Earthquake with magnitude of Md 2.3 on date 17-02-1989 and time 23:45:43 (Italy) in region 4 km NW San Giovanni in Fiore (CS)

A magnitude Md 2.3 earthquake occured in region: 4 km NW San Giovanni in Fiore (CS), on

  • 17-02-1989 22:45:43 (UTC)
  • 17-02-1989 23:45:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.2880, 16.6790 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
San Giovanni in Fiore CS 4 17372 17372
Castelsilano KR 8 1015 18387
Savelli KR 9 1271 19658
Cerenzia KR 10 1152 20810
Cotronei KR 11 5480 26290
Caccuri KR 11 1663 27953
Verzino KR 16 1851 29804
Bocchigliero CS 16 1298 31102
Campana CS 19 1813 32915
Longobucco CS 19 3183 36098
Belvedere di Spinello KR 20 2297 38395

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Cosenza (67546 inhabitants)
43 Km N of Catanzaro (90612 inhabitants)
45 Km NW of Crotone (62178 inhabitants)
47 Km NE of Lamezia Terme (70714 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 2.3
ML-VAX 1.5
1989-02-17
22:45:43
39.288 16.679 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 87189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-17 22:45:43 ± 0.354
Latitude 39.2880 ± 0.0152
Longitude 16.6790 ± 0.0553
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87189

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) 5048.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00518
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 87189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:21:50

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 87189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GRI.Z. 1989-02-17T22:46:01.00 10.0 undecidable manual SG? 203 0.4995 -0.46 0
--.TDS.Z. 1989-02-17T22:45:58.95 10.0 undecidable manual SG 324 0.444 -0.88 0.2
--.ROI.Z. 1989-02-17T22:45:55.36 10.0 undecidable manual SG 343 0.2997 0.64 0.4
--.CSI.Z. 1989-02-17T22:45:54.64 10.0 undecidable manual PG 329 0.5772 -0.47 1.2
--.GRI.Z. 1989-02-17T22:45:53.24 10.0 undecidable manual PG 203 0.4995 -0.53 1
--.CZI.Z. 1989-02-17T22:45:53.32 10.0 undecidable manual PG 260 0.4218 1.01 0.7
--.TDS.Z. 1989-02-17T22:45:52.46 10.0 undecidable manual PG 324 0.444 -0.37 1.5
--.ROI.Z. 1989-02-17T22:45:50.36 10.0 undecidable manual PG 343 0.2997 0.48 1.3
--.SE2.Z. 1989-02-17T22:45:49.72 10.0 undecidable manual PG 173 0.2775 0.12 1.9
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