Earthquake with magnitude of Md 2.6 on date 06-10-1986 and time 01:12:28 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.6 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 06-10-1986 01:12:28 (UTC)
  • 06-10-1986 02:12:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.33, 15.36 at 115 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
Spadafora ME 12 5021 5021
Villafranca Tirrena ME 12 8584 13605
Venetico ME 12 3911 17516
Valdina ME 15 1355 18871
Torregrotta ME 15 7431 26302
Milazzo ME 16 31646 57948
Saponara ME 16 3988 61936
Roccavaldina ME 16 1133 63069
Pace del Mela ME 17 6239 69308
CondrĂ² ME 17 493 69801
Rometta ME 18 6650 76451
San Pier Niceto ME 19 2837 79288
Gualtieri SicaminĂ² ME 19 1807 81095
Monforte San Giorgio ME 19 2777 83872
San Filippo del Mela ME 19 7115 90987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Messina (238439 inhabitants)
34 Km NW of Reggio di Calabria (183035 inhabitants)
81 Km N of Acireale (52622 inhabitants)
95 Km N of Catania (314555 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 2.6 1986-10-06
01:12:28
38.33 15.37 115 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 35419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-10-06 01:12:28 ± 0.501
Latitude 38.33 ± 0.02
Longitude 15.37 ± 0.07
Depth (km) 115 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 35419

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) 6375.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00534
Epicentral distance of station farthest from the epicenter (degree) 0.01627
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:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 35419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:35:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MG9.Z. 1986-10-06T01:13:22.00 10.0 undecidable manual S 5 0.0163 -0.13 0.5
--.GR9.Z. 1986-10-06T01:13:05.00 10.0 undecidable manual S 59 0.0087 -0.34 0.5
--.SO9.Z. 1986-10-06T01:13:00.20 10.0 undecidable manual S 115 0.0053 0.44 0.3
--.MG9.Z. 1986-10-06T01:12:59.50 10.0 undecidable manual P 5 0.0163 0.15 1.2
--.GR9.Z. 1986-10-06T01:12:50.00 10.0 undecidable manual P 59 0.0087 0.34 0.9
--.SO9.Z. 1986-10-06T01:12:46.20 10.0 undecidable manual P 115 0.0053 -0.24 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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