Earthquake with magnitude of Md 2.9 on date 16-02-1985 and time 04:28:15 (UTC) in region 4 km SW Lioni (AV)

A magnitude Md 2.9 earthquake occured in region: 4 km SW Lioni (AV), on

  • 16-02-1985 04:28:15 (UTC)
  • 16-02-1985 05:28:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.86, 15.15 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 4 6201 6201
Nusco AV 6 4203 10404
Bagnoli Irpino AV 7 3217 13621
Caposele AV 8 3483 17104
Sant'Angelo dei Lombardi AV 8 4250 21354
Teora AV 9 1537 22891
Torella dei Lombardi AV 10 2144 25035
Calabritto AV 10 2391 27426
Cassano Irpino AV 10 982 28408
Rocca San Felice AV 11 851 29259
Montella AV 11 7780 37039
Morra De Sanctis AV 11 1297 38336
Castelfranci AV 12 2041 40377
Guardia Lombardi AV 12 1718 42095
Senerchia AV 14 842 42937
Villamaina AV 14 995 43932
Montemarano AV 14 2851 46783
Acerno SA 15 2783 49566
Castelnuovo di Conza SA 15 619 50185
Laviano SA 16 1438 51623
Santomenna SA 16 443 52066
Castelvetere sul Calore AV 16 1615 53681
Conza della Campania AV 16 1373 55054
Paternopoli AV 16 2384 57438
Valva SA 17 1643 59081
Andretta AV 17 1927 61008
Frigento AV 18 3780 64788
Gesualdo AV 18 3516 68304
San Mango sul Calore AV 19 1185 69489
Sturno AV 19 3080 72569
Sant'Andrea di Conza AV 19 1539 74108
Colliano SA 19 3638 77746
Volturara Irpina AV 19 3289 81035
Cairano AV 19 326 81361
Luogosano AV 20 1187 82548
Oliveto Citra SA 20 3802 86350
Carife AV 20 1408 87758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Avellino (54857 inhabitants)
31 Km NE of Battipaglia (50786 inhabitants)
38 Km NE of Salerno (135261 inhabitants)
41 Km E of Cava de' Tirreni (53659 inhabitants)
43 Km SE of Benevento (60091 inhabitants)
54 Km E of Scafati (50787 inhabitants)
59 Km E of Castellammare di Stabia (66466 inhabitants)
61 Km W of Potenza (67122 inhabitants)
66 Km E of Acerra (59573 inhabitants)
66 Km E of Torre del Greco (86275 inhabitants)
67 Km E of Portici (55274 inhabitants)
68 Km E of Ercolano (53709 inhabitants)
71 Km E of Afragola (65057 inhabitants)
72 Km E of Casoria (77642 inhabitants)
73 Km E of Caserta (76326 inhabitants)
75 Km SW of Foggia (151991 inhabitants)
75 Km E of Napoli (974074 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
80 Km E of Giugliano in Campania (122974 inhabitants)
80 Km E of Aversa (53047 inhabitants)
81 Km E of Marano di Napoli (59874 inhabitants)
89 Km E of Pozzuoli (81661 inhabitants)
94 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 2.9 1985-02-16
04:28:15
40.86 15.15 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 1809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-16 04:28:15 ± 0.285
Latitude 40.86 ± 0.02
Longitude 15.15 ± 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 1809

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) 3478.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.02137
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1809
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
--.PO9.Z. 1985-02-16T04:28:56.00 10.0 undecidable manual PN 317 0.0214 1.86 0.1
--.DUI.Z. 1985-02-16T04:28:50.00 10.0 undecidable manual SG 327 0.0086 2 0.1
--.SGG.Z. 1985-02-16T04:28:43.20 10.0 undecidable manual SG 312 0.007 0.66 0.5
--.BRT.Z. 1985-02-16T04:28:42.50 10.0 undecidable manual PN 88 0.0136 0.24 1
--.SD1.Z. 1985-02-16T04:28:40.00 10.0 undecidable manual PN 310 0.0118 0.42 1
--.BAI.Z. 1985-02-16T04:28:40.50 10.0 undecidable manual PN 78 0.0119 0.74 0.9
--.ORI.Z. 1985-02-16T04:28:39.50 10.0 undecidable manual PN 128 0.0114 0.52 1
--.DUI.Z. 1985-02-16T04:28:35.00 10.0 undecidable manual PG 327 0.0086 0.76 1
--.QR9.Z. 1985-02-16T04:28:31.50 10.0 undecidable manual PG 271 0.0068 0.92 0.9
--.SGG.Z. 1985-02-16T04:28:29.80 10.0 negative manual PG 312 0.007 -1.29 1.3
--.SGO.Z. 1985-02-16T04:28:28.80 10.0 undecidable manual SG 157 0.0028 1.13 0.5
--.OVO.Z. 1985-02-16T04:28:28.10 10.0 undecidable manual PG 267 0.0051 1.03 0.8
--.SOR.Z. 1985-02-16T04:28:27.50 10.0 undecidable manual PG 246 0.006 -1.53 0.4
--.SGO.Z. 1985-02-16T04:28:22.00 10.0 positive manual PG 157 0.0028 -0.5 2.5
--.BS1.Z. 1985-02-16T04:28:20.80 10.0 positive manual PG 251 0.0023 -0.54 2.4
--.TR9.Z. 1985-02-16T04:28:19.10 10.0 negative manual PG 18 0.0018 -1.15 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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