Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-10-2016 and time 07:46:15 (UTC) in region 3 km E Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km E Castelsantangelo sul Nera (MC), on

  • 31-10-2016 07:46:15 (UTC)
  • 31-10-2016 08:46:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8920, 13.1930 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
Castelsantangelo sul Nera MC 3 281 281
Ussita MC 7 444 725
Visso MC 10 1107 1832
Montemonaco AP 11 604 2436
Bolognola MC 12 142 2578
Preci PG 13 724 3302
Montegallo AP 13 523 3825
Montefortino FM 13 1178 5003
Norcia PG 14 4957 9960
Acquacanina MC 16 121 10081
Arquata del Tronto AP 16 1178 11259
Fiastra MC 16 559 11818
Amandola FM 17 3629 15447
Fiordimonte MC 18 202 15649
Sarnano MC 18 3264 18913
Monte Cavallo MC 19 145 19058
Comunanza AP 20 3166 22224

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
96 Km NW of Pescara (121014 inhabitants)
100 Km NW of Chieti (51815 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
07:46:15		 42.8923 13.1928 8 2019-02-12
14:03:35		 Bollettino Sismico Italiano INGV 53821441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 07:46:15 ± 0.04
Latitude 42.8923 ± 0.0018
Longitude 13.1928 ± 0.0025
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 53821441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 209
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 53821441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-29 15:41:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-10-31T07:46:31.75 0.3 undecidable manual S 351 49.0176 50 0.39 65
IV.SNTG.HHZ. 2016-10-31T07:46:30.18 0.3 undecidable manual S 333 45.1215 50 -0.14 68
IV.TERO.HHZ. 2016-10-31T07:46:30.36 0.3 undecidable manual S 132 44.9217 50 0.11 69
IV.ASSB.HHZ. 2016-10-31T07:46:30.63 0.6 undecidable manual S 291 46.4202 50 -0.04 46
IV.RM33.EHZ. 2016-10-31T07:46:29.77 0.3 undecidable manual S 178 42.5241 50 0.14 69
IV.LNSS.HHZ. 2016-10-31T07:46:27.87 0.6 undecidable manual S 201 34.4433 50 0.41 44
IV.SMA1.EHZ. 2016-10-31T07:46:26.31 0.3 undecidable manual S 158 31.2465 105 -0.13 70
IV.T1217.EHZ. 2016-10-31T07:46:25.94 0.6 undecidable manual S 227 29.2485 106 0.18 46
IV.T1243.HHZ. 2016-10-31T07:46:25.94 0.6 undecidable manual S 136 30.0477 106 -0.1 47
IV.T1204.EHZ. 2016-10-31T07:46:25.04 0.3 undecidable manual S 157 26.0517 108 0.34 68
IV.T1215.EHZ. 2016-10-31T07:46:25.31 0.6 undecidable manual S 249 28.2495 106 -0.11 47
IV.EL6.EHZ. 2016-10-31T07:46:24.15 0.6 negative manual P 351 49.0176 50 -0.38 43
IV.ASSB.HHZ. 2016-10-31T07:46:24.30 0.6 undecidable manual P 291 46.4202 50 0.17 45
IV.GUMA.HHZ. 2016-10-31T07:46:23.71 0.3 undecidable manual S 31 22.1556 111 0.29 69
IV.TERO.HHZ. 2016-10-31T07:46:23.49 0.3 undecidable manual P 132 44.9217 50 -0.4 64
