Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-12-2016 and time 20:50:08 (UTC) in region 3 km SE Fiordimonte (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Fiordimonte (MC), on

  • 18-12-2016 20:50:08 (UTC)
  • 18-12-2016 21:50:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0100, 13.1060 at 6 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
Fiordimonte MC 3 202 202
Fiastra MC 5 559 761
Pieve Torina MC 6 1458 2219
Acquacanina MC 6 121 2340
Pievebovigliana MC 6 866 3206
Ussita MC 8 444 3650
Monte Cavallo MC 9 145 3795
Visso MC 9 1107 4902
Muccia MC 10 915 5817
Bolognola MC 10 142 5959
Castelsantangelo sul Nera MC 13 281 6240
Serravalle di Chienti MC 14 1070 7310
Camerino MC 14 6974 14284
Preci PG 16 724 15008
Sarnano MC 16 3264 18272
Cessapalombo MC 17 512 18784
Caldarola MC 17 1823 20607
Camporotondo di Fiastrone MC 19 563 21170
Sellano PG 20 1079 22249
Serrapetrona MC 20 966 23215
Sefro MC 20 422 23637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 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 2016-12-18
20:50:08		 43.0105 13.1063 6 2019-07-19
13:24:02		 Bollettino Sismico Italiano INGV 63946111
Reviewed
Rev100 		ML 2.1 2016-12-18
20:50:09		 43.0122 13.1127 4 2016-12-18
21:08:06		 Sala Sismica INGV-Roma 37123011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-18 20:50:08 ± 0.08
Latitude 43.0105 ± 0.0027
Longitude 13.1063 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63946111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 73
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 28
Type of magnitude ML
Reference to an origin 63946111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-16 12:10:04

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 37123011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-18 21:08:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2016-12-18T20:50:23.29 0.3 undecidable manual S 297 42.4242 50 -0.43 65
IV.T1221.HNE. 2016-12-18T20:50:18.72 0.6 undecidable manual S 232 26.8509 103 0.25 46
IV.ATCC.EHZ. 2016-12-18T20:50:17.82 0.3 undecidable manual P 297 42.4242 50 0.36 66
IV.SEF1.HNN. 2016-12-18T20:50:16.52 0.6 undecidable manual S 320 19.869 108 0.39 45
IV.MMO1.EHZ. 2016-12-18T20:50:16.56 0.6 undecidable manual S -0.04 49
IV.GUMA.HNN. 2016-12-18T20:50:16.87 0.6 undecidable manual S 73 19.4694 108 0.87 38
IV.CESI.HHZ. 2016-12-18T20:50:15.30 0.6 undecidable manual S 268 16.3725 111 0.3 46
IV.EL6.EHZ. 2016-12-18T20:50:15.76 0.1 undecidable manual P 359 35.3424 100 -0.34 89
IV.T1221.HNE. 2016-12-18T20:50:14.30 0.3 undecidable manual P 232 26.8509 103 -0.13 71
IV.T1216.EHZ. 2016-12-18T20:50:14.80 0.6 undecidable manual S 208 15.0738 113 0.22 47
IV.CSP1.EHZ. 2016-12-18T20:50:13.49 0.3 undecidable manual S 41 12.0768 118 -0.14 72
IV.MMO1.EHZ. 2016-12-18T20:50:13.13 0.1 undecidable manual P -0.28 93
IV.T1220.EHN. 2016-12-18T20:50:13.76 0.6 undecidable manual S 353 11.1777 120 0.4 46
IV.GUMA.HNN. 2016-12-18T20:50:13.28 0.3 undecidable manual P 73 19.4694 108 0.28 69
IV.NRCA.HNZ. 2016-12-18T20:50:13.00 0.1 undecidable manual P 178 19.6692 108 -0.04 97
IV.T1256.HHZ. 2016-12-18T20:50:13.16 0.6 undecidable manual S 93 9.6792 123 0.22 48
IV.SEF1.HNN. 2016-12-18T20:50:13.13 0.3 undecidable manual P 320 19.869 108 0.05 73
IV.FEMA.HNZ. 2016-12-18T20:50:12.40 0.6 undecidable manual S 221 7.0929 132 0.19 48
IV.T1216.EHZ. 2016-12-18T20:50:12.17 0.1 undecidable manual P 208 15.0738 113 -0.01 99
IV.T1219.EHZ. 2016-12-18T20:50:12.81 0.3 undecidable manual S 301 9.6792 124 -0.1 73
