Earthquake with magnitude of ML 2.0 on date 09-04-2009 and time 09:34:41 (Italy) in region 3 km NW Ocre (AQ)

A magnitude ML 2.0 earthquake occured in region: 3 km NW Ocre (AQ), on

  • 09-04-2009 07:34:41 (UTC)
  • 09-04-2009 09:34:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3080, 13.4490 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
Ocre AQ 3 1167 1167
Fossa AQ 4 721 1888
L'Aquila AQ 6 69753 71641
Sant'Eusanio Forconese AQ 7 394 72035
Poggio Picenze AQ 8 1136 73171
Villa Sant'Angelo AQ 8 424 73595
Rocca di Cambio AQ 9 533 74128
Lucoli AQ 9 1011 75139
San Demetrio ne' Vestini AQ 9 1854 76993
Barisciano AQ 12 1828 78821
Fagnano Alto AQ 12 418 79239
Tornimparte AQ 12 3187 82426
Rocca di Mezzo AQ 13 1526 83952
Prata d'Ansidonia AQ 13 496 84448
Fontecchio AQ 16 369 84817
Santo Stefano di Sessanio AQ 17 111 84928
San Pio delle Camere AQ 17 661 85589
Scoppito AQ 17 3727 89316
Pizzoli AQ 19 4326 93642
Tione degli Abruzzi AQ 19 310 93952
Carapelle Calvisio AQ 19 87 94039
Caporciano AQ 19 230 94269
Castelvecchio Calvisio AQ 20 153 94422

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SE of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
94 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
Md 2.3
ML 2.0
2009-04-09
07:34:41
42.308 13.449 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 778989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 07:34:41 ± 0.17
Latitude 42.3080 ± 0.0108
Longitude 13.4490 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 778989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1031
Semi-minor axis of confidence ellipse (meter) 685
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 1341.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 778989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:44:40

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 778989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:44:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPO.HHE. 2009-04-09T07:35:18.81 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHN. 2009-04-09T07:35:16.82 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-09T07:35:09.34 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-09T07:35:09.85 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-09T07:35:09.39 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2009-04-09T07:35:06.71 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-04-09T07:34:59.75 10.0 undecidable manual Sg 0 0 0
IV.INTR.HHE. 2009-04-09T07:34:58.29 0.6 undecidable manual Sg 131 49.8168 0.119 47
IV.NRCA.HHE. 2009-04-09T07:34:56.99 10.0 undecidable manual Sg 0 0 0
IV.TERO.HHE. 2009-04-09T07:34:56.64 10.0 undecidable manual Sg 0 0 0
IV.LNSS.HHZ. 2009-04-09T07:34:54.65 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-04-09T07:34:53.83 0.1 undecidable manual Sg 73 33.5442 0.018 96
IV.TERO.HHE. 2009-04-09T07:34:53.26 10.0 positive manual Pg 0 0 0
IV.CAMP.HHE. 2009-04-09T07:34:52.78 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHE. 2009-04-09T07:34:52.50 10.0 undecidable manual Pg 0 0 0
IV.CAMP.HHE. 2009-04-09T07:34:51.04 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHN. 2009-04-09T07:34:51.96 0.3 undecidable manual Sg 261 27.5502 0.011 74
IV.INTR.HHE. 2009-04-09T07:34:50.64 0.3 undecidable manual Pg 131 49.8168 -0.654 59
IV.VCEL.EHZ. 2009-04-09T07:34:49.72 0.1 undecidable manual Pg 73 33.5442 0.942 75
IV.PTQR.SHZ. 2009-04-09T07:34:48.68 0.1 undecidable manual Pg 187 31.9458 0.139 94
IV.FIAM.HHN. 2009-04-09T07:34:47.89 0.1 undecidable manual Pg 261 27.5502 0.187 95
IV.FAGN.HHE. 2009-04-09T07:34:47.17 0.1 undecidable manual Sg 113 11.9769 0.104 95
IV.T0104.EHZ. 2009-04-09T07:34:46.96 0.1 undecidable manual Sg 302 10.7781 0.235 97
MN.AQU.HHZ. 2009-04-09T07:34:45.46 0.1 undecidable manual Sg 323 6.3936 -0.215 99
IV.FAGN.HHE. 2009-04-09T07:34:44.54 0.1 undecidable manual Pg 113 11.9769 -0.345 96
IV.T0104.EHZ. 2009-04-09T07:34:44.63 0.1 undecidable manual Pg 302 10.7781 -0.056 100
MN.AQU.HHZ. 2009-04-09T07:34:43.74 0.1 undecidable manual Pg 323 6.3936 -0.341 96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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