Earthquake with magnitude of ML 2.0 on date 11-04-2009 and time 04:37:18 (UTC) in region 5 km NW L'Aquila (AQ)

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

  • 11-04-2009 04:37:18 (UTC)
  • 11-04-2009 06:37:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3900, 13.3630 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 5 69753 69753
Pizzoli AQ 8 4326 74079
Scoppito AQ 9 3727 77806
Barete AQ 10 737 78543
Lucoli AQ 11 1011 79554
Tornimparte AQ 12 3187 82741
Cagnano Amiterno AQ 14 1369 84110
Ocre AQ 15 1167 85277
Fossa AQ 15 721 85998
Capitignano AQ 15 665 86663
Poggio Picenze AQ 17 1136 87799
Sant'Eusanio Forconese AQ 17 394 88193
Montereale AQ 18 2581 90774
Campotosto AQ 19 542 91316
Villa Sant'Angelo AQ 20 424 91740
San Demetrio ne' Vestini AQ 20 1854 93594
Rocca di Cambio AQ 20 533 94127

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
66 Km W of Chieti (51815 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
92 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 2009-04-11
04:37:18
42.39 13.363 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 788909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-11 04:37:18 ± 0.09
Latitude 42.3900 ± 0.0045
Longitude 13.3630 ± 0.0085
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 788909

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 687
Semi-minor axis of confidence ellipse (meter) 485
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99195
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 788909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:56:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHE. 2009-04-11T04:38:29.62 10.0 undecidable manual Sg 0 0 0
IV.GRI.EHZ. 2009-04-11T04:38:04.30 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-04-11T04:37:55.25 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-11T04:37:50.25 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-04-11T04:37:43.31 0.3 undecidable manual Sg 331 77.7666 1.04 48
IV.CESX.HHN. 2009-04-11T04:37:41.45 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2009-04-11T04:37:37.33 0.1 undecidable manual Sg 213 58.0974 0.296 87
IV.CING.HHZ. 2009-04-11T04:37:37.51 0.6 undecidable manual Pg 353 110.112 0.216 40
IV.ARVD.HHZ. 2009-04-11T04:37:35.91 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-11T04:37:35.71 0.1 undecidable manual Sg 338 53.2023 -0.005 94
IV.CSNT.HHE. 2009-04-11T04:37:34.11 10.0 undecidable manual Sg 0 0 0
IV.CSNT.HHE. 2009-04-11T04:37:33.05 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-11T04:37:32.13 0.1 undecidable manual Sg 176 41.0256 -0.322 90
IV.CESI.HHZ. 2009-04-11T04:37:32.11 0.3 undecidable manual Pg 331 77.7666 -0.194 65
IV.FDMO.HHN. 2009-04-11T04:37:31.63 0.3 undecidable manual Pg 343 75.1692 -0.267 64
IV.OFFI.HHN. 2009-04-11T04:37:31.48 0.1 undecidable manual Pg 23 65.8896 1.006 67
IV.LNSS.HHN. 2009-04-11T04:37:31.21 0.1 undecidable manual Sg 312 35.4423 0.245 92
.TERO.HHN. 2009-04-11T04:37:29.30 0.3 undecidable manual Sg 37 32.4453 -0.871 57
IV.MNS.HHZ. 2009-04-11T04:37:29.49 0.6 undecidable manual Pg 270 55.8996 0.555 41
IV.NRCA.SHZ. 2009-04-11T04:37:28.13 0.1 positive manual Pg 338 53.2023 -0.389 87
IV.CERT.HHN. 2009-04-11T04:37:28.96 0.1 positive manual Pg 213 58.0974 -0.319 87
IV.FAGN.HHN. 2009-04-11T04:37:27.58 0.1 undecidable manual Sg 127 22.755 0.347 92
.FIAM.HHE. 2009-04-11T04:37:27.59 0.3 undecidable manual Sg 236 24.3534 -0.149 72
IV.VCEL.EHZ. 2009-04-11T04:37:27.04 0.3 undecidable manual Pg 89 39.1275 0.694 60
IV.PTQR.SHZ. 2009-04-11T04:37:26.45 0.1 positive manual Pg 176 41.0256 -0.186 92
IV.LNSS.HHN. 2009-04-11T04:37:25.46 0.1 negative manual Pg 312 35.4423 -0.316 91
IV.CAMP.HHZ. 2009-04-11T04:37:25.14 0.3 undecidable manual Sg 13 16.5723 -0.157 73
.TERO.HHN. 2009-04-11T04:37:24.84 0.1 undecidable manual Pg 37 32.4453 -0.478 88
IV.FAGN.HHN. 2009-04-11T04:37:23.73 0.1 positive manual Pg 127 22.755 0.109 97
.FIAM.HHE. 2009-04-11T04:37:23.91 0.1 undecidable manual Pg 236 24.3534 -0.003 99
IV.CAMP.HHZ. 2009-04-11T04:37:22.54 0.1 undecidable manual Pg 13 16.5723 0.035 99
MN.AQU.HHZ. 2009-04-11T04:37:22.26 0.1 undecidable manual Sg 142 5.0949 -0.148 99
MN.AQU.HHZ. 2009-04-11T04:37:20.94 0.1 positive manual Pg 142 5.0949 0.104 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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