Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-01-2017 and time 20:58:33 (Italy) in region 3 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Castelsantangelo sul Nera (MC), on

  • 27-01-2017 19:58:33 (UTC)
  • 27-01-2017 20:58:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 13.1820 at 1 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 281 281
Ussita MC 5 444 725
Visso MC 8 1107 1832
Bolognola MC 10 142 1974
Montemonaco AP 12 604 2578
Preci PG 12 724 3302
Acquacanina MC 13 121 3423
Montefortino FM 14 1178 4601
Fiastra MC 14 559 5160
Montegallo AP 15 523 5683
Norcia PG 15 4957 10640
Fiordimonte MC 16 202 10842
Amandola FM 16 3629 14471
Sarnano MC 17 3264 17735
Monte Cavallo MC 17 145 17880
Arquata del Tronto AP 18 1178 19058
Pieve Torina MC 18 1458 20516
Pievebovigliana MC 19 866 21382
Comunanza AP 20 3166 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
91 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
Reviewed
Rev100 		ML 1.5 2017-01-27
19:58:33		 42.9128 13.1817 1 2017-01-27
20:07:18		 Sala Sismica INGV-Roma 39938091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-27 19:58:33 ± 0.19
Latitude 42.9128 ± 0.0072
Longitude 13.1817 ± 0.0086
Depth (km) 1 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39938091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 753
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 39938091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-27 20:07:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHZ.01 2017-01-27T19:58:57.56 3.0 negative manual P 4.48 0
IV.ARVD.HHZ. 2017-01-27T19:58:55.83 3.0 undecidable manual S -1.4 0
IV.EL6.EHZ. 2017-01-27T19:58:49.22 3.0 undecidable manual S -1.59 0
IV.GIGS.HHZ. 2017-01-27T19:58:43.86 3.0 undecidable manual S -0.77 0
IV.T1217.EHZ. 2017-01-27T19:58:42.98 3.0 undecidable manual S 1.98 0
IV.ASSB.HHZ. 2017-01-27T19:58:41.26 3.0 undecidable manual P 0.29 0
IV.GUMA.HHZ. 2017-01-27T19:58:40.90 0.1 undecidable manual S 37 20.7681 92 0.35 91
IV.T1219.EHZ. 2017-01-27T19:58:40.92 0.1 undecidable manual S 318 21.3675 92 0.16 94
IV.TERO.HHZ. 2017-01-27T19:58:40.33 3.0 undecidable manual S -0.9 0
IV.RM33.EHZ. 2017-01-27T19:58:40.24 3.0 undecidable manual S -0.76 0
IV.CSP1.EHZ. 2017-01-27T19:58:40.73 0.1 undecidable manual S 5 19.9689 93 0.47 89
IV.SMA1.EHZ. 2017-01-27T19:58:40.37 0.1 undecidable manual P 158 33.744 92 0.28 90
IV.LNSS.HHZ. 2017-01-27T19:58:39.07 3.0 undecidable manual S -1.31 0
IV.T1216.EHZ. 2017-01-27T19:58:38.25 0.1 undecidable manual S 260 13.4754 94 0.25 94
IV.T1215.EHZ. 2017-01-27T19:58:38.07 3.0 positive manual P 1.21 0
IV.CESI.HHZ. 2017-01-27T19:58:38.49 3.0 undecidable manual P 0.64 0
IV.T1220.EHZ. 2017-01-27T19:58:37.49 0.1 undecidable manual P 341 23.1546 92 -0.48 88
IV.CSP1.EHZ. 2017-01-27T19:58:37.01 0.1 undecidable manual P 5 19.9689 93 -0.32 92
IV.GUMA.HHZ. 2017-01-27T19:58:37.10 0.1 undecidable manual P 37 20.7681 92 -0.39 90
IV.T1218.EHZ. 2017-01-27T19:58:37.57 3.0 undecidable manual S -0.23 0
IV.T1219.EHZ. 2017-01-27T19:58:37.22 1.0 positive manual P 318 21.3675 92 -0.4 22
IV.FDMO.HHZ. 2017-01-27T19:58:36.18 1.0 undecidable manual P 331 15.6732 93 -0.3 23
IV.T1216.EHZ. 2017-01-27T19:58:35.77 0.6 positive manual P 260 13.4754 94 -0.25 47
IV.T1212.EHZ. 2017-01-27T19:58:35.06 3.0 negative manual P 0.45 0
IV.MC2.EHZ. 2017-01-27T19:58:33.49 0.1 undecidable manual P 105 0.5994 145 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:1.2 0.00013900000000000002 1.24 AML other m 2017-01-27T19:58:43.95
IV.GUMA.HHE. ML:1.4 0.0002145 0.66 AML other m 2017-01-27T19:58:41.15
IV.LNSS.HHN. ML:1.5 0.00013450000000000002 0.44 AML other m 2017-01-27T19:58:47.03
IV.LNSS.HHE. ML:1.4 0.00010769999999999999 0.64 AML other m 2017-01-27T19:58:47.44
IV.RM33.EHE. ML:1.5 0.00008915000000000001 0.3 AML other m 2017-01-27T19:58:47.25
IV.RM33.EHN. ML:1.4 0.0000837 0.58 AML other m 2017-01-27T19:58:46.27
IV.T1216.EHE. ML:1.6 0.0005185 0.3 AML other m 2017-01-27T19:58:39.27
IV.T1216.EHN. ML:1.3 0.00027600000000000004 0.28 AML other m 2017-01-27T19:58:39.97
IV.T1218.EHE. ML:1.4 0.0001495 0.16 AML other m 2017-01-27T19:58:44.28
IV.T1218.EHN. ML:1.4 0.0001296 0.58 AML other m 2017-01-27T19:58:44.28
IV.T1220.HNN. ML:1.5 0.000246 0.66 AML other m 2017-01-27T19:58:44.59
IV.T1220.HNE. ML:1.5 0.0002065 0.38 AML other m 2017-01-27T19:58:46.39
IV.TERO.HHN. ML:1.8 0.0001735 0.08 AML other m 2017-01-27T19:58:46.61
IV.TERO.HHE. ML:1.9 0.0002165 0.14 AML other m 2017-01-27T19:58:46.41
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