Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-10-2016 and time 18:55:00 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 27-10-2016 16:55:00 (UTC)
  • 27-10-2016 18:55:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8350, 13.2180 at 15 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 9 281 281
Arquata del Tronto AP 9 1178 1459
Montegallo AP 10 523 1982
Norcia PG 11 4957 6939
Montemonaco AP 12 604 7543
Ussita MC 14 444 7987
Visso MC 15 1107 9094
Preci PG 15 724 9818
Accumoli RI 16 667 10485
Montefortino FM 16 1178 11663
Acquasanta Terme AP 17 2916 14579
Bolognola MC 18 142 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 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
16:55:00		 42.8353 13.2182 15 2019-02-12
14:01:29		 Bollettino Sismico Italiano INGV 52271371
Reviewed
Rev100 		ML 2.0 2016-10-27
16:55:00		 42.8313 13.2173 12 2016-10-27
17:18:22		 Sala Sismica INGV-Roma 30719731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 16:55:00 ± 0.05
Latitude 42.8353 ± 0.0018
Longitude 13.2182 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52271371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 41
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 30719731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-27 17:18:22

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 52271371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-01 11:17:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2016-10-27T16:55:19.99 0.6 undecidable manual S 188 63.492 94 0.29 43
IV.GIGS.HHZ. 2016-10-27T16:55:16.24 0.6 undecidable manual S 146 51.3153 95 -0.23 45
IV.ARRO.EHZ. 2016-10-27T16:55:15.59 0.3 undecidable manual S 233 46.5201 96 0.39 65
IV.T1211.EHZ. 2016-10-27T16:55:15.07 0.1 undecidable manual S 222 44.7219 96 0.35 88
IV.RM33.EHZ. 2016-10-27T16:55:12.65 0.1 undecidable manual S 180 36.2415 99 0.19 92
IV.T1246.HHZ. 2016-10-27T16:55:12.06 0.3 undecidable manual S 141 35.8419 99 -0.3 68
IV.CAMP.HHZ. 2016-10-27T16:55:12.28 0.6 undecidable manual S 155 36.741 98 -0.31 45
IV.FIAM.HHZ. 2016-10-27T16:55:11.37 0.1 undecidable manual P 188 63.492 94 -0.12 89
IV.CESI.HHZ. 2016-10-27T16:55:11.36 0.3 undecidable manual S 307 31.6461 100 0.1 71
IV.LNSS.HHZ. 2016-10-27T16:55:10.90 0.1 undecidable manual S 209 29.5482 102 0.18 94
IV.T1217.EHZ. 2016-10-27T16:55:10.17 0.1 undecidable manual S 240 27.0507 103 0.11 95
IV.T1215.EHZ. 2016-10-27T16:55:10.38 0.3 undecidable manual S 263 28.6491 102 -0.1 71
IV.T1299.EHE. 2016-10-27T16:55:09.10 0.1 undecidable manual S 167 22.9548 108 0.11 96
IV.FDMO.HHN. 2016-10-27T16:55:09.03 0.1 undecidable manual S 335 24.753 106 -0.42 90
IV.SMA1.EHZ. 2016-10-27T16:55:09.06 0.6 undecidable manual S 157 24.6531 106 -0.38 45
IV.GIGS.HHZ. 2016-10-27T16:55:09.20 1.0 undecidable manual P 146 51.3153 95 -0.42 21
IV.T1243.HHZ. 2016-10-27T16:55:09.10 0.1 undecidable manual S 129 24.2535 106 -0.23 93
IV.OFFI.HHZ. 2016-10-27T16:55:08.72 0.1 undecidable manual P 74 39.5271 97 0.9 72
IV.T1204.EHZ. 2016-10-27T16:55:08.05 0.3 undecidable manual S 156 19.4694 113 -0.06 73
XO.AM05.EHZ. 2016-10-27T16:55:08.14 0.6 undecidable manual S 0.01 49
IV.T1218.HNE. 2016-10-27T16:55:08.35 0.1 undecidable manual S 205 20.1687 112 0.05 98
IV.ARRO.EHZ. 2016-10-27T16:55:08.68 0.1 undecidable manual P 233 46.5201 96 -0.21 90
IV.T1201.HNE. 2016-10-27T16:55:08.25 0.3 undecidable manual S 172 19.9689 112 0.01 74
IV.T1211.EHZ. 2016-10-27T16:55:08.70 0.6 negative manual P 222 44.7219 96 0.09 46
IV.T1216.EHN. 2016-10-27T16:55:07.25 0.3 undecidable manual S 291 17.2716 117 -0.35 69
IV.CAMP.HHZ. 2016-10-27T16:55:07.13 0.1 undecidable manual P 155 36.741 98 -0.25 91
IV.T1256.HHZ. 2016-10-27T16:55:07.96 0.1 undecidable manual S 2 18.9699 114 -0.04 98
