Earthquake with magnitude of Md 2.0 on date 06-04-2009 and time 13:16:49 (Italy) in region 4 km NW Fossa (AQ)

A magnitude Md 2.0 earthquake occured in region: 4 km NW Fossa (AQ), on

  • 06-04-2009 11:16:49 (UTC)
  • 06-04-2009 13:16:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3210, 13.4590 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.

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
Ocre AQ 4 1167 1888
L'Aquila AQ 6 69753 71641
Sant'Eusanio Forconese AQ 7 394 72035
Poggio Picenze AQ 7 1136 73171
Villa Sant'Angelo AQ 9 424 73595
San Demetrio ne' Vestini AQ 9 1854 75449
Rocca di Cambio AQ 10 533 75982
Lucoli AQ 10 1011 76993
Barisciano AQ 11 1828 78821
Fagnano Alto AQ 12 418 79239
Prata d'Ansidonia AQ 13 496 79735
Tornimparte AQ 13 3187 82922
Rocca di Mezzo AQ 13 1526 84448
Santo Stefano di Sessanio AQ 16 111 84559
Fontecchio AQ 16 369 84928
San Pio delle Camere AQ 17 661 85589
Scoppito AQ 18 3727 89316
Pizzoli AQ 19 4326 93642
Carapelle Calvisio AQ 19 87 93729
Castelvecchio Calvisio AQ 19 153 93882
Caporciano AQ 19 230 94112
Calascio AQ 20 137 94249
Tione degli Abruzzi AQ 20 310 94559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km E of Terni (111501 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
94 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 2.0 2009-04-06
11:16:49
42.321 13.459 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 759409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 11:16:49 ± 0.11
Latitude 42.3210 ± 0.0072
Longitude 13.4590 ± 0.0097
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 759409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 927
Semi-minor axis of confidence ellipse (meter) 671
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 1131.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
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) 0.60255
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 759409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:21:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHE. 2009-04-06T11:17:10.87 0.1 undecidable manual Sg 117 66.8775 0.374 86
IV.PTQR.SHZ. 2009-04-06T11:17:01.43 0.1 undecidable manual Sg 188 33.5442 -0.158 96
IV.LPEL.HHE. 2009-04-06T11:17:01.55 1.0 undecidable manual Pg 117 66.8775 -0.277 22
.CAMP.---. 2009-04-06T11:16:58.68 0.6 undecidable manual Sg 350 24.1536 -0.409 46
IV.BSSO.HHE. 2009-04-06T11:16:57.33 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-06T11:16:56.55 0.6 undecidable manual Pg 188 33.5442 -0.133 48
.CAMP.---. 2009-04-06T11:16:55.11 0.3 undecidable manual Pg 350 24.1536 -0.131 73
IV.FAGN.HHZ. 2009-04-06T11:16:55.17 0.3 undecidable manual Sg 121 11.9769 -0.254 73
MN.AQU.HHE. 2009-04-06T11:16:54.23 0.1 undecidable manual Sg 308 5.8941 0.168 100
IV.FAGN.HHZ. 2009-04-06T11:16:53.10 0.6 undecidable manual Pg 121 11.9769 -0.024 51
MN.AQU.HHE. 2009-04-06T11:16:52.62 0.1 undecidable manual Pg 308 5.8941 0.282 98
IV.SFI.EHE. 2009-04-06T11:16:23.70 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