Earthquake with magnitude of ML 2.0 on date 08-04-2009 and time 00:46:25 (Italy) 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 22:46:25 (UTC)
  • 08-04-2009 00:46:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3610, 13.3370 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
Lucoli AQ 8 1011 74491
Tornimparte AQ 8 3187 77678
Pizzoli AQ 9 4326 82004
Barete AQ 11 737 82741
Ocre AQ 14 1167 83908
Cagnano Amiterno AQ 14 1369 85277
Fossa AQ 15 721 85998
Sant'Eusanio Forconese AQ 17 394 86392
Poggio Picenze AQ 18 1136 87528
Capitignano AQ 18 665 88193
Rocca di Cambio AQ 19 533 88726
Villa Sant'Angelo AQ 19 424 89150
Montereale AQ 20 2581 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)
45 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km W of Chieti (51815 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
84 Km SE of Foligno (57155 inhabitants)
87 Km NE of Roma (2864731 inhabitants)
88 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
22:46:25
42.361 13.337 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 770309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 22:46:25 ± 0.07
Latitude 42.3610 ± 0.0036
Longitude 13.3370 ± 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 770309

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 525
Semi-minor axis of confidence ellipse (meter) 426
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01893
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 770309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:34:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2009-04-07T22:47:37.84 10.0 undecidable manual Sg 0 0 0
IV.STR3.BHE. 2009-04-07T22:46:48.72 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-07T22:46:44.65 0.6 undecidable manual Sg 130 60.6948 0.178 44
IV.CING.HHN. 2009-04-07T22:46:44.92 0.3 undecidable manual Pg 354 113.0979 0.388 57
IV.CERT.HHN. 2009-04-07T22:46:42.78 0.1 undecidable manual Sg 213 54.2013 0.035 91
IV.NRCA.SHZ. 2009-04-07T22:46:42.98 0.6 undecidable manual Sg 341 55.4001 -0.089 45
IV.CESI.HHE. 2009-04-07T22:46:39.50 0.1 undecidable manual Pg 334 79.6647 0.127 85
IV.FDMO.HHN. 2009-04-07T22:46:39.17 0.3 undecidable manual Pg 345 77.5668 0.108 65
IV.VVLD.HHN. 2009-04-07T22:46:38.54 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-04-07T22:46:38.61 0.6 undecidable manual Sg 318 36.1416 0.699 40
.PTQR.SHZ. 2009-04-07T22:46:38.05 0.3 undecidable manual Sg 172 38.0286 -0.366 66
IV.OFFI.HHE. 2009-04-07T22:46:38.34 0.3 undecidable manual Pg 24 69.6747 0.494 60
IV.TERO.HHZ. 2009-04-07T22:46:38.57 0.6 undecidable manual Sg 37 36.3414 0.607 41
IV.INTR.HHZ. 2009-04-07T22:46:36.81 0.3 undecidable manual Pg 130 60.6948 0.353 63
IV.CERT.HHN. 2009-04-07T22:46:35.17 0.1 undecidable manual Pg 213 54.2013 -0.292 87
IV.NRCA.SHZ. 2009-04-07T22:46:35.30 0.3 undecidable manual Pg 341 55.4001 -0.351 64
IV.MNS.HHZ. 2009-04-07T22:46:35.34 0.3 undecidable manual Pg 273 53.8017 -0.049 68
IV.FAGN.HHE. 2009-04-07T22:46:34.20 0.3 undecidable manual Sg 118 22.8549 0.055 72
IV.FIAM.HHZ. 2009-04-07T22:46:33.60 0.6 undecidable manual Sg 240 20.7681 0.126 48
.CAMP.HHE. 2009-04-07T22:46:32.91 0.3 undecidable manual Sg 17 20.2686 -0.407 67
IV.LNSS.HHN. 2009-04-07T22:46:32.49 0.1 undecidable manual Pg 318 36.1416 -0.18 92
.PTQR.SHZ. 2009-04-07T22:46:32.76 0.1 undecidable manual Pg 172 38.0286 -0.204 91
IV.TERO.HHZ. 2009-04-07T22:46:31.95 0.1 undecidable manual Pg 37 36.3414 -0.749 77
IV.FAGN.HHE. 2009-04-07T22:46:30.66 0.1 undecidable manual Pg 118 22.8549 0.157 94
IV.FIAM.HHZ. 2009-04-07T22:46:30.29 0.1 undecidable manual Pg 240 20.7681 0.178 94
.CAMP.HHE. 2009-04-07T22:46:29.83 0.1 undecidable manual Pg 17 20.2686 -0.19 94
MN.AQU.HHE. 2009-04-07T22:46:29.38 0.1 undecidable manual Sg 99 5.3946 -0.006 100
MN.AQU.HHE. 2009-04-07T22:46:27.94 0.1 undecidable manual Pg 99 5.3946 0.186 96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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