Earthquake with magnitude of Md 2.8 on date 05-04-1985 and time 00:16:48 (Italy) in region 5 km NE Picinisco (FR)

A magnitude Md 2.8 earthquake occured in region: 5 km NE Picinisco (FR), on

  • 04-04-1985 22:16:48 (UTC)
  • 05-04-1985 00:16:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.68, 13.92 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
Picinisco FR 5 1218 1218
Settefrati FR 6 728 1946
San Biagio Saracinisco FR 7 349 2295
San Donato Val di Comino FR 9 2107 4402
Villa Latina FR 10 1241 5643
Pizzone IS 10 329 5972
Gallinaro FR 10 1269 7241
Civitella Alfedena AQ 10 296 7537
Barrea AQ 11 726 8263
Villetta Barrea AQ 11 653 8916
Atina FR 12 4316 13232
Alfedena AQ 12 864 14096
Castel San Vincenzo IS 12 516 14612
Scontrone AQ 13 574 15186
Montenero Val Cocchiara IS 13 538 15724
Scapoli IS 13 680 16404
Opi AQ 14 420 16824
Vallerotonda FR 14 1581 18405
Belmonte Castello FR 14 739 19144
Alvito FR 15 2713 21857
Acquafondata FR 15 263 22120
Rocchetta a Volturno IS 15 1113 23233
Cerro al Volturno IS 16 1281 24514
Sant'Elia Fiumerapido FR 16 6166 30680
Casalattico FR 17 574 31254
Viticuso FR 17 353 31607
Colli a Volturno IS 18 1349 32956
Vicalvi FR 18 783 33739
Casalvieri FR 18 2698 36437
Terelle FR 18 422 36859
Pescasseroli AQ 18 2203 39062
Filignano IS 19 648 39710
Posta Fibreno FR 19 1139 40849
Rionero Sannitico IS 19 1118 41967
Acquaviva d'Isernia IS 19 425 42392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km NW of Caserta (76326 inhabitants)
78 Km S of Chieti (51815 inhabitants)
82 Km N of Aversa (53047 inhabitants)
86 Km N of Giugliano in Campania (122974 inhabitants)
87 Km SE of L'Aquila (69753 inhabitants)
88 Km E of Latina (125985 inhabitants)
89 Km N of Marano di Napoli (59874 inhabitants)
90 Km NW of Acerra (59573 inhabitants)
90 Km NW of Afragola (65057 inhabitants)
91 Km NW of Casoria (77642 inhabitants)
91 Km S of Pescara (121014 inhabitants)
93 Km N of Pozzuoli (81661 inhabitants)
94 Km NW of Benevento (60091 inhabitants)
95 Km E of Velletri (53303 inhabitants)
95 Km S of Montesilvano (53738 inhabitants)
97 Km N of Napoli (974074 inhabitants)
98 Km E of Tivoli (56533 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
Rev 1000 Md 2.8 1985-04-04
22:16:48
41.68 13.92 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-04 22:16:48 ± 0.342
Latitude 41.68 ± 0.04
Longitude 13.92 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4059

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) 5088.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01044
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 4059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1985-04-04T22:17:27.00 10.0 undecidable manual SN 307 0.0104 0.48 0.4
--.PO9.Z. 1985-04-04T22:17:12.50 10.0 undecidable manual PN 321 0.0104 2.16 0.2
--.MNS.Z. 1985-04-04T22:17:11.00 10.0 undecidable manual PN 307 0.0104 0.57 1
--.DUI.Z. 1985-04-04T22:17:03.00 10.0 undecidable manual SG 92 0.0036 -0.28 0.7
--.MSC.Z. 1985-04-04T22:16:59.40 10.0 undecidable manual PG 175 0.0044 0.84 1.3
--.DUI.Z. 1985-04-04T22:16:57.00 10.0 undecidable manual PG 92 0.0036 -0.02 1.7
--.SGG.Z. 1985-04-04T22:16:57.40 10.0 undecidable manual PG 129 0.004 -0.48 1.5
--.SD1.Z. 1985-04-04T22:16:53.50 10.0 undecidable manual SG 291 0.0007 0.21 1
--.SD1.Z. 1985-04-04T22:16:49.50 10.0 undecidable manual PG 291 0.0007 -1.74 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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