Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 17:21:52 (Italy) in region 6 km N Fossa (AQ)

A magnitude ML 2.2 earthquake occured in region: 6 km N Fossa (AQ), on

  • 06-04-2009 15:21:52 (UTC)
  • 06-04-2009 17:21:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3430, 13.4700 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 6 721 721
L'Aquila AQ 6 69753 70474
Ocre AQ 7 1167 71641
Poggio Picenze AQ 7 1136 72777
Sant'Eusanio Forconese AQ 8 394 73171
San Demetrio ne' Vestini AQ 10 1854 75025
Villa Sant'Angelo AQ 10 424 75449
Barisciano AQ 10 1828 77277
Rocca di Cambio AQ 12 533 77810
Lucoli AQ 12 1011 78821
Fagnano Alto AQ 13 418 79239
Prata d'Ansidonia AQ 13 496 79735
Santo Stefano di Sessanio AQ 15 111 79846
Tornimparte AQ 15 3187 83033
Rocca di Mezzo AQ 16 1526 84559
San Pio delle Camere AQ 17 661 85220
Fontecchio AQ 17 369 85589
Pizzoli AQ 18 4326 89915
Scoppito AQ 18 3727 93642
Carapelle Calvisio AQ 18 87 93729
Castelvecchio Calvisio AQ 18 153 93882
Calascio AQ 19 137 94019
Caporciano AQ 19 230 94249
Barete AQ 20 737 94986

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
72 Km E of Terni (111501 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 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 2.2 2009-04-06
15:21:52		 42.343 13.47 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 760849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 15:21:52 ± 0.08
Latitude 42.3430 ± 0.0045
Longitude 13.4700 ± 0.0073
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 760849

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91911
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 760849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2009-04-06T15:22:29.67 10.0 undecidable manual Sg 0 0 0
IV.PIEI.HHE. 2009-04-06T15:22:23.26 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHE. 2009-04-06T15:22:22.61 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-06T15:22:22.12 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-06T15:22:17.35 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-06T15:22:16.77 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T15:22:15.92 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-06T15:22:14.30 0.6 undecidable manual Sg 119 67.1772 0.785 37
IV.NRCA.SHZ. 2009-04-06T15:22:12.47 0.3 undecidable manual Sg 332 61.6938 0.413 64
IV.ASSB.HHN. 2009-04-06T15:22:10.31 0.6 undecidable manual Pg 320 102.0201 0.174 41
IV.INTR.HHN. 2009-04-06T15:22:10.41 0.6 undecidable manual Sg 136 51.2154 1.143 32
IV.GIUL.HHZ. 2009-04-06T15:22:09.01 0.6 undecidable manual Pg 192 88.8444 0.9 34
IV.FDMO.HHZ. 2009-04-06T15:22:07.24 0.6 undecidable manual Pg 338 83.0502 0.027 44
IV.SDI.SHZ. 2009-04-06T15:22:06.42 0.3 undecidable manual Pg 158 75.6687 0.351 63
IV.MNS.HHE. 2009-04-06T15:22:05.29 0.3 undecidable manual Pg 274 64.8906 0.875 53
IV.GUAR.HHE. 2009-04-06T15:22:04.05 0.6 undecidable manual Pg 192 62.1933 0.043 46
IV.PTQR.SHZ. 2009-04-06T15:22:04.78 0.3 undecidable manual Sg 189 36.0417 -0.438 66
IV.LPEL.HHZ. 2009-04-06T15:22:04.46 0.3 undecidable manual Pg 119 67.1772 -0.307 65
IV.FIAM.HHE. 2009-04-06T15:22:03.45 0.3 undecidable manual Sg 254 30.1476 -0.188 71
IV.CERT.HHE. 2009-04-06T15:22:03.08 0.3 undecidable manual Pg 223 59.3961 -0.49 63
IV.TERO.HHE. 2009-04-06T15:22:03.87 0.1 undecidable manual Sg 19 32.9448 -0.496 88
IV.NRCA.SHZ. 2009-04-06T15:22:03.90 0.1 undecidable manual Pg 332 61.6938 -0.026 92
IV.INTR.HHN. 2009-04-06T15:22:02.16 0.3 undecidable manual Pg 136 51.2154 -0.154 69
IV.VVLD.HHZ. 2009-04-06T15:22:02.39 0.3 undecidable manual Pg 166 54.0015 -0.348 66
.CAMP.---. 2009-04-06T15:22:01.26 0.6 undecidable manual Sg 347 21.9669 0.12 49
IV.PTQR.SHZ. 2009-04-06T15:21:59.74 0.1 undecidable manual Pg 189 36.0417 -0.239 92
IV.FIAM.HHE. 2009-04-06T15:21:59.13 0.3 undecidable manual Pg 254 30.1476 0.065 73
IV.TERO.HHE. 2009-04-06T15:21:59.18 0.1 undecidable manual Pg 19 32.9448 -0.306 92
IV.VCEL.EHZ. 2009-04-06T15:21:59.11 0.1 undecidable manual Pg 79 30.8469 -0.064 97
.FAGN.HHE. 2009-04-06T15:21:58.15 0.3 undecidable manual Sg 133 12.6762 -0.193 73
.CAMP.---. 2009-04-06T15:21:57.82 0.1 undecidable manual Pg 347 21.9669 0.197 96
.FAGN.HHE. 2009-04-06T15:21:56.20 0.1 undecidable manual Pg 133 12.6762 0.193 97
MN.AQU.HHN. 2009-04-06T15:21:56.52 0.1 undecidable manual Sg 282 5.7942 -0.198 98
MN.AQU.HHN. 2009-04-06T15:21:55.18 0.1 negative manual Pg 282 5.7942 0.111 100
IV.SOI.EHN. 2009-04-06T15:21:41.58 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