IV.RM33.EHZ. 2016-10-27T16:55:07.22 0.1 undecidable manual P 180 36.2415 99 -0.09 94
IV.T1246.HHZ. 2016-10-27T16:55:07.08 0.1 undecidable manual P 141 35.8419 99 -0.17 93
IV.T1215.EHZ. 2016-10-27T16:55:06.08 0.6 undecidable manual P 263 28.6491 102 -0.09 48
IV.LNSS.HHZ. 2016-10-27T16:55:06.24 0.1 undecidable manual P 209 29.5482 102 -0.06 96
IV.CESI.HHZ. 2016-10-27T16:55:06.61 0.1 undecidable manual P 307 31.6461 100 0 96
IV.T1244.EHZ. 2016-10-27T16:55:06.27 0.1 undecidable manual S 143 10.878 134 0.07 100
IV.T1245.HNZ. 2016-10-27T16:55:05.17 0.1 undecidable manual S 314 3.3966 164 0.01 100
IV.T1201.HNE. 2016-10-27T16:55:05.13 0.1 undecidable manual P 172 19.9689 112 0.26 93
IV.T1214.HNE. 2016-10-27T16:55:05.75 0.1 undecidable manual S 185 8.4804 143 -0.02 99
IV.T1243.HHZ. 2016-10-27T16:55:05.36 0.1 undecidable manual P 129 24.2535 106 -0.14 95
IV.T1299.EHE. 2016-10-27T16:55:05.38 0.1 undecidable manual P 167 22.9548 108 0.08 96
IV.FDMO.HHN. 2016-10-27T16:55:05.37 0.1 undecidable manual P 335 24.753 106 -0.2 94
IV.SMA1.EHZ. 2016-10-27T16:55:05.45 0.1 undecidable manual P 157 24.6531 106 -0.11 96
IV.NRCA.HNZ. 2016-10-27T16:55:05.42 0.6 undecidable manual S 269 8.4804 143 -0.35 46
IV.T1217.EHZ. 2016-10-27T16:55:05.79 0.1 undecidable manual P 240 27.0507 103 -0.13 95
IV.T1216.EHN. 2016-10-27T16:55:04.59 0.1 undecidable manual P 291 17.2716 117 0.09 97
IV.T1204.EHZ. 2016-10-27T16:55:04.79 0.1 undecidable manual P 156 19.4694 113 -0.01 98
IV.T1256.HHZ. 2016-10-27T16:55:04.85 0.1 undecidable manual P 2 18.9699 114 0.12 96
XO.AM05.EHZ. 2016-10-27T16:55:04.87 0.1 undecidable manual P 0 99
IV.T1218.HNE. 2016-10-27T16:55:04.89 0.1 undecidable manual P 205 20.1687 112 -0.01 98
IV.NRCA.HNZ. 2016-10-27T16:55:03.41 0.1 undecidable manual P 269 8.4804 143 -0.04 99
IV.T1244.EHZ. 2016-10-27T16:55:03.86 0.1 undecidable manual P 143 10.878 134 0.17 97
IV.T1245.HNZ. 2016-10-27T16:55:03.19 0.1 undecidable manual P 314 3.3966 164 0.1 100
IV.T1214.HNE. 2016-10-27T16:55:03.59 0.1 undecidable manual P 185 8.4804 143 0.14 98
IV.MC2.EHZ. 2016-10-27T16:55:03.66 0.1 undecidable manual P 344 8.7801 142 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.00022349999999999998 0.16 AML other m 2016-10-27T16:55:10.22
IV.FDMO.HHE. ML:3.1 0.006835 0.16 AML other m 2016-10-27T16:55:19.36
IV.FDMO.HHN. ML:3.0 0.005719999999999999 0.1 AML other m 2016-10-27T16:55:19.70
IV.NRCA.HNE. ML:2.6 0.004299201 0.0896 AML other m 2016-10-27T16:55:05.57
IV.NRCA.HNN. ML:2.5 0.00306100965 0.0768 AML other m 2016-10-27T16:55:05.70
IV.NRCA.HHN. ML:2.5 0.003574613 0.064 AML other m 2016-10-27T16:55:05.84
IV.NRCA.HHE. ML:2.6 0.0046284585 0.0896 AML other m 2016-10-27T16:55:05.52
IV.T1204.EHE. ML:2.0 0.0006899885000000001 0.2048 AML other m 2016-10-27T16:55:09.01
IV.T1204.EHN. ML:1.8 0.00045168544999999995 0.1664 AML other m 2016-10-27T16:55:09.10
IV.SMA1.EHN. ML:1.6 0.00024594675 0.2688 AML other m 2016-10-27T16:55:10.73
IV.T1217.EHN. ML:1.3 0.00010539195 0.0896 AML other m 2016-10-27T16:55:10.88
IV.T1217.EHE. ML:1.4 0.00013571900000000005 0.1792 AML other m 2016-10-27T16:55:11.16
IV.T1217.HNE. ML:1.4 0.00013924945 0.0896 AML other m 2016-10-27T16:55:11.24
IV.T1215.EHN. ML:1.6 0.00020645270000000006 0.064 AML other m 2016-10-27T16:55:11.50
IV.LNSS.HHE. ML:2.1 0.0005673537 0.1408 AML other m 2016-10-27T16:55:11.56
IV.LNSS.HHN. ML:2.0 0.00042812804999999997 0.128 AML other m 2016-10-27T16:55:11.16
IV.RM33.EHN. ML:1.9 0.00030758 0.2688 AML other m 2016-10-27T16:55:12.92
IV.RM33.EHE. ML:1.9 0.0003019773 0.2432 AML other m 2016-10-27T16:55:13.21
IV.RM33.HNN. ML:1.9 0.0003209536 0.256 AML other m 2016-10-27T16:55:12.79
IV.RM33.HNE. ML:2.0 0.00032863684999999995 0.2304 AML other m 2016-10-27T16:55:13.32
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