Earthquake with magnitude of Md 2.1 on date 27-10-1988 and time 05:25:26 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 27-10-1988 04:25:26 (UTC)
  • 27-10-1988 05:25:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.2320, 6.5870 at 12 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
Bardonecchia TO 19 3215 3215

Municipalities with at least 50000 inhabitants

An earthquake occurred to
88 Km W of Torino (890529 inhabitants)
90 Km W of Moncalieri (57294 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 2.1 1988-10-27
04:25:26
45.232 6.587 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 79879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-27 04:25:26 ± 0.177
Latitude 45.2320 ± 0.0053
Longitude 6.5870 ± 0.0174
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79879

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) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00947
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 79879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:15:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ORX.Z. 1988-10-27T04:26:01.10 10.0 undecidable manual SN 67 1.0545 -0.51 0.1
--.SOO.Z. 1988-10-27T04:25:54.00 10.0 undecidable manual SG 153 0.8103 -0.45 0.2
--.ORX.Z. 1988-10-27T04:25:46.90 10.0 undecidable manual PN 67 1.0545 0.15 1.3
--.RSP.Z. 1988-10-27T04:25:43.80 10.0 undecidable manual SG 99 0.4773 0.04 0.9
--.SOO.Z. 1988-10-27T04:25:42.70 10.0 undecidable manual PG 153 0.8103 0.09 1.6
--.LSD.Z. 1988-10-27T04:25:42.80 10.0 undecidable manual SG 60 0.4551 -0.3 0.5
--.RRL.Z. 1988-10-27T04:25:39.60 10.0 undecidable manual SG 155 0.333 0.25 0.6
--.LPG.Z. 1988-10-27T04:25:37.60 10.0 undecidable manual SG 23 0.2886 -0.1 0.8
--.LSD.Z. 1988-10-27T04:25:36.20 10.0 undecidable manual PG 60 0.4551 0.13 2
--.RSP.Z. 1988-10-27T04:25:36.90 10.0 undecidable manual PG 99 0.4773 0.46 0.6
--.BNI.Z. 1988-10-27T04:25:34.00 10.0 undecidable manual SG 160 0.1887 -0.6 0.1
--.RRL.Z. 1988-10-27T04:25:34.10 10.0 undecidable manual PG 155 0.333 0.2 1.7
--.LPG.Z. 1988-10-27T04:25:32.80 10.0 undecidable manual PG 23 0.2886 -0.15 1.9
--.BNI.Z. 1988-10-27T04:25:31.00 10.0 undecidable manual PG 160 0.1887 -0.16 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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