Earthquake with magnitude of M 2.1 on date 27-05-1990 and time 04:56:12 (Italy) in region Confine Italia Francia (FRANCIA)

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

  • 27-05-1990 02:56:12 (UTC)
  • 27-05-1990 04:56:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0060, 6.7410 at 5 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
Cesana Torinese TO 7 967 967
Claviere TO 7 214 1181
Oulx TO 8 3307 4488
Bardonecchia TO 9 3215 7703
Sauze d'Oulx TO 10 1109 8812
Sauze di Cesana TO 12 244 9056
Sestriere TO 12 929 9985
Salbertrand TO 14 596 10581
Pragelato TO 16 776 11357
Exilles TO 18 273 11630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km W of Torino (890529 inhabitants)
74 Km W of Moncalieri (57294 inhabitants)
94 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
M 2.1 1990-05-27
02:56:12
45.006 6.741 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-27 02:56:12 ± 0.165
Latitude 45.0060 ± 0.0078
Longitude 6.7410 ± 0.0288
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119839

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) 2427.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.01506
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 119839
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
--.LMR.Z. 1990-05-27T02:56:42.00 10.0 undecidable manual PN 185 1.6761 -0.02 1.1
--.LRG.Z. 1990-05-27T02:56:41.40 10.0 undecidable manual PN 190 1.5762 0.83 0.3
--.FRF.Z. 1990-05-27T02:56:39.00 10.0 undecidable manual PN 182 1.443 0.18 1.1
--.SBF.Z. 1990-05-27T02:56:36.20 10.0 undecidable manual PN 156 1.2432 0.15 1.3
--.LPL.Z. 1990-05-27T02:56:31.30 10.0 undecidable manual SG 359 0.4995 -0.06 0.7
--.LPG.Z. 1990-05-27T02:56:30.20 10.0 undecidable manual SG 0 0.4884 -0.56 0.3
--.LSD.Z. 1990-05-27T02:56:24.14 10.0 undecidable manual PG 32 0.5328 0.41 1.2
--.PZZ.Z. 1990-05-27T02:56:23.12 10.0 undecidable manual PG 152 0.555 -1.08 0.1
--.LPL.Z. 1990-05-27T02:56:23.00 10.0 undecidable manual PG 359 0.4995 -0.23 1.5
--.LPG.Z. 1990-05-27T02:56:22.70 10.0 undecidable manual PG 0 0.4884 -0.18 1.6
--.RSP.Z. 1990-05-27T02:56:21.27 10.0 undecidable manual PG 68 0.3885 0.37 1.3
--.RRL.Z. 1990-05-27T02:56:14.20 10.0 undecidable manual PG 160 0.0888 -0.18 1.6
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