Earthquake with magnitude of ML 1.9 on date 06-04-2009 and time 14:12:05 (Italy) in region 4 km N L'Aquila (AQ)

A magnitude ML 1.9 earthquake occured in region: 4 km N L'Aquila (AQ), on

  • 06-04-2009 12:12:05 (UTC)
  • 06-04-2009 14:12:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3840, 13.4110 at 8 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 4 69753 69753
Pizzoli AQ 11 4326 74079
Fossa AQ 12 721 74800
Lucoli AQ 12 1011 75811
Ocre AQ 12 1167 76978
Scoppito AQ 13 3727 80705
Poggio Picenze AQ 13 1136 81841
Barete AQ 13 737 82578
Tornimparte AQ 14 3187 85765
Sant'Eusanio Forconese AQ 14 394 86159
Barisciano AQ 16 1828 87987
San Demetrio ne' Vestini AQ 16 1854 89841
Villa Sant'Angelo AQ 16 424 90265
Cagnano Amiterno AQ 17 1369 91634
Rocca di Cambio AQ 18 533 92167
Capitignano AQ 18 665 92832
Crognaleto TE 19 1297 94129
Pietracamela TE 20 271 94400
Campotosto AQ 20 542 94942
Fagnano Alto AQ 20 418 95360
Prata d'Ansidonia AQ 20 496 95856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km N of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
62 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
66 Km E of Terni (111501 inhabitants)
67 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km SE of Foligno (57155 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
94 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 1.9 2009-04-06
12:12:05
42.384 13.411 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 759719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 12:12:05 ± 0.11
Latitude 42.3840 ± 0.0054
Longitude 13.4110 ± 0.0110
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 759719

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 905
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 1081.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 759719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:22:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.CRAC.EHE. 2009-04-06T12:13:45.32 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-04-06T12:12:29.51 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHN. 2009-04-06T12:12:24.57 0.3 undecidable manual Sg 135 57.8976 0.932 52
IV.OFFI.HHN. 2009-04-06T12:12:23.69 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T12:12:22.99 0.3 undecidable manual Sg 334 55.4001 0.003 69
IV.PTQR.SHZ. 2009-04-06T12:12:18.56 0.3 undecidable manual Sg 181 40.1265 -0.345 66
.CERT.HHE. 2009-04-06T12:12:16.18 0.6 undecidable manual Pg 216 59.7957 0.089 45
IV.NRCA.SHZ. 2009-04-06T12:12:15.26 0.1 positive manual Pg 334 55.4001 -0.163 89
IV.TERO.HHE. 2009-04-06T12:12:15.58 0.3 undecidable manual Sg 31 30.8469 -0.599 62
IV.INTR.HHN. 2009-04-06T12:12:15.44 0.6 undecidable manual Pg 135 57.8976 -0.361 42
.FIAM.---. 2009-04-06T12:12:14.26 0.6 undecidable manual Sg 242 27.3504 -0.733 40
.VCEL.EHE. 2009-04-06T12:12:12.38 0.6 undecidable manual Pg 88 35.2425 0.071 47
IV.PTQR.SHZ. 2009-04-06T12:12:12.86 0.6 undecidable manual Pg 181 40.1265 -0.209 45
.FIAM.---. 2009-04-06T12:12:11.18 0.3 undecidable manual Pg 242 27.3504 0.368 67
.FAGN.HHE. 2009-04-06T12:12:11.84 0.6 undecidable manual Sg 133 19.2696 -0.543 43
IV.TERO.HHE. 2009-04-06T12:12:11.06 0.1 undecidable manual Pg 31 30.8469 -0.436 87
.CAMP.---. 2009-04-06T12:12:11.88 0.3 undecidable manual Sg 359 16.872 0.272 70
.CAMP.---. 2009-04-06T12:12:09.51 0.1 undecidable manual Pg 359 16.872 0.656 83
.FAGN.HHE. 2009-04-06T12:12:09.63 0.3 undecidable manual Pg 133 19.2696 0.325 69
MN.AQU.HHZ. 2009-04-06T12:12:08.17 0.1 undecidable manual Sg 192 3.3966 -0.021 100
MN.AQU.HHZ. 2009-04-06T12:12:07.04 0.1 positive manual Pg 192 3.3966 0.154 97
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