Earthquake with magnitude of M 2.2 on date 29-12-1989 and time 15:54:52 (Italy) in region 5 km W Argentera (CN)

A magnitude M 2.2 earthquake occured in region: 5 km W Argentera (CN), on

  • 29-12-1989 14:54:52 (UTC)
  • 29-12-1989 15:54:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3630, 6.9090 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
Argentera CN 5 83 83
Pietraporzio CN 10 77 160
Sambuco CN 14 92 252
Acceglio CN 14 162 414
Canosio CN 17 80 494
Prazzo CN 18 170 664
Marmora CN 18 68 732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km W of Cuneo (56081 inhabitants)
92 Km NW of Sanremo (54807 inhabitants)
94 Km SW 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
Bulletin
Rev1000
M 2.2 1989-12-29
14:54:52
44.363 6.909 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 106939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-12-29 14:54:52 ± 0.252
Latitude 44.3630 ± 0.0127
Longitude 6.9090 ± 0.0216
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 106939

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) 2223.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 106939
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
--.LRG.Z. 1989-12-29T14:55:24.40 10.0 undecidable manual SG 203 0.9879 -1.67 0
--.IMI.Z. 1989-12-29T14:55:20.11 10.0 undecidable manual SG 122 0.8325 -1.08 0.1
--.FRF.Z. 1989-12-29T14:55:18.20 10.0 undecidable manual SG! 193 0.8214 -2.54 0
--.ROB.Z. 1989-12-29T14:55:15.91 10.0 undecidable manual SG 94 0.6882 -0.58 0.5
--.SBF.Z. 1989-12-29T14:55:13.60 10.0 undecidable manual SG 142 0.6216 -0.78 0.3
--.LRG.Z. 1989-12-29T14:55:12.40 10.0 undecidable manual PG 203 0.9879 0.57 1
--.RRL.Z. 1989-12-29T14:55:11.90 10.0 undecidable manual SG 351 0.555 -1.32 0.1
--.FIN.Z. 1989-12-29T14:55:11.90 10.0 undecidable manual PG 99 0.9324 0.14 1.5
--.RSP.Z. 1989-12-29T14:55:09.14 10.0 undecidable manual PG 17 0.8214 0.34 1.5
--.IMI.Z. 1989-12-29T14:55:09.34 10.0 undecidable manual PG 122 0.8325 0.32 1.5
--.FRF.Z. 1989-12-29T14:55:08.80 10.0 undecidable manual PG 193 0.8214 0.05 1.7
--.ROB.Z. 1989-12-29T14:55:06.16 10.0 undecidable manual PG 94 0.6882 -0.14 1.8
--.ENR.Z. 1989-12-29T14:55:06.37 10.0 undecidable manual SG 110 0.3885 -0.44 0.6
--.SBF.Z. 1989-12-29T14:55:06.20 10.0 undecidable manual PG 142 0.6216 1.11 0.4
--.RRL.Z. 1989-12-29T14:55:03.50 10.0 undecidable manual PG 351 0.555 -0.45 1.5
--.STV.Z. 1989-12-29T14:55:03.91 10.0 undecidable manual SG 110 0.3108 -0.68 0.4
--.PZZ.Z. 1989-12-29T14:55:01.14 10.0 undecidable manual SG 43 0.1887 0.5 0.6
--.ENR.Z. 1989-12-29T14:55:00.74 10.0 undecidable manual PG 110 0.3885 0.02 2
--.STV.Z. 1989-12-29T14:54:59.54 10.0 undecidable manual PG 110 0.3108 0.11 1.9
--.PZZ.Z. 1989-12-29T14:54:57.52 10.0 undecidable manual PG 43 0.1887 0.37 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