Earthquake with magnitude of ML 1.9 on date 06-04-2009 and time 20:53:23 (Italy) in region 2 km W Ocre (AQ)

A magnitude ML 1.9 earthquake occured in region: 2 km W Ocre (AQ), on

  • 06-04-2009 18:53:23 (UTC)
  • 06-04-2009 20:53:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2890, 13.4540 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
Ocre AQ 2 1167 1167
Fossa AQ 3 721 1888
Sant'Eusanio Forconese AQ 6 394 2282
Rocca di Cambio AQ 6 533 2815
Villa Sant'Angelo AQ 7 424 3239
Poggio Picenze AQ 8 1136 4375
L'Aquila AQ 8 69753 74128
San Demetrio ne' Vestini AQ 9 1854 75982
Lucoli AQ 10 1011 76993
Rocca di Mezzo AQ 10 1526 78519
Fagnano Alto AQ 11 418 78937
Barisciano AQ 12 1828 80765
Prata d'Ansidonia AQ 13 496 81261
Tornimparte AQ 13 3187 84448
Fontecchio AQ 14 369 84817
San Pio delle Camere AQ 17 661 85478
Santo Stefano di Sessanio AQ 17 111 85589
Tione degli Abruzzi AQ 18 310 85899
Ovindoli AQ 18 1227 87126
Caporciano AQ 18 230 87356
Scoppito AQ 19 3727 91083
Carapelle Calvisio AQ 19 87 91170
Castelvecchio Calvisio AQ 20 153 91323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
66 Km W of Pescara (121014 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
73 Km E of Terni (111501 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
91 Km E of Roma (2864731 inhabitants)
96 Km SE of Foligno (57155 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
18:53:23
42.289 13.454 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 762089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:53:23 ± 0.05
Latitude 42.2890 ± 0.0036
Longitude 13.4540 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 762089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 378
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 762089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUAR.HHE. 2009-04-06T18:54:46.45 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T18:54:46.50 0.1 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-06T18:54:36.24 10.0 undecidable manual Pg 188 29.9478 0.013 74
IV.VVLD.HHN. 2009-04-06T18:53:39.25 0.6 undecidable manual Sg 163 48.5181 -0.036 47
IV.MNS.HHZ. 2009-04-06T18:53:35.17 0.6 undecidable manual Pg 280 64.2912 0.093 45
IV.VCEL.EHN. 2009-04-06T18:53:35.33 0.3 undecidable manual Sg 70 33.8439 -0.037 73
.PTQR.---. 2009-04-06T18:53:34.26 0.3 undecidable manual Sg 188 29.9478 -0.057 73
.CAMP.---. 2009-04-06T18:53:33.62 0.6 undecidable manual Sg 352 27.6501 -0.101 48
IV.FIAM.HHZ. 2009-04-06T18:53:33.78 0.3 undecidable manual Sg 265 27.75 0.051 73
IV.VVLD.HHN. 2009-04-06T18:53:32.28 0.3 undecidable manual Pg 163 48.5181 -0.373 66
IV.VCEL.EHN. 2009-04-06T18:53:30.39 0.1 undecidable manual Pg 70 33.8439 0 98
.PTQR.---. 2009-04-06T18:53:29.80 0.3 undecidable manual Pg 188 29.9478 0.013 74
.CAMP.---. 2009-04-06T18:53:29.53 0.3 undecidable manual Pg 352 27.6501 0.092 73
IV.FIAM.HHZ. 2009-04-06T18:53:29.57 0.1 undecidable manual Pg 265 27.75 0.124 96
IV.FAGN.HHE. 2009-04-06T18:53:28.66 0.3 undecidable manual Sg 103 10.9779 -0.045 76
MN.AQU.HHZ. 2009-04-06T18:53:27.72 0.3 undecidable manual Sg 330 8.3805 -0.354 71
MN.AQU.HHZ. 2009-04-06T18:53:26.29 0.1 undecidable manual Pg 330 8.3805 0.11 100
IV.FAGN.HHE. 2009-04-06T18:53:26.82 0.1 undecidable manual Pg 103 10.9779 0.278 96
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