Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-10-2016 and time 16:20:43 (Italy) in region 3 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 3 km W Castelsantangelo sul Nera (MC), on

  • 27-10-2016 14:20:43 (UTC)
  • 27-10-2016 16:20:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 13.1180 at 9 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
Visso MC 5 1107 1388
Ussita MC 6 444 1832
Preci PG 7 724 2556
Norcia PG 11 4957 7513
Bolognola MC 14 142 7655
Monte Cavallo MC 15 145 7800
Sellano PG 16 1079 8879
Acquacanina MC 16 121 9000
Fiordimonte MC 16 202 9202
Fiastra MC 16 559 9761
Montemonaco AP 17 604 10365
Pieve Torina MC 18 1458 11823
Cerreto di Spoleto PG 18 1075 12898
Montegallo AP 19 523 13421
Pievebovigliana MC 19 866 14287
Montefortino FM 19 1178 15465
Arquata del Tronto AP 20 1178 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
64 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
98 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 1.5 2016-10-27
14:20:43		 42.8945 13.1182 9 2019-02-12
14:01:31		 Bollettino Sismico Italiano INGV 54103631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 14:20:43 ± 0.04
Latitude 42.8945 ± 0.0018
Longitude 13.1182 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54103631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 215
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
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 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.31296
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 54103631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-23 06:16:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHN. 2016-10-27T14:20:55.00 0.6 undecidable manual S 149 34.2435 50 -0.14 47
IV.LNSS.HHZ. 2016-10-27T14:20:54.40 0.3 undecidable manual S 191 32.9448 50 -0.41 66
IV.T1243.HHZ. 2016-10-27T14:20:54.99 0.3 undecidable manual S 129 34.743 50 -0.29 68
IV.T1299.HNN. 2016-10-27T14:20:54.67 0.3 undecidable manual S 155 31.8459 105 0.22 69
IV.T1204.EHZ. 2016-10-27T14:20:53.63 0.3 undecidable manual S 146 29.1486 106 0.07 72
IV.T1217.EHZ. 2016-10-27T14:20:52.40 0.3 undecidable manual S 217 25.3524 109 0.1 71
IV.CESI.HHZ. 2016-10-27T14:20:51.16 0.3 undecidable manual S 305 21.2676 112 0.2 70
IV.T1215.EHZ. 2016-10-27T14:20:51.36 0.1 undecidable manual S 243 22.755 111 -0.09 95
XO.AM05.EHZ. 2016-10-27T14:20:50.98 0.3 undecidable manual S 64 21.1677 112 0.04 73
IV.T1243.HHZ. 2016-10-27T14:20:50.02 0.3 undecidable manual P 129 34.743 50 -0.07 71
IV.SMA1.EHN. 2016-10-27T14:20:50.20 0.6 undecidable manual P 149 34.2435 50 0.18 46
IV.T1299.HNN. 2016-10-27T14:20:49.92 0.3 undecidable manual P 155 31.8459 105 0.31 67
IV.FDMO.HHN. 2016-10-27T14:20:49.13 0.3 undecidable manual S 351 15.9729 118 -0.18 72
IV.T1204.EHZ. 2016-10-27T14:20:49.33 0.1 undecidable manual P 146 29.1486 106 0.23 92
IV.LNSS.HHZ. 2016-10-27T14:20:49.69 0.6 negative manual P 191 32.9448 50 -0.13 47
IV.T1201.HNN. 2016-10-27T14:20:49.09 0.1 undecidable manual P 158 28.4493 107 0.12 94
IV.T1217.EHZ. 2016-10-27T14:20:48.42 0.3 negative manual P 217 25.3524 109 0.05 72
IV.T1241.EHZ. 2016-10-27T14:20:48.34 0.6 undecidable manual P 99 25.752 108 -0.12 47
IV.CESI.HHZ. 2016-10-27T14:20:47.62 0.6 negative manual P 305 21.2676 112 0.02 48
IV.FEMA.HNE. 2016-10-27T14:20:47.22 0.1 undecidable manual S 324 9.2796 133 -0.2 96
