Earthquake with magnitude of ML 2.0 on date 08-04-2009 and time 05:09:56 (UTC) in region 6 km W L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 6 km W L'Aquila (AQ), on

  • 08-04-2009 05:09:56 (UTC)
  • 08-04-2009 07:09:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3660, 13.3330 at 11 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 6 69753 69753
Scoppito AQ 6 3727 73480
Lucoli AQ 8 1011 74491
Pizzoli AQ 9 4326 78817
Tornimparte AQ 9 3187 82004
Barete AQ 10 737 82741
Cagnano Amiterno AQ 14 1369 84110
Ocre AQ 15 1167 85277
Fossa AQ 15 721 85998
Capitignano AQ 17 665 86663
Sant'Eusanio Forconese AQ 18 394 87057
Poggio Picenze AQ 18 1136 88193
Montereale AQ 19 2581 90774
Rocca di Cambio AQ 19 533 91307
Villa Sant'Angelo AQ 20 424 91731

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Chieti (51815 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
88 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
Md 1.8
ML 2.0
2009-04-08
05:09:56
42.366 13.333 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 772339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 05:09:56 ± 0.16
Latitude 42.3660 ± 0.0108
Longitude 13.3330 ± 0.0134
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 772339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1380
Semi-minor axis of confidence ellipse (meter) 855
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 1627.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 772339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:36:50

Md:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 772339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:36:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.INTR.HHE. 2009-04-08T05:10:16.43 0.6 undecidable manual Sg 130 61.2942 0.624 40
IV.VCEL.EHN. 2009-04-08T05:10:11.50 0.6 undecidable manual Sg 85 41.7249 0.907 37
IV.PTQR.SHZ. 2009-04-08T05:10:09.20 0.1 undecidable manual Sg 172 38.5281 -0.545 85
.TERO.HHZ. 2009-04-08T05:10:08.43 0.3 undecidable manual Sg 38 36.1416 -0.667 60
.INTR.HHE. 2009-04-08T05:10:08.28 0.3 undecidable manual Pg 130 61.2942 0.449 63
IV.FIAM.HHE. 2009-04-08T05:10:05.09 0.1 undecidable manual Sg 239 20.7681 0.094 99
IV.FAGN.HHN. 2009-04-08T05:10:05.24 0.3 undecidable manual Sg 118 23.3544 -0.456 67
IV.VCEL.EHN. 2009-04-08T05:10:05.51 0.1 undecidable manual Pg 85 41.7249 0.69 81
IV.PTQR.SHZ. 2009-04-08T05:10:04.10 0.1 undecidable manual Pg 172 38.5281 -0.231 92
.TERO.HHZ. 2009-04-08T05:10:03.60 0.3 undecidable manual Pg 38 36.1416 -0.357 67
IV.FAGN.HHN. 2009-04-08T05:10:02.16 0.3 undecidable manual Pg 118 23.3544 0.167 72
IV.FIAM.HHE. 2009-04-08T05:10:01.84 0.1 undecidable manual Pg 239 20.7681 0.251 95
.T0104.EHE. 2009-04-08T05:10:00.54 0.3 undecidable manual Sg 146 0.7992 -0.146 76
MN.AQU.HHZ. 2009-04-08T05:10:00.80 0.1 undecidable manual Sg 103 5.7942 -0.383 95
.T0104.EHE. 2009-04-08T05:09:59.33 0.1 undecidable manual Pg 146 0.7992 0.23 98
MN.AQU.HHZ. 2009-04-08T05:09:59.47 0.1 undecidable manual Pg 103 5.7942 0.083 100
IV.FRES.HHZ. 2009-04-08T05:09:47.38 10.0 undecidable manual Pg 0 0 0
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