Earthquake with magnitude of Md 2.3 on date 27-02-1986 and time 09:48:32 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.3 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 27-02-1986 09:48:32 (UTC)
  • 27-02-1986 10:48:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0050, 6.8480 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

An earthquake occurred to
71 Km SW of Cuneo (56081 inhabitants)
78 Km W of Sanremo (54807 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 1986-02-27
09:48:32
44.005 6.848 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-27 09:48:32 ± 0.234
Latitude 44.0050 ± 0.0165
Longitude 6.8480 ± 0.0274
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23239

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) 2858.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00380
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 23239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FIN.-. 1986-02-27T09:49:07.00 10.0 undecidable manual SG 78 0.9879 0.64 0.5
--.ROB.-. 1986-02-27T09:48:59.80 10.0 undecidable manual SG 67 0.7881 0.01 0.7
--.IMP.-. 1986-02-27T09:48:58.80 10.0 undecidable manual SG 96 0.7548 0.15 0.7
--.LRG.Z. 1986-02-27T09:48:55.00 10.0 undecidable manual SG 213 0.6438 -0.3 0.8
--.LMR.Z. 1986-02-27T09:48:55.20 10.0 undecidable manual SG 200 0.7104 -2.06 0.1
--.FIN.-. 1986-02-27T09:48:52.70 10.0 undecidable manual PG 78 0.9879 0.68 1.2
--.RRL.-. 1986-02-27T09:48:52.50 10.0 undecidable manual PG 357 0.9102 2 0.2
--.DA9.Z. 1986-02-27T09:48:52.00 10.0 undecidable manual SG 29 0.5661 -0.76 0.3
--.SOO.-. 1986-02-27T09:48:51.20 10.0 undecidable manual SG 20 0.5328 -0.21 0.6
--.IMP.-. 1986-02-27T09:48:49.20 10.0 undecidable manual PG 96 0.7548 1.63 0.3
--.ENR.-. 1986-02-27T09:48:48.20 10.0 undecidable manual SG 61 0.4551 -1.13 0.3
--.FRF.Z. 1986-02-27T09:48:48.90 10.0 undecidable manual SG 198 0.4551 -0.44 0.7
--.ROB.-. 1986-02-27T09:48:48.20 10.0 undecidable manual PG 67 0.7881 -0.03 1.8
--.LRG.Z. 1986-02-27T09:48:46.00 10.0 undecidable manual PG 213 0.6438 0.37 1.8
--.LMR.Z. 1986-02-27T09:48:46.50 10.0 undecidable manual PG 200 0.7104 -0.27 1.8
--.STV.-. 1986-02-27T09:48:46.90 10.0 undecidable manual SG 54 0.4218 -1.07 0.3
--.DA9.Z. 1986-02-27T09:48:44.00 10.0 undecidable manual PG 29 0.5661 -0.17 1.7
--.SOO.-. 1986-02-27T09:48:43.70 10.0 undecidable manual PG 20 0.5328 0.32 2
--.FRF.Z. 1986-02-27T09:48:42.30 10.0 undecidable manual PG 198 0.4551 0.11 2
--.STV.-. 1986-02-27T09:48:41.00 10.0 undecidable manual PG 54 0.4218 -0.4 1.6
--.ENR.-. 1986-02-27T09:48:41.80 10.0 undecidable manual PG 61 0.4551 -0.38 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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