Earthquake with magnitude of ML 1.0 on date 17-02-2009 and time 06:06:57 (Italy) in region 7 km E Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km E Valfabbrica (PG), on

  • 17-02-2009 05:06:57 (UTC)
  • 17-02-2009 06:06:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1290, 12.6810 at 10 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
Valfabbrica PG 7 3389 3389
Assisi PG 8 28299 31688
Nocera Umbra PG 9 5839 37527
Valtopina PG 10 1398 38925
Bastia Umbra PG 13 21874 60799
Gualdo Tadino PG 14 15208 76007
Spello PG 15 8645 84652
Cannara PG 17 4305 88957
Foligno PG 19 57155 146112
Fossato di Vico PG 20 2840 148952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Foligno (57155 inhabitants)
24 Km E of Perugia (166134 inhabitants)
63 Km N of Terni (111501 inhabitants)
75 Km SE of Arezzo (99543 inhabitants)
84 Km SW of Fano (60888 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
98 Km NW of Teramo (54892 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 1.8
ML 1.0
2009-02-17
05:06:57
43.129 12.681 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 744819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-17 05:06:57 ± 0.06
Latitude 43.1290 ± 0.0045
Longitude 12.6810 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 744819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 539
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.17627
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 744819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:07

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 744819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-02-17T05:07:13.10 0.6 undecidable manual Sg 133 48.0186 0.41 44
IV.MGAB.HHE. 2009-02-17T05:07:13.84 0.6 undecidable manual Sg 243 52.0035 0.083 47
IV.FDMO.HHE. 2009-02-17T05:07:09.10 0.3 undecidable manual Sg 107 34.4433 0.04 73
IV.NRCA.HHE. 2009-02-17T05:07:06.13 0.3 undecidable manual Pg 133 48.0186 0.035 71
IV.SNTG.SHZ. 2009-02-17T05:07:06.28 0.6 undecidable manual Sg 56 25.1526 -0.165 48
IV.MGAB.HHE. 2009-02-17T05:07:06.44 0.3 undecidable manual Pg 243 52.0035 -0.272 68
IV.CESI.HHN. 2009-02-17T05:07:05.67 0.3 undecidable manual Sg 127 22.755 0.013 75
IV.MURB.HHN. 2009-02-17T05:07:04.88 0.3 undecidable manual Sg 320 19.5693 0.234 72
IV.FDMO.HHE. 2009-02-17T05:07:03.83 0.1 undecidable manual Pg 107 34.4433 -0.17 95
IV.SNTG.SHZ. 2009-02-17T05:07:02.55 0.1 undecidable manual Pg 56 25.1526 0.061 99
IV.CESI.HHN. 2009-02-17T05:07:02.02 0.1 undecidable manual Pg 127 22.755 -0.016 100
IV.MURB.HHN. 2009-02-17T05:07:01.38 0.1 undecidable manual Pg 320 19.5693 -0.071 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