Earthquake with magnitude of Md 2.2 on date 07-02-1994 and time 23:23:48 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude Md 2.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 07-02-1994 22:23:48 (UTC)
  • 07-02-1994 23:23:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6900, 15.7980 at 181 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
Tropea VV 9 6441 6441
Ricadi VV 9 4900 11341
Drapia VV 10 2085 13426
Parghelia VV 11 1300 14726
Spilinga VV 12 1464 16190
Zaccanopoli VV 12 752 16942
Joppolo VV 15 1926 18868
Zungri VV 17 1976 20844
Zambrone VV 17 1775 22619
Nicotera VV 20 6290 28909

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km SW of Lamezia Terme (70714 inhabitants)
59 Km NE of Messina (238439 inhabitants)
66 Km N of Reggio di Calabria (183035 inhabitants)
73 Km W of Catanzaro (90612 inhabitants)
78 Km SW of Cosenza (67546 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 2.2 1994-02-07
22:23:48
38.69 15.798 181 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 204959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-02-07 22:23:48 ± 0.402
Latitude 38.6900 ± 0.0303
Longitude 15.7980 ± 0.0894
Depth (km) 181 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 204959

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) 8460.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00445
Epicentral distance of station farthest from the epicenter (degree) 0.01303
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 204959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:12:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ORI.Z. 1994-02-07T22:24:44.00 10.0 undecidable manual S 20 1.443 0.39 0.1
--.MO9.Z. 1994-02-07T22:24:33.66 10.0 undecidable manual S 187 0.6882 0.25 0.4
--.SOI.Z. 1994-02-07T22:24:32.87 10.0 undecidable manual S 162 0.6438 -0.13 0.5
--.GRI.Z. 1994-02-07T22:24:31.46 10.0 undecidable manual S 74 0.4995 -0.32 0.3
--.ORI.Z. 1994-02-07T22:24:20.00 10.0 undecidable manual P 20 1.443 -0.25 0.7
--.ROI.Z. 1994-02-07T22:24:17.20 10.0 undecidable manual P 34 1.0656 0.31 0.6
--.MO9.Z. 1994-02-07T22:24:14.18 10.0 negative manual P 187 0.6882 -0.18 2.4
--.SOI.Z. 1994-02-07T22:24:14.42 10.0 positive manual P 162 0.6438 0.3 1.5
--.GRI.Z. 1994-02-07T22:24:13.25 10.0 negative manual P 74 0.4995 -0.17 2.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download