A magnitude ML-VAX 3.4 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 37.4130, 20.4350 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 3.4 | 1998-04-29 10:29:29 |
37.413 | 20.435 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 336849 |
Field | Value |
---|---|
Time (UTC) | 1998-04-29 10:29:29 ± 4.012 |
Latitude | 37.4130 ± 0.1630 |
Longitude | 20.4350 ± 0.3287 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 336849 |
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) | 34230.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 311 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.03084 |
Epicentral distance of station farthest from the epicenter (degree) | 0.05059 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 3.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 336849 |
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 | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MRB1.Z. | 1998-04-29T10:30:51.82 | 10.0 | undecidable | manual | PN | 311 | 0.0506 | -0.41 | 1 | |
--.MU9.Z. | 1998-04-29T10:30:44.22 | 10.0 | undecidable | manual | PN | 311 | 0.0457 | -0.69 | 0.9 | |
--.SGO.Z. | 1998-04-29T10:30:44.79 | 10.0 | undecidable | manual | PN | 308 | 0.0456 | 0.1 | 1.1 | |
--.SL9.Z. | 1998-04-29T10:30:41.25 | 10.0 | undecidable | manual | PN | 308 | 0.0429 | 0.67 | 1.3 | |
--.ORI.Z. | 1998-04-29T10:30:38.50 | 10.0 | undecidable | manual | PN | 310 | 0.0367 | 7.04 | 0 | |
--.MO9.Z. | 1998-04-29T10:30:27.12 | 10.0 | undecidable | manual | PN | 278 | 0.0341 | -0.02 | 1.4 | |
--.LCI.Z. | 1998-04-29T10:30:22.25 | 10.0 | undecidable | manual | PN | 327 | 0.0308 | 0.08 | 1.4 |