IV.T1215.EHZ. 2016-10-27T14:20:47.94 0.1 positive manual P 243 22.755 111 0.05 96
XO.AM05.EHZ. 2016-10-27T14:20:47.59 0.1 undecidable manual P 64 21.1677 112 0 97
IV.T1216.EHZ. 2016-10-27T14:20:47.04 0.3 undecidable manual S 267 8.0808 137 -0.07 73
IV.T1245.HHZ. 2016-10-27T14:20:46.95 0.1 undecidable manual S 126 7.0929 141 0.07 100
IV.FDMO.HHN. 2016-10-27T14:20:46.71 0.3 undecidable manual P 351 15.9729 118 0.07 73
IV.MC2.EHZ. 2016-10-27T14:20:46.45 0.3 undecidable manual S 72 6.0939 145 -0.22 71
IV.NRCA.HNZ. 2016-10-27T14:20:46.52 0.1 undecidable manual S 183 6.7932 142 -0.3 93
IV.MC2.EHZ. 2016-10-27T14:20:45.13 0.1 undecidable manual P 72 6.0939 145 0 100
IV.NRCA.HNZ. 2016-10-27T14:20:45.29 0.3 negative manual P 183 6.7932 142 0.08 74
IV.FEMA.HNE. 2016-10-27T14:20:45.82 0.3 undecidable manual P 324 9.2796 133 0.26 71
IV.T1245.HHZ. 2016-10-27T14:20:45.35 0.3 positive manual P 126 7.0929 141 0.1 74
IV.T1216.EHZ. 2016-10-27T14:20:45.46 0.1 positive manual P 267 8.0808 137 0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.9 0.00146899165 0.16 AML other m 2016-10-27T14:20:47.22
IV.NRCA.HNN. ML:1.6 0.0007234574999999999 0.16 AML other m 2016-10-27T14:20:47.36
IV.NRCA.HHN. ML:1.6 0.00073783165 0.1216 AML other m 2016-10-27T14:20:47.40
IV.NRCA.HHE. ML:2.0 0.00159827 0.16 AML other m 2016-10-27T14:20:47.30
IV.T1245.HNN. ML:2.0 0.0017772424999999998 0.1408 AML other m 2016-10-27T14:20:47.16
IV.T1245.HHE. ML:2.0 0.0016052504999999999 0.1408 AML other m 2016-10-27T14:20:47.64
IV.T1245.HHN. ML:2.0 0.001810083 0.1408 AML other m 2016-10-27T14:20:47.16
IV.T1245.HNE. ML:2.0 0.0017077114999999997 0.1472 AML other m 2016-10-27T14:20:47.65
IV.T1216.EHN. ML:1.7 0.000767824475 0.224 AML other m 2016-10-27T14:20:47.21
IV.T1216.EHE. ML:1.8 0.001042854 0.256 AML other m 2016-10-27T14:20:47.84
XO.AM05.HNE. ML:1.0 0.00006333832999999999 0.1024 AML other m 2016-10-27T14:20:52.38
XO.AM05.HNN. ML:1.0 0.00006644097000000001 0.1024 AML other m 2016-10-27T14:20:53.23
XO.AM05.EHE. ML:1.5 0.00023696475 0.096 AML other m 2016-10-27T14:20:52.74
XO.AM05.EHN. ML:0.4 0.000022031039000000003 0.064 AML other m 2016-10-27T14:20:51.86
IV.CESI.HHN. ML:1.8 0.00042362994999999996 0.224 AML other m 2016-10-27T14:20:51.37
IV.CESI.HHE. ML:1.5 0.00023850074999999998 0.2432 AML other m 2016-10-27T14:20:51.37
IV.T1241.EHE. ML:1.4 0.00014254295 0.2624 AML other m 2016-10-27T14:20:54.02
IV.T1241.EHN. ML:1.3 0.000120502805 0.0832 AML other m 2016-10-27T14:20:52.02
IV.T1215.HNE. ML:1.1 0.00007792795999999999 0.0832 AML other m 2016-10-27T14:20:51.81
IV.T1215.HNN. ML:1.2 0.00011159497500000001 0.064 AML other m 2016-10-27T14:20:51.68
IV.T1215.EHE. ML:1.1 0.00008056445000000001 0.0832 AML other m 2016-10-27T14:20:51.77
IV.T1215.EHN. ML:1.2 0.00011535800000000007 0.064 AML other m 2016-10-27T14:20:51.68
IV.T1217.EHN. ML:1.3 0.00011668950000000011 0.288 AML other m 2016-10-27T14:20:52.62
IV.T1217.EHE. ML:1.2 0.00008713249999999995 0.192 AML other m 2016-10-27T14:20:52.92
IV.T1217.HNE. ML:1.3 0.00011919969999999999 0.384 AML other m 2016-10-27T14:20:55.81
IV.LNSS.HHE. ML:1.4 0.00012354445 0.1792 AML other m 2016-10-27T14:20:54.96
IV.LNSS.HHN. ML:1.4 0.0001215278 0.1216 AML other m 2016-10-27T14:20:55.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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