Earthquake with magnitude of ML 2.0 on date 06-04-2009 and time 22:34:12 (UTC) in region 6 km NE L'Aquila (AQ)

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

  • 06-04-2009 22:34:12 (UTC)
  • 07-04-2009 00:34:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4040, 13.4310 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 6 69753 69753
Pizzoli AQ 12 4326 74079
Poggio Picenze AQ 13 1136 75215
Fossa AQ 13 721 75936
Barete AQ 13 737 76673
Ocre AQ 14 1167 77840
Lucoli AQ 15 1011 78851
Scoppito AQ 15 3727 82578
Sant'Eusanio Forconese AQ 15 394 82972
Barisciano AQ 16 1828 84800
Tornimparte AQ 16 3187 87987
San Demetrio ne' Vestini AQ 17 1854 89841
Crognaleto TE 17 1297 91138
Capitignano AQ 17 665 91803
Pietracamela TE 17 271 92074
Villa Sant'Angelo AQ 17 424 92498
Campotosto AQ 18 542 93040
Cagnano Amiterno AQ 18 1369 94409
Fano Adriano TE 19 296 94705
Santo Stefano di Sessanio AQ 19 111 94816
Rocca di Cambio AQ 19 533 95349

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of L'Aquila (69753 inhabitants)
36 Km SW of Teramo (54892 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
61 Km W of Chieti (51815 inhabitants)
65 Km W of Pescara (121014 inhabitants)
67 Km E of Terni (111501 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km SE of Foligno (57155 inhabitants)
96 Km NE of Velletri (53303 inhabitants)
97 Km NE of Roma (2864731 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 2009-04-06
22:34:12
42.404 13.431 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 763669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 22:34:12 ± 0.07
Latitude 42.4040 ± 0.0036
Longitude 13.4310 ± 0.0073
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 763669

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 561
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
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) 87
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
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) 0.71406
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 763669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:26:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.CESI.HHE. 2009-04-06T22:34:37.13 0.6 undecidable manual Sg 327 79.2651 0.871 34
IV.NRCA.SHZ. 2009-04-06T22:34:29.80 0.3 undecidable manual Sg 332 54.2013 0.225 66
IV.PTQR.SHZ. 2009-04-06T22:34:26.57 0.3 undecidable manual Sg 183 42.5241 0.121 69
.CESI.HHE. 2009-04-06T22:34:25.90 0.3 undecidable manual Pg 327 79.2651 -0.169 64
.CERT.---. 2009-04-06T22:34:23.16 0.1 undecidable manual Pg 216 62.5929 -0.339 85
.INTR.---. 2009-04-06T22:34:23.05 0.3 undecidable manual Pg 138 58.3971 0.189 66
.FIAM.HHN. 2009-04-06T22:34:22.82 0.6 undecidable manual Sg 240 29.8479 -0.113 47
IV.NRCA.SHZ. 2009-04-06T22:34:21.93 0.3 undecidable manual Pg 332 54.2013 -0.275 66
IV.TERO.HHE. 2009-04-06T22:34:21.95 0.3 undecidable manual Sg 30 28.0497 -0.392 67
IV.PTQR.SHZ. 2009-04-06T22:34:20.22 0.1 undecidable manual Pg 183 42.5241 -0.183 91
IV.FAGN.HHN. 2009-04-06T22:34:19.84 0.3 undecidable manual Sg 141 19.869 0.178 71
IV.VCEL.EHZ. 2009-04-06T22:34:19.12 0.3 undecidable manual Pg 92 33.5442 0.088 71
.CAMP.---. 2009-04-06T22:34:18.39 0.3 undecidable manual Sg 353 14.6742 0.31 70
.FIAM.HHN. 2009-04-06T22:34:18.28 0.1 undecidable manual Pg 240 29.8479 -0.091 95
IV.TERO.HHE. 2009-04-06T22:34:17.73 0.1 undecidable manual Pg 30 28.0497 -0.306 91
IV.FAGN.HHN. 2009-04-06T22:34:16.74 0.3 undecidable manual Pg 141 19.869 0.257 70
MN.AQU.HHZ. 2009-04-06T22:34:15.89 0.3 undecidable manual Sg 203 6.0939 0.046 75
.CAMP.---. 2009-04-06T22:34:15.69 0.1 undecidable manual Pg 353 14.6742 0.117 97
MN.AQU.HHZ. 2009-04-06T22:34:14.33 0.1 undecidable manual Pg 203 6.0939 0.049 100
GU.STV.HHE. 2009-04-06T22:33:59.06 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
Waveforms Seismic signals in miniseed + resp format Download