Earthquake with magnitude of ML 0.6 on date 03-03-2009 and time 23:41:59 (UTC) in region 5 km E Spello (PG)

A magnitude ML 0.6 earthquake occured in region: 5 km E Spello (PG), on

  • 03-03-2009 23:41:59 (UTC)
  • 04-03-2009 00:41:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 12.7360 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
Spello PG 5 8645 8645
Foligno PG 6 57155 65800
Valtopina PG 6 1398 67198
Assisi PG 12 28299 95497
Cannara PG 12 4305 99802
Nocera Umbra PG 13 5839 105641
Bevagna PG 13 5081 110722
Montefalco PG 14 5679 116401
Trevi PG 14 8469 124870
Bastia Umbra PG 17 21874 146744
Gualdo Cattaneo PG 18 6155 152899
Serravalle di Chienti MC 19 1070 153969

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of Foligno (57155 inhabitants)
30 Km E of Perugia (166134 inhabitants)
50 Km N of Terni (111501 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
86 Km SE of Arezzo (99543 inhabitants)
88 Km W of Teramo (54892 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 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 1.2
ML 0.6
2009-03-03
23:41:59
43.006 12.736 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 747819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-03-03 23:41:59 ± 0.16
Latitude 43.0060 ± 0.0018
Longitude 12.7360 ± 0.0111
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 747819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 927
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.32645
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.9
Num. used stations
Type of magnitude ML
Reference to an origin 747819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:08:27

Md:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 747819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:08:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.SHZ. 2009-03-03T23:42:11.80 0.1 undecidable manual Sg 122 36.2415 0.379 45
IV.CESI.HHE. 2009-03-03T23:42:05.00 0.1 undecidable manual Sg 91 13.6752 0.052 50
IV.NRCA.SHZ. 2009-03-03T23:42:05.96 0.1 undecidable manual Pg 122 36.2415 -0.235 92
IV.ASSB.HHE. 2009-03-03T23:42:03.38 0.1 undecidable manual Sg 303 7.4814 -0.016 51
IV.CESI.HHE. 2009-03-03T23:42:02.40 0.1 undecidable manual Pg 91 13.6752 -0.062 100
IV.ASSB.HHE. 2009-03-03T23:42:01.66 0.1 undecidable manual Pg 303 7.4814 0.09 100
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