Earthquake with magnitude of Md 2.9 on date 31-03-1985 and time 12:27:23 (UTC) in region 1 km W Villa Latina (FR)

A magnitude Md 2.9 earthquake occured in region: 1 km W Villa Latina (FR), on

  • 31-03-1985 12:27:23 (UTC)
  • 31-03-1985 14:27:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.62, 13.83 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
Villa Latina FR 1 1241 1241
Atina FR 2 4316 5557
Belmonte Castello FR 5 739 6296
Picinisco FR 5 1218 7514
Gallinaro FR 5 1269 8783
Settefrati FR 6 728 9511
Terelle FR 8 422 9933
San Biagio Saracinisco FR 8 349 10282
Casalattico FR 9 574 10856
Sant'Elia Fiumerapido FR 9 6166 17022
Casalvieri FR 10 2698 19720
Vallerotonda FR 10 1581 21301
San Donato Val di Comino FR 10 2107 23408
Alvito FR 11 2713 26121
Vicalvi FR 12 783 26904
Villa Santa Lucia FR 13 2632 29536
Acquafondata FR 13 263 29799
Colle San Magno FR 13 699 30498
Cassino FR 14 36142 66640
Posta Fibreno FR 14 1139 67779
Fontechiari FR 14 1303 69082
Castrocielo FR 15 3965 73047
Piedimonte San Germano FR 15 6535 79582
Roccasecca FR 15 7365 86947
Viticuso FR 16 353 87300
Santopadre FR 16 1357 88657
Cervaro FR 16 8109 96766
Aquino FR 17 5370 102136
Opi AQ 18 420 102556
Pizzone IS 18 329 102885
Campoli Appennino FR 18 1725 104610
Arpino FR 18 7262 111872
Broccostella FR 19 2741 114613
Civitella Alfedena AQ 19 296 114909
Scapoli IS 19 680 115589
San Vittore del Lazio FR 19 2636 118225
Villetta Barrea AQ 20 653 118878
Colfelice FR 20 1932 120810

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km NW of Caserta (76326 inhabitants)
78 Km NW of Aversa (53047 inhabitants)
79 Km E of Latina (125985 inhabitants)
83 Km NW of Giugliano in Campania (122974 inhabitants)
85 Km NW of Marano di Napoli (59874 inhabitants)
86 Km SW of Chieti (51815 inhabitants)
87 Km NW of Afragola (65057 inhabitants)
87 Km NW of Acerra (59573 inhabitants)
88 Km E of Velletri (53303 inhabitants)
88 Km NW of Casoria (77642 inhabitants)
88 Km N of Pozzuoli (81661 inhabitants)
89 Km SE of L'Aquila (69753 inhabitants)
93 Km NW of Napoli (974074 inhabitants)
94 Km E of Tivoli (56533 inhabitants)
96 Km NW of Benevento (60091 inhabitants)
98 Km E of Aprilia (73446 inhabitants)
99 Km NW of Portici (55274 inhabitants)
100 Km SW of Pescara (121014 inhabitants)
100 Km NW of Ercolano (53709 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 2.9 1985-03-31
12:27:23
41.62 13.83 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3829
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-31 12:27:23 ± 0.725
Latitude 41.62 ± 0.05
Longitude 13.83 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3829

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) 7360.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01789
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 3829
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AR1.Z. 1985-03-31T12:27:57.00 10.0 undecidable manual PN 341 0.0179 0.61 0.8
--.AS1.Z. 1985-03-31T12:27:51.50 10.0 undecidable manual PN 329 0.0151 -0.71 0.8
--.PO9.Z. 1985-03-31T12:27:46.50 10.0 undecidable manual PN 325 0.0104 1.49 0.3
--.MNS.Z. 1985-03-31T12:27:44.00 10.0 undecidable manual PN 312 0.0103 -0.82 0.9
--.AQU.Z. 1985-03-31T12:27:40.00 10.0 undecidable manual PG 336 0.0072 1.02 0.8
--.DUI.Z. 1985-03-31T12:27:33.00 10.0 undecidable manual PG 84 0.0042 0.12 1.6
--.SD1.Z. 1985-03-31T12:27:28.00 10.0 undecidable manual SG 351 0.0008 0.02 1
--.SD1.Z. 1985-03-31T12:27:25.00 10.0 negative manual PG 351 0.0008 -0.89 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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