Earthquake with magnitude of Md 2.4 on date 08-10-1986 and time 07:15:07 (Italy) in region 1 km E Adrano (CT)

A magnitude Md 2.4 earthquake occured in region: 1 km E Adrano (CT), on

  • 08-10-1986 06:15:07 (UTC)
  • 08-10-1986 07:15:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6630, 14.8420 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
Adrano CT 1 36122 36122
Biancavilla CT 3 24007 60129
Santa Maria di Licodia CT 7 7641 67770
Ragalna CT 9 3924 71694
Centuripe EN 10 5470 77164
PaternĂ² CT 11 48228 125392
Bronte CT 14 19172 144564
Belpasso CT 14 28108 172672
Catenanuova EN 17 4866 177538
Nicolosi CT 17 7463 185001
Regalbuto EN 18 7277 192278
Camporotondo Etneo CT 18 5023 197301
Maletto CT 19 3920 201221
San Pietro Clarenza CT 19 7743 208964
Pedara CT 20 14102 223066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Catania (314555 inhabitants)
29 Km W of Acireale (52622 inhabitants)
71 Km E of Caltanissetta (63360 inhabitants)
78 Km NW of Siracusa (122291 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
84 Km NE of Gela (75827 inhabitants)
86 Km SW of Messina (238439 inhabitants)
86 Km SW of Reggio di Calabria (183035 inhabitants)
90 Km N of Modica (54633 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 2.4 1986-10-08
06:15:07
37.663 14.842 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 35559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-10-08 06:15:07 ± 0.494
Latitude 37.6630 ± 0.0285
Longitude 14.8420 ± 0.0822
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 35559

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) 7899.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 35559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:35:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GIB.Z. 1986-10-08T06:15:31.50 10.0 undecidable manual SG 297 0.7215 -1.21 0.2
--.ML9.Z. 1986-10-08T06:15:28.00 10.0 undecidable manual SG 172 0.5439 0.62 0.6
--.GIB.Z. 1986-10-08T06:15:23.00 10.0 undecidable manual PG 297 0.7215 0.89 0.8
--.ML9.Z. 1986-10-08T06:15:18.50 10.0 undecidable manual PG 172 0.5439 -0.53 1.5
--.MS9.Z. 1986-10-08T06:15:14.00 10.0 undecidable manual PG 336 0.2886 -0.15 2
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