Earthquake with magnitude of ML 1.6 on date 07-04-2009 and time 04:22:13 (Italy) in region 2 km SE Fossa (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km SE Fossa (AQ), on

  • 07-04-2009 02:22:13 (UTC)
  • 07-04-2009 04:22:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2840, 13.5030 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fossa AQ 2 721 721
Sant'Eusanio Forconese AQ 2 394 1115
Ocre AQ 2 1167 2282
Villa Sant'Angelo AQ 3 424 2706
San Demetrio ne' Vestini AQ 5 1854 4560
Rocca di Cambio AQ 5 533 5093
Poggio Picenze AQ 5 1136 6229
Fagnano Alto AQ 7 418 6647
Rocca di Mezzo AQ 9 1526 8173
Prata d'Ansidonia AQ 9 496 8669
Barisciano AQ 9 1828 10497
Fontecchio AQ 10 369 10866
L'Aquila AQ 11 69753 80619
San Pio delle Camere AQ 13 661 81280
Santo Stefano di Sessanio AQ 14 111 81391
Lucoli AQ 14 1011 82402
Tione degli Abruzzi AQ 14 310 82712
Caporciano AQ 14 230 82942
Carapelle Calvisio AQ 15 87 83029
Castelvecchio Calvisio AQ 16 153 83182
Calascio AQ 17 137 83319
Tornimparte AQ 17 3187 86506
Ovindoli AQ 17 1227 87733
Navelli AQ 20 554 88287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
55 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
95 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 1.8
ML 1.6
2009-04-07
02:22:13
42.284 13.503 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 764919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 02:22:13 ± 0.09
Latitude 42.2840 ± 0.0054
Longitude 13.5030 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 764919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 683
Semi-minor axis of confidence ellipse (meter) 552
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 764919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:06

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 764919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROM9.HHE. 2009-04-07T02:22:56.45 10.0 undecidable manual Pg 0 0 0
.INTR.HHZ. 2009-04-07T02:22:29.07 0.6 undecidable manual Sg 132 44.7219 0.748 38
IV.VVLD.HHN. 2009-04-07T02:22:28.85 0.6 undecidable manual Sg 168 47.0196 -0.072 46
.FIAM.HHE. 2009-04-07T02:22:24.65 0.6 undecidable manual Sg 267 31.746 -0.203 46
IV.PTQR.SHZ. 2009-04-07T02:22:24.23 0.1 undecidable manual Sg 196 30.2475 -0.222 93
IV.VCEL.EHN. 2009-04-07T02:22:23.84 0.3 undecidable manual Sg 66 30.2475 -0.625 62
.CAMP.---. 2009-04-07T02:22:23.88 0.6 undecidable manual Sg 345 29.0487 -0.249 46
IV.VVLD.HHN. 2009-04-07T02:22:22.38 0.3 undecidable manual Pg 168 47.0196 -0.137 69
.INTR.HHZ. 2009-04-07T02:22:22.61 0.1 undecidable manual Pg 132 44.7219 0.44 86
.TERO.---. 2009-04-07T02:22:21.20 0.1 undecidable manual Pg 12 38.5281 -0.013 95
.FIAM.HHE. 2009-04-07T02:22:20.10 0.1 undecidable manual Pg 267 31.746 -0.068 95
IV.VCEL.EHN. 2009-04-07T02:22:20.45 0.3 undecidable manual Pg 66 30.2475 0.507 65
.CAMP.---. 2009-04-07T02:22:19.80 0.1 undecidable manual Pg 345 29.0487 0.051 96
IV.PTQR.SHZ. 2009-04-07T02:22:19.91 0.3 undecidable manual Pg 196 30.2475 -0.026 72
.AQU.HHZ. 2009-04-07T02:22:19.24 0.3 undecidable manual Sg 313 11.3775 0.13 73
.FAGN.HHE. 2009-04-07T02:22:17.54 0.3 undecidable manual Sg 107 6.8931 -0.547 67
.AQU.HHZ. 2009-04-07T02:22:17.07 0.1 undecidable manual Pg 313 11.3775 0.219 96
.FAGN.HHE. 2009-04-07T02:22:16.30 0.1 undecidable manual Pg 107 6.8931 0.039 100
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