Earthquake with magnitude of ML 2.0 on date 07-04-2009 and time 23:42:13 (UTC) in region 5 km W L'Aquila (AQ)

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

  • 07-04-2009 23:42:13 (UTC)
  • 08-04-2009 01:42:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3730, 13.3450 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
Scoppito AQ 7 3727 73480
Pizzoli AQ 8 4326 77806
Lucoli AQ 9 1011 78817
Tornimparte AQ 10 3187 82004
Barete AQ 10 737 82741
Cagnano Amiterno AQ 14 1369 84110
Ocre AQ 14 1167 85277
Fossa AQ 15 721 85998
Capitignano AQ 17 665 86663
Poggio Picenze AQ 17 1136 87799
Sant'Eusanio Forconese AQ 18 394 88193
Montereale AQ 19 2581 90774
Rocca di Cambio AQ 19 533 91307
Villa Sant'Angelo AQ 20 424 91731
San Demetrio ne' Vestini AQ 20 1854 93585

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km W of Chieti (51815 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
89 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 2.0 2009-04-07
23:42:13
42.373 13.345 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 770669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 23:42:13 ± 0.07
Latitude 42.3730 ± 0.0045
Longitude 13.3450 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 770669

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 543
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 21
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) 0.50182
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 770669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:34:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFR.HHE. 2009-04-07T23:44:53.72 10.0 undecidable manual Sg 0 0 0
IV.OFFI.HHZ. 2009-04-07T23:44:50.22 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHZ. 2009-04-07T23:44:49.93 10.0 undecidable manual Sg 0 0 0
IV.CAFR.HHE. 2009-04-07T23:44:48.74 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-07T23:44:48.56 10.0 undecidable manual Sg 0 0 0
IV.SDI.SHZ. 2009-04-07T23:44:47.25 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHZ. 2009-04-07T23:44:47.22 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-07T23:44:47.34 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-07T23:44:47.90 0.1 undecidable manual Pg 340 54.4011 0.039 71
IV.POFI.HHZ. 2009-04-07T23:44:47.86 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHZ. 2009-04-07T23:44:45.02 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-04-07T23:44:45.86 10.0 undecidable manual Pg 316 35.6421 0.162 96
IV.CERT.HHZ. 2009-04-07T23:44:45.13 10.0 undecidable manual Pg 213 55.6998 -0.165 92
IV.MSC.EHZ. 2009-04-07T23:44:45.90 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-07T23:44:43.79 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-07T23:44:43.61 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-07T23:44:43.58 10.0 undecidable manual Pg 37 34.8429 -0.307 92
IV.FIAM.HHZ. 2009-04-07T23:44:41.63 0.1 undecidable manual Pg 238 22.0668 0.101 98
IV.PTQR.SHZ. 2009-04-07T23:44:41.08 0.1 undecidable manual Pg 173 39.2274 0.126 96
IV.VCEL.EHZ. 2009-04-07T23:42:27.50 0.6 undecidable manual Sg 87 40.7259 0.231 47
.LNSS.---. 2009-04-07T23:42:26.46 0.6 undecidable manual Sg 316 35.6421 0.545 44
.PTQR.---. 2009-04-07T23:42:26.48 0.3 undecidable manual Sg 173 39.2274 -0.407 67
.TERO.---. 2009-04-07T23:42:25.19 0.3 undecidable manual Sg 37 34.8429 -0.525 65
.NRCA.---. 2009-04-07T23:42:23.74 0.3 undecidable manual Pg 340 54.4011 0.039 71
.CERT.---. 2009-04-07T23:42:23.74 0.1 undecidable manual Pg 213 55.6998 -0.165 92
IV.FAGN.HHZ. 2009-04-07T23:42:22.91 0.3 undecidable manual Sg 121 22.9548 0.373 70
.PTQR.---. 2009-04-07T23:42:21.49 0.1 undecidable manual Pg 173 39.2274 0.126 96
IV.VCEL.EHZ. 2009-04-07T23:42:21.94 0.3 undecidable manual Pg 87 40.7259 0.349 69
IV.CAMP.HHZ. 2009-04-07T23:42:21.19 0.1 undecidable manual Sg 16 18.7701 -0.11 100
.FIAM.---. 2009-04-07T23:42:21.99 0.6 undecidable manual Sg 238 22.0668 -0.294 48
.TERO.---. 2009-04-07T23:42:20.38 0.1 undecidable manual Pg 37 34.8429 -0.307 92
.LNSS.---. 2009-04-07T23:42:20.97 0.1 undecidable manual Pg 316 35.6421 0.162 96
IV.FAGN.HHZ. 2009-04-07T23:42:19.07 0.3 undecidable manual Pg 121 22.9548 0.216 72
.FIAM.---. 2009-04-07T23:42:18.81 0.1 undecidable manual Pg 238 22.0668 0.101 98
IV.CAMP.HHZ. 2009-04-07T23:42:18.23 0.1 undecidable manual Pg 16 18.7701 0.086 99
MN.AQU.HHZ. 2009-04-07T23:42:17.59 0.1 undecidable manual Sg 115 5.1948 -0.302 99
MN.AQU.HHZ. 2009-04-07T23:42:16.34 0.1 undecidable manual Pg 115 5.1948 0.167 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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