Earthquake with magnitude of M 4.4 on date 22-10-1988 and time 09:34:37 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude M 4.4 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 22-10-1988 09:34:37 (UTC)
  • 22-10-1988 10:34:37 (UTC +01:00) Italian time
  • 22-10-1988 11:34:37 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.82, 20.97 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 4.4 1988-10-22
09:34:37
37.82 20.97 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 79549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-22 09:34:37 ± 0.432
Latitude 37.82 ± 0.04
Longitude 20.97 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79549

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) 4735.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
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) 0.01951
Epicentral distance of station farthest from the epicenter (degree) 0.09981
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 51
Magnitude information

M:4.4

Field Value
Value 4.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79549
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
--.BOB.Z. 1988-10-22T09:37:17.50 10.0 undecidable manual PN 312 0.0998 1.84 0.1
--.VOY.Z. 1988-10-22T09:36:56.70 10.0 undecidable manual PN 329 0.0877 -0.55 0.8
--.LJU.Z. 1988-10-22T09:36:55.00 10.0 undecidable manual PN 331 0.0856 0.98 0.6
--.PGD.Z. 1988-10-22T09:36:52.00 10.0 undecidable manual PN 313 0.0832 1.63 0.2
--.CEY.Z. 1988-10-22T09:36:49.40 10.0 undecidable manual PN 329 0.0836 -1.64 0.2
--.CRE.Z. 1988-10-22T09:36:47.00 10.0 undecidable manual PN 312 0.0806 0.58 0.9
--.VBY.Z. 1988-10-22T09:36:45.00 10.0 undecidable manual PN 332 0.079 0.96 0.6
--.MEU.Z. 1988-10-22T09:36:44.12 10.0 undecidable manual SN 263 0.0443 -0.8 0.4
--.MLR.Z. 1988-10-22T09:36:41.00 10.0 negative manual PN 23 0.0767 0.57 1.8
--.CIO.Z. 1988-10-22T09:36:33.58 10.0 undecidable manual PN 314 0.0721 0.13 1.1
--.MNS.Z. 1988-10-22T09:36:31.50 10.0 undecidable manual PN 307 0.0703 0.87 0.7
--.SS8.Z. 1988-10-22T09:36:31.70 10.0 undecidable manual PN 313 0.0706 0.55 1.9
--.ALP.Z. 1988-10-22T09:36:26.26 10.0 undecidable manual PN 313 0.0676 -0.3 1.1
--.AZI.Z. 1988-10-22T09:36:22.00 10.0 undecidable manual PN 307 0.064 0.79 0.8
--.SOI.Z. 1988-10-22T09:36:21.39 10.0 undecidable manual SN 274 0.0349 1.16 0.3
--.SDI.Z. 1988-10-22T09:36:16.40 10.0 undecidable manual PN 306 0.0606 0.13 1.2
--.DUI.Z. 1988-10-22T09:36:10.41 10.0 undecidable manual PN 308 0.0567 0.38 1.2
--.PVL.Z. 1988-10-22T09:36:10.00 10.0 undecidable manual PN 28 0.0559 1.31 0.5
--.BSS.Z. 1988-10-22T09:36:01.73 10.0 undecidable manual PN 303 0.0503 1.45 0.4
--.MS1.Z. 1988-10-22T09:35:59.00 10.0 undecidable manual PN 316 0.0493 0.35 1.3
