Earthquake with magnitude of Md 2.3 on date 06-10-1985 and time 09:42:07 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.3 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 06-10-1985 09:42:07 (UTC)
  • 06-10-1985 10:42:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1580, 15.6310 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
Reggio di Calabria RC 5 183035 183035
Villa San Giovanni RC 7 13784 196819
Campo Calabro RC 7 4536 201355
Messina ME 8 238439 439794
Fiumara RC 8 1018 440812
Calanna RC 9 934 441746
Laganadi RC 10 413 442159
San Roberto RC 11 1750 443909
Sant'Alessio in Aspromonte RC 11 343 444252
Scilla RC 13 4964 449216
Santo Stefano in Aspromonte RC 14 1263 450479
Cardeto RC 14 1641 452120
Saponara ME 18 3988 456108
Motta San Giovanni RC 18 6208 462316
Rometta ME 19 6650 468966
Villafranca Tirrena ME 19 8584 477550
Scaletta Zanclea ME 20 2140 479690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km N of Reggio di Calabria (183035 inhabitants)
8 Km SE of Messina (238439 inhabitants)
73 Km NE of Acireale (52622 inhabitants)
87 Km NE 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
Md 2.3 1985-10-06
09:42:07
38.158 15.631 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-06 09:42:07 ± 1.301
Latitude 38.1580 ± 0.1053
Longitude 15.6310 ± 0.0585
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14229

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) 12775.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.02169
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 14229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1985-10-06T09:43:16.50 10.0 undecidable manual SN 354 2.4087 0.88 0.1
--.ORI.Z. 1985-10-06T09:43:05.00 10.0 undecidable manual SN 18 1.9869 -0.65 0.2
--.SGO.Z. 1985-10-06T09:42:46.00 10.0 undecidable manual PN 354 2.4087 -0.94 0.2
--.ORI.Z. 1985-10-06T09:42:41.50 10.0 undecidable manual PN 18 1.9869 0.31 1.1
--.CSI.Z. 1985-10-06T09:42:37.40 10.0 undecidable manual PN 17 1.6983 0.18 1.3
--.ACI.Z. 1985-10-06T09:42:31.40 10.0 undecidable manual PN 20 1.2654 0.11 2.8
--.MSI.Z. 1985-10-06T09:42:10.50 10.0 undecidable manual PG 307 0.0666 0.14 1.4
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