Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-10-2016 and time 03:04:33 (Italy) in region 4 km E Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km E Monte Cavallo (MC), on

  • 31-10-2016 02:04:33 (UTC)
  • 31-10-2016 03:04:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9850, 13.0480 at 11 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
Monte Cavallo MC 4 145 145
Pieve Torina MC 7 1458 1603
Visso MC 7 1107 2710
Fiordimonte MC 7 202 2912
Ussita MC 9 444 3356
Pievebovigliana MC 9 866 4222
Fiastra MC 11 559 4781
Muccia MC 11 915 5696
Acquacanina MC 12 121 5817
Preci PG 12 724 6541
Serravalle di Chienti MC 13 1070 7611
Castelsantangelo sul Nera MC 13 281 7892
Sellano PG 14 1079 8971
Bolognola MC 15 142 9113
Camerino MC 17 6974 16087
Sefro MC 20 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
100 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 2016-10-31
02:04:33		 42.9848 13.0485 11 2019-02-12
14:03:36		 Bollettino Sismico Italiano INGV 53891111
Reviewed
Rev100 		ML 2.5 2016-10-31
02:04:33		 42.9878 13.0417 13 2016-10-31
02:18:33		 Sala Sismica INGV-Roma 31184331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 02:04:33 ± 0.05
Latitude 42.9848 ± 0.0009
Longitude 13.0485 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53891111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.54499
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 53891111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-14 09:19:37

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 31184331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-31 02:18:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-10-31T02:04:52.44 0.6 undecidable manual S 351 57.5979 90 0.75 38
IV.CESX.HHZ. 2016-10-31T02:04:51.49 0.6 undecidable manual S 222 56.1993 90 0.17 44
IV.ARRO.EHZ. 2016-10-31T02:04:50.06 0.6 undecidable manual S 207 50.5161 90 0.25 44
IV.MNTP.HNZ. 2016-10-31T02:04:48.16 0.6 undecidable manual S 63 38.0286 90 1.68 24
IV.ATCC.EHZ. 2016-10-31T02:04:47.15 0.6 undecidable manual S 304 39.8268 90 0.19 46
IV.FOSV.EHZ. 2016-10-31T02:04:47.44 0.6 undecidable manual S 326 41.5251 90 0.04 47
IV.LNSS.HHZ. 2016-10-31T02:04:47.96 0.6 undecidable manual S 181 42.4242 90 0.32 44
IV.T1241.EHZ. 2016-10-31T02:04:45.66 0.6 undecidable manual S 115 34.2435 90 0.21 46
IV.SNTG.HHZ. 2016-10-31T02:04:44.40 0.6 undecidable manual S 344 31.2465 90 -0.25 46
IV.ARVD.HHZ. 2016-10-31T02:04:44.32 0.3 undecidable manual P 351 57.5979 90 0.16 67
IV.ASSB.HHZ. 2016-10-31T02:04:44.70 0.6 undecidable manual S 282 32.2455 90 -0.23 46
IV.TERO.HHZ. 2016-10-31T02:04:44.76 0.3 undecidable manual P 131 60.495 90 0.16 67
IV.OFFI.HHE. 2016-10-31T02:04:44.25 0.1 undecidable manual P 96 52.0035 90 0.95 70
IV.T1217.EHZ. 2016-10-31T02:04:44.61 0.6 undecidable manual S 197 31.746 90 -0.19 46
IV.CAMP.HHZ. 2016-10-31T02:04:44.17 0.3 undecidable manual P 149 57.7977 90 -0.03 68
IV.CESX.HHZ. 2016-10-31T02:04:43.60 0.3 undecidable manual P 222 56.1993 90 -0.34 65
