Earthquake with magnitude of ML 1.5 on date 07-08-2009 and time 00:46:20 (UTC) in region 2 km SW Balsorano (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Balsorano (AQ), on

  • 07-08-2009 00:46:20 (UTC)
  • 07-08-2009 02:46:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7940, 13.5400 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
Balsorano AQ 2 3569 3569
San Vincenzo Valle Roveto AQ 5 2347 5916
Sora FR 10 26144 32060
Morino AQ 11 1448 33508
Pescosolido FR 11 1555 35063
Villavallelonga AQ 11 919 35982
Collelongo AQ 11 1233 37215
Civita d'Antino AQ 12 979 38194
Broccostella FR 13 2741 40935
Castelliri FR 13 3454 44389
Isola del Liri FR 13 11715 56104
Campoli Appennino FR 13 1725 57829
Collepardo FR 15 968 58797
Veroli FR 15 20560 79357
Vico nel Lazio FR 17 2234 81591
Civitella Roveto AQ 17 3268 84859
Posta Fibreno FR 17 1139 85998
Monte San Giovanni Campano FR 17 12929 98927
Arpino FR 17 7262 106189
Boville Ernica FR 18 8737 114926
Fontechiari FR 18 1303 116229
Alatri FR 18 28952 145181
Trasacco AQ 18 6246 151427
Guarcino FR 19 1623 153050
Vicalvi FR 19 783 153833
Canistro AQ 20 995 154828
Luco dei Marsi AQ 20 6079 160907
Lecce nei Marsi AQ 20 1702 162609
Ortucchio AQ 20 1860 164469

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km S of L'Aquila (69753 inhabitants)
64 Km NE of Latina (125985 inhabitants)
64 Km E of Tivoli (56533 inhabitants)
64 Km E of Velletri (53303 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Aprilia (73446 inhabitants)
81 Km SW of Chieti (51815 inhabitants)
85 Km E of Anzio (54211 inhabitants)
87 Km E of Pomezia (62966 inhabitants)
88 Km E of Roma (2864731 inhabitants)
93 Km SW of Pescara (121014 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
97 Km S of Teramo (54892 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 2.1
ML 1.5
2009-08-07
00:46:20
41.794 13.54 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 943899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-07 00:46:20 ± 0.06
Latitude 41.7940 ± 0.0036
Longitude 13.5400 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 943899

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47214
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 943899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:00:11

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 943899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:00:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PESA.HHN. 2009-08-07T00:46:56.72 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2009-08-07T00:46:51.08 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2009-08-07T00:46:51.34 10.0 undecidable manual Pg 0 0 0
IV.RDP.HHE. 2009-08-07T00:46:43.02 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2009-08-07T00:46:36.99 0.1 undecidable manual Sg 4 52.4031 -0.136 91
IV.CERT.HHE. 2009-08-07T00:46:36.38 0.6 undecidable manual Sg 291 49.2174 0.111 46
IV.INTR.HHZ. 2009-08-07T00:46:33.38 0.1 undecidable manual Sg 51 38.5281 -0.049 95
IV.GIUL.HHE. 2009-08-07T00:46:32.50 0.1 undecidable manual Sg 222 35.2425 -0.056 95
IV.PTQR.SHZ. 2009-08-07T00:46:30.64 0.1 undecidable manual Sg 336 27.75 0.29 92
IV.FAGN.HHN. 2009-08-07T00:46:30.56 0.1 undecidable manual Pg 4 52.4031 0.576 81
IV.CERT.HHE. 2009-08-07T00:46:29.09 0.3 undecidable manual Pg 291 49.2174 -0.399 65
IV.CERA.HHN. 2009-08-07T00:46:29.01 0.6 undecidable manual Pg 119 45.2214 0.133 46
IV.SDI.SHZ. 2009-08-07T00:46:28.94 0.1 undecidable manual Sg 113 24.2535 -0.278 92
IV.GIUL.HHE. 2009-08-07T00:46:27.35 0.1 undecidable manual Pg 222 35.2425 0.005 96
IV.INTR.HHZ. 2009-08-07T00:46:27.70 0.1 undecidable manual Pg 51 38.5281 -0.149 93
IV.POFI.HHN. 2009-08-07T00:46:27.19 0.1 undecidable manual Sg 121 16.5723 0.404 91
IV.GUAR.HHN. 2009-08-07T00:46:27.33 0.1 undecidable manual Sg 270 18.87 -0.143 96
IV.PTQR.SHZ. 2009-08-07T00:46:26.10 0.1 undecidable manual Pg 336 27.75 0.029 97
IV.SDI.SHZ. 2009-08-07T00:46:25.34 0.1 undecidable manual Pg 113 24.2535 -0.078 96
IV.POFI.HHN. 2009-08-07T00:46:24.18 0.1 undecidable manual Pg 121 16.5723 0.166 96
IV.GUAR.HHN. 2009-08-07T00:46:24.41 0.1 undecidable manual Pg 270 18.87 -0.001 99
IV.VVLD.HHE. 2009-08-07T00:46:24.79 0.1 undecidable manual Sg 39 10.7781 -0.328 94
IV.VVLD.HHE. 2009-08-07T00:46:23.04 0.1 undecidable manual Pg 39 10.7781 -0.011 100
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