Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 07-04-2009 and time 00:02:47 (Italy) in region 4 km N Fossa (AQ)

A magnitude ML 2.4 earthquake occured in region: 4 km N Fossa (AQ), on

  • 06-04-2009 22:02:47 (UTC)
  • 07-04-2009 00:02:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3290, 13.4940 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.

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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 4 721 721
Poggio Picenze AQ 4 1136 1857
Sant'Eusanio Forconese AQ 5 394 2251
Ocre AQ 5 1167 3418
San Demetrio ne' Vestini AQ 7 1854 5272
Villa Sant'Angelo AQ 7 424 5696
Barisciano AQ 8 1828 7524
L'Aquila AQ 8 69753 77277
Rocca di Cambio AQ 10 533 77810
Fagnano Alto AQ 11 418 78228
Prata d'Ansidonia AQ 11 496 78724
Santo Stefano di Sessanio AQ 13 111 78835
Lucoli AQ 13 1011 79846
Rocca di Mezzo AQ 14 1526 81372
San Pio delle Camere AQ 14 661 82033
Fontecchio AQ 14 369 82402
Carapelle Calvisio AQ 16 87 82489
Castelvecchio Calvisio AQ 16 153 82642
Tornimparte AQ 16 3187 85829
Calascio AQ 17 137 85966
Caporciano AQ 17 230 86196
Tione degli Abruzzi AQ 18 310 86506
Castel del Monte AQ 20 413 86919

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
95 Km SE of Foligno (57155 inhabitants)
96 Km NE 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 		ML 2.4 2009-04-06
22:02:47		 42.329 13.494 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 763449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 22:02:47 ± 0.07
Latitude 42.3290 ± 0.0045
Longitude 13.4940 ± 0.0073
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 763449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 571
Semi-minor axis of confidence ellipse (meter) 357
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94069
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 763449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:26:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHN. 2009-04-06T22:03:45.47 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHE. 2009-04-06T22:03:23.89 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-06T22:03:17.22 10.0 undecidable manual Pg 0 0 0
IV.MA9.HHE. 2009-04-06T22:03:17.68 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHZ. 2009-04-06T22:03:17.25 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-06T22:03:14.64 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHN. 2009-04-06T22:03:13.88 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHN. 2009-04-06T22:03:11.81 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHE. 2009-04-06T22:03:10.06 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-04-06T22:03:10.06 10.0 undecidable manual Pg 0 0 0
IV.RMP.HHE. 2009-04-06T22:03:07.94 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T22:03:07.71 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHE. 2009-04-06T22:03:05.26 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHE. 2009-04-06T22:03:05.26 0.3 undecidable manual Pg 320 104.4177 0.306 60
IV.VVLD.HHZ. 2009-04-06T22:03:04.71 0.6 undecidable manual Sg 168 52.1034 0.773 38
IV.INTR.HHZ. 2009-04-06T22:03:03.40 0.3 undecidable manual Sg 136 48.8178 0.337 66
IV.FDMO.HHE. 2009-04-06T22:03:03.84 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-04-06T22:03:02.22 0.6 undecidable manual Pg 328 89.0442 -0.365 41
IV.GIUL.HHZ. 2009-04-06T22:03:01.54 0.6 undecidable manual Pg 193 87.7455 -0.848 34
IV.OFFI.HHZ. 2009-04-06T22:03:00.94 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHZ. 2009-04-06T22:02:59.27 0.6 undecidable manual Pg 241 70.5738 -0.458 41
.PTQR.---. 2009-04-06T22:02:59.34 0.6 undecidable manual Sg 193 34.9428 -0.021 48
IV.SDI.SHZ. 2009-04-06T22:02:59.98 0.3 undecidable manual Pg 159 73.4709 -0.207 65
IV.MNS.HHZ. 2009-04-06T22:02:59.15 0.3 undecidable manual Pg 276 66.9774 -0.028 68
IV.POFI.HHE. 2009-04-06T22:02:59.64 0.6 undecidable manual Pg 165 70.1742 -0.038 45
IV.TERO.HHZ. 2009-04-06T22:02:58.96 0.3 undecidable manual Sg 15 33.744 -0.094 71
IV.CERT.HHZ. 2009-04-06T22:02:58.72 0.1 undecidable manual Pg 225 59.5959 0.67 78
IV.FIAM.HHN. 2009-04-06T22:02:58.46 0.3 undecidable manual Sg 258 31.6461 -0.029 73
IV.GUAR.HHZ. 2009-04-06T22:02:57.98 0.3 undecidable manual Pg 194 61.1943 -0.311 65
IV.INTR.HHZ. 2009-04-06T22:02:56.59 0.3 undecidable manual Pg 136 48.8178 0.215 68
.CAMP.---. 2009-04-06T22:02:56.28 0.6 undecidable manual Sg 343 23.9538 0.078 49
IV.VVLD.HHZ. 2009-04-06T22:02:56.58 0.1 undecidable manual Pg 168 52.1034 -0.307 88
.PTQR.---. 2009-04-06T22:02:54.14 0.1 undecidable manual Pg 193 34.9428 -0.104 95
IV.TERO.HHZ. 2009-04-06T22:02:53.72 0.1 undecidable manual Pg 15 33.744 -0.347 90
IV.FIAM.HHN. 2009-04-06T22:02:53.80 0.3 undecidable manual Pg 258 31.6461 0.057 72
IV.VCEL.EHZ. 2009-04-06T22:02:53.40 0.1 undecidable manual Pg 76 29.3484 0.023 97
.CAMP.---. 2009-04-06T22:02:52.96 0.3 undecidable manual Pg 343 23.9538 0.542 66
MN.AQU.HHZ. 2009-04-06T22:02:51.48 0.1 undecidable manual Sg 290 8.0808 -0.117 99
IV.FAGN.HHZ. 2009-04-06T22:02:51.86 0.6 undecidable manual Sg 134 10.1787 -0.244 48
IV.FAGN.HHZ. 2009-04-06T22:02:50.10 0.1 undecidable manual Pg 134 10.1787 0.049 100
MN.AQU.HHZ. 2009-04-06T22:02:49.87 0.1 undecidable manual Pg 290 8.0808 0.11 99
IV.TRTR.HHN. 2009-04-06T22:02:14.85 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-04-06T22:02:14.22 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