Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-10-2016 and time 14:49:00 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 27-10-2016 12:49:00 (UTC)
  • 27-10-2016 14:49:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 13.2060 at 7 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 6 281 281
Montegallo AP 11 523 804
Ussita MC 11 444 1248
Montemonaco AP 11 604 1852
Norcia PG 12 4957 6809
Arquata del Tronto AP 12 1178 7987
Visso MC 12 1107 9094
Preci PG 14 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 15 142 11138
Amandola FM 18 3629 14767
Accumoli RI 19 667 15434
Acquacanina MC 19 121 15555
Acquasanta Terme AP 19 2916 18471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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 1.6 2016-10-27
12:49:00		 42.8593 13.2057 7 2019-02-12
14:01:32		 Bollettino Sismico Italiano INGV 55284751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 12:49:00 ± 0.08
Latitude 42.8593 ± 0.0045
Longitude 13.2057 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55284751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 465
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.47574
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 55284751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-09 14:44:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-10-27T12:49:18.08 0.6 undecidable manual S 351 52.8027 50 0.19 45
IV.TERO.HHZ. 2016-10-27T12:49:14.88 0.6 undecidable manual S 129 41.7249 50 -0.05 47
IV.GUMA.HNN. 2016-10-27T12:49:10.06 0.6 undecidable manual S 25 24.8529 106 0.65 41
IV.T1215.EHZ. 2016-10-27T12:49:10.80 0.6 undecidable manual S 257 28.1496 104 0.3 46
IV.T1243.HHZ. 2016-10-27T12:49:10.58 0.6 undecidable manual S 132 26.751 105 0.54 43
IV.EL6.EHZ. 2016-10-27T12:49:09.91 0.3 undecidable manual P 351 52.8027 50 -0.6 60
IV.TERO.HHZ. 2016-10-27T12:49:08.37 0.3 undecidable manual P 129 41.7249 50 -0.43 65
IV.FDMO.HHZ. 2016-10-27T12:49:08.53 0.6 undecidable manual S 334 21.867 108 0.13 48
IV.T1241.EHZ. 2016-10-27T12:49:07.34 0.6 undecidable manual S 91 18.3705 111 0.09 49
XO.AM05.HNZ. 2016-10-27T12:49:07.28 0.6 undecidable manual S 42 17.7711 112 0.23 47
IV.T1215.EHZ. 2016-10-27T12:49:06.25 0.1 undecidable manual P 257 28.1496 104 0 97
IV.T1216.EHZ. 2016-10-27T12:49:06.71 0.6 undecidable manual S 283 15.5733 114 0.35 46
IV.T1243.HHZ. 2016-10-27T12:49:06.03 0.1 undecidable manual P 132 26.751 105 0.05 96
IV.GUMA.HNN. 2016-10-27T12:49:05.71 0.1 undecidable manual P 25 24.8529 106 0.1 96
IV.FDMO.HHZ. 2016-10-27T12:49:04.83 0.3 undecidable manual P 334 21.867 108 -0.21 71
IV.MMO1.EHZ. 2016-10-27T12:49:04.88 0.6 undecidable manual S 66 10.7781 123 -0.03 50
XO.AM05.HNZ. 2016-10-27T12:49:04.32 0.3 undecidable manual P 42 17.7711 112 0.06 73
IV.T1216.EHZ. 2016-10-27T12:49:04.02 0.3 undecidable manual P 283 15.5733 114 0.17 72
IV.NRCA.HHZ. 2016-10-27T12:49:04.32 0.6 undecidable manual S 249 7.9809 131 0.2 48
IV.T1241.EHZ. 2016-10-27T12:49:04.41 0.3 undecidable manual P 91 18.3705 111 0.04 73
IV.MMO1.EHZ. 2016-10-27T12:49:03.02 0.1 undecidable manual P 66 10.7781 123 0 100
IV.MC2.EHZ. 2016-10-27T12:49:03.33 0.6 undecidable manual S 347 5.8941 140 -0.29 47
IV.NRCA.HHZ. 2016-10-27T12:49:02.82 0.1 undecidable manual P 249 7.9809 131 0.26 95
IV.MC2.EHZ. 2016-10-27T12:49:02.09 0.1 positive manual P 347 5.8941 140 -0.19 97
IV.T1245.HNZ. 2016-10-27T12:49:02.02 0.6 undecidable manual S 258 1.4985 168 -0.9 39
IV.T1245.HNZ. 2016-10-27T12:49:01.55 0.1 positive manual P 258 1.4985 168 -0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1241.EHE. ML:0.0 0.00031643169999999996 0.4224 AML other m 2016-10-27T12:49:07.85
IV.T1241.EHN. ML:0.0 0.00032619589999999997 0.2624 AML other m 2016-10-27T12:49:09.17
IV.T1245.HHE. ML:0.0 0.032958079999999994 0.1408 AML other m 2016-10-27T12:49:02.12
IV.T1245.HHN. ML:0.0 0.03699592 0.1152 AML other m 2016-10-27T12:49:02.23
IV.T1245.HNE. ML:0.0 0.036898765 0.1536 AML other m 2016-10-27T12:49:02.13
IV.T1245.HNN. ML:0.0 0.03914694 0.1152 AML other m 2016-10-27T12:49:02.23
IV.FDMO.HHN. ML:1.6 0.00028698374999999997 0.16 AML other m 2016-10-27T12:49:09.08
IV.FDMO.HHE. ML:1.5 0.00022463749999999998 0.2752 AML other m 2016-10-27T12:49:08.54
IV.TERO.HNE. ML:1.7 0.00015621351500000002 0.1792 AML other m 2016-10-27T12:49:15.21
IV.TERO.HHN. ML:1.7 0.00016257484999999998 0.2368 AML other m 2016-10-27T12:49:15.53
IV.TERO.HNN. ML:1.6 0.000149323245 0.2176 AML other m 2016-10-27T12:49:15.53
IV.TERO.HHE. ML:1.7 0.00016281103 0.2368 AML other m 2016-10-27T12:49:15.21
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