Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-10-2016 and time 23:52:46 (Italy) in region 4 km S Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km S Castelsantangelo sul Nera (MC), on

  • 27-10-2016 21:52:46 (UTC)
  • 27-10-2016 23:52:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 13.1580 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 4 281 281
Norcia PG 9 4957 5238
Ussita MC 10 444 5682
Visso MC 10 1107 6789
Preci PG 10 724 7513
Montegallo AP 14 523 8036
Montemonaco AP 15 604 8640
Arquata del Tronto AP 15 1178 9818
Bolognola MC 16 142 9960
Montefortino FM 18 1178 11138
Sellano PG 19 1079 12217
Acquacanina MC 19 121 12338
Accumoli RI 19 667 13005
Cascia PG 19 3217 16222
Monte Cavallo MC 20 145 16367
Fiastra MC 20 559 16926

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km NE of Viterbo (67173 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 2016-10-27
21:52:46		 42.8575 13.1582 9 2019-02-12
14:01:31		 Bollettino Sismico Italiano INGV 53532601
Reviewed
Rev100 		ML 2.0 2016-10-27
21:52:46		 42.8595 13.1592 10 2016-10-27
22:14:43		 Sala Sismica INGV-Roma 30740721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 21:52:46 ± 0.04
Latitude 42.8575 ± 0.0018
Longitude 13.1582 ± 0.0037
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 53532601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 61
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) 0.50632
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 30740721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-27 22:14:43

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 53532601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-29 12:57:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2016-10-27T21:53:04.14 0.6 undecidable manual S 240 54.1014 50 0.4 42
IV.GIGS.HHZ. 2016-10-27T21:53:04.35 0.3 undecidable manual S 143 56.1993 50 0.06 68
IV.EL6.EHZ. 2016-10-27T21:53:03.34 0.6 undecidable manual S 355 52.503 50 0.03 46
IV.TERO.HHZ. 2016-10-27T21:53:01.17 0.3 undecidable manual S 125 44.7219 50 -0.05 69
IV.ARRO.EHZ. 2016-10-27T21:53:01.12 0.3 undecidable manual S 226 44.4222 50 -0.05 69
IV.T1211.EHZ. 2016-10-27T21:53:01.10 0.3 undecidable manual S 215 43.7229 50 0.15 68
IV.CAMP.HHE. 2016-10-27T21:53:00.17 0.6 undecidable manual S 150 41.1255 50 -0.1 46
IV.T1246.HHZ. 2016-10-27T21:53:00.06 0.3 undecidable manual S 138 40.8258 50 -0.14 69
IV.SEF1.HNE. 2016-10-27T21:52:59.07 0.6 undecidable manual S 332 36.3414 50 0.07 47
IV.RM33.EHZ. 2016-10-27T21:52:59.74 0.3 undecidable manual S 173 38.9277 50 0.05 70
IV.EL6.EHZ. 2016-10-27T21:52:56.52 0.6 undecidable manual P 355 52.503 50 0.33 43
IV.GIGS.HHZ. 2016-10-27T21:52:56.67 0.1 undecidable manual P 143 56.1993 50 -0.09 90
IV.T1299.EHE. 2016-10-27T21:52:56.57 0.3 undecidable manual S 158 26.751 109 0.26 69
IV.CESX.HHZ. 2016-10-27T21:52:56.85 0.1 undecidable manual P 240 54.1014 50 0.41 84
