Earthquake with magnitude of Md 1.9 on date 17-10-1988 and time 19:12:57 (UTC) in region 3 km SW Sauze di Cesana (TO)

A magnitude Md 1.9 earthquake occured in region: 3 km SW Sauze di Cesana (TO), on

  • 17-10-1988 19:12:57 (UTC)
  • 17-10-1988 20:12:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9160, 6.8440 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
Sauze di Cesana TO 3 244 244
Sestriere TO 5 929 1173
Cesana Torinese TO 6 967 2140
Claviere TO 8 214 2354
Sauze d'Oulx TO 13 1109 3463
Oulx TO 13 3307 6770
Pragelato TO 14 776 7546
Prali TO 17 246 7792
Salza di Pinerolo TO 17 75 7867
Massello TO 18 51 7918
Salbertrand TO 18 596 8514

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Moncalieri (57294 inhabitants)
68 Km W of Torino (890529 inhabitants)
81 Km NW of Cuneo (56081 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 1.9
M 2.0
1988-10-17
19:12:57
44.916 6.844 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 79019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-17 19:12:57 ± 0.115
Latitude 44.9160 ± 0.0062
Longitude 6.8440 ± 0.0127
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 79019

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) 1214.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00672
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 79019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:21

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79019
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
--.STV.Z. 1988-10-17T19:13:12.80 10.0 undecidable manual PG 152 0.7437 -0.04 1.2
--.LSD.Z. 1988-10-17T19:13:09.52 10.0 undecidable manual PG 21 0.5772 -0.27 0.4
--.RSP.Z. 1988-10-17T19:13:06.14 10.0 undecidable manual PG 50 0.3663 0.21 0.8
--.BNI.Z. 1988-10-17T19:13:05.50 10.0 undecidable manual SG 319 0.1665 -0.1 0.6
--.BNI.Z. 1988-10-17T19:13:02.50 10.0 undecidable manual PG 319 0.1665 0.17 1.1
--.RRL.Z. 1988-10-17T19:13:00.30 10.0 undecidable manual PG 275 0.0333 -0.03 1.9
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