Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 09-08-2006 and time 09:29:36 (Italy) in region 4 km NW Pietralunga (PG)

A magnitude ML 2.1 earthquake occured in region: 4 km NW Pietralunga (PG), on

  • 09-08-2006 07:29:36 (UTC)
  • 09-08-2006 09:29:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4790, 12.4200 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 4 2111 2111
Apecchio PU 9 1882 3993
Piobbico PU 14 2029 6022
Montone PG 15 1680 7702
Città di Castello PG 15 39913 47615
Cantiano PU 17 2245 49860
Gubbio PG 19 32216 82076
Mercatello sul Metauro PU 20 1378 83454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
43 Km E of Arezzo (99543 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
88 Km SE of Forlì (117913 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
99 Km E of Firenze (382808 inhabitants)
100 Km SE of Faenza (58541 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 		Md 2.6
ML 2.1 		2006-08-09
07:29:36		 43.479 12.42 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 585499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-09 07:29:36 ± 0.12
Latitude 43.4790 ± 0.0090
Longitude 12.4200 ± 0.0099
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 585499

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1118
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93080
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 585499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:12:39

Md:2.6

Field Value
Value 2.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 585499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:12:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FG5.SHZ. 2006-08-09T07:30:30.70 10.0 undecidable manual Pg 0 0 0
IV.MNS.BHE. 2006-08-09T07:30:15.64 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHE. 2006-08-09T07:29:57.22 0.1 undecidable manual Sg 316 65.8896 0.481 42
IV.CING.HHN. 2006-08-09T07:29:56.97 0.1 undecidable manual Sg 100 63.492 0.885 36
IV.CSNT.SHZ. 2006-08-09T07:29:54.91 10.0 undecidable manual Pg 0 0 0
IV.ARCI.HHE. 2006-08-09T07:29:54.90 1.0 undecidable manual Pg 228 103.3188 1.124 15
IV.SNTG.SHZ. 2006-08-09T07:29:52.54 0.1 undecidable manual Sg 120 48.7179 0.386 44
IV.ASS.SHZ. 2006-08-09T07:29:52.34 0.1 undecidable manual Sg 158 49.8168 -0.086 47
IV.ARV.SHZ. 2006-08-09T07:29:50.38 0.1 undecidable manual Sg 87 41.9247 0.041 48
IV.CRE.SHZ. 2006-08-09T07:29:49.83 0.6 undecidable manual Sg 293 40.7259 -0.188 23
IV.SFI.EHE. 2006-08-09T07:29:48.61 1.0 undecidable manual Pg 316 65.8896 0.6 20
IV.CING.HHN. 2006-08-09T07:29:47.66 0.3 undecidable manual Pg 100 63.492 0.028 69
IV.MURB.HHZ. 2006-08-09T07:29:45.77 0.1 undecidable manual Sg 161 25.3524 0.411 45
IV.SNTG.SHZ. 2006-08-09T07:29:45.01 0.1 undecidable manual Pg 120 48.7179 -0.352 88
IV.ASS.SHZ. 2006-08-09T07:29:45.23 0.1 undecidable manual Pg 158 49.8168 -0.289 89
IV.CRE.SHZ. 2006-08-09T07:29:43.81 0.1 undecidable manual Pg 293 40.7259 -0.319 90
IV.ARV.SHZ. 2006-08-09T07:29:43.99 0.1 positive manual Pg 87 41.9247 -0.325 90
IV.CDCA.SHZ. 2006-08-09T07:29:42.20 0.1 undecidable manual Sg 261 15.1737 0.091 49
IV.BADI.EHZ. 2006-08-09T07:29:41.92 0.1 undecidable manual Sg 284 14.5743 0.004 50
IV.MURB.HHZ. 2006-08-09T07:29:41.37 0.1 undecidable manual Pg 161 25.3524 -0.069 98
IV.CDCA.SHZ. 2006-08-09T07:29:39.53 0.1 undecidable manual Pg 261 15.1737 -0.033 100
IV.BADI.EHZ. 2006-08-09T07:29:39.54 0.1 undecidable manual Pg 284 14.5743 0.088 99
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