Earthquake with magnitude of Md 2.2 on date 09-06-1990 and time 02:02:51 (UTC) in region Costa Ligure centro occidentale (Savona)

A magnitude Md 2.2 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 09-06-1990 02:02:51 (UTC)
  • 09-06-1990 04:02:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1380, 8.7140 at 8 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
27 Km SE of Savona (61345 inhabitants)
35 Km SW of Genova (586655 inhabitants)
82 Km E of Sanremo (54807 inhabitants)
87 Km S of Alessandria (93943 inhabitants)
89 Km W of La Spezia (93959 inhabitants)
94 Km SE of Asti (76202 inhabitants)
97 Km E 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
Md 2.2
M 2.4
1990-06-09
02:02:51
44.138 8.714 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 120719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-06-09 02:02:51 ± 0.606
Latitude 44.1380 ± 0.0189
Longitude 8.7140 ± 0.0158
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 120719

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) 2448.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.01765
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 120719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:52:05

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 120719
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
--.LPL.Z. 1990-06-09T02:03:51.00 10.0 undecidable manual SN 315 1.9536 1.39 0.1
--.LMR.Z. 1990-06-09T02:03:43.00 10.0 undecidable manual SN! 243 1.776 -2.24 0
--.FRF.Z. 1990-06-09T02:03:40.00 10.0 undecidable manual SN 249 1.5873 -0.83 0.4
--.PGF.Z. 1990-06-09T02:03:39.40 10.0 undecidable manual SN 172 1.5984 -1.54 0.1
--.PZZ.Z. 1990-06-09T02:03:30.81 10.0 undecidable manual SN 288 1.1988 -0.79 0.4
--.DOI.Z. 1990-06-09T02:03:30.54 10.0 undecidable manual SN 289 1.11 1.27 0.2
--.LPL.Z. 1990-06-09T02:03:26.80 10.0 undecidable manual PN 315 1.9536 1.62 0.2
--.STV.Z. 1990-06-09T02:03:25.51 10.0 undecidable manual SG 276 0.999 -0.64 0.5
--.SBF.Z. 1990-06-09T02:03:24.40 10.0 undecidable manual SG 253 0.9546 -0.51 0.6
--.ENR.Z. 1990-06-09T02:03:23.43 10.0 undecidable manual SG 275 0.9213 -0.57 0.6
--.LMR.Z. 1990-06-09T02:03:21.80 10.0 undecidable manual PN 243 1.776 -0.86 0.8
--.BOB.Z. 1990-06-09T02:03:21.20 10.0 undecidable manual SG 39 0.8103 0.85 0.4
--.PGF.Z. 1990-06-09T02:03:20.40 10.0 undecidable manual PN 172 1.5984 0.23 1.5
--.ORO.Z. 1990-06-09T02:03:20.50 10.0 undecidable manual PN 340 1.5762 0.69 1.1
--.FRF.Z. 1990-06-09T02:03:19.69 10.0 undecidable manual PN 249 1.5873 -0.42 1.3
--.PII.Z. 1990-06-09T02:03:16.90 10.0 undecidable manual PN 106 1.3653 -0.05 1.7
--.BDI.Z. 1990-06-09T02:03:16.60 10.0 undecidable manual PN 92 1.3431 -0.15 1.7
--.PZZ.Z. 1990-06-09T02:03:15.26 10.0 undecidable manual PN 288 1.1988 0.48 1.5
--.IMI.Z. 1990-06-09T02:03:15.46 10.0 undecidable manual SG 249 0.6327 1.06 0.3
--.DOI.Z. 1990-06-09T02:03:13.94 10.0 undecidable manual PN 289 1.11 0.5 1.5
--.ROB.Z. 1990-06-09T02:03:13.72 10.0 undecidable manual SG 285 0.6216 -0.43 0.7
--.STV.Z. 1990-06-09T02:03:12.18 10.0 undecidable manual PG 276 0.999 0.54 1.5
--.SBF.Z. 1990-06-09T02:03:11.19 10.0 undecidable manual PG 253 0.9546 0.27 1.8
--.ENR.Z. 1990-06-09T02:03:10.82 10.0 undecidable manual PG 275 0.9213 0.42 1.7
--.BOB.Z. 1990-06-09T02:03:07.85 10.0 undecidable manual PG 39 0.8103 -0.44 1.6
--.FIN.Z. 1990-06-09T02:03:06.30 10.0 undecidable manual SG 280 0.3663 0.08 0.8
--.CKI.Z. 1990-06-09T02:03:05.67 10.0 undecidable manual SG 312 0.4107 -1.91 0
--.IMI.Z. 1990-06-09T02:03:05.62 10.0 undecidable manual PG 249 0.6327 0.77 1.2
--.ROB.Z. 1990-06-09T02:03:04.46 10.0 undecidable manual PG 285 0.6216 -0.24 1.8
--.CKI.Z. 1990-06-09T02:03:00.29 10.0 negative manual PG 312 0.4107 -0.62 2.8
--.FIN.Z. 1990-06-09T02:02:59.98 10.0 undecidable manual PG 280 0.3663 0.01 1.9
--.PCP.Z. 1990-06-09T02:02:59.47 10.0 undecidable manual PG 343 0.4107 -1.45 0.3
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