.0808 141 -0.03 99
IV.SSM1.HNE. 2017-01-20T23:02:13.61 0.1 undecidable manual P 15 21.867 115 0.01 97
IV.CESI.HHZ. 2017-01-20T23:02:12.97 0.1 positive manual P 257 16.9719 121 0.24 93
IV.MC2.EHZ. 2017-01-20T23:02:12.57 0.1 undecidable manual P 155 15.5733 123 0.08 96
IV.MDAR.HNZ. 2017-01-20T23:02:12.78 0.1 undecidable manual P 9 17.3715 120 -0.02 97
IV.T1216.EHZ. 2017-01-20T23:02:12.99 0.1 undecidable manual P 204 17.871 119 0.09 96
IV.T1220.EHZ. 2017-01-20T23:02:11.46 0.1 undecidable manual P 349 8.0808 141 0.09 97
IV.FDMO.HHZ. 2017-01-20T23:02:11.92 0.1 undecidable manual S 263 1.6983 170 -0.4 92
IV.FEMA.HNZ. 2017-01-20T23:02:11.83 0.1 undecidable manual P 209 9.6792 136 0.25 94
IV.FDMO.HHZ. 2017-01-20T23:02:10.82 0.1 undecidable manual P 263 1.6983 170 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.6 0.0001615 0.12 AML other m 2017-01-20T23:02:21.43
IV.ASSB.HHE. ML:1.6 0.000147 0.72 AML other m 2017-01-20T23:02:21.56
IV.CESI.HHN. ML:1.8 0.0005055000000000001 1.82 AML other m 2017-01-20T23:02:15.04
IV.CESI.HHE. ML:1.7 0.00041000000000000005 1.5 AML other m 2017-01-20T23:02:16.94
IV.EL6.EHN. ML:2.0 0.0004545 1.26 AML other m 2017-01-20T23:02:21.11
IV.EL6.EHE. ML:1.9 0.00035 0.28 AML other m 2017-01-20T23:02:21.46
IV.GUMA.HHE. ML:2.0 0.0007315 0.26 AML other m 2017-01-20T23:02:16.57
IV.GUMA.HNN. ML:1.9 0.0006725000000000001 0.3 AML other m 2017-01-20T23:02:16.64
IV.GUMA.HHN. ML:2.0 0.000745 0.3 AML other m 2017-01-20T23:02:16.64
IV.GUMA.HNE. ML:1.9 0.0006125000000000001 0.54 AML other m 2017-01-20T23:02:16.88
IV.LNSS.HHN. ML:2.0 0.0002595 1.88 AML other m 2017-01-20T23:02:25.94
IV.LNSS.HHE. ML:1.9 0.00019800000000000002 1 AML other m 2017-01-20T23:02:25.31
IV.MOMA.HHE. ML:1.7 0.000125 0.16 AML other m 2017-01-20T23:02:27.43
IV.MOMA.HHN. ML:1.6 0.0001 1.3 AML other m 2017-01-20T23:02:27.77
IV.SMA1.EHE. ML:1.7 0.00012275 0.14 AML other m 2017-01-20T23:02:25.34
IV.SMA1.EHN. ML:1.7 0.00013900000000000002 0.26 AML other m 2017-01-20T23:02:25.68
IV.SSFR.HHN. ML:1.7 0.0001325 1.26 AML other m 2017-01-20T23:02:27.77
IV.SSFR.HHE. ML:1.7 0.00011649999999999999 0.14 AML other m 2017-01-20T23:02:28.52
IV.T1212.EHN. ML:1.9 0.00032250000000000003 0.96 AML other m 2017-01-20T23:02:20.21
IV.T1212.HNN. ML:1.8 0.000301 0.96 AML other m 2017-01-20T23:02:20.21
IV.T1212.HNE. ML:1.8 0.00030500000000000004 0.12 AML other m 2017-01-20T23:02:20.21
IV.T1212.EHE. ML:1.9 0.000321 0.1 AML other m 2017-01-20T23:02:20.21
IV.T1215.EHN. ML:1.8 0.000263 0.32 AML other m 2017-01-20T23:02:20.32
IV.T1215.EHE. ML:1.5 0.0001384 0.22 AML other m 2017-01-20T23:02:20.56
IV.T1217.EHN. ML:1.8 0.00020750000000000003 0.14 AML other m 2017-01-20T23:02:22.49
IV.T1217.EHE. ML:1.6 0.00014250000000000002 1.06 AML other m 2017-01-20T23:02:22.57
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