Earthquake with magnitude of M 4.2 on date 20-05-1990 and time 07:57:24 (Italy) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude M 4.2 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 20-05-1990 05:57:24 (UTC)
  • 20-05-1990 07:57:24 (UTC +02:00) Italian time
  • 20-05-1990 08:57:24 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.69, 20.91 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
Rev 1000 M 4.2 1990-05-20
05:57:24
37.69 20.91 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-20 05:57:24 ± 0.247
Latitude 37.69 ± 0.02
Longitude 20.91 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119149

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) 2803.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 91
Number of defining phases 91
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) 0.00494
Epicentral distance of station farthest from the epicenter (degree) 0.11349
Number of stations at which the event was observed 74
Number of stations from which data was used for origin computation 74
Magnitude information

M:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 119149
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 Takeoff_angle Residual Weight
--.VOY.Z. 1990-05-20T06:01:28.80 10.0 undecidable manual SN 330 0.0885 -0.2 0.5
--.LJU.Z. 1990-05-20T06:01:26.00 10.0 undecidable manual SN! 332 0.0865 2.5 0
--.CEY.Z. 1990-05-20T06:01:21.00 10.0 undecidable manual SN! 331 0.0844 2.72 0
--.VBY.Z. 1990-05-20T06:01:06.90 10.0 undecidable manual SN 333 0.0799 0.65 0.4
--.KHC.Z. 1990-05-20T06:00:23.40 10.0 undecidable manual PN 337 0.1135 -0.38 1
--.CTI.Z. 1990-05-20T05:59:59.50 10.0 undecidable manual PN 323 0.0974 0.21 1.1
--.FVI.Z. 1990-05-20T05:59:59.00 10.0 undecidable manual PN 328 0.0967 0.84 0.8
--.BRY.Z. 1990-05-20T05:59:45.00 10.0 undecidable manual SN 341 0.0496 -1.19 0.3
--.VOY.Z. 1990-05-20T05:59:44.70 10.0 undecidable manual PN 330 0.0885 -1.01 0.8
--.NKY.Z. 1990-05-20T05:59:42.00 10.0 undecidable manual SN 344 0.0479 0.27 0.6
--.TRI.Z. 1990-05-20T05:59:42.00 10.0 undecidable manual PN 328 0.0866 -0.8 0.9
--.LJU.Z. 1990-05-20T05:59:41.50 10.0 undecidable manual PN 332 0.0865 -1.03 0.7
--.SGO.Z. 1990-05-20T05:59:40.00 10.0 undecidable manual SN 305 0.0468 1.16 0.4
--.CEY.Z. 1990-05-20T05:59:38.40 10.0 undecidable manual PN 331 0.0844 -1.12 0.7
--.SFI.Z. 1990-05-20T05:59:38.30 10.0 undecidable manual PN 315 0.0832 0.67 1
--.CRE.Z. 1990-05-20T05:59:36.00 10.0 undecidable manual PN 313 0.0811 1.61 0.4
--.HCY.Z. 1990-05-20T05:59:34.00 10.0 undecidable manual SN! 339 0.0459 -2.41 0
--.PVY.Z. 1990-05-20T05:59:34.00 10.0 undecidable manual SN 351 0.0446 1.04 0.4
--.VBY.Z. 1990-05-20T05:59:33.00 10.0 undecidable manual PN 333 0.0799 0.43 1.2
--.MGR.Z. 1990-05-20T05:59:31.00 10.0 undecidable manual SN 301 0.0435 1.08 0.4
