Earthquake with magnitude of Md 3.1 on date 12-08-1985 and time 02:52:27 (Italy) in region 2 km S Calabritto (AV)

A magnitude Md 3.1 earthquake occured in region: 2 km S Calabritto (AV), on

  • 12-08-1985 00:52:27 (UTC)
  • 12-08-1985 02:52:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.76, 15.22 at 4 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
Calabritto AV 2 2391 2391
Senerchia AV 3 842 3233
Valva SA 5 1643 4876
Caposele AV 6 3483 8359
Colliano SA 7 3638 11997
Laviano SA 8 1438 13435
Oliveto Citra SA 8 3802 17237
Santomenna SA 10 443 17680
Teora AV 10 1537 19217
Castelnuovo di Conza SA 10 619 19836
Contursi Terme SA 13 3394 23230
Palomonte SA 13 3985 27215
Lioni AV 13 6201 33416
Acerno SA 14 2783 36199
Conza della Campania AV 14 1373 37572
Campagna SA 15 16703 54275
Bagnoli Irpino AV 15 3217 57492
Sant'Andrea di Conza AV 16 1539 59031
Pescopagano PZ 17 1910 60941
Nusco AV 18 4203 65144
Morra De Sanctis AV 18 1297 66441
Castelgrande PZ 18 943 67384
Sant'Angelo dei Lombardi AV 19 4250 71634
Buccino SA 19 5047 76681
San Gregorio Magno SA 19 4286 80967
Montella AV 19 7780 88747
Cairano AV 19 326 89073

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Battipaglia (50786 inhabitants)
40 Km E of Avellino (54857 inhabitants)
40 Km E of Salerno (135261 inhabitants)
44 Km E of Cava de' Tirreni (53659 inhabitants)
51 Km W of Potenza (67122 inhabitants)
55 Km SE of Benevento (60091 inhabitants)
59 Km E of Scafati (50787 inhabitants)
63 Km E of Castellammare di Stabia (66466 inhabitants)
72 Km E of Torre del Greco (86275 inhabitants)
73 Km E of Portici (55274 inhabitants)
74 Km E of Ercolano (53709 inhabitants)
74 Km E of Acerra (59573 inhabitants)
79 Km E of Afragola (65057 inhabitants)
80 Km E of Casoria (77642 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
82 Km E of Napoli (974074 inhabitants)
82 Km E of Caserta (76326 inhabitants)
82 Km SW of Foggia (151991 inhabitants)
88 Km E of Giugliano in Campania (122974 inhabitants)
88 Km E of Marano di Napoli (59874 inhabitants)
89 Km E of Aversa (53047 inhabitants)
96 Km E of Pozzuoli (81661 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 3.1 1985-08-12
00:52:27
40.76 15.22 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-12 00:52:27 ± 0.523
Latitude 40.76 ± 0.03
Longitude 15.22 ± 0.03
Depth (km) 4 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11529

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) 3746.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01311
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:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 11529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BRT.Z. 1985-08-12T00:53:16.00 10.0 undecidable manual SN 85 0.0131 1.4 0.2
--.BAI.Z. 1985-08-12T00:53:11.00 10.0 undecidable manual SN 74 0.0117 0.29 0.5
--.MSC.Z. 1985-08-12T00:53:02.70 10.0 undecidable manual SG? 294 0.0093 -1.36 0
--.BRT.Z. 1985-08-12T00:52:56.50 10.0 undecidable manual PN 85 0.0131 1.69 0.3
--.SD1.Z. 1985-08-12T00:52:54.00 10.0 undecidable manual PN 312 0.0127 -0.25 1.2
--.ORI.Z. 1985-08-12T00:52:51.50 10.0 undecidable manual PN 127 0.0105 0.66 1.1
--.DUI.Z. 1985-08-12T00:52:51.00 10.0 undecidable manual PG 327 0.0096 1.77 0.3
--.SOR.Z. 1985-08-12T00:52:51.40 10.0 undecidable manual SG 255 0.0062 -1.76 0.1
--.BAI.Z. 1985-08-12T00:52:51.00 10.0 undecidable manual PN 74 0.0117 -1.56 0.4
--.MS1.Z. 1985-08-12T00:52:48.50 10.0 undecidable manual PG 29 0.0097 -1.15 0.7
--.MMN.Z. 1985-08-12T00:52:48.60 10.0 undecidable manual PG 145 0.0094 -0.42 1.4
--.MSC.Z. 1985-08-12T00:52:48.10 10.0 undecidable manual PG 294 0.0093 -0.63 1.2
--.SGG.Z. 1985-08-12T00:52:46.30 10.0 undecidable manual PG 314 0.0079 0.29 1.5
--.SOR.Z. 1985-08-12T00:52:41.20 10.0 undecidable manual PG 255 0.0062 -1.23 0.7
--.OVO.Z. 1985-08-12T00:52:41.50 10.0 undecidable manual PG 276 0.0056 0.35 1.5
--.BS1.Z. 1985-08-12T00:52:41.00 10.0 undecidable manual SG 272 0.0027 1.53 0.2
--.BS1.Z. 1985-08-12T00:52:34.90 10.0 negative manual PG 272 0.0027 0.37 2.9
--.TR9.Z. 1985-08-12T00:52:33.70 10.0 negative manual PG 1 0.0025 -0.42 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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