Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 16-02-2005 and time 13:54:42 (Italy) in region 2 km NW Posta Fibreno (FR)

A magnitude Md 2.5 earthquake occured in region: 2 km NW Posta Fibreno (FR), on

  • 16-02-2005 12:54:42 (UTC)
  • 16-02-2005 13:54:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7070, 13.6830 at 4 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Posta Fibreno FR 2 1139 1139
Campoli Appennino FR 4 1725 2864
Vicalvi FR 4 783 3647
Broccostella FR 4 2741 6388
Fontechiari FR 4 1303 7691
Pescosolido FR 5 1555 9246
Alvito FR 5 2713 11959
Sora FR 6 26144 38103
Casalvieri FR 9 2698 40801
Arpino FR 9 7262 48063
Isola del Liri FR 9 11715 59778
Casalattico FR 10 574 60352
San Donato Val di Comino FR 11 2107 62459
Gallinaro FR 11 1269 63728
Castelliri FR 11 3454 67182
Santopadre FR 12 1357 68539
Atina FR 14 4316 72855
Pescasseroli AQ 15 2203 75058
Settefrati FR 15 728 75786
Opi AQ 15 420 76206
Balsorano AQ 15 3569 79775
Fontana Liri FR 15 2953 82728
Rocca d'Arce FR 16 959 83687
Monte San Giovanni Campano FR 16 12929 96616
Arce FR 16 5756 102372
Villa Latina FR 17 1241 103613
Picinisco FR 17 1218 104831
Roccasecca FR 17 7365 112196
Colle San Magno FR 17 699 112895
Belmonte Castello FR 18 739 113634
Colfelice FR 18 1932 115566
Villavallelonga AQ 19 919 116485
Terelle FR 19 422 116907
Boville Ernica FR 19 8737 125644
San Vincenzo Valle Roveto AQ 19 2347 127991
Castrocielo FR 20 3965 131956
Strangolagalli FR 20 2491 134447

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km E of Latina (125985 inhabitants)
75 Km E of Velletri (53303 inhabitants)
76 Km SE of L'Aquila (69753 inhabitants)
79 Km E of Tivoli (56533 inhabitants)
82 Km SW of Chieti (51815 inhabitants)
86 Km E of Guidonia Montecelio (88673 inhabitants)
87 Km E of Aprilia (73446 inhabitants)
89 Km NW of Caserta (76326 inhabitants)
92 Km E of Anzio (54211 inhabitants)
93 Km NW of Aversa (53047 inhabitants)
95 Km SW of Pescara (121014 inhabitants)
97 Km NW of Giugliano in Campania (122974 inhabitants)
98 Km SW of Montesilvano (53738 inhabitants)
98 Km E of Pomezia (62966 inhabitants)
99 Km NW of Marano di Napoli (59874 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 2.5
ML-VAX 2.0 		2005-02-16
12:54:42		 41.707 13.683 4 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 511919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-02-16 12:54:42 ± 0.151
Latitude 41.7070 ± 0.0116
Longitude 13.6830 ± 0.0130
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 511919

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1681.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01077
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 511919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:11:05

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 511919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.NRCA.Z. 2005-02-16T12:55:05.94 10.0 undecidable manual PN 339 1.1988 0.27 0.6
--.MNS.Z. 2005-02-16T12:55:02.34 10.0 undecidable manual PG 312 0.999 -0.25 0.8
--.PTQR.Z. 2005-02-16T12:54:56.36 10.0 undecidable manual SG 326 0.3774 -0.45 0.3
--.GUAR.N. 2005-02-16T12:54:54.26 10.0 undecidable manual SG 287 0.2886 0.85 0
--.RFI.Z. 2005-02-16T12:54:52.35 10.0 undecidable manual PG 150 0.4551 -0.19 1.4
--.CII.Z. 2005-02-16T12:54:52.86 10.0 undecidable manual PG 87 0.4551 0.31 1
--.PTQR.Z. 2005-02-16T12:54:49.94 10.0 undecidable manual PG 326 0.3774 -0.68 0.2
--.VVLD.E. 2005-02-16T12:54:49.19 10.0 undecidable manual SG 344 0.1665 0.43 0.3
--.GUAR.Z. 2005-02-16T12:54:48.69 10.0 undecidable manual PG 287 0.2886 0.03 1.6
--.VVLD.Z. 2005-02-16T12:54:46.10 10.0 undecidable manual PG 344 0.1665 0.13 1.5
--.SDI.Z. 2005-02-16T12:54:44.37 10.0 positive manual PG 88 0.0888 -0.06 3.2
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