Earthquake with magnitude of Md 3.2 on date 30-08-1985 and time 20:12:58 (UTC) in region W Vicalvi (FR)

A magnitude Md 3.2 earthquake occured in region: W Vicalvi (FR), on

  • 30-08-1985 20:12:58 (UTC)
  • 30-08-1985 22:12:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.68, 13.7 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
Vicalvi FR 0 783 783
Posta Fibreno FR 2 1139 1922
Fontechiari FR 2 1303 3225
Alvito FR 4 2713 5938
Casalvieri FR 5 2698 8636
Broccostella FR 6 2741 11377
Casalattico FR 7 574 11951
Campoli Appennino FR 7 1725 13676
Arpino FR 8 7262 20938
Gallinaro FR 8 1269 22207
Sora FR 9 26144 48351
Pescosolido FR 9 1555 49906
San Donato Val di Comino FR 10 2107 52013
Santopadre FR 10 1357 53370
Isola del Liri FR 11 11715 65085
Atina FR 11 4316 69401
Settefrati FR 12 728 70129
Castelliri FR 13 3454 73583
Villa Latina FR 13 1241 74824
Rocca d'Arce FR 14 959 75783
Picinisco FR 14 1218 77001
Roccasecca FR 14 7365 84366
Colle San Magno FR 14 699 85065
Belmonte Castello FR 14 739 85804
Fontana Liri FR 15 2953 88757
Arce FR 15 5756 94513
Terelle FR 15 422 94935
Opi AQ 16 420 95355
Colfelice FR 16 1932 97287
Monte San Giovanni Campano FR 16 12929 110216
Castrocielo FR 16 3965 114181
Pescasseroli AQ 16 2203 116384
Balsorano AQ 18 3569 119953
Strangolagalli FR 19 2491 122444
Boville Ernica FR 20 8737 131181
Villa Santa Lucia FR 20 2632 133813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km E of Latina (125985 inhabitants)
77 Km E of Velletri (53303 inhabitants)
79 Km SE of L'Aquila (69753 inhabitants)
81 Km E of Tivoli (56533 inhabitants)
84 Km SW of Chieti (51815 inhabitants)
85 Km NW of Caserta (76326 inhabitants)
88 Km E of Aprilia (73446 inhabitants)
88 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km NW of Aversa (53047 inhabitants)
93 Km E of Anzio (54211 inhabitants)
93 Km NW of Giugliano in Campania (122974 inhabitants)
96 Km NW of Marano di Napoli (59874 inhabitants)
97 Km SW of Pescara (121014 inhabitants)
98 Km NW of Pozzuoli (81661 inhabitants)
98 Km NW of Afragola (65057 inhabitants)
99 Km NW of Acerra (59573 inhabitants)
99 Km NW of Casoria (77642 inhabitants)
100 Km E of Pomezia (62966 inhabitants)
100 Km SW of Montesilvano (53738 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 3.2 1985-08-30
20:12:58
41.68 13.7 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 12459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-30 20:12:58 ± 0.275
Latitude 41.68 ± 0.02
Longitude 13.70 ± 0.02
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 12459

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) 2644.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.0446
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 12459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FO1.Z. 1985-08-30T20:14:11.00 10.0 undecidable manual PN 352 0.0446 -1.57 0
--.CTI.Z. 1985-08-30T20:14:07.50 10.0 undecidable manual PN 342 0.0414 -0.32 0.6
--.AR1.Z. 1985-08-30T20:13:31.00 10.0 undecidable manual PN 343 0.0171 0.34 2.1
--.AM1.Z. 1985-08-30T20:13:29.70 10.0 undecidable manual PN? 357 0.0168 -0.53 0.4
--.SGO.Z. 1985-08-30T20:13:27.50 10.0 undecidable manual PN 132 0.0148 0.34 1.2
--.AS1.Z. 1985-08-30T20:13:27.50 10.0 undecidable manual PN 331 0.0142 1.2 0.2
--.CM2.Z. 1985-08-30T20:13:26.50 10.0 undecidable manual PN 344 0.0141 0.44 1.1
--.RDP.Z. 1985-08-30T20:13:25.00 10.0 undecidable manual SG 276 0.0066 0.81 0.4
--.TR9.Z. 1985-08-30T20:13:23.10 10.0 undecidable manual PN 118 0.0117 0.59 0.9
--.AQU.Z. 1985-08-30T20:13:23.00 10.0 undecidable manual SG 341 0.0063 -0.24 0.8
--.SOR.Z. 1985-08-30T20:13:20.50 10.0 undecidable manual PN 156 0.0107 -0.46 1.1
--.SGG.Z. 1985-08-30T20:13:19.90 10.0 undecidable manual SG 119 0.0053 0.67 0.3
--.MNS.Z. 1985-08-30T20:13:18.00 10.0 undecidable manual PG 313 0.0093 -0.71 0.8
--.RDP.Z. 1985-08-30T20:13:13.00 10.0 positive manual PG 276 0.0066 -0.23 2.6
--.AQU.Z. 1985-08-30T20:13:13.00 10.0 undecidable manual PG 341 0.0063 0.31 1.2
--.SGG.Z. 1985-08-30T20:13:09.40 10.0 undecidable manual PG 119 0.0053 -0.97 0.5
--.SD1.Z. 1985-08-30T20:13:01.00 10.0 positive manual PG 69 0.0007 0.16 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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