Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-04-2009 and time 07:43:48 (Italy) in region NE Fossa (AQ)

A magnitude ML 2.0 earthquake occured in region: NE Fossa (AQ), on

  • 09-04-2009 05:43:48 (UTC)
  • 09-04-2009 07:43:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2970, 13.4930 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Villa Sant'Angelo AQ 5 424 2706
Poggio Picenze AQ 5 1136 3842
San Demetrio ne' Vestini AQ 6 1854 5696
Rocca di Cambio AQ 7 533 6229
Fagnano Alto AQ 8 418 6647
Barisciano AQ 9 1828 8475
Prata d'Ansidonia AQ 10 496 8971
L'Aquila AQ 10 69753 78724
Rocca di Mezzo AQ 10 1526 80250
Fontecchio AQ 12 369 80619
Lucoli AQ 13 1011 81630
San Pio delle Camere AQ 13 661 82291
Santo Stefano di Sessanio AQ 14 111 82402
Caporciano AQ 16 230 82632
Tione degli Abruzzi AQ 16 310 82942
Carapelle Calvisio AQ 16 87 83029
Tornimparte AQ 16 3187 86216
Castelvecchio Calvisio AQ 16 153 86369
Calascio AQ 17 137 86506
Ovindoli AQ 18 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)
95 Km E of Roma (2864731 inhabitants)
98 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 2.1
ML 2.0 		2009-04-09
05:43:48		 42.297 13.493 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 778449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 05:43:48 ± 0.07
Latitude 42.2970 ± 0.0045
Longitude 13.4930 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 778449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 684
Semi-minor axis of confidence ellipse (meter) 287
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) 707.1
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 31
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82917
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 778449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:44:02

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 778449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:44:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2009-04-09T05:44:23.75 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHE. 2009-04-09T05:44:22.40 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-09T05:44:09.17 0.3 undecidable manual Sg 333 67.0773 0.528 60
IV.MNS.HHE. 2009-04-09T05:44:09.23 10.0 undecidable manual Sg 0 0 0
IV.POFI.HHZ. 2009-04-09T05:44:07.59 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-04-09T05:44:04.69 0.1 undecidable manual Sg 313 50.2164 0.544 82
IV.GUAR.HHZ. 2009-04-09T05:44:04.23 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHE. 2009-04-09T05:44:04.71 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-09T05:44:03.53 0.1 undecidable manual Sg 133 46.3203 0.416 86
IV.CESI.HHE. 2009-04-09T05:44:03.95 0.3 undecidable manual Pg 329 92.0412 0.177 62
IV.SDI.SHZ. 2009-04-09T05:44:02.34 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-09T05:44:00.24 0.6 undecidable manual Sg 14 37.2294 -0.443 43
IV.PTQR.SHZ. 2009-04-09T05:43:59.12 0.1 undecidable manual Sg 194 31.4463 -0.014 96
IV.NRCA.SHZ. 2009-04-09T05:43:59.86 0.1 undecidable manual Pg 333 67.0773 -0.067 89
IV.FIAM.HHZ. 2009-04-09T05:43:58.53 0.1 undecidable manual Sg 264 31.0467 -0.485 87
IV.LNSS.HHN. 2009-04-09T05:43:57.29 0.1 undecidable manual Pg 313 50.2164 -0.041 92
IV.CAMP.HHZ. 2009-04-09T05:43:57.65 0.1 undecidable manual Sg 345 27.3504 -0.39 90
IV.INTR.HHZ. 2009-04-09T05:43:56.82 0.1 undecidable manual Pg 133 46.3203 0.086 92
IV.VVLD.HHZ. 2009-04-09T05:43:56.93 0.1 undecidable manual Pg 167 48.618 -0.151 91
IV.FIAM.HHZ. 2009-04-09T05:43:54.31 0.1 positive manual Pg 264 31.0467 -0.057 95
IV.TERO.HHZ. 2009-04-09T05:43:54.98 0.1 undecidable manual Pg 14 37.2294 -0.35 89
IV.PTQR.SHZ. 2009-04-09T05:43:54.38 0.1 undecidable manual Pg 194 31.4463 -0.055 95
IV.T0104.EHZ. 2009-04-09T05:43:54.27 0.1 undecidable manual Sg 299 14.4744 0.163 96
IV.VCEL.EHZ. 2009-04-09T05:43:54.70 0.1 undecidable manual Pg 69 30.4473 0.412 89
IV.CAMP.HHZ. 2009-04-09T05:43:53.57 0.1 undecidable manual Pg 345 27.3504 -0.235 93
IV.CSNT.HHE. 2009-04-09T05:43:53.36 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHZ. 2009-04-09T05:43:52.22 0.1 undecidable manual Sg 115 8.1807 -0.266 95
MN.AQU.HHZ. 2009-04-09T05:43:52.85 0.1 undecidable manual Sg 310 9.7791 0.003 100
IV.T0104.EHZ. 2009-04-09T05:43:51.76 0.1 undecidable manual Pg 299 14.4744 0.226 95
IV.FAGN.HHZ. 2009-04-09T05:43:50.58 0.1 undecidable manual Pg 115 8.1807 -0.019 100
MN.AQU.HHZ. 2009-04-09T05:43:50.86 0.1 undecidable manual Pg 310 9.7791 0.053 99
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