Earthquake with magnitude of ML 2.0 on date 06-04-2009 and time 22:56:55 (Italy) in region 5 km E L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 5 km E L'Aquila (AQ), on

  • 06-04-2009 20:56:55 (UTC)
  • 06-04-2009 22:56:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3510, 13.4580 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
L'Aquila AQ 5 69753 69753
Fossa AQ 7 721 70474
Ocre AQ 8 1167 71641
Poggio Picenze AQ 8 1136 72777
Sant'Eusanio Forconese AQ 9 394 73171
San Demetrio ne' Vestini AQ 11 1854 75025
Villa Sant'Angelo AQ 11 424 75449
Barisciano AQ 11 1828 77277
Lucoli AQ 12 1011 78288
Rocca di Cambio AQ 13 533 78821
Fagnano Alto AQ 14 418 79239
Tornimparte AQ 15 3187 82426
Prata d'Ansidonia AQ 15 496 82922
Santo Stefano di Sessanio AQ 16 111 83033
Pizzoli AQ 16 4326 87359
Rocca di Mezzo AQ 17 1526 88885
Scoppito AQ 17 3727 92612
San Pio delle Camere AQ 18 661 93273
Fontecchio AQ 18 369 93642
Barete AQ 18 737 94379
Carapelle Calvisio AQ 19 87 94466
Castelvecchio Calvisio AQ 20 153 94619
Calascio AQ 20 137 94756

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
71 Km E of Terni (111501 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km SE of Foligno (57155 inhabitants)
93 Km NE of Velletri (53303 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 2.0 2009-04-06
20:56:55
42.351 13.458 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 762939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 20:56:55 ± 0.09
Latitude 42.3510 ± 0.0063
Longitude 13.4580 ± 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 762939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 589
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54409
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 762939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:25:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHE. 2009-04-06T20:58:40.11 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-06T20:58:28.48 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHE. 2009-04-06T20:58:23.13 10.0 undecidable manual Pg 0 0 0
.NRCA.SHZ. 2009-04-06T20:57:15.35 0.6 undecidable manual Sg 332 60.3951 0.674 39
.TERO.HHZ. 2009-04-06T20:57:07.28 0.6 undecidable manual Sg 22 32.4453 0.078 48
.NRCA.SHZ. 2009-04-06T20:57:07.00 0.3 undecidable manual Pg 332 60.3951 0.249 66
.VVLD.HHZ. 2009-04-06T20:57:06.21 0.3 undecidable manual Pg 166 55.1004 0.279 67
.CERT.HHZ. 2009-04-06T20:57:06.89 0.3 undecidable manual Pg 221 59.2962 0.307 66
.INTR.HHZ. 2009-04-06T20:57:05.41 0.3 undecidable manual Pg 136 52.6029 -0.14 69
.FIAM.HHE. 2009-04-06T20:57:05.79 0.3 undecidable manual Sg 252 29.4483 -0.612 64
.CAMP.---. 2009-04-06T20:57:03.58 0.6 undecidable manual Sg 349 20.868 -0.423 46
.FIAM.HHE. 2009-04-06T20:57:02.08 0.3 undecidable manual Pg 252 29.4483 0.106 72
.VCEL.EHE. 2009-04-06T20:57:02.74 0.3 undecidable manual Pg 81 31.746 0.412 67
.PTQR.SHZ. 2009-04-06T20:57:02.89 0.6 undecidable manual Pg 187 36.8298 -0.221 46
.TERO.HHZ. 2009-04-06T20:57:01.73 0.1 undecidable manual Pg 22 32.4453 -0.709 81
IV.FAGN.HHN. 2009-04-06T20:57:01.85 0.3 undecidable manual Sg 132 13.9749 -0.111 74
.CAMP.---. 2009-04-06T20:57:00.69 0.3 undecidable manual Pg 349 20.868 0.101 73
IV.FAGN.HHN. 2009-04-06T20:56:59.35 0.1 undecidable manual Pg 132 13.9749 -0.058 100
.AQU.HHZ. 2009-04-06T20:56:59.92 0.3 undecidable manual Sg 274 4.5954 0.082 76
.AQU.HHZ. 2009-04-06T20:56:58.32 0.1 negative manual Pg 274 4.5954 0.136 100
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