A magnitude ML-VAX 4.1 earthquake occured in region: Mar Ionio Meridionale (MARE), on
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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
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 |
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 |
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 |
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 |
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 |
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 |