Earthquake with magnitude of ML 1.9 on date 07-02-2009 and time 04:14:44 (Italy) in region 1 km NW Valle Castellana (TE)

A magnitude ML 1.9 earthquake occured in region: 1 km NW Valle Castellana (TE), on

  • 07-02-2009 03:14:44 (UTC)
  • 07-02-2009 04:14:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 13.4870 at 23 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
Acquasanta Terme AP 7 2916 3893
Rocca Santa Maria TE 7 537 4430
Roccafluvione AP 13 2010 6440
Cortino TE 14 656 7096
Ascoli Piceno AP 14 49407 56503
Folignano AP 15 9241 65744
Civitella del Tronto TE 15 5116 70860
Venarotta AP 15 2066 72926
Arquata del Tronto AP 16 1178 74104
Campli TE 17 7209 81313
Montegallo AP 17 523 81836
Torricella Sicura TE 17 2641 84477
Palmiano AP 18 196 84673
Maltignano AP 19 2401 87074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
44 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)
71 Km NW of Chieti (51815 inhabitants)
72 Km E of Terni (111501 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 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 1.5
ML 1.9
2009-02-07
03:14:44
42.744 13.487 23 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-07 03:14:44 ± 0.07
Latitude 42.7440 ± 0.0045
Longitude 13.4870 ± 0.0037
Depth (km) 23 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742669

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 546
Semi-minor axis of confidence ellipse (meter) 130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35793
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 742669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:44

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 742669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
I1.MSCL.BHN. 2009-02-07T03:15:08.17 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-02-07T03:15:07.41 10.0 undecidable manual Sg 0 0 0
IV.ERBM.EHN. 2009-02-07T03:15:01.90 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-02-07T03:14:58.12 0.3 undecidable manual Sg 247 39.7269 0.014 72
IV.SNTG.SHZ. 2009-02-07T03:14:57.64 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHN. 2009-02-07T03:14:56.26 0.3 undecidable manual Sg 288 31.9458 0.017 73
IV.ORI.EHZ. 2009-02-07T03:14:55.65 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-02-07T03:14:52.29 0.1 undecidable manual Pg 247 39.7269 -0.018 96
IV.TERO.HHN. 2009-02-07T03:14:52.99 0.3 undecidable manual Sg 145 16.4724 -0.03 75
IV.NRCA.HHN. 2009-02-07T03:14:51.21 0.1 undecidable manual Pg 288 31.9458 -0.022 98
IV.TERO.HHN. 2009-02-07T03:14:49.41 0.1 positive manual Pg 145 16.4724 0.039 100
IV.GUAR.HHN. 2009-02-07T03:14:47.52 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