Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 31-05-2014 and time 06:53:04 (UTC) in region 5 km SW Sigillo (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km SW Sigillo (PG), on

  • 31-05-2014 06:53:04 (UTC)
  • 31-05-2014 08:53:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2980, 12.6980 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
Sigillo PG 5 2404 2404
Fossato di Vico PG 5 2840 5244
Costacciaro PG 7 1216 6460
Gualdo Tadino PG 10 15208 21668
Gubbio PG 12 32216 53884
Scheggia e Pascelupo PG 12 1393 55277
Valfabbrica PG 17 3389 58666
Fabriano AN 17 31480 90146

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
38 Km N of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
82 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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 1.7 2014-05-31
06:53:04		 43.2977 12.6985 8 2015-09-21
09:36:50		 Bollettino Sismico Italiano INGV 9250041
Reviewed
Rev100 		ML 1.7 2014-05-31
06:53:04		 43.2968 12.6995 8 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6661991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-05-31 06:53:04 ± 0.04
Latitude 43.2977 ± 0.0027
Longitude 12.6985 ± 0.0025
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 9250041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 211
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 35
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) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 6661991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-05-31 07:03:55

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 9250041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-11-07 12:02:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2014-05-31T06:53:20.10 0.3 undecidable manual S 119 46.9197 50 0.23 90
IV.BADI.EHZ. 2014-05-31T06:53:19.30 0.3 undecidable manual S 303 43.5231 50 0.33 89
IV.FDMO.HHZ. 2014-05-31T06:53:18.85 3.0 undecidable manual S 132 42.4242 0.12 0
IV.CING.HHZ. 2014-05-31T06:53:18.60 0.3 undecidable manual S 78 41.0256 50 0.3 90
IV.MPAG.EHZ. 2014-05-31T06:53:17.37 0.3 undecidable manual S 8 37.1295 50 0.11 94
IV.NARO.HHZ. 2014-05-31T06:53:16.60 0.3 undecidable manual S 345 36.0417 50 -0.37 89
IV.EL6.EHZ. 2014-05-31T06:53:16.00 0.3 undecidable manual S 84 32.745 104 0 97
IV.ATPI.EHZ. 2014-05-31T06:53:15.00 0.3 undecidable manual S 305 29.3484 106 0.14 95
IV.ARVD.HHZ. 2014-05-31T06:53:15.00 0.3 undecidable manual S 41 29.6481 106 0.04 97
IV.ATTE.HHZ. 2014-05-31T06:53:14.70 0.3 undecidable manual S 248 29.9478 105 -0.38 90
IV.ASSB.HHZ. 2014-05-31T06:53:14.20 0.3 undecidable manual S 187 28.4493 106 -0.38 90
IV.CSP1.EHZ. 2014-05-31T06:53:13.21 0.3 positive manual P 119 46.9197 50 -0.07 93
IV.ATVO.HHZ. 2014-05-31T06:53:13.40 0.3 undecidable manual S 292 25.3524 108 -0.14 96
IV.PE3.EHZ. 2014-05-31T06:53:13.68 0.3 positive manual P 340 47.1195 50 0.36 88
IV.FRON.EHZ. 2014-05-31T06:53:13.10 0.3 undecidable manual S 5 24.5532 109 -0.17 95
IV.CING.HHZ. 2014-05-31T06:53:12.21 0.3 positive manual P 78 41.0256 50 -0.17 93
IV.BADI.EHZ. 2014-05-31T06:53:12.85 0.3 positive manual P 303 43.5231 50 0.09 94
IV.SNTG.HHZ. 2014-05-31T06:53:12.10 0.3 undecidable manual S 104 20.0688 112 0.26 94
IV.NARO.HHZ. 2014-05-31T06:53:11.33 0.3 positive manual P 345 36.0417 50 -0.28 91
IV.FDMO.HHZ. 2014-05-31T06:53:11.41 3.0 positive manual P 132 42.4242 -1.22 0
IV.MPAG.EHZ. 2014-05-31T06:53:11.52 0.3 positive manual P 8 37.1295 50 -0.26 91
IV.ARVD.HHZ. 2014-05-31T06:53:10.33 0.3 positive manual P 41 29.6481 106 -0.12 95
IV.MURB.HHZ. 2014-05-31T06:53:10.50 0.3 undecidable manual S 255 14.5743 120 0.4 92
IV.EL6.EHZ. 2014-05-31T06:53:10.87 0.3 positive manual P 84 32.745 104 -0.18 94
IV.ATTE.HHZ. 2014-05-31T06:53:10.25 0.3 undecidable manual P 248 29.9478 105 -0.27 92
IV.ATCC.EHZ. 2014-05-31T06:53:10.00 0.3 undecidable manual S 201 13.3755 122 0.26 95
IV.ATPI.EHZ. 2014-05-31T06:53:10.32 0.3 positive manual P 305 29.3484 106 -0.07 96
IV.FRON.EHZ. 2014-05-31T06:53:09.34 0.3 positive manual P 5 24.5532 109 -0.13 96
IV.ATVO.HHZ. 2014-05-31T06:53:09.48 0.3 positive manual P 292 25.3524 108 -0.15 96
IV.ASSB.HHZ. 2014-05-31T06:53:09.87 0.3 positive manual P 187 28.4493 106 -0.36 91
IV.ATFO.HHZ. 2014-05-31T06:53:09.80 0.3 undecidable manual S 307 12.7761 123 0.22 96
IV.SNTG.HHZ. 2014-05-31T06:53:08.74 0.3 positive manual P 104 20.0688 112 0.09 97
IV.MURB.HHZ. 2014-05-31T06:53:07.87 0.3 positive manual P 255 14.5743 120 0.22 96
IV.FOSV.EHZ. 2014-05-31T06:53:07.50 0.3 undecidable manual S 94 5.0949 149 -0.16 99
IV.ATCC.EHZ. 2014-05-31T06:53:07.64 0.3 positive manual P 201 13.3755 122 0.2 96
IV.ATFO.HHZ. 2014-05-31T06:53:07.61 0.3 positive manual P 307 12.7761 123 0.27 95
IV.FOSV.EHZ. 2014-05-31T06:53:06.33 0.3 positive manual P 94 5.0949 149 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.4 0.00218 0.48 AML other m 2014-05-31T06:53:07.66
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download