IV.SNTG.HHZ. 2016-10-31T07:46:23.42 0.3 undecidable manual P 333 45.1215 50 -0.51 62
IV.RM33.EHZ. 2016-10-31T07:46:23.50 0.6 positive manual P 178 42.5241 50 -0.04 47
IV.T1241.EHZ. 2016-10-31T07:46:23.00 1.0 undecidable manual S 102 19.7691 113 0.34 23
IV.LNSS.HHZ. 2016-10-31T07:46:22.69 1.0 undecidable manual P 201 34.4433 50 0.41 22
IV.SMA1.EHZ. 2016-10-31T07:46:21.53 0.3 negative manual P 158 31.2465 105 -0.17 70
IV.T1215.EHZ. 2016-10-31T07:46:21.04 0.1 undecidable manual P 249 28.2495 106 -0.07 95
XO.AM05.EHZ. 2016-10-31T07:46:21.73 0.3 undecidable manual S 54 16.0728 117 0.24 70
IV.T1217.EHZ. 2016-10-31T07:46:21.23 0.3 undecidable manual P 227 29.2485 106 -0.07 71
IV.T1243.HHZ. 2016-10-31T07:46:21.39 0.3 positive manual P 136 30.0477 106 -0.07 71
IV.T1204.EHZ. 2016-10-31T07:46:20.66 0.3 negative manual P 157 26.0517 108 -0.03 72
IV.T1216.EHZ. 2016-10-31T07:46:20.97 0.3 undecidable manual S 269 14.1747 121 0.06 73
IV.GUMA.HHZ. 2016-10-31T07:46:20.11 0.3 undecidable manual P 31 22.1556 111 0.16 71
IV.T1256.HHZ. 2016-10-31T07:46:20.38 0.3 undecidable manual S 12 12.876 123 -0.17 72
IV.FEMA.HNE. 2016-10-31T07:46:20.86 0.6 undecidable manual S 304 13.9749 121 0 49
IV.T1241.EHZ. 2016-10-31T07:46:19.52 0.6 undecidable manual P 102 19.7691 113 0.01 49
IV.MMO1.EHZ. 2016-10-31T07:46:19.77 0.1 undecidable manual S 86 10.878 127 -0.21 96
IV.MMO1.EHZ. 2016-10-31T07:46:18.03 0.3 positive manual P 86 10.878 127 0.07 74
IV.T1256.HHZ. 2016-10-31T07:46:18.15 0.6 undecidable manual P 12 12.876 123 -0.14 48
IV.FEMA.HNE. 2016-10-31T07:46:18.65 0.3 undecidable manual P 304 13.9749 121 0.18 71
IV.T1245.HHZ. 2016-10-31T07:46:18.09 0.3 undecidable manual S 186 3.996 154 -0.33 71
IV.T1216.EHZ. 2016-10-31T07:46:18.68 0.6 undecidable manual P 269 14.1747 121 0.18 48
XO.AM05.EHZ. 2016-10-31T07:46:18.86 0.3 undecidable manual P 54 16.0728 117 0.03 74
IV.T1245.HHZ. 2016-10-31T07:46:17.08 0.1 negative manual P 186 3.996 154 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1256.HHN. ML:2.2 0.002087281 0.256 AML other m 2016-10-31T07:46:21.17
IV.T1256.HNN. ML:2.3 0.002229499 0.2432 AML other m 2016-10-31T07:46:21.16
IV.T1216.EHE. ML:2.4 0.002887397 0.3072 AML other m 2016-10-31T07:46:21.36
XO.AM05.HNN. ML:1.5 0.00033107175 0.2368 AML other m 2016-10-31T07:46:21.77
IV.T1256.HHE. ML:2.2 0.0019949110000000003 0.3008 AML other m 2016-10-31T07:46:21.97
IV.T1256.HNE. ML:2.2 0.0019878889999999996 0.3008 AML other m 2016-10-31T07:46:21.82
IV.T1216.EHN. ML:2.6 0.003974163500000001 0.288 AML other m 2016-10-31T07:46:22.68
XO.AM05.EHN. ML:0.8 0.000065391495 0.0832 AML other m 2016-10-31T07:46:23.09
XO.AM05.HNE. ML:1.4 0.00021882660000000002 0.16 AML other m 2016-10-31T07:46:23.19
XO.AM05.EHE. ML:2.0 0.0008594824999999999 0.1216 AML other m 2016-10-31T07:46:23.14
