Earthquake with magnitude of ML 1.9 on date 06-04-2009 and time 21:16:29 (Italy) in region 2 km NW Poggio Picenze (AQ)

A magnitude ML 1.9 earthquake occured in region: 2 km NW Poggio Picenze (AQ), on

  • 06-04-2009 19:16:29 (UTC)
  • 06-04-2009 21:16:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.34, 13.54 at 8 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
Poggio Picenze AQ 2 1136 1136
Barisciano AQ 5 1828 2964
Sant'Eusanio Forconese AQ 5 394 3358
San Demetrio ne' Vestini AQ 6 1854 5212
Fossa AQ 6 721 5933
Villa Sant'Angelo AQ 7 424 6357
Ocre AQ 8 1167 7524
Prata d'Ansidonia AQ 9 496 8020
Santo Stefano di Sessanio AQ 9 111 8131
Fagnano Alto AQ 10 418 8549
San Pio delle Camere AQ 11 661 9210
L'Aquila AQ 11 69753 78963
Rocca di Cambio AQ 12 533 79496
Carapelle Calvisio AQ 13 87 79583
Castelvecchio Calvisio AQ 13 153 79736
Fontecchio AQ 13 369 80105
Calascio AQ 13 137 80242
Rocca di Mezzo AQ 14 1526 81768
Caporciano AQ 15 230 81998
Castel del Monte AQ 16 413 82411
Tione degli Abruzzi AQ 17 310 82721
Lucoli AQ 17 1011 83732
Ofena AQ 19 506 84238
Navelli AQ 20 554 84792
Tornimparte AQ 20 3187 87979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
52 Km W of Chieti (51815 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
58 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
96 Km NE of Velletri (53303 inhabitants)
97 Km SE of Foligno (57155 inhabitants)
100 Km NE of Roma (2864731 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
Rev 1000 ML 1.9 2009-04-06
19:16:29
42.34 13.54 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 762209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 19:16:29 ± 0.22
Latitude 42.34 ± 0.01
Longitude 13.54 ± 0.02
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 762209

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1527
Semi-minor axis of confidence ellipse (meter) 1278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 2121.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
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) 0.75
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.58546
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 762209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.OC9.EHZ. 2009-04-06T19:17:00.45 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T19:16:48.13 0.6 undecidable manual Sg 328 0.5855 -1.386 31
.FIAM.---. 2009-04-06T19:16:41.09 0.6 undecidable manual Sg 258 0.3166 -0.446 49
IV.NRCA.SHZ. 2009-04-06T19:16:40.61 0.1 undecidable manual Pg 328 0.5855 -0.25 94
.TERO.---. 2009-04-06T19:16:40.94 0.6 undecidable manual Sg 10 0.2914 0.358 49
.CAMP.---. 2009-04-06T19:16:37.07 0.3 undecidable manual Sg 335 0.2203 -0.893 56
.TERO.---. 2009-04-06T19:16:36.51 0.3 undecidable manual Pg 10 0.2914 0.809 63
.FIAM.---. 2009-04-06T19:16:36.74 0.3 undecidable manual Pg 258 0.3166 0.489 66
.CAMP.---. 2009-04-06T19:16:34.58 0.1 undecidable manual Pg 335 0.2203 0.39 98
IV.VCEL.EHN. 2009-04-06T19:16:34.61 0.6 undecidable manual Pg 75 0.2329 0.156 51
MN.AQU.HHZ. 2009-04-06T19:16:33.76 0.3 undecidable manual Sg 280 0.0998 -0.037 78
MN.AQU.HHZ. 2009-04-06T19:16:32.59 0.1 undecidable manual Pg 280 0.0998 0.812 87
IV.FAGN.HHE. 2009-04-06T19:16:32.82 0.3 undecidable manual Sg 153 0.0791 -0.337 75
IV.FAGN.HHE. 2009-04-06T19:16:31.05 0.1 undecidable manual Pg 153 0.0791 -0.367 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHN. ML:2.4 0.0033 0.3 AML other m 2009-04-06T19:16:32.59
MN.AQU.HHE. ML:2.4 0.0033 0.3 AML other m 2009-04-06T19:16:32.59
IV.VCEL.EHN. ML:1.4 0.000135 0.24 AML other m 2009-04-06T19:16:34.61
IV.VCEL.EHE. ML:1.4 0.000165 1.12 AML other m 2009-04-06T19:16:34.61
IV.NRCA.SHZ. ML:0 3.0E-5 0.12 AML other m 2009-04-06T19:16:40.61
IV.OC9.EHZ. Md:0 12 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download