Earthquake with magnitude of M 3.7 on date 22-11-1986 and time 22:40:12 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude M 3.7 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 22-11-1986 22:40:12 (UTC)
  • 22-11-1986 23:40:12 (UTC +01:00) Italian time
  • 23-11-1986 00:40:12 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.1990, 20.4430 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
M 3.7 1986-11-22
22:40:12
38.199 20.443 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 37309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-22 22:40:12 ± 0.281
Latitude 38.1990 ± 0.0261
Longitude 20.4430 ± 0.0218
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37309

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) 3469.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.07431
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitude information

M:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 37309
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
--.VBY.Z. 1986-11-22T22:42:12.20 10.0 undecidable manual PN 334 8.2473 0.23 0.9
--.ARV.Z. 1986-11-22T22:42:03.50 10.0 undecidable manual PN 315 7.7478 -1.59 0.1
--.PHP.Z. 1986-11-22T22:41:44.80 10.0 undecidable manual SN 0 3.4743 -1.13 0.3
--.SGG.Z. 1986-11-22T22:41:36.60 10.0 undecidable manual PN 306 5.6388 0.56 1
--.DUI.Z. 1986-11-22T22:41:36.50 10.0 undecidable manual PN 309 5.7276 -0.94 0.6
--.OVO.Z. 1986-11-22T22:41:33.00 10.0 undecidable manual PN 301 5.3391 0.98 0.6
--.SOR.Z. 1986-11-22T22:41:31.70 10.0 undecidable manual PN 298 5.2725 0.58 1
--.TR9.Z. 1986-11-22T22:41:26.60 10.0 undecidable manual PN 307 4.9173 0.48 1.1
--.SGO.Z. 1986-11-22T22:41:22.00 10.0 undecidable manual PN 302 4.6065 0.05 1.4
--.KBN.Z. 1986-11-22T22:41:21.00 10.0 undecidable manual SN 6 2.4309 0.03 0.9
--.BCI.Z. 1986-11-22T22:41:17.50 10.0 undecidable manual PN 356 4.1736 1.6 0.2
--.MG9.Z. 1986-11-22T22:41:16.50 10.0 undecidable manual PN 298 4.2513 -0.48 1.2
--.VAY.Z. 1986-11-22T22:41:08.00 10.0 undecidable manual PN 27 3.5187 1.06 0.6
--.BRT.Z. 1986-11-22T22:41:08.00 10.0 undecidable manual PN 317 3.6852 -1.2 0.5
--.PHP.Z. 1986-11-22T22:41:07.30 10.0 undecidable manual PN 0 3.4743 0.84 0.9
--.TS9.Z. 1986-11-22T22:41:07.00 10.0 undecidable manual PN 295 3.5076 0.23 1.5
--.GR9.Z. 1986-11-22T22:41:02.50 10.0 undecidable manual PN 282 3.1857 0.01 1.5
--.TIR.Z. 1986-11-22T22:41:02.00 10.0 undecidable manual PN 352 3.1746 -0.21 1.5
--.OHR.Z. 1986-11-22T22:40:58.20 10.0 undecidable manual PN 5 2.9193 -0.52 1.2
--.ATH.Z. 1986-11-22T22:40:55.00 10.0 undecidable manual PN 94 2.5752 0.93 0.8
--.KBN.Z. 1986-11-22T22:40:52.20 10.0 undecidable manual PN 6 2.4309 0.16 1.5
--.KZN.Z. 1986-11-22T22:40:50.00 10.0 undecidable manual PN 25 2.331 -0.76 1
--.SRN.Z. 1986-11-22T22:40:42.10 10.0 undecidable manual PN 348 1.7094 -0.03 1.5
--.VLS.Z. 1986-11-22T22:40:15.20 10.0 negative manual PG 100 0.1221 -0.61 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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