Earthquake with magnitude of ML-VAX 4.1 on date 30-03-1997 and time 12:57:41 (UTC) in region Mar Ionio Meridionale (MARE)

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

  • 30-03-1997 12:57:41 (UTC)
  • 30-03-1997 14:57:41 (UTC +02:00) Italian time
  • 30-03-1997 15:57:41 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4920, 20.1320 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 4.1 1997-03-30
12:57:41
37.492 20.132 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 264499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-30 12:57:41 ± 0.964
Latitude 37.4920 ± 0.0428
Longitude 20.1320 ± 0.0847
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 264499

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) 8862.1
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 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.02882
Epicentral distance of station farthest from the epicenter (degree) 0.10369
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitude information

ML:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 23
Type of magnitude ML
Reference to an origin 264499
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(km) Takeoff_angle Residual Weight
--.BR9.Z. 1997-03-30T13:00:25.48 10.0 undecidable manual PN 321 11.5107 0.06 1.1
--.SAL.Z. 1997-03-30T13:00:15.00 10.0 undecidable manual PN 319 10.8114 -0.77 0.8
--.CTI.Z. 1997-03-30T13:00:11.48 10.0 undecidable manual PN 323 10.6116 -1.55 0.3
--.FB9.Z. 1997-03-30T12:59:41.92 10.0 undecidable manual PN 318 8.325 0.32 1.3
--.ARV.Z. 1997-03-30T12:59:38.82 10.0 undecidable manual PN 317 8.0919 0.27 1.3
--.MNO.Z. 1997-03-30T12:59:32.81 10.0 undecidable manual SN 275 4.3179 -1.56 0.2
--.MNS.Z. 1997-03-30T12:59:30.89 10.0 undecidable manual PN 310 7.5036 0.55 1.2
--.BRT.Z. 1997-03-30T12:59:28.00 10.0 undecidable manual SN 324 4.0848 -0.97 0.4
--.LT9.Z. 1997-03-30T12:59:27.00 10.0 undecidable manual SN 319 4.0293 -0.55 0.6
--.PQ9.Z. 1997-03-30T12:59:21.92 10.0 undecidable manual PN 310 6.8598 0.41 1.4
--.SDI.Z. 1997-03-30T12:59:15.35 10.0 undecidable manual PN 310 6.4269 -0.21 1.5
--.CPI2.Z. 1997-03-30T12:59:11.74 10.0 undecidable manual PN 311 6.0606 1.28 0.6
--.RMI2.Z. 1997-03-30T12:59:09.55 10.0 undecidable manual PN 309 5.8719 1.53 0.4
--.GRI.Z. 1997-03-30T12:59:07.91 10.0 undecidable manual SN 293 3.1968 0.07 0.7
--.PSB1.Z. 1997-03-30T12:59:03.64 10.0 undecidable manual PN 311 5.5389 0.26 1.6
--.MRB1.Z. 1997-03-30T12:59:02.12 10.0 undecidable manual PN 311 5.3835 0.87 1.1
--.FG5.Z. 1997-03-30T12:59:01.10 10.0 undecidable manual PN 314 5.3169 0.68 1.3
--.CI9.Z. 1997-03-30T12:58:59.38 10.0 undecidable manual PN 309 5.1837 0.87 1.1
--.FG3.Z. 1997-03-30T12:58:58.97 10.0 undecidable manual PN 321 5.2947 -1.02 0.9
--.FG4.Z. 1997-03-30T12:58:57.71 10.0 undecidable manual PN 314 5.0838 0.57 1.4
--.MU9.Z. 1997-03-30T12:58:54.70 10.0 undecidable manual PN 311 4.8507 0.14 1.7
--.SGO.Z. 1997-03-30T12:58:54.52 10.0 undecidable manual PN 308 4.8285 0.89 1.1
--.CS9.Z. 1997-03-30T12:58:54.42 10.0 undecidable manual PN 274 4.7952 1.16 0.8
--.SL9.Z. 1997-03-30T12:58:50.15 10.0 undecidable manual PN 308 4.5288 0.62 1.4
--.MNO.Z. 1997-03-30T12:58:48.12 10.0 undecidable manual PN 275 4.3179 1.59 0.4
--.MEU.Z. 1997-03-30T12:58:44.12 10.0 undecidable manual PN 264 4.218 -1.19 0.7
--.PZI.Z. 1997-03-30T12:58:43.13 10.0 undecidable manual PN 263 4.1403 -1.01 0.9
--.BRT.Z. 1997-03-30T12:58:42.27 10.0 undecidable manual PN 324 4.0848 -1.14 0.8
--.LT9.Z. 1997-03-30T12:58:41.31 10.0 undecidable manual PN 319 4.0293 -1.29 0.6
--.AU9.Z. 1997-03-30T12:58:39.27 10.0 undecidable manual PN 265 3.8961 -1.59 0.4
--.MSI.Z. 1997-03-30T12:58:38.71 10.0 undecidable manual PN 280 3.6741 0.97 1
--.ATN.Z. 1997-03-30T12:58:38.57 10.0 undecidable manual PN 279 3.7407 -0.06 1.7
--.MO9.Z. 1997-03-30T12:58:36.00 10.0 undecidable manual PN 277 3.5298 0.14 1.7
--.TDS.Z. 1997-03-30T12:58:36.67 10.0 undecidable manual PN 305 3.663 -0.94 1
--.LCI.Z. 1997-03-30T12:58:31.50 10.0 undecidable manual PN 329 3.2301 -0.71 1.3
--.GRI.Z. 1997-03-30T12:58:30.70 10.0 undecidable manual PN 293 3.1968 -0.52 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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