--.MLR.Z. 1990-05-20T05:59:31.00 10.0 undecidable manual PN 23 0.078 1.43 0.5
--.TTG.Z. 1990-05-20T05:59:29.20 10.0 undecidable manual SN! 345 0.0441 -2.51 0
--.BDV.Z. 1990-05-20T05:59:28.20 10.0 undecidable manual SN! 341 0.0437 -2.5 0
--.ARV.Z. 1990-05-20T05:59:26.63 10.0 undecidable manual PN 316 0.0754 0.92 0.9
--.ASS.Z. 1990-05-20T05:59:24.50 10.0 undecidable manual PN 313 0.0744 0.36 1.3
--.CIO.Z. 1990-05-20T05:59:22.60 10.0 undecidable manual PN 315 0.0726 1.13 0.7
--.ULC.Z. 1990-05-20T05:59:20.00 10.0 undecidable manual SN 343 0.0401 -1.13 0.4
--.MNS.Z. 1990-05-20T05:59:20.00 10.0 undecidable manual PN 309 0.0707 1.56 0.4
--.RMF.Z. 1990-05-20T05:59:20.49 10.0 undecidable manual PN 314 0.0709 1.65 0.4
--.ATN.Z. 1990-05-20T05:59:17.50 10.0 undecidable manual SN 277 0.0389 -0.26 0.6
--.ALP.Z. 1990-05-20T05:59:16.28 10.0 undecidable manual PN 314 0.0681 1.74 0.3
--.ORI.Z. 1990-05-20T05:59:14.50 10.0 undecidable manual SN 305 0.0378 -0.47 0.6
--.TDS.Z. 1990-05-20T05:59:12.00 10.0 undecidable manual SN 300 0.0367 0.03 0.7
--.AZI.Z. 1990-05-20T05:59:10.00 10.0 undecidable manual PN 309 0.0644 0.99 0.9
--.BEO.Z. 1990-05-20T05:59:07.00 10.0 undecidable manual PN 357 0.0642 -1.66 0.4
--.SDI.Z. 1990-05-20T05:59:04.00 10.0 undecidable manual PN 308 0.061 0.3 1.5
--.RFI.Z. 1990-05-20T05:59:03.60 10.0 undecidable manual PN! 306 0.058 3.93 0
--.PA2.Z. 1990-05-20T05:58:59.20 10.0 undecidable manual SN 283 0.0323 -1.38 0.3
--.DUI.Z. 1990-05-20T05:58:59.50 10.0 undecidable manual PN 310 0.0571 1.62 0.4
--.SGG.Z. 1990-05-20T05:58:58.00 10.0 undecidable manual PN 308 0.0562 1.63 0.5
--.OVO.Z. 1990-05-20T05:58:54.60 10.0 undecidable manual PN! 303 0.0533 2.47 0
--.SOR.Z. 1990-05-20T05:58:51.30 10.0 undecidable manual PN 301 0.0527 0.22 1.6
--.FAI.Z. 1990-05-20T05:58:49.50 10.0 undecidable manual PN 267 0.0517 -0.14 1.6
--.BSS.Z. 1990-05-20T05:58:49.71 10.0 undecidable manual PN 304 0.0507 1.77 0.4
--.MS1.Z. 1990-05-20T05:58:47.00 10.0 undecidable manual PN 317 0.0499 0.27 1.6
--.TR9.Z. 1990-05-20T05:58:47.70 10.0 undecidable manual PN 309 0.0497 1.21 0.8
--.GIB.Z. 1990-05-20T05:58:45.00 10.0 undecidable manual PN 275 0.0489 -0.31 1.6
--.BRY.Z. 1990-05-20T05:58:44.50 10.0 undecidable manual PN 341 0.0496 -1.85 0.3
--.NKY.Z. 1990-05-20T05:58:43.00 10.0 undecidable manual PN 344 0.0479 -0.78 1.3
--.SGO.Z. 1990-05-20T05:58:42.00 10.0 undecidable manual PN 305 0.0468 -0.11 1.7
--.IZM.Z. 1990-05-20T05:58:41.60 10.0 undecidable manual PN 79 0.0454 1.61 0.5
--.HCY.Z. 1990-05-20T05:58:39.00 10.0 undecidable manual PN 339 0.0459 -1.7 0.4
--.PVY.Z. 1990-05-20T05:58:39.50 10.0 undecidable manual PN 351 0.0446 0.79 1.2
--.CDT.Z. 1990-05-20T05:58:38.00 10.0 undecidable manual PN 314 0.0444 -0.36 1.6
--.RDO.Z. 1990-05-20T05:58:38.00 10.0 undecidable manual PN 44 0.0448 -0.93 1.1
--.MNO.Z. 1990-05-20T05:58:37.78 10.0 undecidable manual PN 274 0.0442 -0.29 1.6
