ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 3.2 on date 05-12-1985 and time 21:28:40 (Italy) in region Isole Eolie (Messina)

A magnitude Md 3.2 earthquake occured in region: Isole Eolie (Messina), on

  • 05-12-1985 20:28:40 (UTC)
  • 05-12-1985 21:28:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.54, 14.61 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
Leni ME 19 696 696
Malfa ME 20 982 1678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
91 Km W of Messina (238439 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 3.2 1985-12-05
20:28:40
38.54 14.61 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 17469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-05 20:28:40 ± 0.244
Latitude 38.54 ± 0.02
Longitude 14.61 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17469

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) 2934.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.00639
Epicentral distance of station farthest from the epicenter (degree) 0.02914
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 17469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CSI.Z. 1985-12-05T20:29:35.20 10.0 undecidable manual SN 45 0.0162 1.04 0.3
--.LCI.Z. 1985-12-05T20:29:32.80 10.0 undecidable manual PN 54 0.0291 1.41 0.3
--.PZI.Z. 1985-12-05T20:29:28.00 10.0 undecidable manual SN 169 0.0135 0.98 0.5
--.ORI.Z. 1985-12-05T20:29:16.30 10.0 undecidable manual PN 42 0.0186 0.98 0.7
--.SGO.Z. 1985-12-05T20:29:15.00 10.0 undecidable manual PN 14 0.0188 -0.58 1.1
--.GA2.Z. 1985-12-05T20:29:13.80 10.0 undecidable manual SG 110 0.0091 -1.7 0.1
--.RCI.Z. 1985-12-05T20:29:13.50 10.0 undecidable manual SG 117 0.0082 1.42 0.2
--.CSI.Z. 1985-12-05T20:29:12.00 10.0 undecidable manual PN 45 0.0162 0.39 1.4
--.ROI.Z. 1985-12-05T20:29:12.80 10.0 undecidable manual PN 54 0.0165 0.74 1
--.CV9.Z. 1985-12-05T20:29:10.50 10.0 undecidable manual PN 239 0.015 0.73 1.1
--.MMN.Z. 1985-12-05T20:29:09.60 10.0 undecidable manual PN 37 0.0155 -0.91 0.9
--.MSI.Z. 1985-12-05T20:29:09.00 10.0 undecidable manual SG 113 0.0072 0.3 0.6
--.ERC.Z. 1985-12-05T20:29:08.70 10.0 undecidable manual PN 252 0.015 -1.03 0.7
--.FAI.Z. 1985-12-05T20:29:08.30 10.0 undecidable manual PN 210 0.0132 1.3 0.5
--.PZI.Z. 1985-12-05T20:29:07.00 10.0 positive manual PN 169 0.0135 -0.48 2.9
--.ACI.Z. 1985-12-05T20:29:06.60 10.0 undecidable manual PN 55 0.0133 -0.57 1.4
--.CZI.Z. 1985-12-05T20:29:04.90 10.0 undecidable manual PN 59 0.0122 -0.7 1.2
--.GA2.Z. 1985-12-05T20:29:00.30 10.0 undecidable manual PG 110 0.0091 -0.53 1.4
--.DR2.Z. 1985-12-05T20:29:00.20 10.0 undecidable manual PN 83 0.0093 -0.87 1
--.RCI.Z. 1985-12-05T20:28:58.50 10.0 undecidable manual PG 117 0.0082 -0.36 1.6
--.MSI.Z. 1985-12-05T20:28:56.80 10.0 undecidable manual PG 113 0.0072 -0.11 1.7
--.GIB.Z. 1985-12-05T20:28:54.80 10.0 undecidable manual PG 219 0.0064 -0.35 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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