Earthquake with magnitude of Md 2.8 on date 04-04-1985 and time 16:49:24 (Italy) in region 2 km W Conca Casale (IS)

A magnitude Md 2.8 earthquake occured in region: 2 km W Conca Casale (IS), on

  • 04-04-1985 14:49:24 (UTC)
  • 04-04-1985 16:49:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.49, 13.99 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
Conca Casale IS 2 200 200
Viticuso FR 4 353 553
Venafro IS 5 11280 11833
San Vittore del Lazio FR 5 2636 14469
San Pietro Infine CE 6 944 15413
Acquafondata FR 6 263 15676
Pozzilli IS 7 2380 18056
Cervaro FR 7 8109 26165
Filignano IS 8 648 26813
Vallerotonda FR 9 1581 28394
Mignano Monte Lungo CE 10 3250 31644
Sesto Campano IS 11 2388 34032
Sant'Elia Fiumerapido FR 11 6166 40198
Cassino FR 13 36142 76340
Rocca d'Evandro CE 13 3283 79623
Montaquila IS 14 2456 82079
Capriati a Volturno CE 14 1541 83620
San Biagio Saracinisco FR 14 349 83969
Scapoli IS 15 680 84649
Presenzano CE 15 1766 86415
Ciorlano CE 15 426 86841
Sant'Ambrogio sul Garigliano FR 15 966 87807
Colli a Volturno IS 15 1349 89156
Monteroduni IS 16 2264 91420
Sant'Apollinare FR 17 1919 93339
Rocchetta a Volturno IS 17 1113 94452
Macchia d'Isernia IS 17 1035 95487
Fontegreca CE 17 811 96298
Galluccio CE 17 2154 98452
Tora e Piccilli CE 17 910 99362
Belmonte Castello FR 17 739 100101
Pignataro Interamna FR 18 2595 102696
Conca della Campania CE 18 1239 103935
Fornelli IS 18 1909 105844
Villa Santa Lucia FR 18 2632 108476
Villa Latina FR 18 1241 109717
Terelle FR 19 422 110139
Sant'Andrea del Garigliano FR 19 1505 111644
Pratella CE 19 1565 113209
Castel San Vincenzo IS 19 516 113725
Prata Sannita CE 19 1502 115227
Pizzone IS 20 329 115556
Piedimonte San Germano FR 20 6535 122091
Picinisco FR 20 1218 123309

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Caserta (76326 inhabitants)
61 Km NW of Aversa (53047 inhabitants)
65 Km N of Giugliano in Campania (122974 inhabitants)
68 Km N of Marano di Napoli (59874 inhabitants)
69 Km NW of Acerra (59573 inhabitants)
69 Km NW of Afragola (65057 inhabitants)
70 Km NW of Casoria (77642 inhabitants)
72 Km N of Pozzuoli (81661 inhabitants)
76 Km N of Napoli (974074 inhabitants)
78 Km NW of Benevento (60091 inhabitants)
81 Km NW of Portici (55274 inhabitants)
82 Km NW of Ercolano (53709 inhabitants)
85 Km NW of Torre del Greco (86275 inhabitants)
90 Km E of Latina (125985 inhabitants)
93 Km NW of Avellino (54857 inhabitants)
94 Km NW of Scafati (50787 inhabitants)
97 Km S of Chieti (51815 inhabitants)
98 Km NW of Castellammare di Stabia (66466 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
14:49:24
41.49 13.99 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-04 14:49:24 ± 1.086
Latitude 41.49 ± 0.08
Longitude 13.99 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4029

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) 9055.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 248
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) 1
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.0119
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 4029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AQU.Z. 1985-04-04T14:50:01.00 10.0 undecidable manual SG? 333 0.0087 3.41 0
--.PO9.Z. 1985-04-04T14:49:50.00 10.0 undecidable manual PN 324 0.0119 0.95 0.8
--.MNS.Z. 1985-04-04T14:49:49.50 10.0 undecidable manual PN 312 0.0118 0.61 1.1
--.AQU.Z. 1985-04-04T14:49:45.00 10.0 undecidable manual PG 333 0.0087 1.29 0.7
--.DUI.Z. 1985-04-04T14:49:40.00 10.0 undecidable manual SG 64 0.0035 0.89 0.5
--.SD1.Z. 1985-04-04T14:49:34.00 10.0 undecidable manual SG 328 0.0023 -0.78 0.8
--.DUI.Z. 1985-04-04T14:49:32.00 10.0 undecidable manual PG 64 0.0035 -1.03 1.1
--.SD1.Z. 1985-04-04T14:49:29.50 10.0 negative manual PG 328 0.0023 -1.03 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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