ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 2.3 on date 16-02-1985 and time 01:19:58 (Italy) in region 3 km NW Lioni (AV)

A magnitude Md 2.3 earthquake occured in region: 3 km NW Lioni (AV), on

  • 16-02-1985 00:19:58 (UTC)
  • 16-02-1985 01:19:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.89, 15.16 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
Lioni AV 3 6201 6201
Sant'Angelo dei Lombardi AV 4 4250 10451
Nusco AV 7 4203 14654
Rocca San Felice AV 7 851 15505
Torella dei Lombardi AV 7 2144 17649
Morra De Sanctis AV 8 1297 18946
Guardia Lombardi AV 8 1718 20664
Teora AV 9 1537 22201
Caposele AV 10 3483 25684
Bagnoli Irpino AV 10 3217 28901
Villamaina AV 11 995 29896
Castelfranci AV 11 2041 31937
Cassano Irpino AV 12 982 32919
Calabritto AV 13 2391 35310
Montella AV 13 7780 43090
Andretta AV 14 1927 45017
Montemarano AV 14 2851 47868
Paternopoli AV 14 2384 50252
Frigento AV 15 3780 54032
Conza della Campania AV 15 1373 55405
Gesualdo AV 15 3516 58921
Sturno AV 15 3080 62001
Castelvetere sul Calore AV 16 1615 63616
Castelnuovo di Conza SA 16 619 64235
Carife AV 16 1408 65643
Santomenna SA 16 443 66086
Laviano SA 17 1438 67524
Senerchia AV 17 842 68366
Cairano AV 18 326 68692
Castel Baronia AV 18 1129 69821
San Mango sul Calore AV 18 1185 71006
Luogosano AV 18 1187 72193
Vallata AV 18 2714 74907
Sant'Andrea di Conza AV 18 1539 76446
Trevico AV 19 993 77439
Fontanarosa AV 19 3170 80609
Acerno SA 19 2783 83392
Valva SA 19 1643 85035
San Nicola Baronia AV 19 771 85806
Sant'Angelo all'Esca AV 19 801 86607
San Sossio Baronia AV 20 1643 88250

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Avellino (54857 inhabitants)
35 Km NE of Battipaglia (50786 inhabitants)
41 Km NE of Salerno (135261 inhabitants)
42 Km SE of Benevento (60091 inhabitants)
44 Km E of Cava de' Tirreni (53659 inhabitants)
56 Km E of Scafati (50787 inhabitants)
61 Km W of Potenza (67122 inhabitants)
61 Km E of Castellammare di Stabia (66466 inhabitants)
67 Km E of Acerra (59573 inhabitants)
68 Km E of Torre del Greco (86275 inhabitants)
68 Km E of Portici (55274 inhabitants)
69 Km E of Ercolano (53709 inhabitants)
71 Km SW of Foggia (151991 inhabitants)
72 Km E of Afragola (65057 inhabitants)
73 Km E of Caserta (76326 inhabitants)
73 Km E of Casoria (77642 inhabitants)
75 Km SW of Cerignola (58396 inhabitants)
77 Km E of Napoli (974074 inhabitants)
81 Km E of Aversa (53047 inhabitants)
81 Km E of Giugliano in Campania (122974 inhabitants)
82 Km E of Marano di Napoli (59874 inhabitants)
90 Km E of Pozzuoli (81661 inhabitants)
91 Km S of San Severo (53905 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 2.3 1985-02-16
00:19:58
40.89 15.16 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 1799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-16 00:19:58 ± 0.108
Latitude 40.89 ± 0.01
Longitude 15.16 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1799

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) 1402.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00308
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1985-02-16T00:20:11.50 10.0 undecidable manual SG 161 0.0031 0.29 0
--.BS1.Z. 1985-02-16T00:20:09.00 10.0 undecidable manual SG 245 0.0025 -0.08 0.5
--.SGO.Z. 1985-02-16T00:20:05.50 10.0 undecidable manual PG 161 0.0031 -0.18 0.3
--.BS1.Z. 1985-02-16T00:20:04.50 10.0 negative manual PG 245 0.0025 0.05 2
--.TR9.Z. 1985-02-16T00:20:02.30 10.0 negative manual PG 17 0.0015 0.01 2.2
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