Earthquake with magnitude of Md 2.7 on date 10-07-1985 and time 18:48:52 (UTC) in region 8 km NW Villa San Giovanni (RC)

A magnitude Md 2.7 earthquake occured in region: 8 km NW Villa San Giovanni (RC), on

  • 10-07-1985 18:48:52 (UTC)
  • 10-07-1985 20:48:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.28, 15.57 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
Villa San Giovanni RC 8 13784 13784
Messina ME 9 238439 252223
Campo Calabro RC 10 4536 256759
Fiumara RC 13 1018 257777
Scilla RC 13 4964 262741
Villafranca Tirrena ME 13 8584 271325
Saponara ME 15 3988 275313
San Roberto RC 16 1750 277063
Calanna RC 17 934 277997
Rometta ME 18 6650 284647
Spadafora ME 18 5021 289668
Laganadi RC 19 413 290081
Venetico ME 19 3911 293992
Reggio di Calabria RC 20 183035 477027
Sant'Alessio in Aspromonte RC 20 343 477370
Valdina ME 20 1355 478725

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of Messina (238439 inhabitants)
20 Km NW of Reggio di Calabria (183035 inhabitants)
82 Km NE of Acireale (52622 inhabitants)
96 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
Rev 1000 Md 2.7 1985-07-10
18:48:52
38.28 15.57 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-10 18:48:52 ± 0.334
Latitude 38.28 ± 0.02
Longitude 15.57 ± 0.03
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9999

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) 3528.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01352
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 9999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PA1.Z. 1985-07-10T18:49:36.50 10.0 undecidable manual SN 202 0.0121 1.67 0
--.GIB.Z. 1985-07-10T18:49:31.50 10.0 undecidable manual SN 257 0.0112 -0.95 0.2
--.ROI.Z. 1985-07-10T18:49:19.00 10.0 undecidable manual PN 30 0.0135 -0.02 1.1
--.PA1.Z. 1985-07-10T18:49:16.50 10.0 undecidable manual PN 202 0.0121 -0.34 1
--.GIB.Z. 1985-07-10T18:49:15.50 10.0 undecidable manual PN 257 0.0112 0.03 1.3
--.DR2.Z. 1985-07-10T18:49:01.80 10.0 undecidable manual PG 37 0.0041 -0.16 1.5
--.RCI.Z. 1985-07-10T18:48:59.50 10.0 undecidable manual SG 162 0.0015 -0.42 0.7
--.RCI.Z. 1985-07-10T18:48:56.00 10.0 negative manual PG 162 0.0015 -0.69 1.6
--.MSI.Z. 1985-07-10T18:48:55.00 10.0 undecidable manual PG 190 0.0006 0.15 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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