Earthquake with magnitude of M 3.8 on date 09-04-1988 and time 20:09:16 (Italy) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude M 3.8 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 09-04-1988 18:09:16 (UTC)
  • 09-04-1988 20:09:16 (UTC +02:00) Italian time
  • 09-04-1988 21:09:16 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4360, 20.8830 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
M 3.8 1988-04-09
18:09:16
37.436 20.883 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 65999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-09 18:09:16 ± 0.361
Latitude 37.4360 ± 0.0269
Longitude 20.8830 ± 0.0219
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 65999

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) 3563.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00696
Epicentral distance of station farthest from the epicenter (degree) 0.09916
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 40
Magnitude information

M:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 65999
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
--.VBY.Z. 1988-04-09T18:13:04.00 10.0 undecidable manual SN 334 9.0798 0.75 0.3
--.CTI.Z. 1988-04-09T18:11:53.50 10.0 undecidable manual PN 324 11.0112 -0.28 0.9
--.NKY.Z. 1988-04-09T18:11:40.00 10.0 undecidable manual SN 345 5.55 0.77 0.4
--.HCY.Z. 1988-04-09T18:11:34.00 10.0 undecidable manual SN 340 5.3169 0.28 0.6
--.TTG.Z. 1988-04-09T18:11:30.00 10.0 undecidable manual SN 346 5.1282 0.76 0.4
--.BDV.Z. 1988-04-09T18:11:28.50 10.0 undecidable manual SN 342 5.0838 0.41 0.6
--.VBY.Z. 1988-04-09T18:11:26.10 10.0 undecidable manual PN 334 9.0798 -1.3 0.4
--.MGR.Z. 1988-04-09T18:11:26.47 10.0 undecidable manual SN 304 4.9395 1.79 0.1
--.MNO.Z. 1988-04-09T18:11:24.62 10.0 undecidable manual SN 277 4.9062 0.72 0.4
--.PZI.Z. 1988-04-09T18:11:18.58 10.0 undecidable manual SN 267 4.7286 -1.01 0.4
--.BRT.Z. 1988-04-09T18:11:13.46 10.0 undecidable manual SN 320 4.4844 -0.3 0.6
--.ATN.Z. 1988-04-09T18:11:10.70 10.0 undecidable manual SN 281 4.329 0.54 0.5
--.CZI.Z. 1988-04-09T18:11:06.50 10.0 undecidable manual SN 296 4.1181 1.41 0.2
--.SOI.Z. 1988-04-09T18:10:59.00 10.0 undecidable manual SN 280 3.8628 0.09 0.6
--.GRI.Z. 1988-04-09T18:10:56.50 10.0 undecidable manual SN 292 3.7629 -0.14 0.6
--.SDI.Z. 1988-04-09T18:10:56.70 10.0 undecidable manual PN 310 6.9042 -0.85 0.9
--.LCI.Z. 1988-04-09T18:10:53.50 10.0 undecidable manual SN 324 3.6075 0.7 0.4
--.PVL.Z. 1988-04-09T18:10:53.00 10.0 undecidable manual PN 28 6.5712 0.18 1.3
--.DUI.Z. 1988-04-09T18:10:52.00 10.0 undecidable manual PN 312 6.4935 0.17 1.3
--.SGG.Z. 1988-04-09T18:10:51.10 10.0 undecidable manual PN 310 6.3825 0.89 0.8
--.FG2.Z. 1988-04-09T18:10:47.34 10.0 undecidable manual PN 316 6.1938 -0.32 1.3
--.SOR.Z. 1988-04-09T18:10:44.30 10.0 positive manual PN 303 5.9607 -0.28 2.7
