Earthquake with magnitude of ML 2.1 on date 06-04-2009 and time 17:41:22 (Italy) in region 1 km N Fossa (AQ)

A magnitude ML 2.1 earthquake occured in region: 1 km N Fossa (AQ), on

  • 06-04-2009 15:41:22 (UTC)
  • 06-04-2009 17:41:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3020, 13.4900 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 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 9 69753 78228
Prata d'Ansidonia AQ 10 496 78724
Rocca di Mezzo AQ 11 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
Carapelle Calvisio AQ 16 87 85676
Caporciano AQ 16 230 85906
Tione degli Abruzzi AQ 16 310 86216
Castelvecchio Calvisio AQ 16 153 86369
Calascio AQ 17 137 86506
Ovindoli AQ 19 1227 87733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 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)
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
Md 2.3
ML 2.1
2009-04-06
15:41:22
42.302 13.49 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 760929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 15:41:22 ± 0.08
Latitude 42.3020 ± 0.0036
Longitude 13.4900 ± 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 760929

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 524
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63762
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 760929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:27

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 760929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SDI.SHZ. 2009-04-06T15:41:44.05 0.1 undecidable manual Sg 158 70.7736 0.231 86
IV.NRCA.SHZ. 2009-04-06T15:41:43.23 0.1 undecidable manual Sg 333 66.4779 0.567 80
IV.LPEL.HHZ. 2009-04-06T15:41:42.73 0.1 undecidable manual Sg 116 63.6918 0.821 73
IV.MNS.HHE. 2009-04-06T15:41:39.97 10.0 undecidable manual Sg 0 0 0
IV.INTR.HHE. 2009-04-06T15:41:37.56 0.1 undecidable manual Sg 133 46.9197 0.113 93
IV.MNS.HHE. 2009-04-06T15:41:36.88 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-06T15:41:34.36 0.1 undecidable manual Sg 15 36.8298 -0.382 89
IV.SDI.SHZ. 2009-04-06T15:41:34.73 0.1 undecidable manual Pg 158 70.7736 0.047 90
IV.GUAR.HHZ. 2009-04-06T15:41:34.62 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHZ. 2009-04-06T15:41:33.12 0.1 undecidable manual Sg 263 30.8469 -0.024 97
IV.LPEL.HHZ. 2009-04-06T15:41:33.83 0.1 undecidable manual Pg 116 63.6918 0.247 87
IV.VCEL.EHE. 2009-04-06T15:41:33.12 0.1 undecidable manual Sg 70 30.5472 0.049 97
IV.NRCA.SHZ. 2009-04-06T15:41:33.93 0.1 undecidable manual Pg 333 66.4779 -0.087 90
IV.PTQR.SHZ. 2009-04-06T15:41:32.97 0.1 undecidable manual Sg 193 31.9458 -0.473 88
IV.CERT.HHE. 2009-04-06T15:41:32.41 0.1 undecidable manual Pg 227 57.2982 -0.189 89
IV.VVLD.HHN. 2009-04-06T15:41:31.36 0.1 undecidable manual Pg 167 49.2174 0.004 94
.CAMP.---. 2009-04-06T15:41:31.79 0.3 undecidable manual Sg 346 26.751 -0.276 70
IV.INTR.HHE. 2009-04-06T15:41:30.92 0.1 undecidable manual Pg 133 46.9197 -0.082 93
IV.TERO.HHZ. 2009-04-06T15:41:29.01 0.1 undecidable manual Pg 15 36.8298 -0.431 88
IV.PTQR.SHZ. 2009-04-06T15:41:28.57 0.1 undecidable manual Pg 193 31.9458 -0.122 95
IV.FIAM.HHZ. 2009-04-06T15:41:28.62 0.1 undecidable manual Pg 263 30.8469 0.1 96
IV.VCEL.EHE. 2009-04-06T15:41:28.30 0.1 undecidable manual Pg 70 30.5472 -0.178 94
MN.AQU.HHE. 2009-04-06T15:41:27.26 0.1 undecidable manual Sg 309 9.1797 0.362 94
.CAMP.---. 2009-04-06T15:41:27.94 0.1 undecidable manual Pg 346 26.751 0.044 97
IV.FAGN.HHZ. 2009-04-06T15:41:26.34 0.1 undecidable manual Sg 118 8.6802 -0.438 92
MN.AQU.HHE. 2009-04-06T15:41:25.10 0.1 undecidable manual Pg 309 9.1797 0.187 97
IV.FAGN.HHZ. 2009-04-06T15:41:24.91 0.1 undecidable manual Pg 118 8.6802 0.066 100
IV.SCHR.EHZ. 2009-04-06T15:41:09.56 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