Earthquake with magnitude of ML 1.4 on date 09-04-2009 and time 01:30:50 (Italy) in region 2 km N Sant'Eusanio Forconese (AQ)

A magnitude ML 1.4 earthquake occured in region: 2 km N Sant'Eusanio Forconese (AQ), on

  • 08-04-2009 23:30:50 (UTC)
  • 09-04-2009 01:30:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3050, 13.5220 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
Sant'Eusanio Forconese AQ 2 394 394
Poggio Picenze AQ 3 1136 1530
Fossa AQ 3 721 2251
San Demetrio ne' Vestini AQ 4 1854 4105
Villa Sant'Angelo AQ 4 424 4529
Ocre AQ 5 1167 5696
Barisciano AQ 6 1828 7524
Fagnano Alto AQ 7 418 7942
Prata d'Ansidonia AQ 8 496 8438
Rocca di Cambio AQ 8 533 8971
Rocca di Mezzo AQ 11 1526 10497
Fontecchio AQ 11 369 10866
Santo Stefano di Sessanio AQ 11 111 10977
San Pio delle Camere AQ 11 661 11638
L'Aquila AQ 11 69753 81391
Carapelle Calvisio AQ 13 87 81478
Caporciano AQ 14 230 81708
Castelvecchio Calvisio AQ 14 153 81861
Calascio AQ 15 137 81998
Tione degli Abruzzi AQ 15 310 82308
Lucoli AQ 15 1011 83319
Tornimparte AQ 18 3187 86506
Castel del Monte AQ 18 413 86919
Navelli AQ 19 554 87473
Ovindoli AQ 19 1227 88700
Ofena AQ 20 506 89206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
53 Km W of Chieti (51815 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
60 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
74 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
97 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 2.3
ML 1.4
2009-04-08
23:30:50
42.305 13.522 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 23:30:50 ± 0.09
Latitude 42.3050 ± 0.0081
Longitude 13.5220 ± 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 776589

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 479
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 1081.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.46315
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 776589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:49

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 776589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.INTR.---. 2009-04-08T23:31:06.63 0.6 undecidable manual Sg 136 45.3213 0.568 41
.FIAM.---. 2009-04-08T23:31:02.94 0.3 undecidable manual Sg 263 33.4443 0.03 72
IV.PTQR.SHZ. 2009-04-08T23:31:02.99 0.3 undecidable manual Sg 198 32.9448 0.214 69
IV.VCEL.EHE. 2009-04-08T23:31:01.26 0.6 undecidable manual Sg 69 27.9498 0.157 47
IV.LNSS.HHE. 2009-04-08T23:31:00.33 0.3 undecidable manual Pg 310 51.4152 -0.294 66
.INTR.---. 2009-04-08T23:30:59.04 0.3 undecidable manual Pg 136 45.3213 -0.642 60
IV.PTQR.SHZ. 2009-04-08T23:30:57.79 0.1 undecidable manual Pg 198 32.9448 0.006 96
.FIAM.---. 2009-04-08T23:30:57.72 0.3 undecidable manual Pg 263 33.4443 -0.139 70
IV.VCEL.EHE. 2009-04-08T23:30:56.97 0.3 undecidable manual Pg 69 27.9498 0.153 71
MN.AQU.HHZ. 2009-04-08T23:30:55.98 0.3 undecidable manual Sg 299 11.1777 0.114 73
.FAGN.---. 2009-04-08T23:30:54.36 0.6 undecidable manual Sg 131 6.6933 -0.384 46
.FAGN.---. 2009-04-08T23:30:53.18 0.1 undecidable manual Pg 131 6.6933 0.035 100
MN.AQU.HHZ. 2009-04-08T23:30:53.97 0.3 undecidable manual Pg 299 11.1777 0.178 72
IV.STR3.BHE. 2009-04-08T23:30:53.11 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