IV.T1241.HNN. ML:2.0 0.0008355111500000001 0.32 AML other m 2016-10-31T07:46:23.56
IV.T1241.EHN. ML:2.0 0.0008384039000000001 0.32 AML other m 2016-10-31T07:46:23.56
IV.GUMA.HNE. ML:2.5 0.0021644895 0.3008 AML other m 2016-10-31T07:46:24.03
IV.GUMA.HHE. ML:2.6 0.0029157140000000002 0.2944 AML other m 2016-10-31T07:46:24.19
IV.T1215.HNE. ML:1.5 0.00015880744999999998 0.192 AML other m 2016-10-31T07:46:25.63
IV.T1215.EHE. ML:1.6 0.00018344649999999985 0.2112 AML other m 2016-10-31T07:46:25.54
IV.T1241.HNE. ML:2.1 0.0009032864499999999 0.4224 AML other m 2016-10-31T07:46:26.27
IV.T1241.EHE. ML:2.1 0.0009318288500000001 0.4224 AML other m 2016-10-31T07:46:26.27
IV.GUMA.HHN. ML:2.4 0.0019119655 0.4416 AML other m 2016-10-31T07:46:26.34
IV.GUMA.HNN. ML:2.5 0.002289566 0.5376 AML other m 2016-10-31T07:46:26.63
IV.SMA1.EHE. ML:1.9 0.00040048555 0.1408 AML other m 2016-10-31T07:46:26.89
IV.T1215.EHN. ML:1.6 0.00021016750000000007 0.192 AML other m 2016-10-31T07:46:27.03
IV.T1215.HNN. ML:1.6 0.00021389470499999998 0.192 AML other m 2016-10-31T07:46:27.03
IV.T1217.EHE. ML:1.7 0.0002558376 0.288 AML other m 2016-10-31T07:46:27.90
IV.T1217.HNE. ML:1.8 0.00028449009999999996 0.288 AML other m 2016-10-31T07:46:27.90
IV.T1217.EHN. ML:1.7 0.00026906305 0.256 AML other m 2016-10-31T07:46:28.20
IV.RM33.EHN. ML:2.0 0.00033896305 0.1792 AML other m 2016-10-31T07:46:30.25
IV.TERO.HNE. ML:2.0 0.00029818315 0.2624 AML other m 2016-10-31T07:46:30.70
IV.TERO.HHE. ML:2.0 0.00030837415000000004 0.2368 AML other m 2016-10-31T07:46:30.68
IV.RM33.HNE. ML:2.2 0.0004538739 0.2176 AML other m 2016-10-31T07:46:30.93
IV.RM33.EHE. ML:2.2 0.0004563893 0.2176 AML other m 2016-10-31T07:46:30.83
IV.SNTG.HNE. ML:1.7 0.00014548424999999998 0.1728 AML other m 2016-10-31T07:46:30.87
IV.SNTG.HHE. ML:1.7 0.000149591 0.16 AML other m 2016-10-31T07:46:30.96
IV.SNTG.HHN. ML:1.8 0.00018077065 0.2368 AML other m 2016-10-31T07:46:30.88
IV.TERO.HHN. ML:2.0 0.00030229825 0.2048 AML other m 2016-10-31T07:46:30.92
IV.TERO.HNN. ML:2.0 0.0002788296 0.2048 AML other m 2016-10-31T07:46:30.92
IV.T1217.HNN. ML:1.8 0.00029525645 0.6784 AML other m 2016-10-31T07:46:31.54
IV.RM33.HNN. ML:2.0 0.000326866925 0.2048 AML other m 2016-10-31T07:46:31.81
IV.ASSB.HHE. ML:2.1 0.0003924269499999999 0.1792 AML other m 2016-10-31T07:46:32.24
IV.EL6.EHE. ML:1.9 0.000228605348 0.1216 AML other m 2016-10-31T07:46:32.24
IV.ASSB.HHN. ML:2.1 0.00034845345 0.2816 AML other m 2016-10-31T07:46:32.94
IV.EL6.EHN. ML:2.1 0.00032857799999999983 0.4224 AML other m 2016-10-31T07:46:33.61
IV.SMA1.EHN. ML:2.1 0.0006440958 0.4416 AML other m 2016-10-31T07:46:34.16
IV.ATVO.HHE. ML:1.7 0.00005995958 0.2432 AML other m 2016-10-31T07:46:42.31
IV.ATVO.HHN. ML:1.6 0.000052974849999999996 0.4416 AML other m 2016-10-31T07:46:45.12
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