A magnitude ML-VAX 4.0 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 37.4970, 20.3940 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 4.0 | 1997-01-02 15:22:25 |
37.497 | 20.394 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 258989 |
Field | Value |
---|---|
Time (UTC) | 1997-01-02 15:22:25 ± 1.479 |
Latitude | 37.4970 ± 0.0606 |
Longitude | 20.3940 ± 0.1260 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 258989 |
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) | 12994.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 295 |
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) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.03003 |
Epicentral distance of station farthest from the epicenter (degree) | 0.09657 |
Number of stations at which the event was observed | 33 |
Number of stations from which data was used for origin computation | 33 |
Field | Value |
---|---|
Value | 4.0 |
Uncertainty | |
Num. used stations | 25 |
Type of magnitude | ML |
Reference to an origin | 258989 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CTI.Z. | 1997-01-02T15:24:58.42 | 10.0 | undecidable | manual | PN | 324 | 10.7226 | -0.54 | 1 | |
--.FVI.Z. | 1997-01-02T15:24:57.36 | 10.0 | undecidable | manual | PN | 329 | 10.6782 | -1.03 | 0.7 | |
--.FB9.Z. | 1997-01-02T15:24:27.50 | 10.0 | undecidable | manual | PN | 318 | 8.4582 | -0.27 | 1.3 | |
--.ARV.Z. | 1997-01-02T15:24:23.46 | 10.0 | undecidable | manual | PN | 317 | 8.2251 | -1.26 | 0.6 | |
--.PZI.Z. | 1997-01-02T15:24:18.57 | 10.0 | undecidable | manual | SN | 264 | 4.3512 | -0.96 | 0.4 | |
--.MNS.Z. | 1997-01-02T15:24:17.68 | 10.0 | undecidable | manual | PN | 310 | 7.6479 | 0.91 | 0.9 | |
--.LT9.Z. | 1997-01-02T15:24:14.35 | 10.0 | undecidable | manual | SN | 317 | 4.1514 | -0.61 | 0.6 | |
--.AU9.Z. | 1997-01-02T15:24:11.99 | 10.0 | undecidable | manual | SN | 266 | 4.107 | -1.86 | 0.1 | |
--.PQ9.Z. | 1997-01-02T15:24:09.50 | 10.0 | undecidable | manual | PN | 310 | 7.0041 | 1.58 | 0.4 | |
--.SDI.Z. | 1997-01-02T15:24:01.74 | 10.0 | undecidable | manual | PN | 310 | 6.5823 | -0.25 | 1.5 | |
--.CPI2.Z. | 1997-01-02T15:23:57.54 | 10.0 | undecidable | manual | PN | 311 | 6.2049 | 0.7 | 1.2 | |
--.DUI.Z. | 1997-01-02T15:23:56.88 | 10.0 | undecidable | manual | PN | 312 | 6.1605 | 0.5 | 1.4 | |
--.SMB1.Z. | 1997-01-02T15:23:53.13 | 10.0 | undecidable | manual | PN | 312 | 5.8497 | 1.13 | 0.8 | |
--.FG2.Z. | 1997-01-02T15:23:51.54 | 10.0 | undecidable | manual | PN | 317 | 5.883 | -0.92 | 1 | |
--.PSB1.Z. | 1997-01-02T15:23:50.47 | 10.0 | undecidable | manual | PN | 311 | 5.6832 | 0.7 | 1.3 | |
--.MRB1.Z. | 1997-01-02T15:23:48.66 | 10.0 | undecidable | manual | PN | 311 | 5.5389 | 1.02 | 1 | |
--.FG5.Z. | 1997-01-02T15:23:47.25 | 10.0 | undecidable | manual | PN | 313 | 5.4612 | 0.54 | 1.4 | |
--.FAI.Z. | 1997-01-02T15:23:46.40 | 10.0 | undecidable | manual | PN | 268 | 5.3391 | 1.11 | 0.9 | |
--.CI9.Z. | 1997-01-02T15:23:45.99 | 10.0 | undecidable | manual | PN | 309 | 5.3391 | 1.02 | 1 | |
--.FG3.Z. | 1997-01-02T15:23:44.40 | 10.0 | undecidable | manual | PN | 320 | 5.4057 | -1.96 | 0.2 | |
--.FG4.Z. | 1997-01-02T15:23:43.46 | 10.0 | undecidable | manual | PN | 314 | 5.217 | 0.04 | 1.7 | |
--.SGO.Z. | 1997-01-02T15:23:41.66 | 10.0 | undecidable | manual | PN | 307 | 4.9839 | 1.54 | 0.5 | |
--.CS9.Z. | 1997-01-02T15:23:41.48 | 10.0 | undecidable | manual | PN | 275 | 5.0061 | 1.04 | 1 | |
--.MU9.Z. | 1997-01-02T15:23:40.93 | 10.0 | undecidable | manual | PN | 310 | 4.995 | 0.61 | 1.4 | |
--.SL9.Z. | 1997-01-02T15:23:37.43 | 10.0 | undecidable | manual | PN | 308 | 4.6842 | 1.41 | 0.6 | |
--.PZI.Z. | 1997-01-02T15:23:30.44 | 10.0 | undecidable | manual | PN | 264 | 4.3512 | -0.91 | 1.1 | |
--.BRT.Z. | 1997-01-02T15:23:28.19 | 10.0 | undecidable | manual | PN | 322 | 4.1958 | -1.13 | 0.9 | |
--.LT9.Z. | 1997-01-02T15:23:27.68 | 10.0 | undecidable | manual | PN | 317 | 4.1514 | -1.03 | 1 | |
--.AU9.Z. | 1997-01-02T15:23:26.52 | 10.0 | undecidable | manual | PN | 266 | 4.107 | -1.55 | 0.5 | |
--.ORI.Z. | 1997-01-02T15:23:26.64 | 10.0 | undecidable | manual | PN | 309 | 3.9849 | 0.2 | 1.6 | |
--.ATN.Z. | 1997-01-02T15:23:26.47 | 10.0 | undecidable | manual | PN | 279 | 3.9405 | 0.7 | 1.3 | |
--.SC9.Z. | 1997-01-02T15:23:23.46 | 10.0 | undecidable | manual | PN | 281 | 3.7518 | 0.17 | 1.7 | |
--.MO9.Z. | 1997-01-02T15:23:22.83 | 10.0 | undecidable | manual | PN | 277 | 3.7407 | -0.2 | 1.6 | |
--.SOI.Z. | 1997-01-02T15:23:18.96 | 10.0 | undecidable | manual | PN | 279 | 3.4632 | -0.32 | 1.6 | |
--.GRI.Z. | 1997-01-02T15:23:17.14 | 10.0 | undecidable | manual | PN | 292 | 3.3855 | -0.99 | 1 | |
--.LCI.Z. | 1997-01-02T15:23:16.28 | 10.0 | undecidable | manual | PN | 327 | 3.33 | -1.19 | 0.8 |