Earthquake with magnitude of Md 3.1 on date 03-05-1988 and time 02:42:20 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude Md 3.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 03-05-1988 00:42:20 (UTC)
  • 03-05-1988 02:42:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6450, 20.2900 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 3.1
ML-VAX 3.1
1988-05-03
00:42:20
38.645 20.29 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-03 00:42:20 ± 0.368
Latitude 38.6450 ± 0.0339
Longitude 20.2900 ± 0.0313
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68739

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) 4646.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.02242
Epicentral distance of station farthest from the epicenter (degree) 0.05229
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 68739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:07

ML:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 68739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 1988-05-03T00:43:52.00 10.0 undecidable manual SN 261 3.3633 1.41 0.1
--.SDI.Z. 1988-05-03T00:43:45.93 10.0 undecidable manual PN 304 5.8053 -0.04 1.1
--.FG2.Z. 1988-05-03T00:43:34.62 10.0 positive manual PN 310 5.0172 -0.51 2.1
--.BSS.Z. 1988-05-03T00:43:31.53 10.0 undecidable manual PN 298 4.6953 0.78 0.8
--.SGO.Z. 1988-05-03T00:43:25.41 10.0 undecidable manual PN 298 4.2735 0.47 1.2
--.SA1.Z. 1988-05-03T00:43:25.45 10.0 undecidable manual PN 270 4.2513 0.85 0.8
--.BCI.Z. 1988-05-03T00:43:17.30 10.0 undecidable manual PN 357 3.7074 0.1 1.5
--.MMN.Z. 1988-05-03T00:43:16.60 10.0 undecidable manual PN 292 3.5409 1.76 0.2
--.BAI.Z. 1988-05-03T00:43:14.50 10.0 undecidable manual PN 314 3.5853 -0.89 0.8
--.MO9.Z. 1988-05-03T00:43:14.68 10.0 undecidable manual PN 261 3.6519 -1.66 0.2
--.SOI.Z. 1988-05-03T00:43:12.20 10.0 undecidable manual PN 261 3.3633 -0.12 1.5
--.SDA.Z. 1988-05-03T00:43:12.50 10.0 undecidable manual PN 350 3.4188 -0.57 1.2
--.VAY.Z. 1988-05-03T00:43:11.00 10.0 undecidable manual PN 32 3.1857 1.07 0.6
--.CZI.Z. 1988-05-03T00:43:10.80 10.0 undecidable manual PN 281 3.2745 -0.34 1.4
--.BRT.Z. 1988-05-03T00:43:10.15 10.0 undecidable manual PN 314 3.2745 -1.03 0.7
--.PHP.Z. 1988-05-03T00:43:07.00 10.0 undecidable manual PN 2 3.0414 -0.86 0.9
--.GRI.Z. 1988-05-03T00:43:07.77 10.0 undecidable manual PN 274 3.0192 0.19 1.4
--.TIR.Z. 1988-05-03T00:43:03.50 10.0 undecidable manual PN 353 2.7084 0.07 1.5
--.ATH.Z. 1988-05-03T00:43:03.80 10.0 undecidable manual PN 103 2.7639 -0.31 1.4
--.OHR.Z. 1988-05-03T00:43:01.30 10.0 undecidable manual PN 9 2.4864 0.96 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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