Earthquake with magnitude of Md 2.3 on date 20-10-1988 and time 00:14:22 (Italy) in region 10 km SW Rhêmes Notre Dame (AO)

A magnitude Md 2.3 earthquake occured in region: 10 km SW Rhêmes Notre Dame (AO), on

  • 19-10-1988 23:14:22 (UTC)
  • 20-10-1988 00:14:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.52, 7.01 at 0 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
Rhêmes-Notre-Dame AO 10 89 89
Valgrisenche AO 13 196 285
Valsavarenche AO 18 161 446
Rhêmes-Saint-Georges AO 19 194 640
Ceresole Reale TO 20 156 796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NW of Torino (890529 inhabitants)
78 Km NW 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
Rev 1000 Md 2.3
M 2.4
1988-10-19
23:14:22
45.52 7.01 0 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 79309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-19 23:14:22 ± 0.383
Latitude 45.52 ± 0.02
Longitude 7.01 ± 0.02
Depth (km) 0 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79309

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) 3055.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.02501
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 79309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:37

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1988-10-19T23:15:42.00 10.0 undecidable manual SN 310 0.025 0.52 0.2
--.LBF.Z. 1988-10-19T23:15:36.00 10.0 undecidable manual SN 306 0.023 0.02 0.5
--.LOR.Z. 1988-10-19T23:15:08.40 10.0 undecidable manual PN 310 0.025 0.51 0.6
--.LBF.Z. 1988-10-19T23:15:04.80 10.0 undecidable manual PN 306 0.023 0.08 1.1
--.BNI.Z. 1988-10-19T23:14:43.73 10.0 undecidable manual SG 206 0.0047 1.62 0
--.RRL.Z. 1988-10-19T23:14:35.24 10.0 undecidable manual PG 195 0.0055 -0.45 1.2
--.BNI.Z. 1988-10-19T23:14:33.68 10.0 undecidable manual PG 206 0.0047 0.07 1.8
--.RSP.Z. 1988-10-19T23:14:30.62 10.0 undecidable manual PG 154 0.0036 -0.43 1.2
--.LPG.Z. 1988-10-19T23:14:25.90 10.0 undecidable manual PG 263 0.0016 -0.16 1.7
--.LPL.Z. 1988-10-19T23:14:25.80 10.0 undecidable manual PG 269 0.0017 -0.53 1
--.LSD.Z. 1988-10-19T23:14:24.88 10.0 undecidable manual PG 121 0.0011 0.22 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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