Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 08-04-2009 and time 23:29:03 (Italy) in region 1 km SE Fossa (AQ)

A magnitude ML 2.0 earthquake occured in region: 1 km SE Fossa (AQ), on

  • 08-04-2009 21:29:03 (UTC)
  • 08-04-2009 23:29:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2840, 13.4990 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.

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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 1 721 721
Ocre AQ 2 1167 1888
Sant'Eusanio Forconese AQ 2 394 2282
Villa Sant'Angelo AQ 4 424 2706
San Demetrio ne' Vestini AQ 5 1854 4560
Rocca di Cambio AQ 5 533 5093
Poggio Picenze AQ 6 1136 6229
Fagnano Alto AQ 7 418 6647
Rocca di Mezzo AQ 9 1526 8173
Prata d'Ansidonia AQ 9 496 8669
Barisciano AQ 9 1828 10497
Fontecchio AQ 11 369 10866
L'Aquila AQ 11 69753 80619
San Pio delle Camere AQ 13 661 81280
Lucoli AQ 13 1011 82291
Santo Stefano di Sessanio AQ 14 111 82402
Tione degli Abruzzi AQ 14 310 82712
Caporciano AQ 15 230 82942
Carapelle Calvisio AQ 15 87 83029
Castelvecchio Calvisio AQ 16 153 83182
Tornimparte AQ 16 3187 86369
Ovindoli AQ 17 1227 87596
Calascio AQ 17 137 87733
Navelli AQ 20 554 88287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
45 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)
76 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
94 Km E of Roma (2864731 inhabitants)
99 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 		Md 2.4
ML 2.0 		2009-04-08
21:29:03		 42.284 13.499 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 776099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 21:29:03 ± 0.06
Latitude 42.2840 ± 0.0036
Longitude 13.4990 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 776099

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 404
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84266
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 776099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:13

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 776099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHE. 2009-04-08T21:29:36.33 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHN. 2009-04-08T21:29:33.75 10.0 undecidable manual Sg 0 0 0
IV.CESX.HHE. 2009-04-08T21:29:32.97 10.0 undecidable manual Sg 0 0 0
IV.OFFI.HHE. 2009-04-08T21:29:30.03 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHE. 2009-04-08T21:29:30.72 10.0 undecidable manual Sg 0 0 0
IV.MIDA.HHN. 2009-04-08T21:29:29.70 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-08T21:29:28.45 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHE. 2009-04-08T21:29:27.29 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHE. 2009-04-08T21:29:27.27 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-08T21:29:25.77 0.6 undecidable manual Sg 158 68.5758 0.815 36
IV.NRCA.HHZ. 2009-04-08T21:29:25.56 0.6 undecidable manual Sg 333 68.6757 0.601 40
IV.RNI2.HHE. 2009-04-08T21:29:25.64 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHE. 2009-04-08T21:29:23.01 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHN. 2009-04-08T21:29:20.32 0.6 undecidable manual Pg 329 93.5397 0.493 39
IV.FDMO.HHE. 2009-04-08T21:29:19.04 0.3 undecidable manual Pg 338 90.0432 -0.241 63
IV.INTR.HHZ. 2009-04-08T21:29:18.95 0.1 undecidable manual Sg 132 44.9217 0.31 89
IV.VVLD.HHZ. 2009-04-08T21:29:18.52 0.1 undecidable manual Sg 167 47.0196 -0.675 80
IV.GIUL.HHN. 2009-04-08T21:29:18.11 0.6 undecidable manual Pg 194 82.9503 -0.083 44
IV.TERO.HHZ. 2009-04-08T21:29:16.68 0.3 undecidable manual Sg 13 38.5281 -0.258 69
IV.SDI.SHZ. 2009-04-08T21:29:16.26 0.3 undecidable manual Pg 158 68.5758 0.276 65
IV.MNS.HHZ. 2009-04-08T21:29:16.00 0.3 undecidable manual Pg 280 68.0763 0.107 67
IV.POFI.HHE. 2009-04-08T21:29:15.32 0.3 undecidable manual Pg 164 65.1903 -0.136 67
IV.NRCA.HHZ. 2009-04-08T21:29:15.98 0.3 undecidable manual Pg 333 68.6757 -0.007 68
IV.FIAM.HHZ. 2009-04-08T21:29:15.20 0.1 undecidable manual Sg 267 31.4463 0.176 94
IV.PTQR.SHZ. 2009-04-08T21:29:14.58 0.1 undecidable manual Sg 196 30.1476 -0.058 97
IV.GUAR.HHE. 2009-04-08T21:29:14.80 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-04-08T21:29:14.90 0.1 undecidable manual Sg 66 30.5472 0.126 95
IV.CERT.HHZ. 2009-04-08T21:29:14.05 0.1 undecidable manual Pg 229 56.499 -0.067 92
IV.CAMP.HHZ. 2009-04-08T21:29:13.98 0.1 undecidable manual Sg 345 28.9488 -0.254 93
IV.LNSS.HHN. 2009-04-08T21:29:13.37 0.3 undecidable manual Pg 313 51.6039 0.004 71
IV.INTR.HHZ. 2009-04-08T21:29:12.31 0.1 undecidable manual Pg 132 44.9217 -0.023 95
IV.VVLD.HHZ. 2009-04-08T21:29:12.46 0.1 undecidable manual Pg 167 47.0196 -0.195 91
IV.TERO.HHZ. 2009-04-08T21:29:11.03 0.1 undecidable manual Pg 13 38.5281 -0.32 90
IV.FIAM.HHZ. 2009-04-08T21:29:10.34 0.1 undecidable manual Pg 267 31.4463 0.096 96
IV.PTQR.SHZ. 2009-04-08T21:29:10.06 0.1 undecidable manual Pg 196 30.1476 0.04 97
IV.T0104.EHN. 2009-04-08T21:29:10.55 0.1 undecidable manual Sg 303 15.6732 0.553 89
IV.VCEL.EHZ. 2009-04-08T21:29:10.19 0.1 undecidable manual Pg 66 30.5472 0.087 96
IV.CAMP.HHZ. 2009-04-08T21:29:09.94 0.1 undecidable manual Pg 345 28.9488 0.15 95
MN.AQU.HHZ. 2009-04-08T21:29:08.60 0.3 undecidable manual Sg 314 11.1777 -0.089 75
IV.FAGN.HHZ. 2009-04-08T21:29:07.61 0.1 undecidable manual Sg 106 7.1928 -0.106 100
IV.T0104.EHN. 2009-04-08T21:29:06.61 0.1 undecidable manual Pg 303 15.6732 -0.732 82
IV.FAGN.HHZ. 2009-04-08T21:29:06.34 0.1 undecidable manual Pg 106 7.1928 0.317 95
MN.AQU.HHZ. 2009-04-08T21:29:06.53 0.1 undecidable manual Pg 314 11.1777 -0.058 100
BA.PZUN.HHE. 2009-04-08T21:28:10.46 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
Waveforms Seismic signals in miniseed + resp format Download