Earthquake with magnitude of M 4.0 on date 12-04-1988 and time 19:48:45 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude M 4.0 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 12-04-1988 19:48:45 (UTC)
  • 12-04-1988 21:48:45 (UTC +02:00) Italian time
  • 12-04-1988 22:48:45 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.81, 20.34 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
Rev 1000 M 4.0 1988-04-12
19:48:45
37.81 20.34 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 66409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-12 19:48:45 ± 0.357
Latitude 37.81 ± 0.03
Longitude 20.34 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 66409

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) 3971
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.09544
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitude information

M:4

Field Value
Value 4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 66409
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 Takeoff_angle Residual Weight
--.VOY.Z. 1988-04-12T19:52:43.50 10.0 undecidable manual SN 332 0.0856 1.23 0.2
--.VBY.Z. 1988-04-12T19:52:21.00 10.0 undecidable manual SN 335 0.0771 1.01 0.3
--.KBA.Z. 1988-04-12T19:51:16.00 10.0 undecidable manual PN 333 0.0954 -1.17 0.6
--.CTI.Z. 1988-04-12T19:51:15.00 10.0 undecidable manual PN 325 0.0941 -0.28 1
--.VOY.Z. 1988-04-12T19:51:02.80 10.0 undecidable manual PN 332 0.0856 0.58 1
--.VRI.Z. 1988-04-12T19:51:01.00 10.0 undecidable manual PN 28 0.0842 1.01 0.7
--.TRI.Z. 1988-04-12T19:50:57.90 10.0 undecidable manual PN 330 0.0836 -1.3 0.5
--.MLR.Z. 1988-04-12T19:50:52.50 10.0 undecidable manual PN 26 0.0787 0.88 0.8
--.HCY.Z. 1988-04-12T19:50:50.50 10.0 undecidable manual SN 343 0.0435 -0.75 0.5
--.VBY.Z. 1988-04-12T19:50:48.50 10.0 undecidable manual PN 335 0.0771 -0.86 0.9
--.TTG.Z. 1988-04-12T19:50:47.50 10.0 undecidable manual SN 350 0.0422 -0.09 0.6
--.BDV.Z. 1988-04-12T19:50:44.00 10.0 undecidable manual SN 346 0.0415 -1.88 0.1
--.MEU.Z. 1988-04-12T19:50:39.84 10.0 undecidable manual SN 262 0.0398 -1.43 0.2
--.ALP.Z. 1988-04-12T19:50:31.20 10.0 undecidable manual PN 316 0.0644 1.23 0.7
--.BRT.Z. 1988-04-12T19:50:30.50 10.0 undecidable manual SN 322 0.0354 0.93 0.4
--.PVL.Z. 1988-04-12T19:50:21.00 10.0 negative manual PN 33 0.0583 0.5 2.6
--.SOI.Z. 1988-04-12T19:50:15.50 10.0 undecidable manual SN 275 0.0304 -1.09 0.4
--.DUI.Z. 1988-04-12T19:50:15.00 10.0 undecidable manual PN 312 0.0534 1.89 0.3
--.FG2.Z. 1988-04-12T19:50:09.64 10.0 undecidable manual PN 316 0.0507 0.66 1.3
--.SOR.Z. 1988-04-12T19:50:06.80 10.0 positive manual PN 302 0.0487 0.87 2.2
--.KDZ.Z. 1988-04-12T19:50:06.00 10.0 negative manual PN 43 0.0488 -0.14 3.1
--.FAI.Z. 1988-04-12T19:50:05.00 10.0 undecidable manual PN 266 0.0478 0.48 1.4
--.ATH.Z. 1988-04-12T19:50:01.50 10.0 undecidable manual SN 85 0.024 2.06 0.1
--.MS1.Z. 1988-04-12T19:50:01.50 10.0 undecidable manual PN 320 0.0464 -0.89 1.1
--.FG4.Z. 1988-04-12T19:50:01.30 10.0 undecidable manual PN 313 0.0448 1.22 0.8
--.SGO.Z. 1988-04-12T19:49:58.50 10.0 undecidable manual PN 306 0.0429 1.41 0.6
--.HCY.Z. 1988-04-12T19:49:56.00 10.0 undecidable manual PN! 343 0.0435 -2.12 0
--.TTG.Z. 1988-04-12T19:49:55.00 10.0 undecidable manual PN 350 0.0422 -1.01 1
--.BDV.Z. 1988-04-12T19:49:53.60 10.0 undecidable manual PN 346 0.0415 -1.42 0.6
--.MGR.Z. 1988-04-12T19:49:53.30 10.0 undecidable manual PN 303 0.0394 1.2 0.8
--.MNO.Z. 1988-04-12T19:49:53.00 10.0 undecidable manual PN 273 0.0401 0.24 1.6
--.CDM.Z. 1988-04-12T19:49:53.00 10.0 undecidable manual PN 317 0.0407 -0.81 1.2
--.MEU.Z. 1988-04-12T19:49:50.21 10.0 negative manual PN 262 0.0398 -2.15 0.4
--.BAI.Z. 1988-04-12T19:49:50.00 10.0 undecidable manual PN 322 0.0381 0.15 1.6
--.PZI.Z. 1988-04-12T19:49:49.64 10.0 positive manual PN! 261 0.0391 -1.62 0
--.BRT.Z. 1988-04-12T19:49:45.33 10.0 undecidable manual PN 322 0.0354 -0.27 1.6
--.VAY.Z. 1988-04-12T19:49:45.00 10.0 undecidable manual PN 25 0.0351 -0.24 3.1
--.ORI.Z. 1988-04-12T19:49:44.50 10.0 undecidable manual PN 307 0.0339 1.16 0.8
--.ATN.Z. 1988-04-12T19:49:44.38 10.0 undecidable manual PN 276 0.0347 -0.18 1.6
--.TDS.Z. 1988-04-12T19:49:42.53 10.0 undecidable manual PN 302 0.0326 1.13 0.9
--.PE1.Z. 1988-04-12T19:49:42.00 10.0 undecidable manual PN 324 0.0338 -1.08 0.9
--.CZI.Z. 1988-04-12T19:49:41.55 10.0 undecidable manual PN 294 0.0322 0.81 1.2
--.SOI.Z. 1988-04-12T19:49:37.61 10.0 undecidable manual PN 275 0.0304 -0.5 1.4
--.GRI.Z. 1988-04-12T19:49:36.18 10.0 undecidable manual PN 289 0.0291 0.14 1.6
--.LCI.Z. 1988-04-12T19:49:33.71 10.0 undecidable manual PN 326 0.0275 0.11 1.6
--.KZN.Z. 1988-04-12T19:49:30.00 10.0 undecidable manual PN 23 0.0245 0.9 1.1
--.ATH.Z. 1988-04-12T19:49:28.30 10.0 undecidable manual PN 85 0.024 0.09 1.6
--.VLS.Z. 1988-04-12T19:48:52.80 10.0 negative manual PG 27 0.0037 -1.59 1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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