Earthquake with magnitude of M 3.3 on date 14-02-1985 and time 21:13:44 (Italy) in region Mare di Corsica (MARE)

A magnitude M 3.3 earthquake occured in region: Mare di Corsica (MARE), on

  • 14-02-1985 20:13:44 (UTC)
  • 14-02-1985 21:13:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.68, 7.94 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 M 3.3 1985-02-14
20:13:44
42.68 7.94 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 1719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-14 20:13:44 ± 0.282
Latitude 42.68 ± 0.03
Longitude 7.94 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1719

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) 3464.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00615
Epicentral distance of station farthest from the epicenter (degree) 0.05092
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

M:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LFF.Z. 1985-02-14T20:15:08.40 10.0 undecidable manual PN 296 0.0509 0.27 0.9
--.LPO.Z. 1985-02-14T20:15:03.00 10.0 undecidable manual PN 295 0.0474 0.21 1
--.CAF.Z. 1985-02-14T20:14:56.40 10.0 undecidable manual PN 300 0.0431 0.18 1.1
--.ROB.Z. 1985-02-14T20:14:33.00 10.0 undecidable manual SN 358 0.0146 -0.46 0.6
--.STV.Z. 1985-02-14T20:14:32.70 10.0 undecidable manual SN 345 0.0147 -0.98 0.2
--.ENR.Z. 1985-02-14T20:14:31.80 10.0 undecidable manual SN 347 0.0143 -0.93 0.2
--.ENR.Z. 1985-02-14T20:14:13.00 10.0 undecidable manual PN 347 0.0143 0.74 0.8
--.ROB.Z. 1985-02-14T20:14:13.40 10.0 undecidable manual PN 358 0.0146 0.71 0.9
--.STV.Z. 1985-02-14T20:14:13.60 10.0 undecidable manual PN 345 0.0147 0.78 0.8
--.FIN.Z. 1985-02-14T20:14:11.70 10.0 undecidable manual PN 7 0.0138 0.15 1.9
--.LRG.Z. 1985-02-14T20:14:09.20 10.0 undecidable manual PN 305 0.0125 -0.26 1.8
--.FRF.Z. 1985-02-14T20:14:07.60 10.0 undecidable manual PN 314 0.0116 -0.51 1.3
--.CVF.Z. 1985-02-14T20:14:07.40 10.0 undecidable manual SG 99 0.0062 -1.04 0.1
--.IMP.Z. 1985-02-14T20:14:07.30 10.0 undecidable manual PN 359 0.0112 -0.1 1.9
--.LMR.Z. 1985-02-14T20:14:06.40 10.0 undecidable manual PN 303 0.0111 -0.92 0.5
--.CVF.Z. 1985-02-14T20:13:58.40 10.0 undecidable manual PG 99 0.0062 0.16 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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