Earthquake with magnitude of Md 2.5 on date 20-12-1986 and time 11:51:28 (UTC) in region 2 km NW Cicala (CZ)

A magnitude Md 2.5 earthquake occured in region: 2 km NW Cicala (CZ), on

  • 20-12-1986 11:51:28 (UTC)
  • 20-12-1986 12:51:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0370, 16.4730 at 5 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
Cicala CZ 2 968 968
Carlopoli CZ 3 1516 2484
Panettieri CS 3 351 2835
San Pietro Apostolo CZ 4 1691 4526
Serrastretta CZ 5 3176 7702
Gimigliano CZ 8 3381 11083
Sorbo San Basile CZ 9 809 11892
Bianchi CS 9 1305 13197
Taverna CZ 10 2703 15900
Miglierina CZ 10 767 16667
Decollatura CZ 10 3159 19826
Soveria Mannelli CZ 10 3076 22902
Fossato Serralta CZ 10 594 23496
Tiriolo CZ 10 3870 27366
Amato CZ 11 835 28201
Albi CZ 11 949 29150
Feroleto Antico CZ 11 2171 31321
Pentone CZ 11 2113 33434
Colosimi CS 11 1247 34681
Pianopoli CZ 12 2589 37270
Marcellinara CZ 12 2285 39555
Magisano CZ 14 1258 40813
Platania CZ 14 2172 42985
Settingiano CZ 14 3124 46109
Sellia CZ 15 530 46639
Lamezia Terme CZ 15 70714 117353
Parenti CS 15 2188 119541
Pedivigliano CS 17 831 120372
Conflenti CZ 17 1392 121764
Motta Santa Lucia CZ 17 845 122609
Zagarise CZ 17 1647 124256
Caraffa di Catanzaro CZ 17 1866 126122
Simeri Crichi CZ 18 4698 130820
Scigliano CS 18 1226 132046
Catanzaro CZ 18 90612 222658
Carpanzano CS 19 255 222913

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Lamezia Terme (70714 inhabitants)
18 Km NW of Catanzaro (90612 inhabitants)
34 Km SE of Cosenza (67546 inhabitants)
57 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
Bulletin
Rev1000
Md 2.5 1986-12-20
11:51:28
39.037 16.473 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 38439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-12-20 11:51:28 ± 0.564
Latitude 39.0370 ± 0.0122
Longitude 16.4730 ± 0.1519
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 38439

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) 13187.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01174
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 38439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:38:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ORI.Z. 1986-12-20T11:52:04.00 10.0 undecidable manual SG 358 1.0101 0.56 0.5
--.MG9.Z. 1986-12-20T11:51:53.00 10.0 undecidable manual PN 327 1.2987 0.16 1.5
--.TS9.Z. 1986-12-20T11:51:51.00 10.0 undecidable manual SG 350 0.6327 -0.17 0.8
--.SO9.Z. 1986-12-20T11:51:50.00 10.0 undecidable manual PG 198 1.0101 1.42 0.6
--.ORI.Z. 1986-12-20T11:51:49.00 10.0 undecidable manual PG 358 1.0101 0.52 1.4
--.TS9.Z. 1986-12-20T11:51:40.00 10.0 undecidable manual PG 350 0.6327 -1.4 0.6
--.GR9.Z. 1986-12-20T11:51:36.50 10.0 undecidable manual SG 188 0.2109 -0.29 1.1
--.GR9.Z. 1986-12-20T11:51:32.50 10.0 undecidable manual PG 188 0.2109 -0.59 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download