Earthquake with magnitude of Md 3.5 on date 23-10-1988 and time 23:34:23 (Italy) in region Greece [Land]

A magnitude Md 3.5 earthquake occured in region: Greece [Land], on

  • 23-10-1988 22:34:23 (UTC)
  • 23-10-1988 23:34:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.7010, 20.5900 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

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 3.5
M 4.0
1988-10-23
22:34:23
39.701 20.59 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 79679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-23 22:34:23 ± 0.264
Latitude 39.7010 ± 0.0254
Longitude 20.5900 ± 0.0228
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79679

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) 3431.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.07609
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 79679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:58

M:4.0

Field Value
Value 4.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79679
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
--.RBL.Z. 1988-10-23T22:36:26.93 10.0 undecidable manual PN 324 8.4471 1.23 0.5
--.HVA.Z. 1988-10-23T22:36:23.30 10.0 undecidable manual SN 319 4.6398 -1.42 0.2
--.VOY.Z. 1988-10-23T22:36:18.00 10.0 undecidable manual PN 324 7.992 -1.4 0.4
--.CEY.Z. 1988-10-23T22:36:13.00 10.0 undecidable manual PN 324 7.5258 -0.05 1
--.VBY.Z. 1988-10-23T22:36:07.60 10.0 undecidable manual PN 327 6.993 1.96 0.2
--.ARV.Z. 1988-10-23T22:36:03.55 10.0 undecidable manual PN 305 6.8487 -0.13 1
--.SDI.Z. 1988-10-23T22:35:45.53 10.0 undecidable manual PN 293 5.5056 0.31 1.1
--.DUI.Z. 1988-10-23T22:35:39.49 10.0 undecidable manual PN 294 5.0283 0.75 1
--.PVL.Z. 1988-10-23T22:35:38.00 10.0 undecidable manual PN 42 4.8507 1.7 0.4
--.MEU.Z. 1988-10-23T22:35:38.15 10.0 undecidable manual PN 241 5.1948 -2.77 0.1
--.BSS.Z. 1988-10-23T22:35:33.60 10.0 undecidable manual PN 285 4.5177 1.38 0.6
--.FG2.Z. 1988-10-23T22:35:32.68 10.0 undecidable manual PN 298 4.6065 -0.22 1.3
--.HVA.Z. 1988-10-23T22:35:32.10 10.0 undecidable manual PN 319 4.6398 -1.38 0.6
--.PRK.Z. 1988-10-23T22:35:31.50 10.0 undecidable manual PN 93 4.3956 1.48 0.6
--.SKO.Z. 1988-10-23T22:35:30.50 10.0 undecidable manual SN 15 2.3532 0.45 0.8
--.PLG.Z. 1988-10-23T22:35:28.70 10.0 undecidable manual SN 71 2.2866 0.38 0.5
--.ATN.Z. 1988-10-23T22:35:28.40 10.0 undecidable manual PN 250 4.2624 -0.16 1.4
--.SC9.Z. 1988-10-23T22:35:24.20 10.0 undecidable manual PN 250 4.0404 -0.96 1
--.MS1.Z. 1988-10-23T22:35:24.00 10.0 undecidable manual PN 300 4.0404 -1.14 0.8
--.FE2.Z. 1988-10-23T22:35:24.36 10.0 undecidable manual PN 245 3.8739 1.59 0.5
--.GMB.Z. 1988-10-23T22:35:23.90 10.0 undecidable manual PN 248 3.996 -0.63 1.2
--.SOI.Z. 1988-10-23T22:35:23.54 10.0 undecidable manual PN 246 3.8739 0.67 1.2
--.MGR.Z. 1988-10-23T22:35:23.31 10.0 undecidable manual PN 277 3.8739 0.47 1.3
--.CDM.Z. 1988-10-23T22:35:18.00 10.0 undecidable manual PN 293 3.5631 -0.44 1.3
--.CZI.Z. 1988-10-23T22:35:17.34 10.0 undecidable manual PN 263 3.4632 0.15 1.4
--.GRI.Z. 1988-10-23T22:35:15.42 10.0 undecidable manual PN 255 3.33 -0.02 1.4
--.BAI.Z. 1988-10-23T22:35:12.00 10.0 undecidable manual PN 297 3.1413 -0.84 1.1
--.ATH.Z. 1988-10-23T22:35:10.80 10.0 undecidable manual PN 124 2.9748 0.27 1.4
--.BRT.Z. 1988-10-23T22:35:09.44 10.0 undecidable manual PN 294 2.8638 0.45 1.3
--.BCI.Z. 1988-10-23T22:35:07.70 10.0 undecidable manual PN 351 2.6862 1.2 0.8
--.SKO.Z. 1988-10-23T22:35:02.00 10.0 positive manual PN 15 2.3532 0.09 2.9
--.PLG.Z. 1988-10-23T22:35:00.50 10.0 undecidable manual PN 71 2.2866 -0.42 1.3
--.PHP.Z. 1988-10-23T22:34:58.50 10.0 undecidable manual PN 356 1.9869 1.66 0.5
--.VAY.Z. 1988-10-23T22:34:58.40 10.0 undecidable manual PN 41 2.1978 -1.48 1.2
--.LCI.Z. 1988-10-23T22:34:57.73 10.0 undecidable manual PN 288 1.998 0.75 1.1
--.TIR.Z. 1988-10-23T22:34:53.70 10.0 undecidable manual PN 341 1.7205 0.35 1.4
--.OHR.Z. 1988-10-23T22:34:47.10 10.0 positive manual PN 5 1.4097 -1.91 0.6
--.SRN.Z. 1988-10-23T22:34:41.40 10.0 undecidable manual SG 291 0.4884 0.38 0.5
--.SRN.Z. 1988-10-23T22:34:33.90 10.0 positive manual PG 291 0.4884 0.29 2.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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