IV.SMA1.EHZ. 2016-10-27T21:52:56.67 0.3 undecidable manual S 150 29.0487 50 -0.37 67
IV.T1243.HHZ. 2016-10-27T21:52:56.92 0.6 undecidable manual S 127 29.6481 50 -0.28 45
IV.CSP1.EHE. 2016-10-27T21:52:56.07 0.6 undecidable manual S 8 26.2515 110 -0.08 47
IV.LNSS.HHZ. 2016-10-27T21:52:56.97 0.3 undecidable manual S 199 29.8479 50 -0.29 68
IV.GUMA.HNN. 2016-10-27T21:52:56.88 0.1 undecidable manual S 32 26.9508 109 0.52 86
IV.T1204.EHZ. 2016-10-27T21:52:55.60 0.3 undecidable manual S 147 23.9538 111 0.21 70
IV.CESI.HHZ. 2016-10-27T21:52:55.96 0.3 undecidable manual S 309 26.2515 110 -0.2 69
IV.T1215.EHZ. 2016-10-27T21:52:55.46 0.3 undecidable manual S 255 24.3534 111 -0.07 72
IV.T1201.HNE. 2016-10-27T21:52:55.89 0.3 undecidable manual S 161 23.4543 112 0.65 62
IV.ARRO.EHZ. 2016-10-27T21:52:55.02 0.1 undecidable manual P 226 44.4222 50 0.07 92
IV.T1217.EHZ. 2016-10-27T21:52:55.64 0.3 undecidable manual S 229 24.5532 111 0.05 72
IV.T1211.EHZ. 2016-10-27T21:52:54.16 0.6 undecidable manual P 215 43.7229 50 -0.68 39
XO.AM05.EHZ. 2016-10-27T21:52:54.20 0.3 undecidable manual S 50 20.6682 115 -0.14 71
IV.T1246.HHZ. 2016-10-27T21:52:54.19 0.1 undecidable manual P 138 40.8258 50 -0.21 90
IV.TERO.HHZ. 2016-10-27T21:52:54.75 0.1 undecidable manual P 125 44.7219 50 -0.24 89
IV.MNTP.HNZ. 2016-10-27T21:52:54.80 0.3 undecidable manual P 39 40.0266 50 0.53 63
IV.RM33.EHZ. 2016-10-27T21:52:54.03 0.1 undecidable manual P 173 38.9277 50 -0.07 93
IV.CAMP.HHE. 2016-10-27T21:52:54.15 0.1 undecidable manual P 150 41.1255 50 -0.29 88
IV.T1256.HHZ. 2016-10-27T21:52:53.44 0.3 undecidable manual S 18 17.3715 118 0.1 72
IV.SEF1.HNE. 2016-10-27T21:52:53.87 0.1 undecidable manual P 332 36.3414 50 0.16 92
IV.T1244.EHZ. 2016-10-27T21:52:53.14 0.3 undecidable manual S 134 15.873 121 0.25 70
IV.FEMA.HNE. 2016-10-27T21:52:52.43 0.3 undecidable manual S 323 14.5743 123 -0.06 73
IV.SMA1.EHZ. 2016-10-27T21:52:52.36 0.1 undecidable manual P 150 29.0487 50 -0.21 92
IV.T1243.HHZ. 2016-10-27T21:52:52.45 0.3 undecidable manual P 127 29.6481 50 -0.21 69
IV.LNSS.HHZ. 2016-10-27T21:52:52.63 0.1 undecidable manual P 199 29.8479 50 -0.07 95
IV.GUMA.HNN. 2016-10-27T21:52:52.35 0.1 undecidable manual P 32 26.9508 109 0.17 93
IV.CESI.HHZ. 2016-10-27T21:52:52.05 0.1 undecidable manual P 309 26.2515 110 -0.02 96
IV.MMO1.EHN. 2016-10-27T21:52:52.26 0.3 undecidable manual S 71 14.4744 123 -0.2 71
IV.T1299.EHE. 2016-10-27T21:52:52.26 0.1 undecidable manual P 158 26.751 109 0.11 94
IV.T1201.HNE. 2016-10-27T21:52:51.84 0.1 undecidable manual P 161 23.4543 112 0.31 91
IV.CSP1.EHE. 2016-10-27T21:52:51.06 0.3 undecidable manual P 8 26.2515 110 -1 53
IV.T1217.EHZ. 2016-10-27T21:52:51.92 0.1 undecidable manual P 229 24.5532 111 0.19 93
IV.T1204.EHZ. 2016-10-27T21:52:51.69 0.1 undecidable manual P 147 23.9538 111 0.07 96
XO.AM05.EHZ. 2016-10-27T21:52:51.11 0.1 positive manual P 50 20.6682 115 0.09 96
