ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 2.5 on date 03-01-1985 and time 00:46:16 (UTC) in region 6 km NE Picinisco (FR)

A magnitude Md 2.5 earthquake occured in region: 6 km NE Picinisco (FR), on

  • 03-01-1985 00:46:16 (UTC)
  • 03-01-1985 01:46:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.68, 13.93 at 6 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 6 1218 1218
Settefrati FR 7 728 1946
San Biagio Saracinisco FR 7 349 2295
Pizzone IS 9 329 2624
Civitella Alfedena AQ 10 296 2920
San Donato Val di Comino FR 10 2107 5027
Villa Latina FR 10 1241 6268
Barrea AQ 10 726 6994
Alfedena AQ 11 864 7858
Gallinaro FR 11 1269 9127
Villetta Barrea AQ 11 653 9780
Castel San Vincenzo IS 11 516 10296
Scontrone AQ 12 574 10870
Montenero Val Cocchiara IS 12 538 11408
Atina FR 13 4316 15724
Scapoli IS 13 680 16404
Vallerotonda FR 14 1581 17985
Rocchetta a Volturno IS 14 1113 19098
Opi AQ 14 420 19518
Cerro al Volturno IS 15 1281 20799
Belmonte Castello FR 15 739 21538
Acquafondata FR 15 263 21801
Alvito FR 16 2713 24514
Sant'Elia Fiumerapido FR 16 6166 30680
Colli a Volturno IS 17 1349 32029
Viticuso FR 17 353 32382
Rionero Sannitico IS 18 1118 33500
Filignano IS 18 648 34148
Casalattico FR 18 574 34722
Acquaviva d'Isernia IS 18 425 35147
Terelle FR 19 422 35569
Vicalvi FR 19 783 36352
Casalvieri FR 19 2698 39050
Pescasseroli AQ 19 2203 41253
Castel di Sangro AQ 19 6538 47791
Fornelli IS 19 1909 49700
Posta Fibreno FR 20 1139 50839
Montaquila IS 20 2456 53295

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)
89 Km E of Latina (125985 inhabitants)
89 Km N of Marano di Napoli (59874 inhabitants)
89 Km NW of Acerra (59573 inhabitants)
90 Km NW of Afragola (65057 inhabitants)
91 Km S of Pescara (121014 inhabitants)
91 Km NW of Casoria (77642 inhabitants)
93 Km N of Pozzuoli (81661 inhabitants)
93 Km NW of Benevento (60091 inhabitants)
95 Km S of Montesilvano (53738 inhabitants)
96 Km E of Velletri (53303 inhabitants)
97 Km N of Napoli (974074 inhabitants)
99 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 2.5 1985-01-03
00:46:16
41.68 13.93 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 29
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-03 00:46:16 ± 0.37
Latitude 41.68 ± 0.10
Longitude 13.93 ± 0.13
Depth (km) 6 ± 21 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29

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) 15173.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00437
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 29
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MSC.Z. 1985-01-03T00:46:27.80 10.0 undecidable manual PG 176 0.0044 0.26 0.6
--.SGG.Z. 1985-01-03T00:46:26.20 10.0 undecidable manual PG 130 0.004 -0.54 0.2
--.DUI.Z. 1985-01-03T00:46:26.00 10.0 undecidable manual PG 92 0.0035 0.18 0.9
--.SD1.Z. 1985-01-03T00:46:21.00 10.0 undecidable manual SG 289 0.0008 -0.23 0.6
--.SD1.Z. 1985-01-03T00:46:19.50 10.0 positive manual PG 289 0.0008 0.06 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download