Earthquake with magnitude of Md 1.5 on date 09-08-2009 and time 21:10:50 (UTC) in region 1 km NW Sant'Eusanio Forconese (AQ)

A magnitude Md 1.5 earthquake occured in region: 1 km NW Sant'Eusanio Forconese (AQ), on

  • 09-08-2009 21:10:50 (UTC)
  • 09-08-2009 23:10:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2950, 13.5200 at 6 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 3 721 1115
Villa Sant'Angelo AQ 3 424 1539
San Demetrio ne' Vestini AQ 3 1854 3393
Poggio Picenze AQ 4 1136 4529
Ocre AQ 4 1167 5696
Fagnano Alto AQ 6 418 6114
Rocca di Cambio AQ 7 533 6647
Barisciano AQ 7 1828 8475
Prata d'Ansidonia AQ 7 496 8971
Rocca di Mezzo AQ 10 1526 10497
Fontecchio AQ 10 369 10866
San Pio delle Camere AQ 11 661 11527
L'Aquila AQ 12 69753 81280
Santo Stefano di Sessanio AQ 12 111 81391
Caporciano AQ 13 230 81621
Carapelle Calvisio AQ 14 87 81708
Tione degli Abruzzi AQ 14 310 82018
Castelvecchio Calvisio AQ 14 153 82171
Calascio AQ 15 137 82308
Lucoli AQ 15 1011 83319
Ovindoli AQ 18 1227 84546
Tornimparte AQ 18 3187 87733
Navelli AQ 19 554 88287
Castel del Monte AQ 19 413 88700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
54 Km W of Chieti (51815 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
60 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
73 Km E of Guidonia Montecelio (88673 inhabitants)
78 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
Md 1.5 2009-08-09
21:10:50
42.295 13.52 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 945649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-09 21:10:50 ± 0.11
Latitude 42.2950 ± 0.0090
Longitude 13.5200 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 945649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1085
Semi-minor axis of confidence ellipse (meter) 74
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) 1077.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.10162
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 945649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:02:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2009-08-09T21:11:31.86 10.0 undecidable manual Pg 0 0 0
IV.T0106.HLE. 2009-08-09T21:10:54.90 0.1 undecidable manual Sg 277 11.2776 0.039 99
IV.T0105.HLE. 2009-08-09T21:10:53.15 0.1 undecidable manual Sg 291 4.995 -0.023 100
IV.FAGN.HHZ. 2009-08-09T21:10:53.42 0.1 undecidable manual Sg 121 6.1938 -0.016 100
IV.T0106.HLE. 2009-08-09T21:10:52.91 0.1 undecidable manual Pg 277 11.2776 -0.068 98
IV.T0105.HLE. 2009-08-09T21:10:52.04 0.1 undecidable manual Pg 291 4.995 0.039 100
IV.FAGN.HHZ. 2009-08-09T21:10:52.18 0.1 undecidable manual Pg 121 6.1938 0.026 100
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