--.SGO.Z. 1988-10-22T09:35:55.30 10.0 undecidable manual PN 303 0.0465 0.86 0.9
--.KDZ.Z. 1988-10-22T09:35:53.00 10.0 undecidable manual PN 39 0.0458 -0.33 1.3
--.CDM.Z. 1988-10-22T09:35:50.00 10.0 positive manual PN 312 0.0439 -0.36 2.6
--.MNO.Z. 1988-10-22T09:35:50.26 10.0 undecidable manual PN 272 0.0445 -1.17 0.6
--.MGR.Z. 1988-10-22T09:35:49.29 10.0 undecidable manual PN 299 0.0432 -0.11 1.4
--.MEU.Z. 1988-10-22T09:35:48.22 10.0 undecidable manual PN 263 0.0443 -2.8 0
--.EZN.Z. 1988-10-22T09:35:46.20 10.0 undecidable manual PN 61 0.0416 -0.72 1
--.BCI.Z. 1988-10-22T09:35:46.60 10.0 undecidable manual PN 350 0.0414 0.04 1.4
--.BAI.Z. 1988-10-22T09:35:45.00 10.0 undecidable manual PN 316 0.041 -1.02 0.8
--.PRK.Z. 1988-10-22T09:35:44.70 10.0 undecidable manual PN 68 0.0394 1.13 0.7
--.ATN.Z. 1988-10-22T09:35:42.38 10.0 undecidable manual PN 275 0.0392 -0.82 1
--.SDA.Z. 1988-10-22T09:35:42.30 10.0 undecidable manual PN 344 0.0391 -0.78 1
--.BRT.Z. 1988-10-22T09:35:41.25 10.0 undecidable manual PN 316 0.0382 -0.53 1.2
--.TDS.Z. 1988-10-22T09:35:40.78 10.0 undecidable manual PN 297 0.0364 1.68 0.3
--.MO9.Z. 1988-10-22T09:35:40.56 10.0 undecidable manual PN 273 0.0375 -0.07 1.4
--.SKO.Z. 1988-10-22T09:35:39.20 10.0 positive manual PN 4 0.0375 -1.45 0.9
--.GMB.Z. 1988-10-22T09:35:39.10 10.0 undecidable manual PN 275 0.0366 -0.25 1.4
--.CZI.Z. 1988-10-22T09:35:39.60 10.0 undecidable manual PN 291 0.0363 0.24 1.4
--.PE1.Z. 1988-10-22T09:35:38.00 10.0 undecidable manual PN 317 0.0364 -1.11 0.7
--.FE2.Z. 1988-10-22T09:35:36.40 10.0 undecidable manual PN 274 0.0347 -0.36 1.3
--.PHP.Z. 1988-10-22T09:35:36.00 10.0 undecidable manual PN 353 0.035 -0.83 1
--.SOI.Z. 1988-10-22T09:35:35.85 10.0 undecidable manual PN 274 0.0349 -0.91 0.9
--.VAY.Z. 1988-10-22T09:35:33.60 10.0 undecidable manual PN 18 0.0334 -0.79 2
--.SE2.Z. 1988-10-22T09:35:33.32 10.0 undecidable manual PN 290 0.0318 1.35 0.5
--.TIR.Z. 1988-10-22T09:35:32.50 10.0 undecidable manual PN 346 0.0326 -0.76 1
--.RI2.Z. 1988-10-22T09:35:32.76 10.0 undecidable manual PN 280 0.0322 0.18 1.4
--.LCI.Z. 1988-10-22T09:35:30.00 10.0 undecidable manual PN 318 0.0301 0.52 1.2
--.PLG.Z. 1988-10-22T09:35:27.00 10.0 undecidable manual PN 35 0.0287 -0.29 1.3
--.OHR.Z. 1988-10-22T09:35:27.90 10.0 undecidable manual PN 357 0.0296 -0.76 2
--.KBN.Z. 1988-10-22T09:35:22.80 10.0 undecidable manual PN 356 0.0253 0.82 1
--.KZN.Z. 1988-10-22T09:35:18.50 10.0 undecidable manual PN 13 0.0231 -0.13 1.4
--.ATH.Z. 1988-10-22T09:35:14.70 10.0 undecidable manual PN 84 0.0195 1.5 0.4
--.SRN.Z. 1988-10-22T09:35:13.60 10.0 undecidable manual PN 339 0.0198 0.02 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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