IV.LNSS.HHZ. 2016-10-31T02:04:42.07 0.6 undecidable manual P 181 42.4242 90 0.25 45
IV.ARRO.EHZ. 2016-10-31T02:04:42.95 0.3 undecidable manual P 207 50.5161 90 -0.12 68
IV.T1215.EHZ. 2016-10-31T02:04:42.77 0.6 undecidable manual S 216 25.0527 90 -0.23 47
IV.MDAR.HNN. 2016-10-31T02:04:42.48 0.6 undecidable manual S 18 24.2535 90 -0.32 46
IV.MMO1.EHZ. 2016-10-31T02:04:42.66 0.6 undecidable manual S 113 24.5532 90 -0.21 47
XO.AM05.EHZ. 2016-10-31T02:04:42.87 0.6 undecidable manual S 92 24.753 90 -0.05 48
IV.FOSV.EHZ. 2016-10-31T02:04:41.71 0.3 undecidable manual P 326 41.5251 90 0.03 71
IV.MNTP.HNZ. 2016-10-31T02:04:41.56 0.1 undecidable manual P 63 38.0286 90 0.41 88
IV.SEF1.HNZ. 2016-10-31T02:04:41.32 0.6 undecidable manual S 336 19.7691 90 -0.27 47
IV.T1245.HHZ. 2016-10-31T02:04:41.26 0.6 undecidable manual S 141 18.1707 90 0.08 49
IV.ATCC.EHZ. 2016-10-31T02:04:41.20 0.1 undecidable manual P 304 39.8268 90 -0.23 91
IV.T1217.EHZ. 2016-10-31T02:04:40.03 0.3 undecidable manual P 197 31.746 90 -0.15 70
IV.T1256.HHZ. 2016-10-31T02:04:40.19 0.6 undecidable manual S 81 14.5743 90 -0.03 49
IV.T1241.EHZ. 2016-10-31T02:04:40.48 0.3 undecidable manual P 115 34.2435 90 -0.08 71
XO.AM05.EHZ. 2016-10-31T02:04:39.02 0.1 undecidable manual P 92 24.753 90 -0.07 96
IV.SNTG.HHZ. 2016-10-31T02:04:39.87 0.1 undecidable manual P 344 31.2465 90 -0.22 92
IV.ASSB.HHZ. 2016-10-31T02:04:39.90 0.1 positive manual P 282 32.2455 90 -0.36 90
IV.T1216.EHZ. 2016-10-31T02:04:39.11 0.6 undecidable manual S 193 10.6782 115 -0.11 49
IV.MMO1.EHZ. 2016-10-31T02:04:38.91 0.3 undecidable manual P 113 24.5532 90 -0.15 71
IV.SEF1.HNZ. 2016-10-31T02:04:38.24 0.1 undecidable manual P 336 19.7691 90 -0.09 97
IV.T1245.HHZ. 2016-10-31T02:04:38.03 0.3 undecidable manual P 141 18.1707 90 -0.06 73
IV.FEMA.HNZ. 2016-10-31T02:04:38.16 0.6 undecidable manual S 178 2.4975 163 0.35 47
IV.T1215.EHZ. 2016-10-31T02:04:38.87 0.1 undecidable manual P 216 25.0527 90 -0.27 92
IV.MDAR.HNN. 2016-10-31T02:04:38.75 0.1 undecidable manual P 18 24.2535 90 -0.28 92
IV.FDMO.HHN. 2016-10-31T02:04:38.26 0.6 undecidable manual S 29 6.4935 139 -0.07 50
IV.T1256.HHZ. 2016-10-31T02:04:37.50 0.1 undecidable manual P 81 14.5743 90 -0.04 98
IV.FEMA.HNZ. 2016-10-31T02:04:36.36 0.1 negative manual P 178 2.4975 163 0.22 97
IV.T1216.EHZ. 2016-10-31T02:04:36.94 0.1 undecidable manual P 193 10.6782 115 -0.02 100
IV.FDMO.HHN. 2016-10-31T02:04:36.48 0.1 undecidable manual P 29 6.4935 139 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.5 0.005513401 0.1312 AML other m 2016-10-31T02:04:38.35
IV.FEMA.HNN. ML:2.3 0.0031344335 0.0896 AML other m 2016-10-31T02:04:38.44
IV.T1216.EHE. ML:2.5 0.0038318845 0.128 AML other m 2016-10-31T02:04:39.31
IV.T1216.EHN. ML:2.5 0.003951994 0.144 AML other m 2016-10-31T02:04:39.47
IV.SEF1.HNE. ML:2.4 0.0018249963 0.28 AML other m 2016-10-31T02:04:41.57
IV.SEF1.HNN. ML:2.4 0.0017377561999999999 0.2512 AML other m 2016-10-31T02:04:41.58
