Earthquake with magnitude of ML 2.3 on date 06-04-2009 and time 18:02:04 (Italy) in region 2 km S Ocre (AQ)

A magnitude ML 2.3 earthquake occured in region: 2 km S Ocre (AQ), on

  • 06-04-2009 16:02:04 (UTC)
  • 06-04-2009 18:02:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2650, 13.4700 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
Rocca di Cambio AQ 4 533 1700
Fossa AQ 4 721 2421
Sant'Eusanio Forconese AQ 5 394 2815
Villa Sant'Angelo AQ 6 424 3239
Rocca di Mezzo AQ 8 1526 4765
San Demetrio ne' Vestini AQ 8 1854 6619
Poggio Picenze AQ 9 1136 7755
Fagnano Alto AQ 9 418 8173
Lucoli AQ 11 1011 9184
L'Aquila AQ 11 69753 78937
Prata d'Ansidonia AQ 11 496 79433
Fontecchio AQ 12 369 79802
Barisciano AQ 12 1828 81630
Tornimparte AQ 14 3187 84817
Ovindoli AQ 15 1227 86044
Tione degli Abruzzi AQ 15 310 86354
San Pio delle Camere AQ 16 661 87015
Caporciano AQ 17 230 87245
Santo Stefano di Sessanio AQ 17 111 87356
Carapelle Calvisio AQ 18 87 87443
Massa d'Albe AQ 18 1476 88919
Castelvecchio Calvisio AQ 19 153 89072
Calascio AQ 20 137 89209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
75 Km E of Terni (111501 inhabitants)
86 Km NE of Velletri (53303 inhabitants)
91 Km E of Roma (2864731 inhabitants)
99 Km SE of Foligno (57155 inhabitants)
100 Km NE of Latina (125985 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 2.3 2009-04-06
16:02:04
42.265 13.47 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 761039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 16:02:04 ± 0.05
Latitude 42.2650 ± 0.0036
Longitude 13.4700 ± 0.0036
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 761039

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 367
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 761039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2009-04-06T16:03:38.72 10.0 undecidable manual Sg 0 0 0
IV.STR3.BHE. 2009-04-06T16:03:33.13 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHN. 2009-04-06T16:03:29.31 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-06T16:03:23.72 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-04-06T16:03:18.87 10.0 undecidable manual Pg 0 0 0
IV.RESU.HHE. 2009-04-06T16:03:12.85 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T16:03:11.02 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T16:03:02.40 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHE. 2009-04-06T16:02:34.79 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-04-06T16:02:24.53 0.3 undecidable manual Sg 112 63.492 0.468 62
IV.INTR.HHZ. 2009-04-06T16:02:19.30 0.6 undecidable manual Sg 128 45.5211 0.036 47
IV.TERO.HHZ. 2009-04-06T16:02:17.76 0.3 undecidable manual Sg 15 41.2254 -0.366 66
IV.LPEL.HHN. 2009-04-06T16:02:15.69 0.1 undecidable manual Pg 112 63.492 -0.119 89
IV.VCEL.EHN. 2009-04-06T16:02:15.92 0.6 undecidable manual Sg 65 33.6441 -0.186 46
IV.PTQR.SHZ. 2009-04-06T16:02:14.27 0.3 undecidable manual Sg 192 27.5502 -0.205 70
IV.FIAM.HHZ. 2009-04-06T16:02:14.89 0.3 undecidable manual Sg 271 28.9488 0.036 72
IV.CERT.HHN. 2009-04-06T16:02:14.10 0.3 undecidable manual Pg 229 53.3022 -0.142 68
IV.INTR.HHZ. 2009-04-06T16:02:13.05 0.1 undecidable manual Pg 128 45.5211 0.011 94
IV.TERO.HHZ. 2009-04-06T16:02:12.42 0.3 undecidable manual Pg 15 41.2254 0.039 71
IV.VCEL.EHN. 2009-04-06T16:02:11.50 0.3 undecidable manual Pg 65 33.6441 0.283 68
.CAMP.---. 2009-04-06T16:02:10.78 0.3 undecidable manual Pg 351 30.4473 0.052 72
IV.PTQR.SHZ. 2009-04-06T16:02:10.26 0.1 undecidable manual Pg 192 27.5502 -0.012 97
IV.FIAM.HHZ. 2009-04-06T16:02:10.57 0.1 undecidable manual Pg 271 28.9488 0.077 96
MN.AQU.HHZ. 2009-04-06T16:02:10.00 0.3 undecidable manual Sg 331 11.3775 0.105 74
.FAGN.HHE. 2009-04-06T16:02:09.21 0.3 undecidable manual Sg 89 9.3795 -0.198 72
.FAGN.HHE. 2009-04-06T16:02:07.32 0.1 undecidable manual Pg 89 9.3795 -0.029 100
MN.AQU.HHZ. 2009-04-06T16:02:07.74 0.3 undecidable manual Pg 331 11.3775 0.109 74
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