Earthquake with magnitude of M 4.1 on date 22-05-1988 and time 22:47:23 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude M 4.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 22-05-1988 22:47:23 (UTC)
  • 23-05-1988 00:47:23 (UTC +02:00) Italian time
  • 23-05-1988 01:47:23 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.34, 20.54 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
Rev 1000 M 4.1 1988-05-22
22:47:23
38.34 20.54 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 70049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-22 22:47:23 ± 0.273
Latitude 38.34 ± 0.02
Longitude 20.54 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 70049

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) 3178.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.07779
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitude information

M:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 70049
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
--.PGD.Z. 1988-05-22T22:49:30.00 10.0 undecidable manual PN 312 0.0778 1.26 0.4
--.CRE.Z. 1988-05-22T22:49:24.00 10.0 undecidable manual PN 312 0.0752 -0.82 0.7
--.PZI.Z. 1988-05-22T22:49:23.50 10.0 undecidable manual SN 255 0.0414 -1.01 0.3
--.MGR.Z. 1988-05-22T22:49:17.00 10.0 undecidable manual SN 296 0.0383 0.7 0.5
--.ASS.Z. 1988-05-22T22:49:16.50 10.0 undecidable manual PN 311 0.0685 1.86 0.2
--.ARV.Z. 1988-05-22T22:49:15.50 10.0 undecidable manual PN 314 0.0694 -0.49 1
--.MNS.Z. 1988-05-22T22:49:10.00 10.0 undecidable manual PN 306 0.065 0.76 0.8
--.ATN.Z. 1988-05-22T22:49:09.00 10.0 undecidable manual SN 269 0.0359 -0.88 0.4
--.SDA.Z. 1988-05-22T22:49:04.30 10.0 undecidable manual SN 348 0.0338 -0.28 0.6
--.ORI.Z. 1988-05-22T22:49:02.00 10.0 undecidable manual SN 299 0.0324 1.2 0.3
--.SDI.Z. 1988-05-22T22:48:56.50 10.0 undecidable manual PN 305 0.0554 1.93 0.2
--.PHP.Z. 1988-05-22T22:48:55.00 10.0 undecidable manual SN 358 0.0301 0.2 0.6
--.GRI.Z. 1988-05-22T22:48:52.00 10.0 undecidable manual SN 279 0.0292 -0.45 0.6
--.DUI.Z. 1988-05-22T22:48:49.50 10.0 undecidable manual PN 307 0.0514 0.91 0.8
--.MS1.Z. 1988-05-22T22:48:36.00 10.0 undecidable manual PN 315 0.0438 -0.94 0.9
--.MNO.Z. 1988-05-22T22:48:33.00 10.0 undecidable manual PN 266 0.0414 -0.37 1.4
--.SGO.Z. 1988-05-22T22:48:33.70 10.0 undecidable manual PN 300 0.0414 0.37 1.4
--.PZI.Z. 1988-05-22T22:48:32.50 10.0 undecidable manual PN 255 0.0414 -0.77 1.1
--.CDM.Z. 1988-05-22T22:48:28.50 10.0 undecidable manual PN 311 0.0384 -0.26 1.5
--.MGR.Z. 1988-05-22T22:48:28.50 10.0 undecidable manual PN 296 0.0383 -0.02 1.5
--.MMN.Z. 1988-05-22T22:48:23.50 10.0 undecidable manual PN 295 0.0346 0.52 1.3
--.BAI.Z. 1988-05-22T22:48:23.00 10.0 undecidable manual PN 315 0.0355 -1.28 0.6
--.ATN.Z. 1988-05-22T22:48:23.50 10.0 undecidable manual PN 269 0.0359 -1.32 0.6
--.SDA.Z. 1988-05-22T22:48:21.30 10.0 undecidable manual PN 348 0.0338 -0.45 1.4
--.CSI.Z. 1988-05-22T22:48:21.20 10.0 undecidable manual PN 295 0.0324 1.72 0.3
--.CZI.Z. 1988-05-22T22:48:19.60 10.0 undecidable manual PN 285 0.0318 0.88 1
--.TDS.Z. 1988-05-22T22:48:19.00 10.0 undecidable manual PN 293 0.0317 0.58 1.3
--.ORI.Z. 1988-05-22T22:48:19.50 10.0 undecidable manual PN 299 0.0324 -0.08 1.6
--.BRT.Z. 1988-05-22T22:48:18.50 10.0 undecidable manual PN 315 0.0327 -1.55 0.4
--.ROI.Z. 1988-05-22T22:48:17.40 10.0 undecidable manual PN 293 0.0299 1.67 0.3
--.SOI.Z. 1988-05-22T22:48:17.50 10.0 undecidable manual PN 267 0.0317 -1.05 0.8
--.PE1.Z. 1988-05-22T22:48:16.50 10.0 undecidable manual PN 316 0.0309 -0.85 1
--.SRN.Z. 1988-05-22T22:48:15.00 10.0 undecidable manual SN 345 0.0143 1.88 0.1
--.PHP.Z. 1988-05-22T22:48:15.10 10.0 positive manual PN 358 0.0301 -1 1.8
--.GRI.Z. 1988-05-22T22:48:14.00 10.0 undecidable manual PN 279 0.0292 -0.75 1.1
--.TIR.Z. 1988-05-22T22:48:11.20 10.0 positive manual PN 350 0.0274 -0.82 2.1
--.OHR.Z. 1988-05-22T22:48:08.50 10.0 undecidable manual PN 4 0.025 0.22 1.5
--.ATH.Z. 1988-05-22T22:48:05.80 10.0 undecidable manual PN 97 0.0227 1.05 0.8
--.KBN.Z. 1988-05-22T22:48:01.80 10.0 positive manual PN 4 0.0206 0.2 3.1
--.SRN.Z. 1988-05-22T22:47:51.90 10.0 positive manual PN 345 0.0143 -0.15 3.1
--.VLS.Z. 1988-05-22T22:47:27.20 10.0 undecidable manual PG 165 0.0015 0.2 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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