Earthquake with magnitude of ML 1.1 on date 05-02-2009 and time 14:09:14 (Italy) in region 3 km E Castel Giorgio (TR)

A magnitude ML 1.1 earthquake occured in region: 3 km E Castel Giorgio (TR), on

  • 05-02-2009 13:09:14 (UTC)
  • 05-02-2009 14:09:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7110, 12.0200 at 9 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
Castel Giorgio TR 3 2131 2131
Castel Viscardo TR 5 2938 5069
Porano TR 7 1966 7035
Orvieto TR 7 20630 27665
Bolsena VT 8 3991 31656
San Lorenzo Nuovo VT 10 2091 33747
Lubriano VT 11 909 34656
Bagnoregio VT 11 3650 38306
Allerona TR 12 1794 40100
Grotte di Castro VT 13 2683 42783
Acquapendente VT 13 5506 48289
Ficulle TR 15 1669 49958
Gradoli VT 15 1353 51311
Proceno VT 16 557 51868
Baschi TR 17 2722 54590
Onano VT 17 995 55585
Castiglione in Teverina VT 17 2329 57914
Fabro TR 17 2876 60790
Civitella d'Agliano VT 18 1640 62430
Latera VT 18 836 63266
Parrano TR 19 534 63800
Celleno VT 19 1355 65155
Montefiascone VT 19 13432 78587

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Viterbo (67173 inhabitants)
53 Km SW of Perugia (166134 inhabitants)
54 Km W of Terni (111501 inhabitants)
62 Km W of Foligno (57155 inhabitants)
71 Km N of Civitavecchia (52991 inhabitants)
74 Km E of Grosseto (82087 inhabitants)
85 Km S of Arezzo (99543 inhabitants)
88 Km SE of Siena (53903 inhabitants)
98 Km NW of Guidonia Montecelio (88673 inhabitants)
99 Km NW of Roma (2864731 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 1.6
ML 1.1
2009-02-05
13:09:14
42.711 12.02 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-05 13:09:14 ± 0.35
Latitude 42.7110 ± 0.0099
Longitude 12.0200 ± 0.0196
Depth (km) 9 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742259

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1597
Semi-minor axis of confidence ellipse (meter) 1081
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 1941.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
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) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21224
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:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 742259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:16

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 742259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHN. 2009-02-05T13:09:23.34 0.6 undecidable manual Sg 18 23.5542 0.124 49
IV.LATE.HHZ. 2009-02-05T13:09:22.11 0.6 undecidable manual Sg 239 20.6682 -0.191 48
IV.SACS.HHZ. 2009-02-05T13:09:21.41 0.3 undecidable manual Sg 330 17.7711 0.04 75
IV.LATE.HHZ. 2009-02-05T13:09:19.21 0.3 undecidable manual Pg 239 20.6682 0.22 72
IV.MGAB.HHN. 2009-02-05T13:09:19.41 0.1 undecidable manual Pg 18 23.5542 -0.109 98
IV.SACS.HHZ. 2009-02-05T13:09:18.40 0.1 undecidable manual Pg 330 17.7711 -0.055 100
IV.ERBM.EHZ. 2009-02-05T13:08:54.06 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