Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 09-12-2013 and time 06:32:56 (UTC) in region 6 km E Pietralunga (PG)

A magnitude ML 1.3 earthquake occured in region: 6 km E Pietralunga (PG), on

  • 09-12-2013 06:32:56 (UTC)
  • 09-12-2013 07:32:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4420, 12.5130 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
Pietralunga PG 6 2111 2111
Cantiano PU 10 2245 4356
Gubbio PG 11 32216 36572
Scheggia e Pascelupo PG 13 1393 37965
Apecchio PU 15 1882 39847
Cagli PU 16 8731 48578
Piobbico PU 17 2029 50607
Montone PG 17 1680 52287
Costacciaro PG 19 1216 53503

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
56 Km N of Foligno (57155 inhabitants)
61 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
80 Km S of Cesena (96758 inhabitants)
84 Km W of Ancona (100861 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
96 Km E of Siena (53903 inhabitants)
99 Km N of Terni (111501 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 1.3 2013-12-09
06:32:56		 43.4417 12.5128 8 2015-01-20
11:30:17		 Bollettino Sismico Italiano INGV 5589191
Reviewed
Rev100 		ML 1.4 2013-12-09
06:32:56		 43.4387 12.5108 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4932171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-09 06:32:56 ± 0.05
Latitude 43.4417 ± 0.0018
Longitude 12.5128 ± 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 5589191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 247
Semi-minor axis of confidence ellipse (meter) 76
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 4932171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-09 06:38:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 5589191
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:07:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2013-12-09T06:33:11.95 0.3 undecidable manual S 254 45.8208 50 0.09 69
IV.PARC.HHZ. 2013-12-09T06:33:08.11 0.3 undecidable manual S 316 31.8459 104 0.19 70
IV.ATCC.EHZ. 2013-12-09T06:33:07.73 0.3 undecidable manual S 160 30.2475 105 0.34 68
IV.MPAG.EHZ. 2013-12-09T06:33:06.97 0.3 undecidable manual S 44 28.749 106 0.08 72
IV.CAFI.HHZ. 2013-12-09T06:33:05.28 0.1 undecidable manual P 254 45.8208 50 -0.09 92
IV.SSFR.HHZ. 2013-12-09T06:33:04.59 0.1 undecidable manual S 91 21.7671 111 0.02 98
IV.MURB.HHZ. 2013-12-09T06:33:04.18 0.3 undecidable manual S 177 19.869 112 0.22 71
IV.FRON.EHZ. 2013-12-09T06:33:03.89 0.1 undecidable manual S 64 19.0698 113 0.16 95
IV.PARC.HHZ. 2013-12-09T06:33:02.88 0.1 undecidable manual P 316 31.8459 104 -0.22 92
IV.MPAG.EHZ. 2013-12-09T06:33:02.34 0.1 undecidable manual P 44 28.749 106 -0.17 94
IV.ATCC.EHZ. 2013-12-09T06:33:02.64 0.1 undecidable manual P 160 30.2475 105 -0.16 94
IV.ATVO.HHZ. 2013-12-09T06:33:01.17 0.1 undecidable manual S 232 10.7781 127 -0.05 99
IV.SSFR.HHZ. 2013-12-09T06:33:01.16 0.1 undecidable manual P 91 21.7671 111 -0.01 98
IV.ATPI.EHZ. 2013-12-09T06:33:00.78 0.3 undecidable manual S 276 8.9799 132 0.06 74
IV.MURB.HHZ. 2013-12-09T06:33:00.88 0.1 undecidable manual P 177 19.869 112 0.06 97
IV.ATFO.HHZ. 2013-12-09T06:33:00.57 0.3 undecidable manual S 150 9.5793 130 -0.31 70
IV.FRON.EHZ. 2013-12-09T06:33:00.71 0.1 undecidable manual P 64 19.0698 113 0.03 98
IV.ATPI.EHZ. 2013-12-09T06:32:59.06 0.1 positive manual P 276 8.9799 132 0.12 98
IV.ATVO.HHZ. 2013-12-09T06:32:59.23 0.1 positive manual P 232 10.7781 127 0 100
IV.ATFO.HHZ. 2013-12-09T06:32:58.84 0.1 undecidable manual P 150 9.5793 130 -0.2 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.3 0.0000886 0.24 AML other m 2013-12-09T06:33:08.03
IV.ATCC.EHN. ML:1.4 0.00011549999999999999 0.3 AML other m 2013-12-09T06:33:08.04
IV.ATFO.HHE. ML:1.2 0.00023 0.26 AML other m 2013-12-09T06:33:00.79
IV.ATFO.HHN. ML:1.4 0.0004095 0.32 AML other m 2013-12-09T06:33:02.09
IV.ATPI.EHE. ML:1.3 0.000311 0.48 AML other m 2013-12-09T06:33:01.15
IV.ATPI.EHN. ML:1.3 0.000288 0.3 AML other m 2013-12-09T06:33:01.03
IV.ATTE.HHE. ML:0.9 0.00003925 1.58 AML other m 2013-12-09T06:33:09.37
IV.ATTE.HHN. ML:0.9 0.0000419 0.6 AML other m 2013-12-09T06:33:08.98
IV.ATVO.HHE. ML:1.4 0.0003625 0.42 AML other m 2013-12-09T06:33:01.48
IV.ATVO.HHN. ML:1.3 0.000256 0.28 AML other m 2013-12-09T06:33:01.43
IV.FRON.EHN. ML:1.4 0.00018735 1.04 AML other m 2013-12-09T06:33:04.28
IV.FRON.EHE. ML:1.1 0.00010195 1 AML other m 2013-12-09T06:33:04.95
IV.MURB.HHN. ML:1.5 0.000265 0.22 AML other m 2013-12-09T06:33:05.54
IV.MURB.HHE. ML:1.8 0.000449 0.26 AML other m 2013-12-09T06:33:06.27
IV.SSFR.HHE. ML:1.6 0.0002725 0.2 AML other m 2013-12-09T06:33:04.90
IV.SSFR.HHN. ML:1.5 0.00020600000000000002 1.08 AML other m 2013-12-09T06:33:06.00
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