--.TTG.Z. 1990-05-20T05:58:36.80 10.0 undecidable manual PN 345 0.0441 -1.19 0.9
--.BDV.Z. 1990-05-20T05:58:36.00 10.0 undecidable manual PN 341 0.0437 -1.41 0.7
--.MGR.Z. 1990-05-20T05:58:36.86 10.0 undecidable manual PN 301 0.0435 -0.1 1.7
--.SA1.Z. 1990-05-20T05:58:36.56 10.0 undecidable manual PN 282 0.0436 -0.74 1.3
--.BAI.Z. 1990-05-20T05:58:34.50 10.0 undecidable manual PN 318 0.0416 0.39 1.6
--.PZI.Z. 1990-05-20T05:58:34.00 10.0 undecidable manual PN! 264 0.043 -2.21 0
--.MEU.Z. 1990-05-20T05:58:34.97 10.0 positive manual PN 264 0.0437 -2.38 0.2
--.MMN.Z. 1990-05-20T05:58:33.20 10.0 undecidable manual PN 301 0.0397 1.89 0.3
--.ULC.Z. 1990-05-20T05:58:31.00 10.0 undecidable manual PN 343 0.0401 -0.88 1.2
--.ORI.Z. 1990-05-20T05:58:29.75 10.0 undecidable manual PN 305 0.0378 1.43 0.6
--.SKO.Z. 1990-05-20T05:58:29.70 10.0 undecidable manual PN 5 0.0387 -0.02 3.3
--.ATN.Z. 1990-05-20T05:58:29.41 10.0 positive manual PN 277 0.0389 -0.52 2.9
--.BRT.Z. 1990-05-20T05:58:29.85 10.0 undecidable manual PN 318 0.0388 -0.02 1.7
--.TDS.Z. 1990-05-20T05:58:27.00 10.0 undecidable manual PN 300 0.0367 0.41 1.5
--.CSI.Z. 1990-05-20T05:58:26.50 10.0 undecidable manual PN 301 0.0374 -1.31 0.7
--.PE1.Z. 1990-05-20T05:58:26.50 10.0 undecidable manual PN 320 0.0371 -0.74 1.3
--.CZI.Z. 1990-05-20T05:58:25.70 10.0 positive manual PN 293 0.0363 -0.38 3.1
--.MO9.Z. 1990-05-20T05:58:25.40 10.0 undecidable manual PN! 275 0.0371 -1.9 0
--.GA2.Z. 1990-05-20T05:58:25.80 10.0 undecidable manual PN 278 0.0363 -0.2 1.6
--.DR2.Z. 1990-05-20T05:58:25.15 10.0 undecidable manual PN 285 0.0362 -0.76 1.3
--.GMB.Z. 1990-05-20T05:58:24.98 10.0 undecidable manual PN 278 0.0363 -1.03 1
--.ROI.Z. 1990-05-20T05:58:24.70 10.0 undecidable manual PN 300 0.0349 0.81 1.2
--.VAY.Z. 1990-05-20T05:58:23.50 10.0 undecidable manual PN 18 0.0346 -0.04 3.3
--.FE2.Z. 1990-05-20T05:58:23.66 10.0 undecidable manual PN 276 0.0343 0.57 1.4
--.VAM.Z. 1990-05-20T05:58:21.00 10.0 undecidable manual PN! 127 0.0304 3.94 0
--.GRI.Z. 1990-05-20T05:58:21.16 10.0 undecidable manual PN 289 0.0333 -0.29 1.6
--.PA2.Z. 1990-05-20T05:58:20.14 10.0 undecidable manual PN 283 0.0323 0.13 1.7
--.SE2.Z. 1990-05-20T05:58:19.88 10.0 undecidable manual PN 293 0.0318 0.67 1.3
--.LCI.Z. 1990-05-20T05:58:18.00 10.0 undecidable manual PN 321 0.0308 0.36 1.6
--.OHR.Z. 1990-05-20T05:58:17.00 10.0 undecidable manual PN 358 0.0308 -0.66 2.7
--.NEO.Z. 1990-05-20T05:58:03.00 10.0 undecidable manual PN 47 0.0219 -1.01 1
--.ATH.Z. 1990-05-20T05:58:02.80 10.0 undecidable manual PN 81 0.0201 1.46 0.6
--.KEK.Z. 1990-05-20T05:58:00.00 10.0 undecidable manual PN 337 0.0198 -0.89 1.1
--.ITM.Z. 1990-05-20T05:57:43.50 10.0 undecidable manual PG 121 0.0086 0.12 1.7
--.VLS.Z. 1990-05-20T05:57:33.00 10.0 undecidable manual PG! 332 0.0049 -2.92 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download