Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 27-10-2016 and time 05:35:15 (Italy) in region 7 km E Castelsantangelo sul Nera (MC)

A magnitude ML 2.5 earthquake occured in region: 7 km E Castelsantangelo sul Nera (MC), on

  • 27-10-2016 03:35:15 (UTC)
  • 27-10-2016 05:35:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8730, 13.2340 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 7 281 281
Montemonaco AP 8 604 885
Montegallo AP 9 523 1408
Ussita MC 11 444 1852
Montefortino FM 12 1178 3030
Arquata del Tronto AP 12 1178 4208
Visso MC 14 1107 5315
Bolognola MC 14 142 5457
Norcia PG 14 4957 10414
Amandola FM 16 3629 14043
Preci PG 16 724 14767
Comunanza AP 18 3166 17933
Acquacanina MC 18 121 18054
Acquasanta Terme AP 18 2916 20970
Palmiano AP 19 196 21166
Sarnano MC 19 3264 24430
Fiastra MC 19 559 24989
Accumoli RI 20 667 25656
Roccafluvione AP 20 2010 27666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
86 Km S of Ancona (100861 inhabitants)
92 Km NW of Pescara (121014 inhabitants)
96 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 2.5 2016-10-27
03:35:15		 42.8728 13.2335 8 2019-02-12
14:01:28		 Bollettino Sismico Italiano INGV 51279521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 03:35:15 ± 0.04
Latitude 42.8728 ± 0.0027
Longitude 13.2335 ± 0.0037
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 51279521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 266
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.54319
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 51279521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-24 15:52:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2016-10-27T03:35:35.01 0.6 undecidable manual S 306 59.2962 50 0.34 43
IV.GIGS.HHZ. 2016-10-27T03:35:33.57 0.6 undecidable manual S 149 54.2013 50 0.27 44
IV.EL6.EHZ. 2016-10-27T03:35:32.98 0.6 undecidable manual S 348 51.7038 50 0.33 44
IV.T1247.HHZ. 2016-10-27T03:35:31.81 0.6 undecidable manual S 174 48.1185 50 0.12 46
IV.T1211.EHZ. 2016-10-27T03:35:31.95 0.6 undecidable manual S 219 48.7179 50 0.1 46
IV.TERO.HHZ. 2016-10-27T03:35:29.55 0.6 undecidable manual S 132 41.0256 50 -0.23 45
IV.RM33.EHZ. 2016-10-27T03:35:29.69 0.6 undecidable manual S 182 40.4262 50 0.07 47
IV.CAMP.HHZ. 2016-10-27T03:35:29.12 0.6 undecidable manual S 159 40.0266 50 -0.41 44
IV.LNSS.HHZ. 2016-10-27T03:35:27.86 0.6 undecidable manual S 208 33.8439 103 0.21 46
IV.TRTR.HHZ. 2016-10-27T03:35:27.13 0.3 undecidable manual P 97 55.7997 50 1.06 49
IV.T1217.HNZ. 2016-10-27T03:35:26.72 0.6 undecidable manual S 234 30.4473 104 0.24 46
IV.CESI.HHZ. 2016-10-27T03:35:26.44 0.6 undecidable manual S 299 30.4473 104 -0.06 48
IV.T1215.EHZ. 2016-10-27T03:35:26.73 0.6 undecidable manual S 255 30.747 104 0.14 47
IV.ATCC.EHZ. 2016-10-27T03:35:26.27 0.6 undecidable manual P 306 59.2962 50 -0.34 43
IV.CESX.HHZ. 2016-10-27T03:35:26.35 0.3 undecidable manual P 241 60.2952 50 -0.42 63
IV.GIGS.HHZ. 2016-10-27T03:35:25.59 0.3 undecidable manual P 149 54.2013 50 -0.23 66
IV.T1247.HHZ. 2016-10-27T03:35:25.29 0.3 undecidable manual P 174 48.1185 50 0.4 65
IV.EL6.EHZ. 2016-10-27T03:35:25.12 0.6 undecidable manual P 348 51.7038 50 -0.33 43
IV.T1243.HHZ. 2016-10-27T03:35:25.12 0.6 undecidable manual S 138 26.2515 106 0.03 48
IV.T1204.EHZ. 2016-10-27T03:35:24.69 0.6 undecidable manual S 163 22.8549 108 0.72 40
IV.T1211.EHZ. 2016-10-27T03:35:24.67 0.3 undecidable manual P 219 48.7179 50 -0.31 66
IV.GUMA.HHZ. 2016-10-27T03:35:24.21 0.3 undecidable manual S 21 22.6551 109 0.32 69
IV.TERO.HHZ. 2016-10-27T03:35:23.36 0.3 undecidable manual P 132 41.0256 50 -0.43 65
IV.RM33.EHZ. 2016-10-27T03:35:23.57 0.3 undecidable manual P 182 40.4262 50 -0.13 69
