Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-12-2017 and time 12:09:32 (UTC) in region 4 km SW Fiastra (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Fiastra (MC), on

  • 27-12-2017 12:09:32 (UTC)
  • 27-12-2017 13:09:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0080, 13.1260 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
Fiastra MC 4 559 559
Fiordimonte MC 4 202 761
Acquacanina MC 5 121 882
Pievebovigliana MC 7 866 1748
Ussita MC 7 444 2192
Pieve Torina MC 7 1458 3650
Bolognola MC 8 142 3792
Visso MC 9 1107 4899
Monte Cavallo MC 10 145 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 13 281 6240
Sarnano MC 15 3264 9504
Camerino MC 15 6974 16478
Cessapalombo MC 16 512 16990
Serravalle di Chienti MC 16 1070 18060
Preci PG 16 724 18784
Caldarola MC 17 1823 20607
Camporotondo di Fiastrone MC 18 563 21170
Gualdo MC 19 815 21985
Amandola FM 19 3629 25614
Montefortino FM 19 1178 26792
San Ginesio MC 19 3498 30290
Serrapetrona MC 20 966 31256
Belforte del Chienti MC 20 1886 33142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
61 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NW of Montesilvano (53738 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 2017-12-27
12:09:32		 43.0082 13.1258 8 2019-03-25
14:09:22		 Bollettino Sismico Italiano INGV 62113351
Reviewed
Rev100 		ML 2.1 2017-12-27
12:09:32		 42.9975 13.1248 10 2017-12-27
12:31:18		 Sala Sismica INGV-Roma 52847561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-27 12:09:32 ± 0.06
Latitude 43.0082 ± 0.0036
Longitude 13.1258 ± 0.0049
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 62113351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.68798
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 62113351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-19 14:14:09

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 56
Type of magnitude ML
Reference to an origin 52847561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-27 12:31:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2017-12-27T12:09:57.47 0.6 undecidable manual S 321 75.4689 50 1.27 28
IV.ATVO.HHZ. 2017-12-27T12:09:56.22 0.6 undecidable manual S 306 71.4729 50 1.11 31
IV.MURB.HHZ. 2017-12-27T12:09:52.43 0.3 undecidable manual S 300 56.2992 50 1.36 42
IV.TERO.HHZ. 2017-12-27T12:09:51.92 0.3 undecidable manual S 138 57.7977 50 0.45 63
IV.SSFR.HHZ. 2017-12-27T12:09:51.28 0.3 undecidable manual S 330 55.0005 50 0.55 61
IV.ARVD.HHZ. 2017-12-27T12:09:51.68 0.3 undecidable manual S 345 56.2992 50 0.6 60
IV.LNSS.HHZ. 2017-12-27T12:09:48.55 0.6 undecidable manual S 189 45.5211 50 0.36 44
IV.ATCC.EHZ. 2017-12-27T12:09:48.26 0.3 undecidable manual S 297 44.0226 50 0.48 64
IV.CING.HHZ. 2017-12-27T12:09:47.08 0.3 undecidable manual S 8 41.1255 50 0.05 70
IV.SMA1.EHZ. 2017-12-27T12:09:47.92 0.6 undecidable manual S 158 45.2214 50 -0.2 45
IV.T1299.EHZ. 2017-12-27T12:09:47.76 0.6 undecidable manual S 163 43.4232 50 0.14 46
IV.PIEI.HHZ. 2017-12-27T12:09:46.09 0.3 undecidable manual P 321 75.4689 50 -0.26 63