IV.CESI.HHZ. 2016-12-18T20:50:12.53 0.1 undecidable manual P 268 16.3725 111 0.11 96
IV.T1245.HHZ. 2016-12-18T20:50:12.76 0.1 undecidable manual P 159 18.3705 109 -0.03 98
IV.T1256.HHZ. 2016-12-18T20:50:11.19 0.1 undecidable manual P 93 9.6792 123 -0.04 99
IV.CSP1.EHZ. 2016-12-18T20:50:11.69 0.1 undecidable manual P 41 12.0768 118 0.05 98
IV.T1220.EHN. 2016-12-18T20:50:11.62 0.1 undecidable manual P 353 11.1777 120 0.14 97
IV.MC2.EHZ. 2016-12-18T20:50:11.73 0.1 undecidable manual P 149 12.876 116 -0.05 98
IV.T1219.EHZ. 2016-12-18T20:50:11.18 0.6 negative manual P 301 9.6792 124 -0.04 50
IV.FDMO.HHZ. 2016-12-18T20:50:10.62 0.6 undecidable manual S 332 3.2967 153 -0.78 41
IV.FEMA.HNZ. 2016-12-18T20:50:10.80 0.1 undecidable manual P 221 7.0929 132 -0.01 100
IV.FDMO.HHZ. 2016-12-18T20:50:09.98 0.1 undecidable manual P 332 3.2967 153 -0.36 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.005715859500000001 0.2304 AML other m 2016-12-18T20:50:10.80
IV.FDMO.HHE. ML:0.0 0.0044830255000000005 0.1408 AML other m 2016-12-18T20:50:11.37
IV.FEMA.HNE. ML:0.0 0.002334422 0.256 AML other m 2016-12-18T20:50:13.92
IV.FEMA.HNN. ML:0.0 0.0017318040000000002 0.2048 AML other m 2016-12-18T20:50:12.98
IV.T1219.EHN. ML:2.2 0.0028534809999999997 0.192 AML other m 2016-12-18T20:50:13.09
IV.T1219.HNE. ML:1.9 0.0013965265 0.192 AML other m 2016-12-18T20:50:13.06
IV.T1219.HNN. ML:2.3 0.003004951 0.2048 AML other m 2016-12-18T20:50:13.19
IV.T1219.EHE. ML:2.0 0.001607833 0.2304 AML other m 2016-12-18T20:50:13.06
IV.T1256.HHE. ML:1.9 0.0013006815 0.3712 AML other m 2016-12-18T20:50:15.28
IV.T1256.HNN. ML:1.9 0.0014202085 0.4864 AML other m 2016-12-18T20:50:15.48
IV.T1256.HHN. ML:1.9 0.0012209505000000001 0.4736 AML other m 2016-12-18T20:50:15.48
IV.T1256.HNE. ML:1.9 0.0013720804 0.3328 AML other m 2016-12-18T20:50:14.12
IV.CSP1.EHE. ML:1.9 0.00107099545 0.1792 AML other m 2016-12-18T20:50:14.02
IV.CSP1.EHN. ML:2.1 0.0018444940000000001 0.384 AML other m 2016-12-18T20:50:16.19
IV.T1216.EHE. ML:2.1 0.00127142965 0.3072 AML other m 2016-12-18T20:50:17.44
IV.T1216.EHN. ML:2.1 0.001484531 0.2176 AML other m 2016-12-18T20:50:15.90
IV.CESI.HHN. ML:2.1 0.0011475020000000001 0.2432 AML other m 2016-12-18T20:50:15.60
IV.CESI.HHE. ML:2.2 0.0014793094500000002 0.3456 AML other m 2016-12-18T20:50:16.40
IV.T1245.HHE. ML:1.9 0.00073166325 0.2304 AML other m 2016-12-18T20:50:17.29
IV.T1245.HHN. ML:2.0 0.0009282498000000001 0.1664 AML other m 2016-12-18T20:50:17.91
IV.T1245.HNE. ML:2.0 0.000855767 0.2048 AML other m 2016-12-18T20:50:18.34
IV.T1245.HNN. ML:2.0 0.0008790943 0.1664 AML other m 2016-12-18T20:50:17.93
IV.NRCA.HHE. ML:2.2 0.0012412025 0.1664 AML other m 2016-12-18T20:50:17.69
IV.NRCA.HNE. ML:2.2 0.0012184455 0.2944 AML other m 2016-12-18T20:50:16.76
IV.NRCA.HHN. ML:2.2 0.00140963 0.1536 AML other m 2016-12-18T20:50:16.84
IV.NRCA.HNN. ML:2.2 0.00133995025 0.1664 AML other m 2016-12-18T20:50:16.85
IV.EL6.EHE. ML:1.8 0.0002658176 0.1792 AML other m 2016-12-18T20:50:22.44
IV.EL6.EHN. ML:1.8 0.00026603005 0.1408 AML other m 2016-12-18T20:50:22.43
IV.ATCC.EHN. ML:1.8 0.00022719955 0.1792 AML other m 2016-12-18T20:50:24.60
IV.ATCC.EHE. ML:1.9 0.00026530710000000003 0.1152 AML other m 2016-12-18T20:50:24.21
IV.FSSB.HHE. ML:2.0 0.0001475509 0.3328 AML other m 2016-12-18T20:50:38.87
IV.FSSB.HHN. ML:2.2 0.00021244580000000002 0.32 AML other m 2016-12-18T20:50:36.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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