Earthquake with magnitude of Md 2.9 on date 27-01-1985 and time 04:24:43 (Italy) in region 3 km NW Valva (SA)

A magnitude Md 2.9 earthquake occured in region: 3 km NW Valva (SA), on

  • 27-01-1985 03:24:43 (UTC)
  • 27-01-1985 04:24:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.76, 15.25 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
Valva SA 3 1643 1643
Calabritto AV 4 2391 4034
Senerchia AV 4 842 4876
Colliano SA 5 3638 8514
Laviano SA 6 1438 9952
Caposele AV 7 3483 13435
Oliveto Citra SA 8 3802 17237
Santomenna SA 8 443 17680
Castelnuovo di Conza SA 9 619 18299
Teora AV 10 1537 19836
Palomonte SA 12 3985 23821
Contursi Terme SA 12 3394 27215
Conza della Campania AV 13 1373 28588
Sant'Andrea di Conza AV 14 1539 30127
Lioni AV 14 6201 36328
Pescopagano PZ 15 1910 38238
Castelgrande PZ 16 943 39181
Campagna SA 16 16703 55884
Acerno SA 16 2783 58667
San Gregorio Magno SA 17 4286 62953
Bagnoli Irpino AV 17 3217 66170
Buccino SA 17 5047 71217
Cairano AV 18 326 71543
Morra De Sanctis AV 18 1297 72840
Sant'Angelo dei Lombardi AV 20 4250 77090
Muro Lucano PZ 20 5497 82587
Nusco AV 20 4203 86790

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Battipaglia (50786 inhabitants)
42 Km E of Avellino (54857 inhabitants)
42 Km E of Salerno (135261 inhabitants)
46 Km E of Cava de' Tirreni (53659 inhabitants)
49 Km W of Potenza (67122 inhabitants)
57 Km SE of Benevento (60091 inhabitants)
61 Km E of Scafati (50787 inhabitants)
65 Km E of Castellammare di Stabia (66466 inhabitants)
75 Km E of Torre del Greco (86275 inhabitants)
76 Km E of Portici (55274 inhabitants)
76 Km E of Ercolano (53709 inhabitants)
77 Km E of Acerra (59573 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
81 Km E of Afragola (65057 inhabitants)
82 Km SW of Foggia (151991 inhabitants)
82 Km E of Casoria (77642 inhabitants)
85 Km E of Napoli (974074 inhabitants)
85 Km E of Caserta (76326 inhabitants)
90 Km E of Giugliano in Campania (122974 inhabitants)
90 Km E of Marano di Napoli (59874 inhabitants)
91 Km E of Aversa (53047 inhabitants)
98 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 2.9 1985-01-27
03:24:43
40.76 15.25 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-27 03:24:43 ± 0.327
Latitude 40.76 ± 0.03
Longitude 15.25 ± 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 809

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) 4031.3
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 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01473
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BRT.Z. 1985-01-27T03:25:28.00 10.0 undecidable manual SN 84 0.013 -0.61 0.4
--.PE1.Z. 1985-01-27T03:25:13.00 10.0 undecidable manual PN 87 0.0147 0.48 1
--.SD1.Z. 1985-01-27T03:25:11.00 10.0 undecidable manual PN 311 0.013 1.3 0.6
--.BRT.Z. 1985-01-27T03:25:09.00 10.0 undecidable manual PN? 84 0.013 -0.71 0.4
--.CSI.Z. 1985-01-27T03:25:08.80 10.0 undecidable manual PN 140 0.0113 1.6 0.5
--.ORI.Z. 1985-01-27T03:25:07.00 10.0 undecidable manual PN 127 0.0104 1.25 0.8
--.DUI.Z. 1985-01-27T03:25:06.50 10.0 undecidable manual PN 326 0.0096 1.76 0.4
--.SGG.Z. 1985-01-27T03:25:01.90 10.0 undecidable manual PG 314 0.0081 0.09 1.6
--.BS1.Z. 1985-01-27T03:24:58.00 10.0 undecidable manual SG 272 0.0028 1.84 0.2
--.SOR.Z. 1985-01-27T03:24:57.40 10.0 undecidable manual PG 256 0.0064 -0.84 1.2
--.SGO.Z. 1985-01-27T03:24:51.50 10.0 undecidable manual SG 167 0.0018 -0.86 0.5
--.BS1.Z. 1985-01-27T03:24:50.30 10.0 undecidable manual PG 272 0.0028 -0.67 2.7
--.TR9.Z. 1985-01-27T03:24:48.80 10.0 negative manual PG 357 0.0025 -1.52 1.3
--.SGO.Z. 1985-01-27T03:24:47.80 10.0 positive manual PG 167 0.0018 -0.97 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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