Earthquake with magnitude of ML 2.3 on date 06-04-2009 and time 20:35:52 (Italy) in region 3 km NW Fossa (AQ)

A magnitude ML 2.3 earthquake occured in region: 3 km NW Fossa (AQ), on

  • 06-04-2009 18:35:52 (UTC)
  • 06-04-2009 20:35:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3180, 13.4720 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 3 721 721
Ocre AQ 4 1167 1888
Sant'Eusanio Forconese AQ 5 394 2282
Poggio Picenze AQ 6 1136 3418
L'Aquila AQ 7 69753 73171
Villa Sant'Angelo AQ 8 424 73595
San Demetrio ne' Vestini AQ 8 1854 75449
Rocca di Cambio AQ 9 533 75982
Barisciano AQ 10 1828 77810
Fagnano Alto AQ 11 418 78228
Lucoli AQ 11 1011 79239
Prata d'Ansidonia AQ 12 496 79735
Rocca di Mezzo AQ 13 1526 81261
Tornimparte AQ 14 3187 84448
Fontecchio AQ 15 369 84817
Santo Stefano di Sessanio AQ 15 111 84928
San Pio delle Camere AQ 16 661 85589
Carapelle Calvisio AQ 18 87 85676
Castelvecchio Calvisio AQ 18 153 85829
Caporciano AQ 18 230 86059
Calascio AQ 18 137 86196
Tione degli Abruzzi AQ 19 310 86506
Scoppito AQ 19 3727 90233
Pizzoli AQ 20 4326 94559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 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
ML 2.3 2009-04-06
18:35:52
42.318 13.472 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 761989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:35:52 ± 0.1
Latitude 42.3180 ± 0.0054
Longitude 13.4720 ± 0.0085
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 761989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 703
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77611
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 761989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHZ. 2009-04-06T18:36:37.61 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHE. 2009-04-06T18:36:21.78 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T18:36:13.05 0.6 undecidable manual Sg 333 64.2912 0.564 40
IV.MNS.HHN. 2009-04-06T18:36:11.47 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-06T18:36:08.90 0.6 undecidable manual Sg 134 49.2174 0.432 43
IV.VVLD.HHZ. 2009-04-06T18:36:08.71 0.1 undecidable manual Sg 166 51.2154 -0.307 87
IV.GIUL.HHE. 2009-04-06T18:36:07.67 0.1 undecidable manual Pg 192 86.1471 0.187 84
IV.OFFI.HHE. 2009-04-06T18:36:06.12 0.3 undecidable manual Pg 14 70.6737 1.023 49
IV.SDI.SHZ. 2009-04-06T18:36:05.17 0.1 undecidable manual Pg 157 72.9714 -0.283 84
IV.PTQR.SHZ. 2009-04-06T18:36:05.17 0.1 undecidable manual Sg 190 33.3444 0.933 72
IV.VCEL.EHZ. 2009-04-06T18:36:04.00 0.3 undecidable manual Sg 74 31.3464 0.287 68
IV.MTCE.HHE. 2009-04-06T18:36:04.82 0.3 undecidable manual Pg 242 68.376 0.079 67
IV.TERO.HHN. 2009-04-06T18:36:04.25 0.1 undecidable manual Sg 18 35.5422 -0.563 84
IV.FIAM.HHZ. 2009-04-06T18:36:03.62 0.1 undecidable manual Sg 259 29.6481 0.369 90
IV.NRCA.SHZ. 2009-04-06T18:36:03.89 0.3 undecidable manual Pg 333 64.2912 -0.216 65
IV.GUAR.HHE. 2009-04-06T18:36:02.44 1.0 undecidable manual Pg 193 59.496 -0.944 17
IV.CERT.HHZ. 2009-04-06T18:36:02.72 0.1 undecidable manual Pg 225 57.498 -0.343 86
IV.VVLD.HHZ. 2009-04-06T18:36:01.53 0.1 undecidable manual Pg 166 51.2154 -0.575 81
.CAMP.---. 2009-04-06T18:36:01.64 0.6 undecidable manual Sg 348 24.753 -0.29 46
IV.INTR.HHZ. 2009-04-06T18:36:01.51 0.1 undecidable manual Pg 134 49.2174 -0.28 88
IV.TERO.HHN. 2009-04-06T18:35:59.43 0.1 undecidable manual Pg 18 35.5422 -0.249 91
IV.VCEL.EHZ. 2009-04-06T18:35:59.65 0.1 undecidable manual Pg 74 31.3464 0.605 83
IV.PTQR.SHZ. 2009-04-06T18:35:58.91 0.1 undecidable manual Pg 190 33.3444 -0.441 88
IV.FIAM.HHZ. 2009-04-06T18:35:58.45 0.6 undecidable manual Pg 259 29.6481 -0.322 45
.CAMP.---. 2009-04-06T18:35:57.99 0.3 undecidable manual Pg 348 24.753 -0.022 73
MN.AQU.HHZ. 2009-04-06T18:35:57.02 0.1 undecidable manual Sg 305 6.993 0.092 99
IV.FAGN.HHZ. 2009-04-06T18:35:57.98 0.1 undecidable manual Sg 122 10.878 0.169 97
MN.AQU.HHZ. 2009-04-06T18:35:55.21 0.3 undecidable manual Pg 305 6.993 0.083 74
IV.FAGN.HHZ. 2009-04-06T18:35:55.63 0.1 undecidable manual Pg 122 10.878 -0.001 100
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