Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-04-2009 and time 12:26:03 (Italy) in region 2 km S Ocre (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km S Ocre (AQ), on

  • 09-04-2009 10:26:03 (UTC)
  • 09-04-2009 12:26:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2670, 13.4730 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.

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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
Rocca di Cambio AQ 4 533 2421
Sant'Eusanio Forconese AQ 5 394 2815
Villa Sant'Angelo AQ 5 424 3239
San Demetrio ne' Vestini AQ 8 1854 5093
Rocca di Mezzo AQ 8 1526 6619
Poggio Picenze AQ 8 1136 7755
Fagnano Alto AQ 9 418 8173
Prata d'Ansidonia AQ 11 496 8669
L'Aquila AQ 11 69753 78422
Lucoli AQ 11 1011 79433
Fontecchio AQ 12 369 79802
Barisciano AQ 12 1828 81630
Tornimparte AQ 14 3187 84817
Tione degli Abruzzi AQ 15 310 85127
Ovindoli AQ 15 1227 86354
San Pio delle Camere AQ 15 661 87015
Caporciano AQ 17 230 87245
Santo Stefano di Sessanio AQ 17 111 87356
Carapelle Calvisio AQ 18 87 87443
Castelvecchio Calvisio AQ 19 153 87596
Massa d'Albe AQ 19 1476 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 W of Pescara (121014 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
75 Km E of Terni (111501 inhabitants)
86 Km NE of Velletri (53303 inhabitants)
92 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 		Md 2.1
ML 2.0 		2009-04-09
10:26:03		 42.267 13.473 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 779699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 10:26:03 ± 0.06
Latitude 42.2670 ± 0.0036
Longitude 13.4730 ± 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 779699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 462
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
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 35
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57017
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 779699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:45:29

Md:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 779699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:45:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2009-04-09T10:26:48.34 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-04-09T10:26:45.24 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-09T10:26:42.11 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHE. 2009-04-09T10:26:35.22 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHZ. 2009-04-09T10:26:33.34 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHN. 2009-04-09T10:26:32.22 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-04-09T10:26:28.54 10.0 undecidable manual Sg 0 0 0
IV.ALJA.HHN. 2009-04-09T10:26:27.98 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-04-09T10:26:25.35 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-09T10:26:23.52 0.1 undecidable manual Sg 112 63.2922 0.371 86
IV.POFI.HHZ. 2009-04-09T10:26:20.10 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-09T10:26:18.21 0.1 undecidable manual Sg 164 45.7209 -0.258 91
IV.INTR.HHZ. 2009-04-09T10:26:18.50 0.1 undecidable manual Sg 128 45.4212 0.125 94
IV.VCEL.EHZ. 2009-04-09T10:26:15.23 0.1 undecidable manual Sg 65 33.3444 0.088 97
IV.SDI.SHZ. 2009-04-09T10:26:15.88 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-09T10:26:14.80 0.1 undecidable manual Pg 112 63.2922 -0.058 92
IV.CAMP.HHZ. 2009-04-09T10:26:14.32 0.1 undecidable manual Sg 350 30.2475 -0.018 98
IV.PTQR.SHZ. 2009-04-09T10:26:13.44 0.1 undecidable manual Sg 192 27.8499 -0.237 95
IV.VVLD.HHZ. 2009-04-09T10:26:12.10 0.1 undecidable manual Pg 164 45.7209 -0.056 95
IV.INTR.HHZ. 2009-04-09T10:26:12.14 0.1 undecidable manual Pg 128 45.4212 0.038 95
IV.TERO.HHN. 2009-04-09T10:26:10.99 0.1 undecidable manual Pg 15 40.9257 -0.421 89
IV.VCEL.EHZ. 2009-04-09T10:26:10.21 0.1 undecidable manual Pg 65 33.3444 -0.026 98
IV.T0104.EHN. 2009-04-09T10:26:09.74 0.1 undecidable manual Sg 313 15.1737 -0.072 100
IV.FIAM.HHZ. 2009-04-09T10:26:09.78 0.1 undecidable manual Pg 270 29.2485 0.174 96
IV.PTQR.SHZ. 2009-04-09T10:26:09.56 0.1 positive manual Pg 192 27.8499 0.167 96
IV.CAMP.HHZ. 2009-04-09T10:26:09.61 0.1 undecidable manual Pg 350 30.2475 -0.163 96
MN.AQU.HHE. 2009-04-09T10:26:08.54 0.3 undecidable manual Sg 329 11.2776 -0.205 73
IV.T0104.EHN. 2009-04-09T10:26:07.45 0.1 undecidable manual Pg 313 15.1737 0.291 96
IV.FAGN.HHZ. 2009-04-09T10:26:07.89 0.1 undecidable manual Sg 91 9.0798 -0.309 96
MN.AQU.HHE. 2009-04-09T10:26:06.87 0.1 undecidable manual Pg 329 11.2776 0.329 95
IV.FAGN.HHZ. 2009-04-09T10:26:06.40 0.1 undecidable manual Pg 91 9.0798 0.17 99
SI.RISI.BHZ. 2009-04-09T10:26:05.86 10.0 undecidable manual Pg 0 0 0
IV.ORI.EHZ. 2009-04-09T10:26:05.00 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-09T10:25:56.88 10.0 undecidable manual Pg 0 0 0
I1.MSCL.BHZ. 2009-04-09T10:25:52.45 10.0 undecidable manual Pg 0 0 0
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
Waveforms Seismic signals in miniseed + resp format Download