Earthquake with magnitude of ML-VAX 3.4 on date 31-03-2001 and time 20:53:46 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML-VAX 3.4 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 31-03-2001 18:53:46 (UTC)
  • 31-03-2001 20:53:46 (UTC +02:00) Italian time
  • 31-03-2001 21:53:46 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.573, 20.421 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
ML-VAX 3.4 2001-03-31
18:53:46
37.573 20.421 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 415079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-03-31 18:53:46 ± 1.305
Latitude 37.5730 ± 0.0672
Longitude 20.4210 ± 0.1051
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 415079

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) 11898
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 293
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
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) 0.02955
Epicentral distance of station farthest from the epicenter (degree) 0.09617
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitude information

ML:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 19
Type of magnitude ML
Reference to an origin 415079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 2001-03-31T18:56:16.91 10.0 undecidable manual PN 323 0.0962 -2.31 0.4
--.PTCC.Z. 2001-03-31T18:56:11.37 10.0 undecidable manual PN 330 0.0923 -2.02 0.5
--.RGNG.Z. 2001-03-31T18:56:03.13 10.0 undecidable manual SN 317 0.0498 -5.38 0
--.SGO.Z. 2001-03-31T18:55:58.49 10.0 undecidable manual SN 307 0.0446 3.55 0
--.ASS.Z. 2001-03-31T18:55:44.65 10.0 undecidable manual PN 313 0.0725 1.41 0.6
--.MEU.Z. 2001-03-31T18:55:42.82 10.0 undecidable manual SN 264 0.0401 -0.32 0.6
--.PZI.Z. 2001-03-31T18:55:39.50 10.0 undecidable manual SN 263 0.0394 -1.63 0.3
--.NRCA.Z. 2001-03-31T18:55:38.17 10.0 undecidable manual PN 314 0.0689 0.49 1.1
--.ORI.Z. 2001-03-31T18:55:31.97 10.0 undecidable manual SN 308 0.0356 0.77 0.3
--.ATN.Z. 2001-03-31T18:55:31.18 10.0 undecidable manual SN 278 0.0355 0.19 0.6
--.AU9.Z. 2001-03-31T18:55:31.86 10.0 undecidable manual SN 265 0.0372 -3.52 0
--.BRT.Z. 2001-03-31T18:55:29.57 10.0 undecidable manual SN 322 0.0374 -6.23 0
--.MO9.Z. 2001-03-31T18:55:26.46 10.0 undecidable manual SN 276 0.0338 0.16 0.6
--.CZI.Z. 2001-03-31T18:55:25.33 10.0 undecidable manual SN 295 0.0336 -0.5 0.6
--.ROI.Z. 2001-03-31T18:55:24.65 10.0 undecidable manual SN 303 0.0325 1.8 0.1
--.SDI.Z. 2001-03-31T18:55:22.95 10.0 undecidable manual PN 309 0.0589 0.49 1.2
--.SOI.Z. 2001-03-31T18:55:17.76 10.0 undecidable manual SN 278 0.0313 -2 0.3
--.CPI2.Z. 2001-03-31T18:55:16.65 10.0 undecidable manual PN 310 0.0555 -0.65 1.3
--.RGNG.Z. 2001-03-31T18:55:08.68 10.0 undecidable manual PN 317 0.0498 0.2 1.4
--.CI9.Z. 2001-03-31T18:55:07.12 10.0 undecidable manual PN 308 0.0478 1.65 0.6
--.SGO.Z. 2001-03-31T18:55:01.11 10.0 undecidable manual PN 307 0.0446 0.46 1.4
--.MU9.Z. 2001-03-31T18:54:58.83 10.0 undecidable manual PN 309 0.0447 -1.97 0.7
--.SL9.Z. 2001-03-31T18:54:57.49 10.0 undecidable manual PN 307 0.0419 0.95 1.1
--.MGR.Z. 2001-03-31T18:54:55.52 10.0 undecidable manual PN 304 0.0411 0.25 1.5
--.MEU.Z. 2001-03-31T18:54:53.39 10.0 positive manual PN 264 0.0401 -0.45 2.8
--.PZI.Z. 2001-03-31T18:54:52.64 10.0 positive manual PN 263 0.0394 -0.04 3.1
--.ATN.Z. 2001-03-31T18:54:48.54 10.0 undecidable manual PN 278 0.0355 1.72 0.8
--.AU9.Z. 2001-03-31T18:54:48.72 10.0 undecidable manual PN 265 0.0372 -0.64 1.3
--.BRT.Z. 2001-03-31T18:54:48.21 10.0 undecidable manual PN 322 0.0374 -1.39 1.2
--.ORI.Z. 2001-03-31T18:54:47.82 10.0 undecidable manual PN 308 0.0356 0.88 1.2
--.TDS.Z. 2001-03-31T18:54:45.34 10.0 undecidable manual PN 302 0.0342 0.53 1.4
--.MO9.Z. 2001-03-31T18:54:44.54 10.0 positive manual PN 276 0.0338 0.43 3
--.CZI.Z. 2001-03-31T18:54:44.66 10.0 undecidable manual PN 295 0.0336 0.82 1.2
--.ROI.Z. 2001-03-31T18:54:42.23 10.0 undecidable manual PN 303 0.0325 0.11 1.5
--.SOI.Z. 2001-03-31T18:54:40.73 10.0 undecidable manual PN 278 0.0313 0.39 1.5
--.GRI.Z. 2001-03-31T18:54:38.26 10.0 undecidable manual PN 291 0.0304 -0.67 1.4
--.LCI.Z. 2001-03-31T18:54:36.70 10.0 undecidable manual PN 326 0.0295 -0.98 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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