Earthquake with magnitude of Md 2.5 on date 09-02-1994 and time 01:03:39 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude Md 2.5 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 09-02-1994 00:03:39 (UTC)
  • 09-02-1994 01:03:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8730, 15.9970 at 174 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
Briatico VV 17 4053 4053
Zambrone VV 19 1775 5828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Lamezia Terme (70714 inhabitants)
52 Km SW of Cosenza (67546 inhabitants)
52 Km W of Catanzaro (90612 inhabitants)
85 Km NE of Messina (238439 inhabitants)
90 Km NE of Reggio di Calabria (183035 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 2.5 1994-02-09
00:03:39
38.873 15.997 175 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 204979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-02-09 00:03:39 ± 0.962
Latitude 38.8730 ± 0.0362
Longitude 15.9970 ± 0.0910
Depth (km) 175 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 204979

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) 8842.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.01967
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 204979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:12:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BRT.Z. 1994-02-09T00:04:47.50 10.0 undecidable manual S 23 2.1756 -0.29 0.4
--.ORI.Z. 1994-02-09T00:04:30.58 10.0 undecidable manual S 16 1.221 0.01 0.6
--.SOI.Z. 1994-02-09T00:04:23.44 10.0 undecidable manual S 177 0.7992 -1.42 0.1
--.GRI.Z. 1994-02-09T00:04:20.13 10.0 undecidable manual S 98 0.333 -0.8 0.3
--.LCI.Z. 1994-02-09T00:04:19.50 10.0 undecidable manual P 47 2.1867 -0.07 1
--.BRT.Z. 1994-02-09T00:04:17.50 10.0 undecidable manual P 23 2.1756 -1.6 0.1
--.SGO.Z. 1994-02-09T00:04:14.15 10.0 negative manual P 343 1.7649 -0.32 2
--.ORI.Z. 1994-02-09T00:04:09.60 10.0 positive manual P 16 1.221 0.44 2.3
--.CSI.Z. 1994-02-09T00:04:07.88 10.0 undecidable manual P 14 0.9324 1.05 0.4
--.ROI.Z. 1994-02-09T00:04:06.80 10.0 undecidable manual P 32 0.8214 0.77 0.7
--.SOI.Z. 1994-02-09T00:04:05.76 10.0 undecidable manual P 177 0.7992 -0.1 1.4
--.ACI.Z. 1994-02-09T00:04:04.10 10.0 undecidable manual P 18 0.4995 -0.12 1.4
--.GRI.Z. 1994-02-09T00:04:03.99 10.0 negative manual P 98 0.333 0.4 2.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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