Earthquake with magnitude of Md 1.8 on date 24-11-1988 and time 17:30:37 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude Md 1.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 24-11-1988 17:30:37 (UTC)
  • 24-11-1988 18:30:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5910, 6.9030 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bellino CN 9 109 109
Pontechianale CN 11 179 288
Casteldelfino CN 13 157 445
Acceglio CN 15 162 607
Elva CN 16 97 704
Prazzo CN 17 170 874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km W of Cuneo (56081 inhabitants)
77 Km SW of Moncalieri (57294 inhabitants)
82 Km SW of Torino (890529 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 1.8
M 2.1
1988-11-24
17:30:37
44.591 6.903 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 81899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-11-24 17:30:37 ± 0.19
Latitude 44.5910 ± 0.0124
Longitude 6.9030 ± 0.0223
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 81899

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) 2237.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00672
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 81899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:17:00

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 81899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1988-11-24T17:31:03.10 10.0 undecidable manual SG 112 0.7437 -0.61 0.1
--.RSP.Z. 1988-11-24T17:30:58.80 10.0 undecidable manual SG 24 0.6105 -0.53 0.2
--.BNI.Z. 1988-11-24T17:30:55.00 10.0 undecidable manual SG 341 0.4884 -0.27 0.6
--.STV.Z. 1988-11-24T17:30:53.80 10.0 undecidable manual SG 138 0.444 -0.48 0.3
--.ROB.Z. 1988-11-24T17:30:52.88 10.0 undecidable manual PG 112 0.7437 0.16 1.5
--.RRL.Z. 1988-11-24T17:30:50.10 10.0 undecidable manual SG 345 0.333 -0.43 0.4
--.RSP.Z. 1988-11-24T17:30:50.74 10.0 undecidable manual PG 24 0.6105 0.54 0.4
--.BNI.Z. 1988-11-24T17:30:48.00 10.0 undecidable manual PG 341 0.4884 0.14 1.9
--.DOI.Z. 1988-11-24T17:30:48.00 10.0 undecidable manual SG 109 0.2553 0.05 0.9
--.STV.Z. 1988-11-24T17:30:47.10 10.0 undecidable manual PG 138 0.444 -0.18 1.9
--.DOI.Z. 1988-11-24T17:30:44.00 10.0 undecidable manual PG 109 0.2553 0.37 1.1
--.RRL.Z. 1988-11-24T17:30:44.94 10.0 undecidable manual PG 345 0.333 -0.17 1.9
--.PZZ.Z. 1988-11-24T17:30:44.80 10.0 undecidable manual SG 121 0.1665 -0.14 0.8
--.PZZ.Z. 1988-11-24T17:30:42.00 10.0 undecidable manual PG 121 0.1665 0.11 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download