Earthquake with magnitude of ML 1.6 on date 07-03-2009 and time 02:45:56 (UTC) in region 6 km SW Gubbio (PG)

A magnitude ML 1.6 earthquake occured in region: 6 km SW Gubbio (PG), on

  • 07-03-2009 02:45:56 (UTC)
  • 07-03-2009 03:45:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3060, 12.5550 at 12 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.

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 6 32216 32216
Costacciaro PG 14 1216 33432
Scheggia e Pascelupo PG 14 1393 34825
Sigillo PG 15 2404 37229
Valfabbrica PG 17 3389 40618
Fossato di Vico PG 17 2840 43458
Pietralunga PG 18 2111 45569
Umbertide PG 18 16681 62250
Montone PG 20 1680 63930
Cantiano PU 20 2245 66175

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Perugia (166134 inhabitants)
41 Km NW of Foligno (57155 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
71 Km SW of Fano (60888 inhabitants)
73 Km SW of Pesaro (94582 inhabitants)
83 Km N of Terni (111501 inhabitants)
84 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
96 Km S of Cesena (96758 inhabitants)
99 Km E of Siena (53903 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 1.3
ML 1.6
2009-03-07
02:45:56
43.306 12.555 12 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 748779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-03-07 02:45:56 ± 0.2
Latitude 43.3060 ± 0.0315
Longitude 12.5550 ± 0.0161
Depth (km) 12 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 748779

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3728
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 3733.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 748779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:09:30

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 748779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:09:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.SHZ. 2009-03-07T02:46:07.04 0.1 undecidable manual Sg 100 31.6461 0.01 49
IV.PIEI.HHE. 2009-03-07T02:46:05.51 0.1 undecidable manual Sg 356 25.5522 0.098 48
IV.SNTG.SHZ. 2009-03-07T02:46:02.41 0.1 undecidable manual Pg 100 31.6461 -0.009 97
IV.PIEI.HHE. 2009-03-07T02:46:01.40 0.1 undecidable manual Pg 356 25.5522 -0.084 97
IV.MURB.HHN. 2009-03-07T02:46:00.52 0.1 undecidable manual Sg 207 5.2947 -0.104 50
IV.MURB.HHN. 2009-03-07T02:45:58.81 0.1 undecidable manual Pg 207 5.2947 0.09 100
IV.LPEL.HHN. 2009-03-07T02:45:54.52 10.0 undecidable manual Pg 0 0 0
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