Earthquake with magnitude of ML 2.3 on date 06-04-2009 and time 23:05:18 (Italy) in region 1 km N Fossa (AQ)

A magnitude ML 2.3 earthquake occured in region: 1 km N Fossa (AQ), on

  • 06-04-2009 21:05:18 (UTC)
  • 06-04-2009 23:05:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2990, 13.4900 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
Fossa AQ 1 721 721
Ocre AQ 2 1167 1888
Sant'Eusanio Forconese AQ 3 394 2282
Poggio Picenze AQ 5 1136 3418
Villa Sant'Angelo AQ 5 424 3842
San Demetrio ne' Vestini AQ 6 1854 5696
Rocca di Cambio AQ 7 533 6229
Fagnano Alto AQ 9 418 6647
Barisciano AQ 9 1828 8475
L'Aquila AQ 10 69753 78228
Prata d'Ansidonia AQ 10 496 78724
Rocca di Mezzo AQ 10 1526 80250
Fontecchio AQ 12 369 80619
Lucoli AQ 13 1011 81630
San Pio delle Camere AQ 14 661 82291
Santo Stefano di Sessanio AQ 14 111 82402
Tornimparte AQ 16 3187 85589
Caporciano AQ 16 230 85819
Tione degli Abruzzi AQ 16 310 86129
Carapelle Calvisio AQ 16 87 86216
Castelvecchio Calvisio AQ 17 153 86369
Calascio AQ 17 137 86506
Ovindoli AQ 19 1227 87733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SE of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
75 Km E of Terni (111501 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
94 Km E of Roma (2864731 inhabitants)
97 Km SE of Foligno (57155 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
ML 2.3 2009-04-06
21:05:18
42.299 13.49 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 763029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 21:05:18 ± 0.16
Latitude 42.2990 ± 0.0108
Longitude 13.4900 ± 0.0146
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 763029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1428
Semi-minor axis of confidence ellipse (meter) 899
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 1697.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.64
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42088
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 763029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:25:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2009-04-06T21:05:33.46 0.3 undecidable manual Sg 133 46.7199 -0.18 69
IV.TERO.HHZ. 2009-04-06T21:05:31.25 0.3 undecidable manual Sg 14 37.0296 0.181 69
IV.PTQR.SHZ. 2009-04-06T21:05:30.71 0.6 undecidable manual Sg 194 31.6461 1.086 33
IV.INTR.HHZ. 2009-04-06T21:05:26.24 0.3 undecidable manual Pg 133 46.7199 -0.904 55
IV.VCEL.EHZ. 2009-04-06T21:05:25.44 0.3 undecidable manual Pg 70 30.6471 0.772 58
IV.PTQR.SHZ. 2009-04-06T21:05:25.30 0.6 undecidable manual Pg 194 31.6461 0.47 44
IV.TERO.HHZ. 2009-04-06T21:05:25.35 0.3 undecidable manual Pg 14 37.0296 -0.309 68
IV.FIAM.HHZ. 2009-04-06T21:05:24.21 0.1 undecidable manual Pg 264 30.8469 -0.487 89
IV.FAGN.HHN. 2009-04-06T21:05:22.56 0.3 undecidable manual Sg 116 8.5803 -0.033 74
MN.AQU.HHE. 2009-04-06T21:05:22.82 0.3 undecidable manual Sg 310 9.4794 0.006 75
MN.AQU.HHE. 2009-04-06T21:05:21.05 0.1 undecidable manual Pg 310 9.4794 0.151 98
IV.FAGN.HHN. 2009-04-06T21:05:20.77 0.1 undecidable manual Pg 116 8.5803 0.004 100
IV.MA9.HHZ. 2009-04-06T21:05:19.72 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHZ. 2009-04-06T21:05:19.34 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHZ. 2009-04-06T21:05:19.57 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-06T21:05:19.37 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHN. 2009-04-06T21:05:19.76 10.0 undecidable manual Pg 0 0 0
IV.RMP.HHZ. 2009-04-06T21:05:18.62 0.1 undecidable manual Pg 0 0 0
IV.GIUL.HHZ. 2009-04-06T21:05:18.84 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-06T21:05:18.75 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-06T21:05:17.68 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHZ. 2009-04-06T21:05:17.43 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-06T21:05:16.12 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T21:05:15.85 0.3 undecidable manual Pg 0 0 0
IV.MTCE.HHZ. 2009-04-06T21:05:14.72 0.3 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T21:05:14.97 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T21:05:14.38 0.3 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T21:05:13.60 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-06T21:05:12.31 0.1 undecidable manual Pg 0 0 0
IV.CERT.HHZ. 2009-04-06T21:05:12.94 0.1 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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