Earthquake with magnitude of Md 3.5 on date 05-04-1985 and time 07:31:54 (Italy) in region 1 km E Gioiosa Marea (ME)

A magnitude Md 3.5 earthquake occured in region: 1 km E Gioiosa Marea (ME), on

  • 05-04-1985 05:31:54 (UTC)
  • 05-04-1985 07:31:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.17, 14.91 at 11 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
Gioiosa Marea ME 1 7074 7074
Piraino ME 4 3962 11036
Montagnareale ME 5 1615 12651
Patti ME 6 13431 26082
Sant'Angelo di Brolo ME 6 3090 29172
Brolo ME 7 5783 34955
Librizzi ME 9 1660 36615
Ficarra ME 9 1469 38084
Sinagra ME 11 2705 40789
Naso ME 11 3813 44602
Raccuja ME 13 1041 45643
Castell'Umberto ME 13 3128 48771
Ucria ME 14 1058 49829
Capo d'Orlando ME 14 13254 63083
San Piero Patti ME 14 2915 65998
Oliveri ME 14 2181 68179
San Salvatore di Fitalia ME 16 1319 69498
Mirto ME 16 974 70472
Falcone ME 17 2808 73280
Tortorici ME 17 6435 79715
Frazzanò ME 18 711 80426
Basicò ME 18 612 81038
Montalbano Elicona ME 19 2287 83325
Capri Leone ME 19 4515 87840
Galati Mamertino ME 19 2627 90467
Floresta ME 20 485 90952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km W of Messina (238439 inhabitants)
65 Km W of Reggio di Calabria (183035 inhabitants)
66 Km NW of Acireale (52622 inhabitants)
76 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 3.5 1985-04-05
05:31:54
38.17 14.91 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 4069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-05 05:31:54 ± 0.427
Latitude 38.17 ± 0.04
Longitude 14.91 ± 0.03
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4069

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) 4573.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00518
Epicentral distance of station farthest from the epicenter (degree) 0.0327
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 4069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SD1.Z. 1985-04-05T05:32:51.00 10.0 undecidable manual PN 347 0.0327 1.04 0.5
--.CSI.Z. 1985-04-05T05:32:49.20 10.0 undecidable manual SN 33 0.0174 -1.31 0.2
--.BRT.Z. 1985-04-05T05:32:44.00 10.0 undecidable manual PN 32 0.0288 -0.08 1.1
--.FA1.Z. 1985-04-05T05:32:37.00 10.0 undecidable manual SN 228 0.0119 1.12 0.3
--.SGO.Z. 1985-04-05T05:32:32.50 10.0 undecidable manual PN 7 0.0216 -0.61 1
--.ORI.Z. 1985-04-05T05:32:32.00 10.0 undecidable manual PN 32 0.02 1.4 0.4
--.PA1.Z. 1985-04-05T05:32:30.00 10.0 undecidable manual SN 180 0.0102 -1.4 0.2
--.ERC.Z. 1985-04-05T05:32:26.00 10.0 undecidable manual PN 267 0.0164 0.87 1
--.CSI.Z. 1985-04-05T05:32:26.30 10.0 undecidable manual PN 33 0.0174 -0.38 1.4
--.ROI.Z. 1985-04-05T05:32:25.80 10.0 undecidable manual PN 42 0.0172 -0.41 2.7
--.FA1.Z. 1985-04-05T05:32:21.00 10.0 undecidable manual PN? 228 0.0119 2.76 0
--.GIB.Z. 1985-04-05T05:32:19.00 10.0 undecidable manual SG 256 0.0064 0.02 0.6
--.US1.Z. 1985-04-05T05:32:18.00 10.0 undecidable manual PN? 292 0.013 -2.02 0.1
--.RCI.Z. 1985-04-05T05:32:16.00 10.0 undecidable manual SG 96 0.0052 1.21 0.3
--.PA1.Z. 1985-04-05T05:32:15.00 10.0 undecidable manual PN 180 0.0102 -0.65 1.2
--.GIB.Z. 1985-04-05T05:32:08.00 10.0 positive manual PG 256 0.0064 -0.48 2.8
--.RCI.Z. 1985-04-05T05:32:06.00 10.0 positive manual PG 96 0.0052 -0.06 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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