Earthquake with magnitude of M 4.1 on date 01-05-1986 and time 12:59:29 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude M 4.1 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 01-05-1986 10:59:29 (UTC)
  • 01-05-1986 12:59:29 (UTC +02:00) Italian time
  • 01-05-1986 13:59:29 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4500, 20.2550 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 4.1 1986-05-01
10:59:29
37.45 20.255 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 26229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-01 10:59:29 ± 0.325
Latitude 37.4500 ± 0.0289
Longitude 20.2550 ± 0.0262
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 26229

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) 3958.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.02186
Epicentral distance of station farthest from the epicenter (degree) 0.08815
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:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 26229
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. 1986-05-01T11:01:48.80 10.0 undecidable manual PN 333 9.7902 -1.32 0.1
--.PZI.Z. 1986-05-01T11:01:22.00 10.0 undecidable manual SN 266 4.2291 1.15 0.1
--.SD1.Z. 1986-05-01T11:01:05.00 10.0 undecidable manual PN 312 6.5268 -0.35 1.1
--.FG3.Z. 1986-05-01T11:00:50.00 10.0 undecidable manual PN 323 5.3835 0.35 1.2
--.IVA.Z. 1986-05-01T11:00:49.80 10.0 undecidable manual PN 357 5.4168 -0.27 1.3
--.SGO.Z. 1986-05-01T11:00:43.00 10.0 undecidable manual PN 310 4.9284 -0.42 1.2
--.BCI.Z. 1986-05-01T11:00:43.50 10.0 undecidable manual PN 358 4.9062 0.43 1.2
--.NPS.Z. 1986-05-01T11:00:41.50 10.0 undecidable manual PN 115 4.8285 -0.46 1.2
--.CDM.Z. 1986-05-01T11:00:41.00 10.0 undecidable manual PN 320 4.7508 0.09 1.4
--.SDA.Z. 1986-05-01T11:00:39.00 10.0 undecidable manual PN 352 4.5954 0.26 1.4
--.MG9.Z. 1986-05-01T11:00:39.00 10.0 undecidable manual PN 307 4.5288 1.08 0.4
--.BAI.Z. 1986-05-01T11:00:36.00 10.0 undecidable manual PN 325 4.4844 -1.26 0.3
--.PZI.Z. 1986-05-01T11:00:33.00 10.0 undecidable manual PN 266 4.2291 -0.8 0.8
--.PHP.Z. 1986-05-01T11:00:33.20 10.0 undecidable manual PN 1 4.2291 -0.57 1.1
--.BRT.Z. 1986-05-01T11:00:33.00 10.0 undecidable manual PN 325 4.1736 -0.02 1.5
--.PE1.Z. 1986-05-01T11:00:30.00 10.0 undecidable manual PN 327 3.996 -0.61 1
--.TIR.Z. 1986-05-01T11:00:29.00 10.0 undecidable manual PN 355 3.8961 -0.22 1.4
--.LCI.Z. 1986-05-01T11:00:22.00 10.0 undecidable manual PN 330 3.33 0.7 0.9
--.GR9.Z. 1986-05-01T11:00:22.00 10.0 undecidable manual PN 295 3.2967 1.07 0.4
--.KBN.Z. 1986-05-01T11:00:20.30 10.0 negative manual PN 6 3.1857 0.8 1.5
--.KZN.Z. 1986-05-01T11:00:17.50 10.0 undecidable manual PN 21 3.0858 -0.5 1.1
--.ATH.Z. 1986-05-01T11:00:14.50 10.0 undecidable manual PN 77 2.775 0.66 0.9
--.SRN.Z. 1986-05-01T11:00:09.10 10.0 undecidable manual PN 355 2.4309 0.06 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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