IV.T1216.EHZ. 2016-10-27T21:52:51.58 0.3 undecidable manual S 288 11.877 128 -0.16 72
IV.T1215.EHZ. 2016-10-27T21:52:51.80 0.1 undecidable manual P 255 24.3534 111 0.1 95
IV.MMO1.EHN. 2016-10-27T21:52:50.02 0.1 undecidable manual P 71 14.4744 123 0.09 97
IV.T1244.EHZ. 2016-10-27T21:52:50.44 0.1 undecidable manual P 134 15.873 121 0.26 93
IV.FEMA.HNE. 2016-10-27T21:52:50.02 0.1 undecidable manual P 323 14.5743 123 0.08 97
IV.MC2.EHZ. 2016-10-27T21:52:50.22 0.3 undecidable manual S 23 6.4935 145 -0.22 72
IV.T1256.HHZ. 2016-10-27T21:52:50.57 0.1 undecidable manual P 18 17.3715 118 0.14 95
IV.T1216.EHZ. 2016-10-27T21:52:49.68 0.1 undecidable manual P 288 11.877 128 0.17 96
IV.T1245.HNZ. 2016-10-27T21:52:49.21 0.1 undecidable manual S 93 2.3976 166 -0.63 86
IV.NRCA.HNZ. 2016-10-27T21:52:49.55 0.3 undecidable manual S 233 4.4955 155 -0.54 67
IV.T1245.HNZ. 2016-10-27T21:52:48.32 0.1 negative manual P 93 2.3976 166 -0.1 99
IV.NRCA.HNZ. 2016-10-27T21:52:48.56 0.1 positive manual P 233 4.4955 155 0.01 100
IV.MC2.EHZ. 2016-10-27T21:52:48.86 0.1 negative manual P 23 6.4935 145 0.1 98
IV.FDMO.HHZ. 2016-10-27T21:52:46.99 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.9 0.000264 1.24 AML other m 2016-10-27T21:53:02.65
IV.NRCA.HHE. ML:2.7 0.00922 0.16 AML other m 2016-10-27T21:52:49.62
IV.NRCA.HHN. ML:2.9 0.01475 0.16 AML other m 2016-10-27T21:52:49.74
IV.NRCA.HNN. ML:2.9 0.01365 0.16 AML other m 2016-10-27T21:52:49.74
IV.T1216.EHE. ML:2.4 0.0028 1.56 AML other m 2016-10-27T21:52:52.80
IV.T1216.EHN. ML:2.3 0.0022692999999999997 0.28 AML other m 2016-10-27T21:52:52.76
XO.AM05.HNN. ML:1.8 0.00040800000000000005 0.26 AML other m 2016-10-27T21:52:54.67
XO.AM05.EHN. ML:1.0 0.00006675000000000001 0.22 AML other m 2016-10-27T21:52:54.71
XO.AM05.EHE. ML:2.2 0.0011394999999999999 0.58 AML other m 2016-10-27T21:52:55.67
XO.AM05.HNE. ML:1.5 0.000223 1.18 AML other m 2016-10-27T21:52:56.12
IV.CESI.HHE. ML:2.0 0.0006125000000000001 0.6 AML other m 2016-10-27T21:52:56.34
IV.CESI.HHN. ML:2.2 0.0010350000000000001 0.3 AML other m 2016-10-27T21:52:56.54
IV.LNSS.HHE. ML:2.0 0.0005434999999999999 0.22 AML other m 2016-10-27T21:52:57.88
IV.LNSS.HHN. ML:2.0 0.00047 0.2 AML other m 2016-10-27T21:52:58.75
IV.SMA1.EHN. ML:1.8 0.0003195 0.26 AML other m 2016-10-27T21:53:01.47
IV.RM33.EHE. ML:1.7 0.0001725 0.26 AML other m 2016-10-27T21:53:01.65
IV.TERO.HHE. ML:1.9 0.0002235 0.62 AML other m 2016-10-27T21:53:02.49
IV.RM33.EHN. ML:1.5 0.000122 0.68 AML other m 2016-10-27T21:53:02.36
IV.SMA1.EHE. ML:1.9 0.00040849999999999995 0.62 AML other m 2016-10-27T21:53:02.47
IV.T1204.EHE. ML:1.9 0.0004685104 0.1408 AML other m 2016-10-27T21:52:55.96
IV.T1204.EHN. ML:1.7 0.0003257699999999999 0.2176 AML other m 2016-10-27T21:52:56.65
IV.T1215.HNN. ML:1.7 0.00031520887 0.1536 AML other m 2016-10-27T21:52:56.83
IV.T1215.EHE. ML:1.8 0.00041601035 0.4352 AML other m 2016-10-27T21:52:56.23
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