IV.CAMP.HHZ. 2016-10-27T03:35:23.32 0.3 undecidable manual P 159 40.0266 50 -0.32 67
IV.OFFI.HHZ. 2016-10-27T03:35:23.69 0.3 undecidable manual P 79 37.3293 50 0.46 65
IV.T1216.EHZ. 2016-10-27T03:35:22.50 0.6 undecidable manual S 277 17.5713 113 0.25 47
IV.LNSS.HHZ. 2016-10-27T03:35:22.45 0.3 undecidable manual P 208 33.8439 103 -0.11 71
IV.FEMA.HNE. 2016-10-27T03:35:22.48 0.6 undecidable manual S 304 17.871 113 0.12 48
IV.T1215.EHZ. 2016-10-27T03:35:21.72 0.3 undecidable manual P 255 30.747 104 -0.23 69
IV.T1243.HHZ. 2016-10-27T03:35:21.17 0.3 undecidable manual P 138 26.2515 106 0.09 72
XO.AM05.HNZ. 2016-10-27T03:35:21.35 0.6 undecidable manual S 40 15.0738 117 -0.13 48
IV.T1217.HNZ. 2016-10-27T03:35:21.68 0.3 undecidable manual P 234 30.4473 104 -0.21 70
IV.CESI.HHZ. 2016-10-27T03:35:21.62 0.3 undecidable manual P 299 30.4473 104 -0.28 68
IV.T1241.EHZ. 2016-10-27T03:35:21.68 0.6 undecidable manual S 96 16.1727 115 -0.13 48
IV.GUMA.HHZ. 2016-10-27T03:35:20.44 0.1 undecidable manual P 21 22.6551 109 0.05 97
IV.T1204.EHZ. 2016-10-27T03:35:20.62 0.3 undecidable manual P 163 22.8549 108 0.18 71
IV.FEMA.HNE. 2016-10-27T03:35:19.54 0.1 undecidable manual P 304 17.871 113 0.03 98
IV.T1241.EHZ. 2016-10-27T03:35:19.01 0.3 undecidable manual P 96 16.1727 115 -0.18 72
IV.MMO1.HNZ. 2016-10-27T03:35:19.18 0.3 undecidable manual S 69 8.0808 133 -0.29 71
IV.T1216.EHZ. 2016-10-27T03:35:19.52 0.1 undecidable manual P 277 17.5713 113 0.08 97
IV.MC2.EHZ. 2016-10-27T03:35:18.80 0.3 undecidable manual S 320 5.5944 144 -0.09 74
XO.AM05.HNZ. 2016-10-27T03:35:18.90 0.1 undecidable manual P 40 15.0738 117 -0.1 97
IV.T1245.HNZ. 2016-10-27T03:35:18.57 0.3 undecidable manual S 244 4.0959 152 -0.04 75
IV.T1245.HNZ. 2016-10-27T03:35:17.46 0.1 undecidable manual P 244 4.0959 152 0.12 99
IV.MC2.EHZ. 2016-10-27T03:35:17.55 0.1 undecidable manual P 320 5.5944 144 0.05 100
IV.MMO1.HNZ. 2016-10-27T03:35:17.78 0.1 positive manual P 69 8.0808 133 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1241.EHN. ML:2.6 0.004035 0.62 AML other m 2016-10-27T03:35:22.08
IV.T1241.EHE. ML:2.6 0.004019999999999999 1.26 AML other m 2016-10-27T03:35:22.93
IV.T1204.EHE. ML:2.4 0.0018021500000000002 0.88 AML other m 2016-10-27T03:35:25.47
IV.T1204.EHN. ML:2.3 0.001265 0.62 AML other m 2016-10-27T03:35:26.66
IV.LNSS.HHE. ML:3.1 0.00506 0.32 AML other m 2016-10-27T03:35:28.28
IV.LNSS.HHN. ML:2.9 0.0033499999999999997 0.22 AML other m 2016-10-27T03:35:28.37
IV.CAMP.HHE. ML:1.9 0.00030600000000000007 0.3 AML other m 2016-10-27T03:35:29.42
IV.CAMP.HHN. ML:2.0 0.0003585 0.68 AML other m 2016-10-27T03:35:30.27
IV.T1211.EHE. ML:2.3 0.0005290000000000001 0.3 AML other m 2016-10-27T03:35:32.57
IV.T1211.HNE. ML:2.3 0.0005015 0.3 AML other m 2016-10-27T03:35:32.57
IV.GIGS.HHN. ML:1.8 0.000143 0.2 AML other m 2016-10-27T03:35:33.77
IV.T1211.HNN. ML:2.5 0.000911 0.8 AML other m 2016-10-27T03:35:33.87
IV.T1211.EHN. ML:2.5 0.0008814999999999999 0.32 AML other m 2016-10-27T03:35:33.87
IV.GIGS.HHE. ML:1.7 0.0001265 0.4 AML other m 2016-10-27T03:35:34.00
IV.OFFI.HHE. ML:2.5 0.0013399999999999998 0.34 AML other m 2016-10-27T03:35:35.14
IV.ATCC.EHE. ML:2.9 0.001885 0.2 AML other m 2016-10-27T03:35:35.51
IV.OFFI.HHN. ML:2.5 0.00134 0.42 AML other m 2016-10-27T03:35:36.76
IV.ATCC.EHN. ML:2.6 0.0009735000000000001 1 AML other m 2016-10-27T03:35:36.34
IV.TRTR.HHN. ML:2.9 0.0017250000000000002 0.26 AML other m 2016-10-27T03:35:37.32
IV.TRTR.HHE. ML:3.0 0.0025499999999999997 1.08 AML other m 2016-10-27T03:35:37.38
IV.CESX.HHN. ML:2.2 0.00030900000000000003 0.28 AML other m 2016-10-27T03:35:44.05
IV.CESX.HHE. ML:2.2 0.00030649999999999997 1.48 AML other m 2016-10-27T03:35:45.09
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