Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 3.5 on date 19-10-1988 and time 01:27:09 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude Md 3.5 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 19-10-1988 00:27:09 (UTC)
  • 19-10-1988 01:27:09 (UTC +01:00) Italian time
  • 19-10-1988 02:27:09 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.9860, 20.9360 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.

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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 3.5
M 3.9 		1988-10-19
00:27:09		 37.986 20.936 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 79159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-19 00:27:09 ± 0.406
Latitude 37.9860 ± 0.0357
Longitude 20.9360 ± 0.0251
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79159

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) 4536.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
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) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.11106
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 47
Magnitudes information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 79159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:29

M:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79159
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
--.VOY.Z. 1988-10-19T00:31:09.60 10.0 undecidable manual SN 329 9.5793 1.94 0
--.KHC.Z. 1988-10-19T00:30:03.30 10.0 undecidable manual PN 336 12.3321 -1.35 0.3
--.VOY.Z. 1988-10-19T00:29:25.60 10.0 undecidable manual PN 329 9.5793 -1.26 0.4
--.LJU.Z. 1988-10-19T00:29:23.50 10.0 undecidable manual PN 331 9.3351 -0.09 0.9
--.VBY.Z. 1988-10-19T00:29:14.20 10.0 undecidable manual PN 332 8.6025 0.6 0.8
--.FE2.Z. 1988-10-19T00:28:51.50 10.0 undecidable manual SN 272 3.8073 1.08 0.3
--.SDI.Z. 1988-10-19T00:28:46.26 10.0 undecidable manual PN 306 6.6045 0.28 1.1
--.DUI.Z. 1988-10-19T00:28:41.69 10.0 undecidable manual PN 308 6.1716 1.65 0.3
--.SGG.Z. 1988-10-19T00:28:40.70 10.0 negative manual PN 305 6.0717 2.02 0.2
--.HVA.Z. 1988-10-19T00:28:38.80 10.0 undecidable manual PN 327 6.2049 -1.61 0.3
--.FG2.Z. 1988-10-19T00:28:35.00 10.0 undecidable manual PN 312 5.8275 -0.45 1.1
--.SOR.Z. 1988-10-19T00:28:33.60 10.0 negative manual PN 298 5.7165 -0.22 2.4
--.BSS.Z. 1988-10-19T00:28:31.51 10.0 undecidable manual PN 302 5.4723 1.05 0.7
--.TR9.Z. 1988-10-19T00:28:29.30 10.0 undecidable manual PN 306 5.3502 0.55 1.1
--.MS1.Z. 1988-10-19T00:28:28.00 10.0 undecidable manual PN 315 5.328 -0.49 1.1
--.SGO.Z. 1988-10-19T00:28:25.28 10.0 undecidable manual PN 302 5.0505 0.66 1
--.IZM.Z. 1988-10-19T00:28:24.00 10.0 undecidable manual PN 83 4.9728 0.36 1.2
--.HCY.Z. 1988-10-19T00:28:20.00 10.0 undecidable manual PN 337 4.8285 -1.53 0.4
--.MGR.Z. 1988-10-19T00:28:19.43 10.0 undecidable manual PN 298 4.6953 -0.25 1.3
--.CDM.Z. 1988-10-19T00:28:19.80 10.0 positive manual PN 311 4.7397 -0.47 2.4
--.BDV.Z. 1988-10-19T00:28:17.00 10.0 undecidable manual PN 339 4.5843 -1.18 0.6
--.TTG.Z. 1988-10-19T00:28:17.80 10.0 undecidable manual PN 344 4.6065 -0.85 0.9
--.BCI.Z. 1988-10-19T00:28:16.80 10.0 undecidable manual PN 351 4.4178 0.81 0.9
--.BAI.Z. 1988-10-19T00:28:15.50 10.0 undecidable manual PN 316 4.4067 -0.33 1.3
--.SDA.Z. 1988-10-19T00:28:12.20 10.0 undecidable manual PN 344 4.1736 -0.32 1.3
--.CSI.Z. 1988-10-19T00:28:11.22 10.0 undecidable manual PN 297 4.0293 0.64 1.1
--.ULC.Z. 1988-10-19T00:28:11.80 10.0 undecidable manual PN 342 4.1736 -0.78 1
--.BRT.Z. 1988-10-19T00:28:11.38 10.0 undecidable manual PN 315 4.0959 -0.22 1.3
--.SKO.Z. 1988-10-19T00:28:10.00 10.0 undecidable manual PN 5 3.996 -0.15 2.7
--.TDS.Z. 1988-10-19T00:28:10.70 10.0 undecidable manual PN 296 3.9405 0.61 1.1
--.GA2.Z. 1988-10-19T00:28:09.44 10.0 undecidable manual PN 273 4.0182 -0.97 0.8
--.GMB.Z. 1988-10-19T00:28:09.79 10.0 undecidable manual PN 273 4.0182 -0.62 1.1
--.CZI.Z. 1988-10-19T00:28:09.62 10.0 undecidable manual PN 289 3.9405 0.22 1.3
--.PE1.Z. 1988-10-19T00:28:08.00 10.0 undecidable manual PN 316 3.8961 -0.9 0.9
--.FE2.Z. 1988-10-19T00:28:08.90 10.0 undecidable manual PN 272 3.8073 1.28 0.5
--.SOI.Z. 1988-10-19T00:28:06.60 10.0 undecidable manual PN 272 3.8406 -1.37 0.5
--.RI2.Z. 1988-10-19T00:28:04.68 10.0 undecidable manual PN 278 3.5187 1.11 0.7
--.VAY.Z. 1988-10-19T00:28:04.30 10.0 undecidable manual PN 19 3.5631 0.19 2.7
--.GRI.Z. 1988-10-19T00:28:03.39 10.0 undecidable manual PN 284 3.6297 -1.7 0.3
--.TIR.Z. 1988-10-19T00:28:03.00 10.0 undecidable manual PN 346 3.4521 0.31 1.3
--.SE2.Z. 1988-10-19T00:28:03.32 10.0 undecidable manual PN 288 3.441 0.74 1
--.LCI.Z. 1988-10-19T00:27:59.50 10.0 undecidable manual PN 317 3.1968 -0.2 1.3
--.OHR.Z. 1988-10-19T00:27:58.80 10.0 positive manual PN 357 3.1191 0.69 2.1
--.PLG.Z. 1988-10-19T00:27:57.50 10.0 undecidable manual PN 38 3.0747 0.04 1.4
--.KBN.Z. 1988-10-19T00:27:53.00 10.0 undecidable manual PN 357 2.6307 1.57 0.3
--.KZN.Z. 1988-10-19T00:27:49.00 10.0 undecidable manual PN 15 2.3976 0.74 1
--.ATH.Z. 1988-10-19T00:27:44.50 10.0 undecidable manual PN 89 2.1867 -0.77 1
--.SRN.Z. 1988-10-19T00:27:43.70 10.0 undecidable manual PN 339 2.0202 0.65 1.1
--.VLS.Z. 1988-10-19T00:27:14.50 10.0 undecidable manual PG 304 0.333 -1.93 0.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download