--.BSS.Z. 1988-04-09T18:10:43.53 10.0 undecidable manual PN 307 5.7498 1.9 0.1
--.FAI.Z. 1988-04-09T18:10:41.91 10.0 undecidable manual PN 270 5.7276 0.71 1
--.TR9.Z. 1988-04-09T18:10:41.10 10.0 positive manual PN 311 5.661 0.73 2
--.NKY.Z. 1988-04-09T18:10:38.00 10.0 undecidable manual PN 345 5.55 -0.89 0.9
--.SGO.Z. 1988-04-09T18:10:36.90 10.0 undecidable manual PN 307 5.328 1.1 0.6
--.MT9.Z. 1988-04-09T18:10:36.30 10.0 positive manual PN 303 5.3058 0.7 2.1
--.KDZ.Z. 1988-04-09T18:10:36.00 10.0 undecidable manual PN 37 5.4279 -1.11 1.2
--.HCY.Z. 1988-04-09T18:10:33.50 10.0 undecidable manual PN! 340 5.3169 -2.21 0
--.TTG.Z. 1988-04-09T18:10:32.00 10.0 undecidable manual PN 346 5.1282 -1.13 0.7
--.MGR.Z. 1988-04-09T18:10:31.23 10.0 undecidable manual PN 304 4.9395 0.74 1
--.BDV.Z. 1988-04-09T18:10:31.20 10.0 undecidable manual PN 342 5.0838 -1.26 0.5
--.CDM.Z. 1988-04-09T18:10:31.70 10.0 undecidable manual PN 316 5.0838 -0.79 1.1
--.MNO.Z. 1988-04-09T18:10:31.00 10.0 undecidable manual PN 277 4.9062 0.96 0.8
--.BAI.Z. 1988-04-09T18:10:27.70 10.0 undecidable manual PN 320 4.7841 -0.74 1.1
--.PRK.Z. 1988-04-09T18:10:27.00 10.0 undecidable manual PN 64 4.5843 1.4 0.5
--.MEU.Z. 1988-04-09T18:10:26.94 10.0 positive manual PN 267 4.8174 -1.8 0.5
--.PZI.Z. 1988-04-09T18:10:26.17 10.0 undecidable manual PN 267 4.7286 -1.38 0.5
--.SKO.Z. 1988-04-09T18:10:25.00 10.0 undecidable manual PN 5 4.551 -0.04 3.1
--.BRT.Z. 1988-04-09T18:10:23.69 10.0 positive manual PN 320 4.4844 -0.5 2.7
--.ORI.Z. 1988-04-09T18:10:22.00 10.0 undecidable manual PN 308 4.329 -0.05 1.6
--.ATH.Z. 1988-04-09T18:10:22.50 10.0 undecidable manual SN 75 2.2977 0.77 0.5
--.ATN.Z. 1988-04-09T18:10:22.10 10.0 undecidable manual PN 281 4.329 -0.01 1.6
--.PE1.Z. 1988-04-09T18:10:20.50 10.0 undecidable manual PN 322 4.2957 -1.12 0.7
--.TDS.Z. 1988-04-09T18:10:20.22 10.0 undecidable manual PN 303 4.1736 0.17 1.5
--.CZI.Z. 1988-04-09T18:10:18.70 10.0 undecidable manual PN 296 4.1181 -0.48 1.4
--.VAY.Z. 1988-04-09T18:10:18.00 10.0 undecidable manual PN 17 4.0848 -0.75 1
--.SOI.Z. 1988-04-09T18:10:15.55 10.0 undecidable manual PN 280 3.8628 -0.07 1.6
--.GRI.Z. 1988-04-09T18:10:14.50 10.0 undecidable manual PN 292 3.7629 0.2 1.5
--.OHR.Z. 1988-04-09T18:10:13.40 10.0 undecidable manual PN 358 3.663 0.44 2.8
--.LCI.Z. 1988-04-09T18:10:12.42 10.0 positive manual PN 324 3.6075 0.34 2.9
--.KZN.Z. 1988-04-09T18:10:04.00 10.0 undecidable manual PN 13 2.9526 0.96 0.9
--.ATH.Z. 1988-04-09T18:09:56.00 10.0 undecidable manual PN 75 2.2977 1.85 0.2
--.VLS.Z. 1988-04-09T18:09:41.60 10.0 undecidable manual SG! 342 0.777 -1.71 0
--.VLS.Z. 1988-04-09T18:09:31.10 10.0 undecidable manual PG 342 0.777 -0.86 0.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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