Earthquake with magnitude of M 2.4 on date 25-10-1990 and time 14:39:24 (Italy) in region 1 km E Limone Piemonte (CN)

A magnitude M 2.4 earthquake occured in region: 1 km E Limone Piemonte (CN), on

  • 25-10-1990 13:39:24 (UTC)
  • 25-10-1990 14:39:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2060, 7.5870 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
Limone Piemonte CN 1 1485 1485
Vernante CN 6 1178 2663
Robilante CN 12 2306 4969
Roaschia CN 13 107 5076
Boves CN 14 9835 14911
Peveragno CN 14 5543 20454
Roccavione CN 15 2761 23215
Chiusa di Pesio CN 15 3676 26891
Entracque CN 16 774 27665
Borgo San Dalmazzo CN 16 12468 40133
Valdieri CN 17 935 41068
Roccaforte Mondovì CN 18 2085 43153
Beinette CN 19 3423 46576
Briga Alta CN 19 39 46615
Roccasparvera CN 19 741 47356
Vignolo CN 20 2600 49956
Frabosa Soprana CN 20 759 50715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Cuneo (56081 inhabitants)
46 Km NW of Sanremo (54807 inhabitants)
72 Km W of Savona (61345 inhabitants)
89 Km S of Moncalieri (57294 inhabitants)
91 Km SW of Asti (76202 inhabitants)
97 Km S 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
M 2.4 1990-10-25
13:39:24
44.206 7.587 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 129409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-25 13:39:24 ± 0.201
Latitude 44.2060 ± 0.0087
Longitude 7.5870 ± 0.0292
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129409

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) 2519.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01271
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 129409
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(km) Takeoff_angle Residual Weight
--.LMR.Z. 1990-10-25T13:40:02.00 10.0 undecidable manual SN 221 1.1544 -0.25 0.5
--.LRG.Z. 1990-10-25T13:40:02.00 10.0 undecidable manual SN 229 1.1544 -0.05 0.8
--.FRF.Z. 1990-10-25T13:39:55.60 10.0 undecidable manual SG 226 0.9324 -0.36 0.3
--.LPG.Z. 1990-10-25T13:39:49.41 10.0 undecidable manual PN 335 1.4097 -0.14 1.5
--.LMR.Z. 1990-10-25T13:39:46.00 10.0 undecidable manual PN 221 1.1544 -0.1 1.8
--.LRG.Z. 1990-10-25T13:39:46.41 10.0 undecidable manual PN 229 1.1544 0.43 0.4
--.FRF.Z. 1990-10-25T13:39:42.70 10.0 undecidable manual PG 226 0.9324 0.23 1.4
--.SBF.Z. 1990-10-25T13:39:37.60 10.0 undecidable manual SG 197 0.3552 0.11 0.8
--.SBF.Z. 1990-10-25T13:39:31.59 10.0 undecidable manual PG 197 0.3552 -0.21 1.5
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