Earthquake with magnitude of ML 2.0 on date 12-02-2009 and time 20:33:48 (Italy) in region 2 km N Balsorano (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km N Balsorano (AQ), on

  • 12-02-2009 19:33:48 (UTC)
  • 12-02-2009 20:33:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8270, 13.5630 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
Balsorano AQ 3 3569 3569
San Vincenzo Valle Roveto AQ 3 2347 5916
Collelongo AQ 7 1233 7149
Villavallelonga AQ 7 919 8068
Morino AQ 10 1448 9516
Civita d'Antino AQ 10 979 10495
Pescosolido FR 12 1555 12050
Sora FR 13 26144 38194
Campoli Appennino FR 14 1725 39919
Trasacco AQ 15 6246 46165
Broccostella FR 15 2741 48906
Civitella Roveto AQ 15 3268 52174
Lecce nei Marsi AQ 16 1702 53876
Ortucchio AQ 16 1860 55736
Castelliri FR 16 3454 59190
Isola del Liri FR 16 11715 70905
Luco dei Marsi AQ 17 6079 76984
Collepardo FR 18 968 77952
Canistro AQ 18 995 78947
Gioia dei Marsi AQ 18 1989 80936
Posta Fibreno FR 19 1139 82075
Pescasseroli AQ 19 2203 84278
Vico nel Lazio FR 19 2234 86512
Veroli FR 19 20560 107072
Bisegna AQ 19 223 107295
Fontechiari FR 20 1303 108598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km S of L'Aquila (69753 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
67 Km E of Velletri (53303 inhabitants)
68 Km NE of Latina (125985 inhabitants)
72 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km SW of Chieti (51815 inhabitants)
80 Km E of Aprilia (73446 inhabitants)
88 Km E of Anzio (54211 inhabitants)
89 Km SW of Pescara (121014 inhabitants)
90 Km E of Roma (2864731 inhabitants)
90 Km E of Pomezia (62966 inhabitants)
91 Km SW of Montesilvano (53738 inhabitants)
93 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 2.0
2009-02-12
19:33:48
41.827 13.563 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 743279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-12 19:33:48 ± 0.08
Latitude 41.8270 ± 0.0063
Longitude 13.5630 ± 0.0048
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 743279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 743279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:25

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 743279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHE. 2009-02-12T19:34:04.99 0.1 undecidable manual Sg 286 49.9167 -0.229 91
IV.SBPO.HHZ. 2009-02-12T19:34:02.76 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHN. 2009-02-12T19:34:01.09 0.1 undecidable manual Sg 54 34.743 -0.095 96
IV.LPEL.HHN. 2009-02-12T19:33:59.93 0.1 undecidable manual Pg 64 56.5989 0.578 82
IV.CERT.HHE. 2009-02-12T19:33:58.15 0.1 undecidable manual Pg 286 49.9167 -0.165 92
IV.FAGN.HHE. 2009-02-12T19:33:58.07 0.1 undecidable manual Pg 2 48.618 -0.051 94
IV.CERA.HHN. 2009-02-12T19:33:57.64 0.1 undecidable manual Pg 124 45.4212 0.01 96
IV.SDI.SHZ. 2009-02-12T19:33:57.33 0.1 undecidable manual Sg 122 24.2535 -0.466 90
IV.GUAR.HHZ. 2009-02-12T19:33:56.80 0.1 undecidable manual Sg 260 21.0678 0.033 99
IV.POFI.HHZ. 2009-02-12T19:33:55.99 0.1 undecidable manual Sg 135 17.2716 0.422 92
IV.INTR.HHN. 2009-02-12T19:33:55.95 0.1 undecidable manual Pg 54 34.743 -0.032 97
IV.PTQR.SHZ. 2009-02-12T19:33:54.69 0.1 undecidable manual Pg 328 25.4523 0.441 91
IV.SDI.SHZ. 2009-02-12T19:33:53.88 0.1 undecidable manual Pg 122 24.2535 -0.142 97
IV.GUAR.HHZ. 2009-02-12T19:33:53.36 0.1 undecidable manual Pg 260 21.0678 -0.07 99
IV.POFI.HHZ. 2009-02-12T19:33:52.84 0.1 undecidable manual Pg 135 17.2716 0.103 99
IV.VVLD.HHZ. 2009-02-12T19:33:52.31 0.1 undecidable manual Sg 46 6.7932 -0.343 95
IV.VVLD.HHZ. 2009-02-12T19:33:51.18 0.1 positive manual Pg 46 6.7932 0.122 100
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
Waveforms Seismic signals in miniseed + resp format Download