Earthquake with magnitude of Md 2.7 on date 18-04-1985 and time 22:18:02 (Italy) in region 6 km W Serre (SA)

A magnitude Md 2.7 earthquake occured in region: 6 km W Serre (SA), on

  • 18-04-1985 20:18:02 (UTC)
  • 18-04-1985 22:18:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.59, 15.12 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
Serre SA 6 3995 3995
Eboli SA 6 40115 44110
Altavilla Silentina SA 7 7051 51161
Campagna SA 9 16703 67864
Postiglione SA 10 2151 70015
Olevano sul Tusciano SA 11 6878 76893
Controne SA 12 875 77768
Battipaglia SA 12 50786 128554
Albanella SA 12 6513 135067
Contursi Terme SA 12 3394 138461
Castelcivita SA 15 1739 140200
Bellizzi SA 15 13568 153768
Oliveto Citra SA 15 3802 157570
Sicignano degli Alburni SA 16 3519 161089
Palomonte SA 17 3985 165074
Montecorvino Rovella SA 17 12739 177813
Acerno SA 17 2783 180596
Senerchia AV 19 842 181438
Montecorvino Pugliano SA 19 10701 192139
Capaccio Paestum SA 19 22810 214949
Roccadaspide SA 19 7209 222158
Aquara SA 20 1545 223703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Battipaglia (50786 inhabitants)
32 Km E of Salerno (135261 inhabitants)
37 Km E of Cava de' Tirreni (53659 inhabitants)
45 Km SE of Avellino (54857 inhabitants)
53 Km E of Scafati (50787 inhabitants)
55 Km E of Castellammare di Stabia (66466 inhabitants)
58 Km W of Potenza (67122 inhabitants)
66 Km SE of Benevento (60091 inhabitants)
67 Km E of Torre del Greco (86275 inhabitants)
69 Km E of Portici (55274 inhabitants)
70 Km E of Ercolano (53709 inhabitants)
74 Km SE of Acerra (59573 inhabitants)
77 Km E of Afragola (65057 inhabitants)
78 Km E of Casoria (77642 inhabitants)
78 Km E of Napoli (974074 inhabitants)
85 Km SE of Caserta (76326 inhabitants)
85 Km E of Marano di Napoli (59874 inhabitants)
86 Km E of Giugliano in Campania (122974 inhabitants)
88 Km SE of Aversa (53047 inhabitants)
91 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 2.7 1985-04-18
20:18:02
40.59 15.12 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-18 20:18:02 ± 0.855
Latitude 40.59 ± 0.13
Longitude 15.12 ± 0.09
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4939

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) 16441.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.0106
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 4939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ORI.Z. 1985-04-18T20:18:43.00 10.0 undecidable manual SN? 117 0.0103 2.59 0
--.ORI.Z. 1985-04-18T20:18:25.50 10.0 undecidable manual PN 117 0.0103 1.02 0.6
--.DUI.Z. 1985-04-18T20:18:25.50 10.0 undecidable manual PN 335 0.0106 0.56 0.9
--.BS1.Z. 1985-04-18T20:18:15.00 10.0 undecidable manual SG 309 0.0026 1.09 0.4
--.SGO.Z. 1985-04-18T20:18:09.00 10.0 undecidable manual SG 101 0.0013 -0.35 0.5
--.BS1.Z. 1985-04-18T20:18:08.00 10.0 negative manual PG 309 0.0026 -1.17 1.2
--.SGO.Z. 1985-04-18T20:18:06.00 10.0 negative manual PG 101 0.0013 -0.55 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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