Earthquake with magnitude of Md 2.1 on date 27-04-1985 and time 04:54:04 (Italy) in region 3 km E Lioni (AV)

A magnitude Md 2.1 earthquake occured in region: 3 km E Lioni (AV), on

  • 27-04-1985 02:54:04 (UTC)
  • 27-04-1985 04:54:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8860, 15.2280 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
Teora AV 4 1537 7738
Morra De Sanctis AV 5 1297 9035
Sant'Angelo dei Lombardi AV 6 4250 13285
Guardia Lombardi AV 8 1718 15003
Caposele AV 8 3483 18486
Rocca San Felice AV 9 851 19337
Andretta AV 10 1927 21264
Conza della Campania AV 10 1373 22637
Castelnuovo di Conza SA 11 619 23256
Calabritto AV 11 2391 25647
Torella dei Lombardi AV 11 2144 27791
Santomenna SA 12 443 28234
Nusco AV 12 4203 32437
Cairano AV 12 326 32763
Laviano SA 13 1438 34201
Sant'Andrea di Conza AV 13 1539 35740
Bagnoli Irpino AV 15 3217 38957
Villamaina AV 15 995 39952
Pescopagano PZ 15 1910 41862
Carife AV 16 1408 43270
Senerchia AV 16 842 44112
Castelfranci AV 16 2041 46153
Valva SA 17 1643 47796
Cassano Irpino AV 17 982 48778
Vallata AV 17 2714 51492
Frigento AV 18 3780 55272
Calitri AV 18 4666 59938
Sturno AV 18 3080 63018
Trevico AV 18 993 64011
Montella AV 18 7780 71791
Castel Baronia AV 18 1129 72920
Colliano SA 19 3638 76558
Paternopoli AV 19 2384 78942
Gesualdo AV 19 3516 82458
Bisaccia AV 19 3831 86289
San Nicola Baronia AV 20 771 87060
Montemarano AV 20 2851 89911
Vallesaccarda AV 20 1386 91297

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Avellino (54857 inhabitants)
37 Km NE of Battipaglia (50786 inhabitants)
46 Km NE of Salerno (135261 inhabitants)
46 Km SE of Benevento (60091 inhabitants)
48 Km E of Cava de' Tirreni (53659 inhabitants)
56 Km NW of Potenza (67122 inhabitants)
61 Km E of Scafati (50787 inhabitants)
66 Km E of Castellammare di Stabia (66466 inhabitants)
69 Km SW of Foggia (151991 inhabitants)
71 Km SW of Cerignola (58396 inhabitants)
72 Km E of Acerra (59573 inhabitants)
73 Km E of Torre del Greco (86275 inhabitants)
74 Km E of Portici (55274 inhabitants)
75 Km E of Ercolano (53709 inhabitants)
77 Km E of Afragola (65057 inhabitants)
78 Km E of Caserta (76326 inhabitants)
79 Km E of Casoria (77642 inhabitants)
82 Km E of Napoli (974074 inhabitants)
86 Km E of Aversa (53047 inhabitants)
86 Km E of Giugliano in Campania (122974 inhabitants)
87 Km E of Marano di Napoli (59874 inhabitants)
90 Km S of San Severo (53905 inhabitants)
96 Km E of Pozzuoli (81661 inhabitants)
97 Km W of Andria (100440 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 2.1 1985-04-27
02:54:04
40.886 15.228 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-27 02:54:04 ± 0.187
Latitude 40.8860 ± 0.0097
Longitude 15.2280 ± 0.0182
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5549

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) 1872.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00729
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 5549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGG.Z. 1985-04-27T02:54:21.50 10.0 undecidable manual PG 308 0.8103 0.7 0.3
--.SOR.Z. 1985-04-27T02:54:18.70 10.0 undecidable manual PG 246 0.7326 -0.8 0.2
--.BS1.Z. 1985-04-27T02:54:17.00 10.0 undecidable manual SG 249 0.3219 -0.02 0.9
--.SGO.Z. 1985-04-27T02:54:17.50 10.0 undecidable manual SG 169 0.3219 0.26 0.5
--.SGO.Z. 1985-04-27T02:54:12.00 10.0 undecidable manual PG 169 0.3219 0.08 1.4
--.BS1.Z. 1985-04-27T02:54:12.00 10.0 undecidable manual PG 249 0.3219 0.21 1.3
--.TR9.Z. 1985-04-27T02:54:08.50 10.0 positive manual PG 0 0.1554 -0.22 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download