Earthquake with magnitude of M 2.1 on date 29-08-1992 and time 05:13:05 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude M 2.1 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 29-08-1992 03:13:05 (UTC)
  • 29-08-1992 05:13:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5600, 7.6240 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Sanremo (54807 inhabitants)
93 Km S 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 1992-08-29
03:13:05
43.56 7.624 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 172469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-29 03:13:05 ± 0.476
Latitude 43.5600 ± 0.0159
Longitude 7.6240 ± 0.0324
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 172469

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) 3155.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00826
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 172469
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
--.LRG.Z. 1992-08-29T03:13:36.30 10.0 undecidable manual SG 263 0.9213 -0.33 0.5
--.LMR.Z. 1992-08-29T03:13:33.70 10.0 undecidable manual SG 254 0.8325 -0.29 0.5
--.FRF.Z. 1992-08-29T03:13:30.30 10.0 undecidable manual SG 270 0.6993 0.55 0.3
--.LRG.Z. 1992-08-29T03:13:23.20 10.0 undecidable manual PG 263 0.9213 -0.1 1.8
--.LMR.Z. 1992-08-29T03:13:21.50 10.0 undecidable manual PG 254 0.8325 -0.28 1.4
--.FRF.Z. 1992-08-29T03:13:19.90 10.0 undecidable manual PG 270 0.6993 0.57 0.6
--.SBF.Z. 1992-08-29T03:13:17.40 10.0 undecidable manual SG 335 0.3219 -0.29 0.6
--.SBF.Z. 1992-08-29T03:13:12.40 10.0 undecidable manual PG 335 0.3219 0.03 2.3
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