IV.ATPI.EHZ. 2017-12-27T12:09:46.43 0.1 undecidable manual P 310 76.368 50 -0.05 88
IV.EL6.EHZ. 2017-12-27T12:09:45.28 0.3 undecidable manual S 357 35.6421 50 -0.29 68
IV.MTRA.EHZ. 2017-12-27T12:09:45.22 0.3 undecidable manual S 142 35.5422 50 -0.31 67
IV.ATVO.HHZ. 2017-12-27T12:09:45.57 0.1 undecidable manual P 306 71.4729 50 -0.15 87
IV.T1214.EHZ. 2017-12-27T12:09:43.37 0.6 undecidable manual S 166 28.3494 106 0.24 46
IV.ARVD.HHZ. 2017-12-27T12:09:43.05 0.3 undecidable manual P 345 56.2992 50 -0.35 64
IV.SNTG.HHZ. 2017-12-27T12:09:43.90 0.6 undecidable manual S 331 31.2465 104 -0.17 46
IV.RM33.EHZ. 2017-12-27T12:09:43.06 0.3 undecidable manual P 173 55.7997 50 -0.26 66
IV.TERO.HHZ. 2017-12-27T12:09:43.31 0.3 undecidable manual P 138 57.7977 50 -0.31 65
IV.MF5.EHZ. 2017-12-27T12:09:43.98 0.6 undecidable manual S 95 27.1506 106 1.26 31
IV.T1221.EHZ. 2017-12-27T12:09:43.27 0.3 undecidable manual S 234 27.9498 106 0.29 68
IV.MURB.HHZ. 2017-12-27T12:09:43.26 0.1 undecidable manual P 300 56.2992 50 -0.13 90
IV.MOMA.HHZ. 2017-12-27T12:09:42.37 0.3 undecidable manual P 244 50.5161 50 -0.13 68
IV.SSFR.HHZ. 2017-12-27T12:09:42.88 0.1 undecidable manual P 330 55.0005 50 -0.31 87
IV.ATCC.EHZ. 2017-12-27T12:09:41.31 0.1 undecidable manual P 297 44.0226 50 -0.18 91
IV.T1299.EHZ. 2017-12-27T12:09:41.16 0.3 undecidable manual P 163 43.4232 50 -0.24 67
IV.LNSS.HHZ. 2017-12-27T12:09:41.30 0.1 undecidable manual P 189 45.5211 50 -0.43 86
IV.SMA1.EHZ. 2017-12-27T12:09:41.12 0.1 undecidable manual P 158 45.2214 50 -0.56 83
IV.NRCA.HHZ. 2017-12-27T12:09:40.90 0.3 undecidable manual S 183 19.3695 112 0.73 61
IV.MMO1.EHZ. 2017-12-27T12:09:40.41 0.3 undecidable manual S 126 20.2686 111 -0.05 73
IV.GUMA.HHZ. 2017-12-27T12:09:40.64 0.3 undecidable manual S 70 17.9709 114 0.91 56
IV.CING.HHZ. 2017-12-27T12:09:40.73 0.1 undecidable manual P 8 41.1255 50 -0.32 89
IV.CESI.HHZ. 2017-12-27T12:09:40.15 0.3 undecidable manual S 269 17.9709 114 0.44 67
IV.MTRA.EHZ. 2017-12-27T12:09:39.63 0.3 undecidable manual P 142 35.5422 50 -0.56 63
IV.EL6.EHZ. 2017-12-27T12:09:39.86 0.1 positive manual P 357 35.6421 50 -0.35 89
IV.MF5.EHZ. 2017-12-27T12:09:39.00 0.1 undecidable manual P 95 27.1506 106 0.43 89
IV.T1221.EHZ. 2017-12-27T12:09:38.65 0.1 undecidable manual P 234 27.9498 106 -0.07 96
IV.MC2.EHZ. 2017-12-27T12:09:38.17 0.6 undecidable manual S 154 11.877 124 0.31 47
IV.T1214.EHZ. 2017-12-27T12:09:38.58 0.3 undecidable manual P 166 28.3494 106 -0.22 69
IV.SNTG.HHZ. 2017-12-27T12:09:38.88 0.1 undecidable manual P 331 31.2465 104 -0.47 87
IV.PF6.EHN. 2017-12-27T12:09:38.81 0.6 undecidable manual S 21 15.3735 117 -0.11 48
IV.CESI.HHZ. 2017-12-27T12:09:37.00 0.1 positive manual P 269 17.9709 114 0.17 95
IV.NRCA.HHZ. 2017-12-27T12:09:37.00 0.1 positive manual P 183 19.3695 112 -0.09 97
IV.FEMA.HNE. 2017-12-27T12:09:37.06 0.6 undecidable manual S 230 7.9809 135 0.25 48
IV.MMO1.EHZ. 2017-12-27T12:09:37.19 0.1 undecidable manual P 126 20.2686 111 -0.07 97
