Earthquake with magnitude of Md 2.1 on date 24-04-1985 and time 12:43:39 (Italy) in region 5 km E Laviano (SA)

A magnitude Md 2.1 earthquake occured in region: 5 km E Laviano (SA), on

  • 24-04-1985 10:43:39 (UTC)
  • 24-04-1985 12:43:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.77, 15.36 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
Laviano SA 5 1438 1438
Santomenna SA 6 443 1881
Castelgrande PZ 6 943 2824
Castelnuovo di Conza SA 7 619 3443
Colliano SA 8 3638 7081
Pescopagano PZ 8 1910 8991
Valva SA 8 1643 10634
Sant'Andrea di Conza AV 9 1539 12173
Conza della Campania AV 10 1373 13546
Muro Lucano PZ 10 5497 19043
Calabritto AV 12 2391 21434
Caposele AV 13 3483 24917
San Gregorio Magno SA 13 4286 29203
Teora AV 13 1537 30740
Palomonte SA 13 3985 34725
Oliveto Citra SA 14 3802 38527
Senerchia AV 14 842 39369
Rapone PZ 14 990 40359
Cairano AV 14 326 40685
Bella PZ 15 5171 45856
Ricigliano SA 15 1144 47000
Buccino SA 15 5047 52047
San Fele PZ 16 3004 55051
Calitri AV 16 4666 59717
Romagnano al Monte SA 17 368 60085
Contursi Terme SA 17 3394 63479
Ruvo del Monte PZ 18 1083 64562
Balvano PZ 18 1830 66392
Andretta AV 19 1927 68319
Lioni AV 19 6201 74520
Morra De Sanctis AV 20 1297 75817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Battipaglia (50786 inhabitants)
40 Km W of Potenza (67122 inhabitants)
51 Km E of Avellino (54857 inhabitants)
52 Km E of Salerno (135261 inhabitants)
56 Km E of Cava de' Tirreni (53659 inhabitants)
63 Km SE of Benevento (60091 inhabitants)
71 Km E of Scafati (50787 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
75 Km E of Castellammare di Stabia (66466 inhabitants)
79 Km S of Foggia (151991 inhabitants)
84 Km E of Torre del Greco (86275 inhabitants)
85 Km E of Portici (55274 inhabitants)
86 Km E of Ercolano (53709 inhabitants)
86 Km E of Acerra (59573 inhabitants)
90 Km E of Afragola (65057 inhabitants)
92 Km E of Casoria (77642 inhabitants)
93 Km E of Caserta (76326 inhabitants)
94 Km SW of Andria (100440 inhabitants)
94 Km E of Napoli (974074 inhabitants)
98 Km SW of Barletta (94814 inhabitants)
99 Km E of Giugliano in Campania (122974 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 2.1 1985-04-24
10:43:39
40.77 15.36 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-24 10:43:39 ± 0.409
Latitude 40.77 ± 0.02
Longitude 15.36 ± 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 5409

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) 3469.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00866
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 5409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGG.Z. 1985-04-24T10:43:59.00 10.0 undecidable manual PG 310 0.0087 0.91 0.5
--.BS1.Z. 1985-04-24T10:43:54.50 10.0 undecidable manual SG 270 0.0036 0.38 0.7
--.SOR.Z. 1985-04-24T10:43:53.80 10.0 undecidable manual PG 256 0.0072 -1.24 0.3
--.SGO.Z. 1985-04-24T10:43:48.00 10.0 undecidable manual SG 191 0.0019 0.17 0.5
--.BS1.Z. 1985-04-24T10:43:47.50 10.0 undecidable manual PG 270 0.0036 -0.26 1.7
--.TR9.Z. 1985-04-24T10:43:45.60 10.0 undecidable manual PG 339 0.0026 -0.06 1.6
--.SGO.Z. 1985-04-24T10:43:44.20 10.0 undecidable manual PG 191 0.0019 0.07 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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