Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-12-2013 and time 17:48:35 (UTC) in region 7 km NW Gubbio (PG)

A magnitude ML 1.2 earthquake occured in region: 7 km NW Gubbio (PG), on

  • 09-12-2013 17:48:35 (UTC)
  • 09-12-2013 18:48:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3960, 12.5100 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.

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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
Gubbio PG 7 32216 32216
Pietralunga PG 8 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 13 2245 37965
Montone PG 15 1680 39645
Costacciaro PG 17 1216 40861
Umbertide PG 18 16681 57542
Apecchio PU 20 1882 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
85 Km S of Cesena (96758 inhabitants)
94 Km N of Terni (111501 inhabitants)
96 Km E of Siena (53903 inhabitants)
99 Km SE of Forlì (117913 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 1.2 2013-12-09
17:48:35		 43.3962 12.5102 7 2015-01-20
11:30:17		 Bollettino Sismico Italiano INGV 5622891
Reviewed
Rev100 		ML 1.2 2013-12-09
17:48:35		 43.409 12.5365 6 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4934901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-09 17:48:35 ± 0.09
Latitude 43.3962 ± 0.0027
Longitude 12.5102 ± 0.0025
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 5622891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 238
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 4934901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-09 17:53:27

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 5622891
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2013-12-09T17:48:49.05 3.0 positive manual P 0.24 0
IV.MPAG.EHE. 2013-12-09T17:48:47.46 0.1 undecidable manual S 38 32.745 101 0.06 95
IV.ATCC.EHZ. 2013-12-09T17:48:45.30 0.3 undecidable manual S 156 25.6521 104 0.3 69
IV.BADI.EHZ. 2013-12-09T17:48:44.90 0.3 undecidable manual S 301 24.8529 105 0.17 71
IV.SSFR.HHE. 2013-12-09T17:48:44.21 0.1 undecidable manual S 78 22.3554 106 0.31 92
IV.FRON.EHE. 2013-12-09T17:48:43.64 0.3 undecidable manual S 52 21.9669 107 -0.14 72
IV.MPAG.EHE. 2013-12-09T17:48:42.23 0.3 undecidable manual P 38 32.745 101 -0.27 68
IV.MURB.HHZ. 2013-12-09T17:48:41.50 0.3 undecidable manual S 176 14.7741 114 0.06 73
IV.ATCC.EHZ. 2013-12-09T17:48:41.02 0.1 undecidable manual P 156 25.6521 104 -0.1 95
IV.FRON.EHE. 2013-12-09T17:48:40.44 0.1 undecidable manual P 52 21.9669 107 0.03 97
IV.ATPI.EHZ. 2013-12-09T17:48:40.30 0.3 undecidable manual S 305 10.5783 122 0.16 73
IV.BADI.EHZ. 2013-12-09T17:48:40.94 0.1 undecidable manual P 301 24.8529 105 -0.02 97
IV.SSFR.HHE. 2013-12-09T17:48:40.28 0.1 undecidable manual P 78 22.3554 106 -0.2 94
IV.MURB.HHZ. 2013-12-09T17:48:39.00 0.1 undecidable manual P 176 14.7741 114 -0.06 98
IV.ATVO.HHZ. 2013-12-09T17:48:39.40 0.1 undecidable manual S 259 8.4804 128 -0.14 97
IV.ATFO.HHZ. 2013-12-09T17:48:38.80 0.1 undecidable manual S 124 5.8941 138 -0.08 99
IV.ATPI.EHZ. 2013-12-09T17:48:38.40 0.1 undecidable manual P 305 10.5783 122 0.09 98
IV.ATFO.HHZ. 2013-12-09T17:48:37.55 0.1 undecidable manual P 124 5.8941 138 -0.04 100
IV.ATVO.HHZ. 2013-12-09T17:48:37.92 0.1 undecidable manual P 259 8.4804 128 -0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:1.2 0.00009805 0.16 AML other m 2013-12-09T17:48:45.12
IV.BADI.EHN. ML:1.2 0.00008705 0.18 AML other m 2013-12-09T17:48:45.14
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