IV.CSP1.EHE. 2017-12-27T12:09:37.67 0.6 undecidable manual S 35 11.2776 125 -0.01 50
IV.GUMA.HHZ. 2017-12-27T12:09:37.28 0.1 negative manual P 70 17.9709 114 0.44 90
IV.PF6.EHN. 2017-12-27T12:09:36.36 0.1 undecidable manual P 21 15.3735 117 -0.01 99
IV.CSP1.EHE. 2017-12-27T12:09:35.69 0.1 undecidable manual P 35 11.2776 125 0.03 99
IV.MC2.EHZ. 2017-12-27T12:09:35.76 0.1 undecidable manual P 154 11.877 124 0 100
IV.FEMA.HNE. 2017-12-27T12:09:35.17 0.1 undecidable manual P 230 7.9809 135 0.01 100
IV.FDMO.HHN. 2017-12-27T12:09:35.10 0.3 undecidable manual S 315 4.3956 151 -0.95 56
IV.FDMO.HHN. 2017-12-27T12:09:34.24 0.1 undecidable manual P 315 4.3956 151 -0.48 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.9 0.00113 0.52 AML other m 2017-12-27T12:09:37.67
IV.CSP1.EHN. ML:1.7 0.000734 1.2 AML other m 2017-12-27T12:09:38.30
IV.NRCA.HNE. ML:2.2 0.0014377505 0.128 AML other m 2017-12-27T12:09:43.24
IV.CESI.HHE. ML:2.2 0.001545831 0.1408 AML other m 2017-12-27T12:09:41.32
IV.CESI.HHN. ML:2.4 0.0024147565000000003 0.2816 AML other m 2017-12-27T12:09:40.72
IV.NRCA.HNN. ML:2.2 0.001348798 0.1536 AML other m 2017-12-27T12:09:43.16
IV.NRCA.HHN. ML:2.2 0.0014370700000000001 0.1344 AML other m 2017-12-27T12:09:43.16
IV.NRCA.HHE. ML:2.3 0.001511927 0.1344 AML other m 2017-12-27T12:09:43.24
IV.GUMA.HNE. ML:2.5 0.0028085750000000002 0.4096 AML other m 2017-12-27T12:09:44.75
IV.GUMA.HHE. ML:2.5 0.0024503135 0.48 AML other m 2017-12-27T12:09:44.77
IV.GUMA.HNN. ML:2.4 0.0020791614999999997 0.448 AML other m 2017-12-27T12:09:41.87
IV.GUMA.HHN. ML:2.5 0.0027770760000000003 0.4992 AML other m 2017-12-27T12:09:42.07
IV.T1214.HNE. ML:1.9 0.00039974015000000004 0.288 AML other m 2017-12-27T12:09:44.12
IV.T1214.HNN. ML:1.9 0.00041255949999999996 0.16 AML other m 2017-12-27T12:09:44.69
IV.T1214.EHN. ML:1.9 0.00038380395 0.16 AML other m 2017-12-27T12:09:44.69
IV.T1214.EHE. ML:1.9 0.00038750315000000003 0.288 AML other m 2017-12-27T12:09:44.12
IV.SNTG.HNE. ML:1.8 0.00026576175000000003 0.1408 AML other m 2017-12-27T12:09:46.42
IV.SNTG.HHE. ML:1.7 0.0002506914 0.1408 AML other m 2017-12-27T12:09:46.41
IV.SNTG.HHN. ML:1.6 0.00020966679999999998 0.2432 AML other m 2017-12-27T12:09:46.01
IV.SNTG.HNN. ML:1.7 0.00023175398 0.2368 AML other m 2017-12-27T12:09:46.02
IV.MF5.EHE. ML:2.1 0.00073263045 0.8 AML other m 2017-12-27T12:09:47.29
IV.MF5.EHN. ML:2.1 0.0007854175000000001 0.4032 AML other m 2017-12-27T12:09:45.30
IV.MTRA.HNN. ML:2.0 0.000432886 0.4608 AML other m 2017-12-27T12:09:49.19
IV.MTRA.HNE. ML:2.0 0.00037726675 0.3456 AML other m 2017-12-27T12:09:46.21
IV.MTRA.EHE. ML:2.0 0.00035986380000000004 0.3584 AML other m 2017-12-27T12:09:46.21
IV.MTRA.EHN. ML:2.0 0.00037845965000000005 0.4352 AML other m 2017-12-27T12:09:47.16
IV.EL6.EHE. ML:2.1 0.0005735216 0.2368 AML other m 2017-12-27T12:09:46.17
IV.EL6.EHN. ML:2.0 0.00036733899999999995 0.1792 AML other m 2017-12-27T12:09:47.72
IV.ASSB.HHN. ML:2.4 0.0008542962 0.16 AML other m 2017-12-27T12:09:46.54
