Earthquake with magnitude of Md 3.4 on date 28-06-1989 and time 10:15:16 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude Md 3.4 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 28-06-1989 08:15:16 (UTC)
  • 28-06-1989 10:15:16 (UTC +02:00) Italian time
  • 28-06-1989 11:15:16 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.2030, 20.4080 at 5 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 3.4
M 3.5
1989-06-28
08:15:16
38.203 20.408 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 94059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-06-28 08:15:16 ± 0.299
Latitude 38.2030 ± 0.0290
Longitude 20.4080 ± 0.0225
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 94059

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) 3771.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.05051
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 94059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:28:06

M:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 94059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1989-06-28T08:17:07.00 10.0 undecidable manual SN 298 4.218 -1.57 0
--.GRI.Z. 1989-06-28T08:16:44.00 10.0 undecidable manual SN 282 3.1746 0.36 0.6
--.SGG.Z. 1989-06-28T08:16:41.40 10.0 undecidable manual PN 306 5.6055 1.25 0.2
--.LCI.Z. 1989-06-28T08:16:34.00 10.0 undecidable manual SN 321 2.7639 0.02 0.6
--.MT9.Z. 1989-06-28T08:16:27.00 10.0 undecidable manual PN 297 4.5954 0.7 0.8
--.MGR.Z. 1989-06-28T08:16:20.50 10.0 undecidable manual PN 298 4.218 -0.58 0.9
--.SKO.Z. 1989-06-28T08:16:16.00 10.0 undecidable manual PN 11 3.8406 0.13 1.4
--.VAY.Z. 1989-06-28T08:16:12.00 10.0 undecidable manual PN 27 3.5187 0.49 1.2
--.GRI.Z. 1989-06-28T08:16:06.00 10.0 undecidable manual PN 282 3.1746 -0.69 0.9
--.OHR.Z. 1989-06-28T08:16:02.79 10.0 undecidable manual PN 5 2.9082 -0.37 1.4
--.LCI.Z. 1989-06-28T08:16:00.50 10.0 undecidable manual PN 321 2.7639 -0.61 1.1
--.LSK.Z. 1989-06-28T08:15:50.10 10.0 undecidable manual PN 4 1.9425 0.27 1.5
--.SRN.Z. 1989-06-28T08:15:46.50 10.0 undecidable manual PN 349 1.6983 0.04 1.6
--.ITM.Z. 1989-06-28T08:15:45.70 10.0 undecidable manual PN 130 1.5762 1.01 0.5
--.VLS.Z. 1989-06-28T08:15:19.00 10.0 negative manual PG 100 0.1443 -0.58 2.2
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