Earthquake with magnitude of ML-MEDNET 3.6 on date 31-08-1986 and time 00:33:19 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML-MEDNET 3.6 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 30-08-1986 22:33:19 (UTC)
  • 31-08-1986 00:33:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.39, 15.27 at 152 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
Milazzo ME 19 31646 31646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Messina (238439 inhabitants)
45 Km NW of Reggio di Calabria (183035 inhabitants)
87 Km N of Acireale (52622 inhabitants)
100 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
Bulletin
Rev1000
ML-MEDNET 3.6 1986-08-30
22:33:19
38.39 15.27 152 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-08-30 22:33:19 ± 0.418
Latitude 38.39 ± 0.02
Longitude 15.27 ± 0.05
Depth (km) 152 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33299

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) 5093.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 248
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.01578
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 33299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:37:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MG9.Z. 1986-08-30T22:34:17.00 10.0 undecidable manual S 7 0.0158 0.21 0.4
--.GR9.Z. 1986-08-30T22:34:03.50 10.0 undecidable manual S 64 0.009 -0.05 0.7
--.SO9.Z. 1986-08-30T22:34:00.00 10.0 undecidable manual S 117 0.0062 0.5 0.3
--.GA2.Z. 1986-08-30T22:33:57.00 10.0 undecidable manual S 117 0.0044 -0.48 0.2
--.MG9.Z. 1986-08-30T22:33:53.00 10.0 undecidable manual P 7 0.0158 0.23 1
--.SE2.Z. 1986-08-30T22:33:48.00 10.0 undecidable manual P 61 0.0116 0.2 1.3
--.GR9.Z. 1986-08-30T22:33:45.20 10.0 undecidable manual P 64 0.009 0.07 1.7
--.CZI.Z. 1986-08-30T22:33:45.20 10.0 undecidable manual P 39 0.0096 -0.48 0.5
--.RI2.Z. 1986-08-30T22:33:44.30 10.0 undecidable manual P 88 0.0085 -0.42 0.7
--.FE2.Z. 1986-08-30T22:33:43.30 10.0 undecidable manual P 118 0.0066 0.24 1.3
--.SO9.Z. 1986-08-30T22:33:43.00 10.0 positive manual P 117 0.0062 0.2 2.9
--.GA2.Z. 1986-08-30T22:33:41.20 10.0 undecidable manual P 117 0.0044 -0.43 0.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download