Earthquake with magnitude of Md 2.5 on date 06-04-1985 and time 12:20:53 (UTC) in region 4 km SE Settingiano (CZ)

A magnitude Md 2.5 earthquake occured in region: 4 km SE Settingiano (CZ), on

  • 06-04-1985 12:20:53 (UTC)
  • 06-04-1985 14:20:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.89, 16.54 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
Settingiano CZ 4 3124 3124
Caraffa di Catanzaro CZ 4 1866 4990
Catanzaro CZ 6 90612 95602
San Floro CZ 6 716 96318
Marcellinara CZ 6 2285 98603
Borgia CZ 7 7611 106214
Tiriolo CZ 7 3870 110084
Miglierina CZ 9 767 110851
Amato CZ 9 835 111686
Gimigliano CZ 10 3381 115067
Pentone CZ 12 2113 117180
Squillace CZ 12 3608 120788
Cortale CZ 12 2117 122905
Girifalco CZ 12 5945 128850
Simeri Crichi CZ 12 4698 133548
Fossato Serralta CZ 13 594 134142
Amaroni CZ 13 1855 135997
Sellia CZ 13 530 136527
Stalettì CZ 13 2433 138960
Vallefiorita CZ 14 1771 140731
Soveria Simeri CZ 14 1564 142295
Jacurso CZ 14 624 142919
San Pietro Apostolo CZ 14 1691 144610
Pianopoli CZ 15 2589 147199
Maida CZ 15 4566 151765
Sorbo San Basile CZ 15 809 152574
Montauro CZ 15 1732 154306
Taverna CZ 15 2703 157009
Feroleto Antico CZ 15 2171 159180
Cicala CZ 16 968 160148
Albi CZ 16 949 161097
Magisano CZ 16 1258 162355
Gasperina CZ 17 2160 164515
Zagarise CZ 17 1647 166162
San Pietro a Maida CZ 17 4200 170362
Palermiti CZ 17 1213 171575
Serrastretta CZ 17 3176 174751
Sellia Marina CZ 18 7513 182264
Montepaone CZ 19 5282 187546
Centrache CZ 20 401 187947
Curinga CZ 20 6779 194726

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Catanzaro (90612 inhabitants)
21 Km E of Lamezia Terme (70714 inhabitants)
51 Km SE of Cosenza (67546 inhabitants)
55 Km W of Crotone (62178 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 2.5 1985-04-06
12:20:53
38.89 16.54 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-06 12:20:53 ± 1.786
Latitude 38.89 ± 0.10
Longitude 16.54 ± 0.07
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4169

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) 12750.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 329
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.01044
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 4169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ORI.Z. 1985-04-06T12:21:32.00 10.0 undecidable manual SN 356 0.0104 0.72 0.1
--.ORI.Z. 1985-04-06T12:21:15.50 10.0 undecidable manual PN 356 0.0104 0.36 0.9
--.CSI.Z. 1985-04-06T12:21:11.30 10.0 undecidable manual PG 348 0.0082 0.12 1.4
--.ROI.Z. 1985-04-06T12:21:06.40 10.0 undecidable manual PG 1 0.0062 -0.49 1.4
--.ACI.Z. 1985-04-06T12:21:03.80 10.0 undecidable manual PG 330 0.0048 -0.23 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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