Earthquake with magnitude of M 2.3 on date 16-02-1990 and time 10:44:22 (UTC) in region 11 km NW Acceglio (CN)

A magnitude M 2.3 earthquake occured in region: 11 km NW Acceglio (CN), on

  • 16-02-1990 10:44:22 (UTC)
  • 16-02-1990 11:44:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5390, 6.8820 at 15 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
Acceglio CN 11 162 162
Bellino CN 12 109 271
Pontechianale CN 15 179 450
Prazzo CN 15 170 620
Casteldelfino CN 16 157 777
Elva CN 17 97 874
Canosio CN 18 80 954
Argentera CN 19 83 1037
Marmora CN 19 68 1105
Stroppo CN 20 103 1208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km W of Cuneo (56081 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
87 Km SW 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 2.3 1990-02-16
10:44:22
44.539 6.882 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 110349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-16 10:44:22 ± 0.311
Latitude 44.5390 ± 0.0128
Longitude 6.8820 ± 0.0361
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 110349

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) 3192.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00842
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 110349
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
--.LSD.Z. 1990-02-16T10:44:53.00 10.0 undecidable manual SN 11 0.9324 -1.13 0
--.RSP.Z. 1990-02-16T10:44:45.62 10.0 undecidable manual SG 23 0.666 0 0.7
--.LSD.Z. 1990-02-16T10:44:41.31 10.0 undecidable manual PN 11 0.9324 0.67 0.4
--.ENR.Z. 1990-02-16T10:44:39.78 10.0 undecidable manual SG 128 0.4995 -0.3 0.6
--.STV.Z. 1990-02-16T10:44:37.93 10.0 undecidable manual SG 131 0.4218 -0.08 0.8
--.RRL.Z. 1990-02-16T10:44:36.49 10.0 undecidable manual SG 349 0.3885 -0.2 0.7
--.RSP.Z. 1990-02-16T10:44:36.18 10.0 undecidable manual PG 23 0.666 0.45 1
--.ENR.Z. 1990-02-16T10:44:32.59 10.0 undecidable manual PG 128 0.4995 0.05 2.1
--.STV.Z. 1990-02-16T10:44:31.16 10.0 undecidable manual PG 131 0.4218 -0.18 1.9
--.RRL.Z. 1990-02-16T10:44:30.14 10.0 undecidable manual PG 349 0.3885 -0.43 1.3
--.PZZ.Z. 1990-02-16T10:44:29.42 10.0 undecidable manual SG 102 0.1554 -0.31 0.7
--.PZZ.Z. 1990-02-16T10:44:26.85 10.0 undecidable manual PG 102 0.1554 0.3 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download