Earthquake with magnitude of ML 2.0 on date 07-04-2009 and time 20:09:21 (Italy) in region 1 km NW Sant'Eusanio Forconese (AQ)

A magnitude ML 2.0 earthquake occured in region: 1 km NW Sant'Eusanio Forconese (AQ), on

  • 07-04-2009 18:09:21 (UTC)
  • 07-04-2009 20:09:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2970, 13.5140 at 17 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
Sant'Eusanio Forconese AQ 1 394 394
Fossa AQ 2 721 1115
Villa Sant'Angelo AQ 4 424 1539
Ocre AQ 4 1167 2706
Poggio Picenze AQ 4 1136 3842
San Demetrio ne' Vestini AQ 4 1854 5696
Fagnano Alto AQ 7 418 6114
Rocca di Cambio AQ 7 533 6647
Barisciano AQ 7 1828 8475
Prata d'Ansidonia AQ 8 496 8971
Rocca di Mezzo AQ 10 1526 10497
Fontecchio AQ 11 369 10866
L'Aquila AQ 11 69753 80619
San Pio delle Camere AQ 12 661 81280
Santo Stefano di Sessanio AQ 12 111 81391
Caporciano AQ 14 230 81621
Carapelle Calvisio AQ 14 87 81708
Tione degli Abruzzi AQ 14 310 82018
Lucoli AQ 14 1011 83029
Castelvecchio Calvisio AQ 15 153 83182
Calascio AQ 15 137 83319
Tornimparte AQ 18 3187 86506
Ovindoli AQ 18 1227 87733
Navelli AQ 19 554 88287
Castel del Monte AQ 19 413 88700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
54 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
73 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
96 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
18:09:21
42.297 13.514 17 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 768559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 18:09:21 ± 0.12
Latitude 42.2970 ± 0.0054
Longitude 13.5140 ± 0.0097
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 768559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 687
Semi-minor axis of confidence ellipse (meter) 432
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83727
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 768559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:32:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-04-07T18:09:42.45 0.3 undecidable manual Sg 331 67.8765 -0.2 65
IV.VVLD.HHZ. 2009-04-07T18:09:37.33 0.6 undecidable manual Sg 169 48.3183 -0.135 45
IV.CESI.HHE. 2009-04-07T18:09:37.73 0.6 undecidable manual Pg 328 92.9403 -0.033 42
IV.INTR.HHZ. 2009-04-07T18:09:36.31 0.3 undecidable manual Sg 134 45.1215 -0.327 66
IV.TERO.HHE. 2009-04-07T18:09:34.29 0.3 undecidable manual Sg 11 36.8298 -0.192 69
IV.SDI.SHZ. 2009-04-07T18:09:34.82 0.1 undecidable manual Pg 159 69.5748 0.642 76
IV.MNS.HHZ. 2009-04-07T18:09:34.70 0.6 undecidable manual Pg 278 68.9754 0.611 39
IV.VCEL.EHZ. 2009-04-07T18:09:33.15 0.3 undecidable manual Sg 68 28.8489 0.715 59
IV.FIAM.HHZ. 2009-04-07T18:09:33.58 0.3 undecidable manual Sg 264 32.745 0.167 69
IV.NRCA.HHE. 2009-04-07T18:09:33.17 0.1 undecidable manual Pg 331 67.8765 -0.745 73
IV.PTQR.SHZ. 2009-04-07T18:09:33.16 0.3 undecidable manual Sg 197 31.9458 -0.046 72
IV.GUAR.HHE. 2009-04-07T18:09:32.69 0.1 undecidable manual Pg 197 58.1973 0.258 87
IV.LNSS.HHE. 2009-04-07T18:09:32.35 0.1 undecidable manual Pg 311 51.5151 0.936 70
IV.CAMP.HHZ. 2009-04-07T18:09:32.17 0.1 undecidable manual Sg 342 27.8499 0.001 96
IV.CERT.HHE. 2009-04-07T18:09:32.30 0.1 undecidable manual Pg 229 58.3971 -0.164 88
IV.INTR.HHZ. 2009-04-07T18:09:30.00 0.1 undecidable manual Pg 134 45.1215 -0.445 85
IV.VVLD.HHZ. 2009-04-07T18:09:30.61 0.1 undecidable manual Pg 169 48.3183 -0.313 87
IV.FIAM.HHZ. 2009-04-07T18:09:29.00 0.3 undecidable manual Pg 264 32.745 0.417 66
IV.PTQR.SHZ. 2009-04-07T18:09:28.28 0.1 undecidable manual Pg 197 31.9458 -0.184 93
MN.AQU.HHE. 2009-04-07T18:09:28.36 0.3 undecidable manual Sg 304 11.1777 -0.1 74
IV.VCEL.EHZ. 2009-04-07T18:09:28.34 0.1 undecidable manual Pg 68 28.8489 0.321 90
IV.TERO.HHE. 2009-04-07T18:09:28.86 0.1 undecidable manual Pg 11 36.8298 -0.342 89
IV.CAMP.HHZ. 2009-04-07T18:09:27.70 0.1 undecidable manual Pg 342 27.8499 -0.168 93
.FAGN.---. 2009-04-07T18:09:27.79 0.3 undecidable manual Sg 121 6.6933 -0.034 75
.FAGN.---. 2009-04-07T18:09:25.33 0.1 negative manual Pg 121 6.6933 -0.029 100
MN.AQU.HHE. 2009-04-07T18:09:25.65 0.1 undecidable manual Pg 304 11.1777 -0.076 98
IV.LAV9.SHZ. 2009-04-07T18:09:12.03 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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