Earthquake with magnitude of ML 2.0 on date 08-04-2009 and time 00:39:04 (Italy) in region 1 km SE Ocre (AQ)

A magnitude ML 2.0 earthquake occured in region: 1 km SE Ocre (AQ), on

  • 07-04-2009 22:39:04 (UTC)
  • 08-04-2009 00:39:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2740, 13.4810 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 1 1167 1167
Fossa AQ 2 721 1888
Sant'Eusanio Forconese AQ 4 394 2282
Rocca di Cambio AQ 4 533 2815
Villa Sant'Angelo AQ 5 424 3239
San Demetrio ne' Vestini AQ 7 1854 5093
Poggio Picenze AQ 7 1136 6229
Rocca di Mezzo AQ 8 1526 7755
Fagnano Alto AQ 8 418 8173
Prata d'Ansidonia AQ 10 496 8669
Barisciano AQ 11 1828 10497
L'Aquila AQ 11 69753 80250
Fontecchio AQ 11 369 80619
Lucoli AQ 12 1011 81630
San Pio delle Camere AQ 14 661 82291
Tornimparte AQ 15 3187 85478
Tione degli Abruzzi AQ 15 310 85788
Santo Stefano di Sessanio AQ 16 111 85899
Ovindoli AQ 16 1227 87126
Caporciano AQ 16 230 87356
Carapelle Calvisio AQ 17 87 87443
Castelvecchio Calvisio AQ 18 153 87596
Calascio AQ 19 137 87733
Massa d'Albe AQ 20 1476 89209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
47 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
69 Km E of Guidonia Montecelio (88673 inhabitants)
76 Km E of Terni (111501 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
93 Km E of Roma (2864731 inhabitants)
99 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 2.0 2009-04-07
22:39:04
42.274 13.481 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 770229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 22:39:04 ± 0.07
Latitude 42.2740 ± 0.0036
Longitude 13.4810 ± 0.0061
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 770229

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61424
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 770229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:34:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BULG.HHE. 2009-04-07T22:39:30.30 10.0 undecidable manual Sg 0 0 0
IV.BULG.HHE. 2009-04-07T22:39:26.82 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-07T22:39:26.15 0.6 undecidable manual Sg 156 68.1762 0.627 39
IV.RNI2.HHZ. 2009-04-07T22:39:23.17 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHN. 2009-04-07T22:39:22.23 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-07T22:39:19.26 0.6 undecidable manual Sg 165 46.3203 -0.429 43
IV.INTR.HHE. 2009-04-07T22:39:19.44 0.3 undecidable manual Sg 130 45.3213 0.008 71
IV.SDI.SHZ. 2009-04-07T22:39:17.28 0.3 undecidable manual Pg 156 68.1762 0.634 58
.TERO.HHE. 2009-04-07T22:39:17.85 0.6 undecidable manual Sg 14 40.0266 -0.144 46
IV.VCEL.EHZ. 2009-04-07T22:39:16.08 0.3 undecidable manual Sg 65 32.3454 0.12 71
.FIAM.HHE. 2009-04-07T22:39:15.34 0.3 undecidable manual Sg 269 29.9478 0.042 72
.CAMP.HHE. 2009-04-07T22:39:15.01 0.3 undecidable manual Sg 348 29.6481 -0.23 70
IV.PTQR.SHZ. 2009-04-07T22:39:14.59 0.6 undecidable manual Sg 193 28.749 -0.392 45
.LNSS.HHN. 2009-04-07T22:39:14.78 0.6 undecidable manual Pg 315 51.3153 0.73 38
IV.INTR.HHE. 2009-04-07T22:39:13.10 0.1 undecidable manual Pg 130 45.3213 -0.028 94
IV.VVLD.HHE. 2009-04-07T22:39:13.03 0.1 undecidable manual Pg 165 46.3203 -0.247 90
IV.VCEL.EHZ. 2009-04-07T22:39:11.18 0.1 undecidable manual Pg 65 32.3454 0.054 96
.TERO.HHE. 2009-04-07T22:39:11.96 0.3 undecidable manual Pg 14 40.0266 -0.341 67
.CAMP.HHE. 2009-04-07T22:39:10.84 0.3 undecidable manual Pg 348 29.6481 0.134 71
IV.PTQR.SHZ. 2009-04-07T22:39:10.47 0.1 undecidable manual Pg 193 28.749 -0.095 96
.FIAM.HHE. 2009-04-07T22:39:10.76 0.1 undecidable manual Pg 269 29.9478 0.011 97
.AQU.HHZ. 2009-04-07T22:39:09.62 0.3 undecidable manual Sg 324 10.9779 0.035 75
IV.FAGN.HHN. 2009-04-07T22:39:08.72 0.3 undecidable manual Sg 96 8.4804 -0.23 72
IV.FAGN.HHN. 2009-04-07T22:39:07.23 0.1 undecidable manual Pg 96 8.4804 0.148 98
.AQU.HHZ. 2009-04-07T22:39:07.42 0.1 undecidable manual Pg 324 10.9779 -0.023 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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