Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-10-2016 and time 17:06:36 (UTC) in region 2 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 2 km E Castelsantangelo sul Nera (MC), on

  • 27-10-2016 17:06:36 (UTC)
  • 27-10-2016 19:06:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9030, 13.1800 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 2 281 281
Ussita MC 6 444 725
Visso MC 8 1107 1832
Bolognola MC 11 142 1974
Preci PG 12 724 2698
Montemonaco AP 12 604 3302
Montefortino FM 14 1178 4480
Montegallo AP 14 523 5003
Norcia PG 14 4957 9960
Acquacanina MC 14 121 10081
Fiastra MC 15 559 10640
Fiordimonte MC 17 202 10842
Amandola FM 17 3629 14471
Arquata del Tronto AP 17 1178 15649
Monte Cavallo MC 18 145 15794
Sarnano MC 18 3264 19058
Pieve Torina MC 19 1458 20516
Pievebovigliana MC 19 866 21382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 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 1.6 2016-10-27
17:06:36		 42.9027 13.1805 8 2019-02-12
14:01:29		 Bollettino Sismico Italiano INGV 52277841
Reviewed
Rev100 		ML 2.3 2016-10-27
17:06:36		 42.895 13.2025 7 2016-10-27
17:21:05		 Sala Sismica INGV-Roma 30719861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 17:06:36 ± 0.13
Latitude 42.9027 ± 0.0063
Longitude 13.1805 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52277841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 593
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
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 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 30719861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-27 17:21:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 52277841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-01 18:02:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1245.HHZ. 2016-10-27T17:08:56.74 3.0 undecidable manual S 0
IV.T1245.HHZ. 2016-10-27T17:08:56.06 3.0 undecidable manual P 0
IV.TERO.HHZ. 2016-10-27T17:06:51.90 0.1 undecidable manual S 132 46.4202 50 -0.04 94
IV.CESI.HHZ. 2016-10-27T17:06:46.00 0.3 undecidable manual S 297 25.1526 107 0.49 67
IV.T1217.EHZ. 2016-10-27T17:06:46.90 0.1 undecidable manual S 224 29.3484 105 -0.02 98
IV.TERO.HHZ. 2016-10-27T17:06:44.89 0.1 undecidable manual P 132 46.4202 50 -0.47 86
IV.T1244.EHZ. 2016-10-27T17:06:44.00 0.1 undecidable manual S 149 18.7701 113 0.55 88
IV.SMA1.EHZ. 2016-10-27T17:06:43.04 0.6 positive manual P 157 32.745 104 -0.09 48
IV.LNSS.HHZ. 2016-10-27T17:06:43.59 0.6 positive manual P 199 35.1426 103 -0.01 48
IV.T1217.EHZ. 2016-10-27T17:06:42.69 0.6 undecidable manual P 224 29.3484 105 0.23 47
XO.AM05.HNZ. 2016-10-27T17:06:42.89 0.1 undecidable manual S 59 16.2726 116 0.24 96
IV.CESI.HHZ. 2016-10-27T17:06:42.28 0.6 undecidable manual P 297 25.1526 107 0.63 42
IV.T1216.EHZ. 2016-10-27T17:06:41.90 0.1 undecidable manual S 264 13.1757 121 0.18 97
IV.FEMA.HNE. 2016-10-27T17:06:41.84 0.1 undecidable manual S 302 12.4764 122 0.33 94
XO.AM05.HNZ. 2016-10-27T17:06:40.24 0.6 undecidable manual P 59 16.2726 116 0.23 48
IV.T1244.EHZ. 2016-10-27T17:06:40.69 0.1 undecidable manual P 149 18.7701 113 0.23 95
IV.FDMO.HHZ. 2016-10-27T17:06:40.37 1.0 positive manual P 333 16.6722 115 0.29 24
IV.NRCA.HNZ. 2016-10-27T17:06:40.50 0.3 undecidable manual S 215 9.3795 130 -0.14 74
IV.MC2.EHZ. 2016-10-27T17:06:38.60 0.1 undecidable manual S 35 1.1988 171 -0.55 91
IV.T1216.EHZ. 2016-10-27T17:06:38.91 0.1 undecidable manual P 264 13.1757 121 -0.55 89
IV.NRCA.HNZ. 2016-10-27T17:06:38.93 1.0 negative manual P 215 9.3795 130 0.09 25
IV.FEMA.HNE. 2016-10-27T17:06:38.65 0.1 undecidable manual P 302 12.4764 122 -0.7 84
IV.MC2.EHZ. 2016-10-27T17:06:37.84 0.1 undecidable manual P 35 1.1988 171 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.2 0.0027093860000000003 0.192 AML other m 2016-10-27T17:06:41.02
IV.NRCA.HNN. ML:2.2 0.0026587982 0.1792 AML other m 2016-10-27T17:06:41.01
IV.NRCA.HHN. ML:2.3 0.0027861015 0.192 AML other m 2016-10-27T17:06:41.02
IV.NRCA.HHE. ML:2.3 0.003073149 0.192 AML other m 2016-10-27T17:06:41.02
IV.FDMO.HHE. ML:1.6 0.00034454555 0.2304 AML other m 2016-10-27T17:06:43.98
IV.FDMO.HHN. ML:1.6 0.00033346075 0.192 AML other m 2016-10-27T17:06:43.94
IV.CESI.HHN. ML:1.5 0.00018938535000000001 0.2048 AML other m 2016-10-27T17:06:48.44
IV.CESI.HHE. ML:1.5 0.00017731920000000001 0.2048 AML other m 2016-10-27T17:06:46.25
IV.T1217.EHE. ML:1.4 0.00013486350000000002 0.2176 AML other m 2016-10-27T17:06:47.32
IV.T1217.EHN. ML:1.6 0.00018417899999999986 0.192 AML other m 2016-10-27T17:06:47.35
IV.T1217.HNE. ML:1.5 0.00014610795 0.32 AML other m 2016-10-27T17:06:48.52
IV.LNSS.HHE. ML:1.6 0.00016559224 0.1536 AML other m 2016-10-27T17:06:50.16
IV.LNSS.HHN. ML:1.6 0.00016649125 0.1408 AML other m 2016-10-27T17:06:50.85
IV.TERO.HNN. ML:1.4 0.00007291500000000006 0.2816 AML other m 2016-10-27T17:06:52.52
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