IV.T1215.EHN. ML:2.1 0.0007765898 0.112 AML other m 2016-10-31T02:04:42.86
IV.T1215.HNE. ML:2.0 0.00059251895 0.224 AML other m 2016-10-31T02:04:42.80
IV.T1215.HNN. ML:2.1 0.00076845435 0.096 AML other m 2016-10-31T02:04:42.86
IV.T1215.EHE. ML:2.0 0.000595442 0.224 AML other m 2016-10-31T02:04:42.80
XO.AM05.EHE. ML:2.5 0.001896839 0.1008 AML other m 2016-10-31T02:04:43.45
XO.AM05.EHN. ML:1.5 0.00018023325000000002 0.1008 AML other m 2016-10-31T02:04:43.72
XO.AM05.HNE. ML:1.8 0.00037881045000000003 0.1008 AML other m 2016-10-31T02:04:43.45
XO.AM05.HNN. ML:2.0 0.0005640171 0.0992 AML other m 2016-10-31T02:04:43.69
IV.SNTG.HNE. ML:1.8 0.00027282695 0.1104 AML other m 2016-10-31T02:04:45.15
IV.SNTG.HHE. ML:1.8 0.00027604895 0.0992 AML other m 2016-10-31T02:04:45.09
IV.SNTG.HNN. ML:1.7 0.00021223930000000002 0.3392 AML other m 2016-10-31T02:04:47.81
IV.SNTG.HHN. ML:1.6 0.00017761880000000002 0.12 AML other m 2016-10-31T02:04:47.15
IV.ASSB.HHE. ML:2.0 0.0004164039 0.16 AML other m 2016-10-31T02:04:44.86
IV.ASSB.HHN. ML:2.1 0.0005587385500000001 0.1808 AML other m 2016-10-31T02:04:45.79
IV.T1217.EHN. ML:1.9 0.00038459690000000005 0.208 AML other m 2016-10-31T02:04:45.65
IV.T1217.EHE. ML:1.9 0.000350143614 0.176 AML other m 2016-10-31T02:04:45.27
IV.T1217.HNE. ML:1.9 0.000371153285 0.176 AML other m 2016-10-31T02:04:45.35
IV.T1217.HNN. ML:1.9 0.00037013435 0.208 AML other m 2016-10-31T02:04:45.65
IV.T1241.HNN. ML:2.3 0.0008341744 0.1504 AML other m 2016-10-31T02:04:45.82
IV.T1241.EHN. ML:2.3 0.00083752625 0.1408 AML other m 2016-10-31T02:04:45.83
IV.T1241.HNE. ML:2.3 0.0008515865 0.2288 AML other m 2016-10-31T02:04:46.10
IV.T1241.EHE. ML:2.3 0.00082816835 0.2592 AML other m 2016-10-31T02:04:45.98
IV.ATCC.EHE. ML:2.0 0.00035570465 0.1584 AML other m 2016-10-31T02:04:48.30
IV.ATCC.EHN. ML:1.8 0.00019733665 0.2208 AML other m 2016-10-31T02:04:47.98
IV.FOSV.EHE. ML:1.5 0.000099865215 0.3984 AML other m 2016-10-31T02:04:53.55
IV.FOSV.EHN. ML:1.5 0.00010860601 0.2 AML other m 2016-10-31T02:04:49.18
IV.T1204.EHE. ML:2.4 0.00076977505 0.1216 AML other m 2016-10-31T02:04:58.40
IV.T1204.EHN. ML:2.2 0.0005755077 0.16 AML other m 2016-10-31T02:04:58.11
IV.ARRO.EHE. ML:1.8 0.00017045085 0.2 AML other m 2016-10-31T02:04:50.63
IV.ARRO.EHN. ML:1.6 0.00011049757 0.1792 AML other m 2016-10-31T02:04:54.33
IV.CESX.HHN. ML:1.8 0.00014926329999999998 0.2 AML other m 2016-10-31T02:04:52.95
IV.CESX.HHE. ML:1.8 0.00014780474999999998 0.2784 AML other m 2016-10-31T02:04:52.44
IV.CAMP.HHE. ML:1.6 0.00009698136 0.16 AML other m 2016-10-31T02:04:54.87
IV.CAMP.HHN. ML:1.9 0.00016498459999999998 0.2992 AML other m 2016-10-31T02:05:01.95
IV.TERO.HHE. ML:1.8 0.00014008106000000002 0.12 AML other m 2016-10-31T02:05:02.19
IV.TERO.HHN. ML:1.9 0.00014305794999999998 0.08 AML other m 2016-10-31T02:05:04.71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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