IV.ASSB.HHE. ML:2.1 0.0005264978000000001 0.32 AML other m 2017-12-27T12:09:46.64
IV.CING.HHN. ML:1.7 0.00018120124999999998 0.1024 AML other m 2017-12-27T12:09:49.19
IV.CING.HHE. ML:1.8 0.0002248451 0.2176 AML other m 2017-12-27T12:09:48.62
IV.SMA1.EHN. ML:2.0 0.00032445625 0.5568 AML other m 2017-12-27T12:09:56.09
IV.SMA1.EHE. ML:2.0 0.00030131410000000004 0.7616 AML other m 2017-12-27T12:09:59.30
IV.T1299.EHE. ML:1.6 0.00013902565 0.3776 AML other m 2017-12-27T12:09:54.36
IV.T1299.EHN. ML:1.7 0.000150945075 0.2368 AML other m 2017-12-27T12:09:51.29
IV.T1299.HNN. ML:1.8 0.00021321319999999998 0.736 AML other m 2017-12-27T12:09:56.40
IV.T1299.HNE. ML:1.8 0.00019008989999999998 0.3968 AML other m 2017-12-27T12:09:54.16
IV.LNSS.HHE. ML:2.0 0.00026292320000000004 0.32 AML other m 2017-12-27T12:09:50.23
IV.LNSS.HHN. ML:1.8 0.00020494455 0.1408 AML other m 2017-12-27T12:09:50.40
IV.ATCC.EHN. ML:2.3 0.0006503375499999999 0.2176 AML other m 2017-12-27T12:09:48.68
IV.ATCC.EHE. ML:2.5 0.00093157405 0.2432 AML other m 2017-12-27T12:09:48.95
IV.MOMA.HHN. ML:2.0 0.00026310085 0.32 AML other m 2017-12-27T12:09:51.25
IV.MOMA.HNE. ML:2.0 0.00025474450000000006 0.1792 AML other m 2017-12-27T12:09:51.86
IV.MOMA.HHE. ML:2.0 0.0002739282 0.1664 AML other m 2017-12-27T12:09:52.16
IV.SSFR.HNN. ML:2.4 0.0006496289 0.2752 AML other m 2017-12-27T12:09:53.99
IV.SSFR.HNE. ML:2.5 0.00075836785 0.2112 AML other m 2017-12-27T12:09:54.27
IV.SSFR.HHE. ML:2.5 0.00071640095 0.2368 AML other m 2017-12-27T12:09:54.26
IV.SSFR.HHN. ML:2.4 0.0006565153500000001 0.224 AML other m 2017-12-27T12:09:53.89
IV.ARVD.HHE. ML:1.8 0.00016097949999999999 0.1856 AML other m 2017-12-27T12:09:52.74
IV.ARVD.HHN. ML:1.7 0.000110259245 0.1216 AML other m 2017-12-27T12:09:53.12
IV.RM33.EHN. ML:1.7 0.000124388625 0.2048 AML other m 2017-12-27T12:09:54.94
IV.RM33.HNN. ML:1.8 0.00014151305 0.2176 AML other m 2017-12-27T12:09:55.06
IV.RM33.EHE. ML:1.7 0.00010968733 0.5376 AML other m 2017-12-27T12:09:56.82
IV.MURB.HNE. ML:2.6 0.0008343043999999999 0.256 AML other m 2017-12-27T12:09:52.67
IV.MURB.HHE. ML:2.6 0.0008876631 0.256 AML other m 2017-12-27T12:09:52.66
IV.MURB.HNN. ML:2.5 0.0007957251000000001 0.2496 AML other m 2017-12-27T12:09:53.14
IV.MURB.HHN. ML:2.5 0.0007184582 0.1792 AML other m 2017-12-27T12:09:53.03
IV.TERO.HHN. ML:1.8 0.000130892785 0.1408 AML other m 2017-12-27T12:09:54.13
IV.TERO.HHE. ML:1.9 0.00016397565 0.1408 AML other m 2017-12-27T12:09:54.05
IV.TERO.HNE. ML:1.8 0.00014115769999999999 0.6016 AML other m 2017-12-27T12:09:52.63
IV.ATVO.HHN. ML:1.6 0.00006832874 0.1984 AML other m 2017-12-27T12:09:57.57
IV.ATVO.HHE. ML:1.7 0.000087602185 0.224 AML other m 2017-12-27T12:09:57.55
IV.PIEI.HHE. ML:1.8 0.00009195821500000001 0.1216 AML other m 2017-12-27T12:10:01.55
IV.PIEI.HHN. ML:1.8 0.00008975429 0.1792 AML other m 2017-12-27T12:09:58.96
IV.ATPI.EHE. ML:1.8 0.00008725932000000001 0.6592 AML other m 2017-12-27T12:10:03.09
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