Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 17:27:29 (Italy) in region 3 km NW L'Aquila (AQ)

A magnitude ML 2.2 earthquake occured in region: 3 km NW L'Aquila (AQ), on

  • 06-04-2009 15:27:29 (UTC)
  • 06-04-2009 17:27:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3690, 13.3730 at 9 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 3 69753 69753
Lucoli AQ 9 1011 70764
Scoppito AQ 10 3727 74491
Pizzoli AQ 10 4326 78817
Tornimparte AQ 10 3187 82004
Barete AQ 12 737 82741
Ocre AQ 13 1167 83908
Fossa AQ 13 721 84629
Poggio Picenze AQ 15 1136 85765
Sant'Eusanio Forconese AQ 15 394 86159
Cagnano Amiterno AQ 16 1369 87528
Villa Sant'Angelo AQ 17 424 87952
Rocca di Cambio AQ 18 533 88485
San Demetrio ne' Vestini AQ 18 1854 90339
Capitignano AQ 18 665 91004
Barisciano AQ 19 1828 92832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
63 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
65 Km W of Chieti (51815 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
85 Km SE of Foligno (57155 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
90 Km NE of Velletri (53303 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
15:27:29
42.369 13.373 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 760869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 15:27:29 ± 0.09
Latitude 42.3690 ± 0.0054
Longitude 13.3730 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 760869

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 848.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68079
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 760869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHN. 2009-04-06T15:27:53.06 0.3 undecidable manual Sg 118 75.5688 0.687 56
IV.NRCA.SHZ. 2009-04-06T15:27:47.51 0.6 undecidable manual Sg 338 55.6998 0.442 43
IV.INTR.HHE. 2009-04-06T15:27:47.72 0.3 undecidable manual Sg 132 58.9965 -0.235 66
IV.VCEL.EHZ. 2009-04-06T15:27:42.82 0.6 undecidable manual Sg 86 38.4282 0.366 45
IV.LPEL.HHN. 2009-04-06T15:27:42.44 0.1 undecidable manual Pg 118 75.5688 -0.203 86
.TERO.---. 2009-04-06T15:27:40.54 0.6 undecidable manual Sg 34 33.8439 -0.709 40
IV.INTR.HHE. 2009-04-06T15:27:39.73 0.6 undecidable manual Pg 132 58.9965 -0.363 43
IV.NRCA.SHZ. 2009-04-06T15:27:39.64 0.1 undecidable manual Pg 338 55.6998 0.058 92
IV.FIAM.HHZ. 2009-04-06T15:27:38.11 0.1 undecidable manual Sg 242 23.8539 -0.118 97
IV.FAGN.HHE. 2009-04-06T15:27:37.23 0.1 undecidable manual Sg 124 20.7681 -0.012 99
.CAMP.---. 2009-04-06T15:27:36.72 0.3 undecidable manual Sg 9 18.6702 0.109 73
IV.VCEL.EHZ. 2009-04-06T15:27:36.87 0.1 undecidable manual Pg 86 38.4282 -0.047 95
.TERO.---. 2009-04-06T15:27:35.74 0.1 undecidable manual Pg 34 33.8439 -0.484 88
IV.FIAM.HHZ. 2009-04-06T15:27:34.62 0.1 undecidable manual Pg 242 23.8539 0.143 96
IV.FAGN.HHE. 2009-04-06T15:27:34.25 0.1 undecidable manual Pg 124 20.7681 0.341 93
.CAMP.---. 2009-04-06T15:27:33.77 0.1 positive manual Pg 9 18.6702 0.226 95
MN.AQU.HHN. 2009-04-06T15:27:32.41 0.1 undecidable manual Sg 126 2.8971 -0.329 96
MN.AQU.HHN. 2009-04-06T15:27:31.43 0.1 negative manual Pg 126 2.8971 0.121 100
GU.SC2M.HHE. 2009-04-06T15:27:06.23 10.0 undecidable manual Sg 0 0 0
NI.CGRP.HHZ. 2009-04-06T15:26:59.08 10.0 undecidable manual Pg 0 0 0
GU.SC2M.HHE. 2009-04-06T15:26:46.65 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download