Earthquake with magnitude of M 3.7 on date 02-09-1985 and time 01:37:34 (Italy) in region Costa Greca Ionica (GRECIA)

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

  • 01-09-1985 23:37:34 (UTC)
  • 02-09-1985 01:37:34 (UTC +02:00) Italian time
  • 02-09-1985 02:37:34 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.6150, 20.7870 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 1985-09-01
23:37:34
38.615 20.787 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 12649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-09-01 23:37:34 ± 0.328
Latitude 38.6150 ± 0.0250
Longitude 20.7870 ± 0.0483
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 12649

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) 5033.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.05537
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

M:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 12649
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
--.SD1.Z. 1985-09-01T23:39:05.50 10.0 undecidable manual PN 302 6.1494 -0.07 1
--.SGO.Z. 1985-09-01T23:38:45.00 10.0 undecidable manual PN 296 4.6398 0.22 1.2
--.KBN.Z. 1985-09-01T23:38:35.60 10.0 undecidable manual SN 359 2.0091 2.42 0
--.SDA.Z. 1985-09-01T23:38:29.00 10.0 undecidable manual PN 344 3.5298 -0.58 1.2
--.PHP.Z. 1985-09-01T23:38:23.90 10.0 undecidable manual PN 355 3.0747 0.57 1.2
--.LCI.Z. 1985-09-01T23:38:19.00 10.0 undecidable manual PN? 310 2.6751 1.13 0.2
--.SRN.Z. 1985-09-01T23:38:18.90 10.0 undecidable manual SN 334 1.3986 0.09 0.7
--.TIR.Z. 1985-09-01T23:38:18.00 10.0 undecidable manual PN 345 2.8083 -1.73 0.2
--.ATH.Z. 1985-09-01T23:38:14.00 10.0 undecidable manual PN 104 2.3865 0.23 1.5
--.VLO.Z. 1985-09-01T23:38:10.10 10.0 undecidable manual PN 332 2.0979 0.22 1.6
--.KBN.Z. 1985-09-01T23:38:07.60 10.0 undecidable manual PN 359 2.0091 -0.97 0.9
--.SRN.Z. 1985-09-01T23:38:00.40 10.0 undecidable manual PN 334 1.3986 0.13 1.6
--.VLS.Z. 1985-09-01T23:37:44.50 10.0 undecidable manual PG 199 0.4551 -0.16 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download