Earthquake with magnitude of ML 1.1 on date 07-02-2009 and time 04:14:06 (Italy) in region 1 km W Valle Castellana (TE)

A magnitude ML 1.1 earthquake occured in region: 1 km W Valle Castellana (TE), on

  • 07-02-2009 03:14:06 (UTC)
  • 07-02-2009 04:14:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7360, 13.4880 at 24 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
Valle Castellana TE 1 977 977
Rocca Santa Maria TE 6 537 1514
Acquasanta Terme AP 7 2916 4430
Cortino TE 13 656 5086
Roccafluvione AP 14 2010 7096
Ascoli Piceno AP 15 49407 56503
Civitella del Tronto TE 15 5116 61619
Folignano AP 15 9241 70860
Arquata del Tronto AP 16 1178 72038
Torricella Sicura TE 16 2641 74679
Campli TE 16 7209 81888
Venarotta AP 16 2066 83954
Montegallo AP 17 523 84477
Palmiano AP 18 196 84673
Maltignano AP 20 2401 87074
Teramo TE 20 54892 141966

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
67 Km W of Pescara (121014 inhabitants)
68 Km E of Foligno (57155 inhabitants)
70 Km NW of Chieti (51815 inhabitants)
71 Km E of Terni (111501 inhabitants)
98 Km S of Ancona (100861 inhabitants)
99 Km E of Perugia (166134 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 1.4
ML 1.1
2009-02-07
03:14:06
42.736 13.488 24 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-07 03:14:06 ± 0.08
Latitude 42.7360 ± 0.0027
Longitude 13.4880 ± 0.0024
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 742659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:43

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 742659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2009-02-07T03:14:20.28 0.3 undecidable manual Sg 248 39.4272 -0.01 72
.NRCA.HHN. 2009-02-07T03:14:18.58 0.3 undecidable manual Sg 290 32.3454 -0.026 73
IV.TERO.HHE. 2009-02-07T03:14:15.25 0.3 undecidable manual Sg 143 15.6732 0.036 75
IV.LNSS.HHZ. 2009-02-07T03:14:14.50 0.1 undecidable manual Pg 248 39.4272 0.013 97
.NRCA.HHN. 2009-02-07T03:14:13.55 0.1 undecidable manual Pg 290 32.3454 0.035 97
IV.CMPO.HHZ. 2009-02-07T03:14:13.93 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHE. 2009-02-07T03:14:11.51 0.1 undecidable manual Pg 143 15.6732 -0.046 100
IV.PARC.HHZ. 2009-02-07T03:13:55.79 10.0 undecidable manual Pg 0 0 0
IV.ERBM.EHN. 2009-02-07T03:13:40.93 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