Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 01-08-1988 and time 04:12:48 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 01-08-1988 02:12:48 (UTC)
  • 01-08-1988 04:12:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1340, 6.5990 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.

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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 10 3215 3215

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km W of Torino (890529 inhabitants)
87 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 2.4 1988-08-01
02:12:48		 45.134 6.599 12 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 74399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-08-01 02:12:48 ± 0.234
Latitude 45.1340 ± 0.0064
Longitude 6.5990 ± 0.0274
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 74399

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) 2260.4
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 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01376
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 74399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:10:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMI.Z. 1988-08-01T02:13:34.20 10.0 undecidable manual SN 142 1.5318 -1.21 0
--.FIN.Z. 1988-08-01T02:13:32.90 10.0 undecidable manual SN 128 1.4652 -1.08 0
--.ORX.Z. 1988-08-01T02:13:24.70 10.0 undecidable manual SN 62 1.0878 -0.24 0.5
--.STV.Z. 1988-08-01T02:13:23.20 10.0 undecidable manual SN 149 1.0101 -0.13 0.6
--.IMI.Z. 1988-08-01T02:13:15.50 10.0 undecidable manual PN 142 1.5318 -0.24 1
--.DOI.Z. 1988-08-01T02:13:15.50 10.0 undecidable manual SG 143 0.777 -0.74 0.2
--.PZZ.Z. 1988-08-01T02:13:14.20 10.0 undecidable manual SG 150 0.7215 0.23 0.6
--.FIN.Z. 1988-08-01T02:13:14.90 10.0 undecidable manual PN 128 1.4652 -0.02 1.2
--.ROB.Z. 1988-08-01T02:13:12.40 10.0 undecidable manual PN 132 1.221 0.82 0.2
--.ORX.Z. 1988-08-01T02:13:10.50 10.0 undecidable manual PN 62 1.0878 0.8 0.3
--.STV.Z. 1988-08-01T02:13:09.20 10.0 undecidable manual PN 149 1.0101 0.43 0.9
--.RSP.Z. 1988-08-01T02:13:06.00 10.0 undecidable manual SG 87 0.4551 0.3 0.6
--.LSD.Z. 1988-08-01T02:13:06.60 10.0 undecidable manual SG 50 0.4995 -0.48 0.4
--.DOI.Z. 1988-08-01T02:13:04.25 10.0 negative manual PG 143 0.777 -0.16 3.4
--.PZZ.Z. 1988-08-01T02:13:03.10 10.0 undecidable manual PG 150 0.7215 -0.26 1.6
--.LPL.Z. 1988-08-01T02:13:03.20 10.0 undecidable manual SG 13 0.3885 -0.24 0.6
--.LPG.Z. 1988-08-01T02:13:02.80 10.0 undecidable manual SG 16 0.3774 -0.17 0.7
--.RRL.Z. 1988-08-01T02:12:59.30 10.0 undecidable manual SG 148 0.2442 0.45 0.4
--.RSP.Z. 1988-08-01T02:12:59.20 10.0 undecidable manual PG 87 0.4551 0.61 0.7
--.LSD.Z. 1988-08-01T02:12:59.30 10.0 undecidable manual PG 50 0.4995 -0.08 1.8
--.LPL.Z. 1988-08-01T02:12:56.90 10.0 undecidable manual PG 13 0.3885 -0.38 1.2
--.LPG.Z. 1988-08-01T02:12:56.90 10.0 undecidable manual PG 16 0.3774 -0.11 1.8
--.BNI.Z. 1988-08-01T02:12:54.18 10.0 undecidable manual SG 145 0.0888 -0.12 0.7
--.RRL.Z. 1988-08-01T02:12:54.70 10.0 undecidable manual PG 148 0.2442 0.07 1.8
--.BNI.Z. 1988-08-01T02:12:52.10 10.0 positive manual PG 145 0.0888 0.01 3.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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