Earthquake with magnitude of Md 3.0 on date 03-03-1986 and time 17:07:34 (UTC) in region 8 km S Randazzo (CT)

A magnitude Md 3.0 earthquake occured in region: 8 km S Randazzo (CT), on

  • 03-03-1986 17:07:34 (UTC)
  • 03-03-1986 18:07:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.81, 14.96 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
Randazzo CT 8 10900 10900
Maletto CT 9 3920 14820
Bronte CT 11 19172 33992
Santa Domenica Vittoria ME 12 980 34972
Moio Alcantara ME 13 717 35689
Roccella Valdemone ME 15 666 36355
Maniace CT 15 3765 40120
Malvagna ME 15 733 40853
Linguaglossa CT 17 5403 46256
Castiglione di Sicilia CT 17 3215 49471
Milo CT 17 1087 50558
Sant'Alfio CT 18 1582 52140
Zafferana Etnea CT 18 9517 61657
Francavilla di Sicilia ME 19 3945 65602
Piedimonte Etneo CT 19 3963 69565
Adrano CT 20 36122 105687
Ragalna CT 20 3924 109611

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
36 Km NW of Catania (314555 inhabitants)
68 Km SW of Messina (238439 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
100 Km N of Ragusa (73313 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 3.0 1986-03-03
17:07:34
37.81 14.96 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-03 17:07:34 ± 0.177
Latitude 37.81 ± 0.01
Longitude 14.96 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23509

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) 2124.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.0055
Epicentral distance of station farthest from the epicenter (degree) 0.02129
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:3

Field Value
Value 3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 23509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MG9.Z. 1986-03-03T17:08:13.00 10.0 undecidable manual PN 11 0.0213 -0.42 0.8
--.CSI.Z. 1986-03-03T17:08:12.30 10.0 undecidable manual PN 27 0.0201 0.83 0.4
--.MMN.Z. 1986-03-03T17:08:11.20 10.0 undecidable manual PN 21 0.02 -0.25 1
--.FE2.Z. 1986-03-03T17:08:05.60 10.0 undecidable manual SG 75 0.0083 -0.74 0.3
--.GR9.Z. 1986-03-03T17:08:02.50 10.0 undecidable manual PN 48 0.0138 0.63 0.8
--.PZI.Z. 1986-03-03T17:08:01.00 10.0 undecidable manual SG 181 0.0067 -0.07 0.6
--.GIB.Z. 1986-03-03T17:08:01.50 10.0 undecidable manual SG 284 0.0068 0.3 0.6
--.RCI.Z. 1986-03-03T17:07:57.50 10.0 undecidable manual SG 61 0.0055 0.89 0.2
--.MSI.Z. 1986-03-03T17:07:57.00 10.0 undecidable manual SG 50 0.0055 0.46 0.7
--.FAI.Z. 1986-03-03T17:07:57.50 10.0 negative manual PN 243 0.0104 0.79 1.4
--.DR2.Z. 1986-03-03T17:07:55.40 10.0 undecidable manual PN 42 0.0101 -0.98 1
--.FE2.Z. 1986-03-03T17:07:53.10 10.0 undecidable manual PG 75 0.0083 0.42 2.4
--.PZI.Z. 1986-03-03T17:07:49.00 10.0 undecidable manual PG 181 0.0067 -0.63 0.9
--.GIB.Z. 1986-03-03T17:07:49.00 10.0 undecidable manual PG 284 0.0068 -0.71 0.8
--.MSI.Z. 1986-03-03T17:07:47.00 10.0 positive manual PG 50 0.0055 -0.02 3.1
--.RCI.Z. 1986-03-03T17:07:46.50 10.0 undecidable manual PG 61 0.0055 -0.56 1.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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