A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4650, 15.4380 at 167 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1989-04-06 03:30:21 |
38.465 | 15.438 | 167 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 89379 |
Field | Value |
---|---|
Time (UTC) | 1989-04-06 03:30:21 ± 1.947 |
Latitude | 38.4650 ± 0.0544 |
Longitude | 15.4380 ± 0.1738 |
Depth (km) | 167 ± 18 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 89379 |
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) | 16294.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01506 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 89379 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:23:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1989-04-06T03:31:13.50 | 10.0 | undecidable | manual | S | 30 | 1.3764 | 0.18 | 0.4 | |
--.GRI.Z. | 1989-04-06T03:31:07.00 | 10.0 | undecidable | manual | S | 64 | 0.8325 | 1.57 | 0.1 | |
--.ATN.Z. | 1989-04-06T03:30:59.00 | 10.0 | undecidable | manual | S | 176 | 0.3108 | -1.67 | 0.1 | |
--.MGR.Z. | 1989-04-06T03:30:54.50 | 10.0 | undecidable | manual | P | 3 | 1.6761 | 0.21 | 0.8 | |
--.ROI.Z. | 1989-04-06T03:30:53.40 | 10.0 | undecidable | manual | P | 38 | 1.3986 | 1.43 | 0.2 | |
--.CSI.Z. | 1989-04-06T03:30:52.62 | 10.0 | undecidable | manual | P | 26 | 1.4763 | 0.37 | 0.8 | |
--.MMN.Z. | 1989-04-06T03:30:51.60 | 10.0 | undecidable | manual | P | 16 | 1.4874 | -0.78 | 0.6 | |
--.TDS.Z. | 1989-04-06T03:30:51.50 | 10.0 | undecidable | manual | P | 30 | 1.3764 | 0.17 | 0.9 | |
--.GRI.Z. | 1989-04-06T03:30:47.00 | 10.0 | undecidable | manual | P | 64 | 0.8325 | 0.22 | 1.1 | |
--.CZI.Z. | 1989-04-06T03:30:47.14 | 10.0 | positive | manual | P | 35 | 0.9213 | -0.24 | 2.1 | |
--.RI2.Z. | 1989-04-06T03:30:46.00 | 10.0 | undecidable | manual | P | 92 | 0.8214 | -0.61 | 0.8 | |
--.SE2.Z. | 1989-04-06T03:30:46.42 | 10.0 | undecidable | manual | P | 61 | 1.1322 | -2.67 | 0 | |
--.FE2.Z. | 1989-04-06T03:30:46.22 | 10.0 | positive | manual | P | 129 | 0.6549 | 0.61 | 1.7 | |
--.SOI.Z. | 1989-04-06T03:30:45.50 | 10.0 | negative | manual | P | 128 | 0.6216 | 0.13 | 2.2 | |
--.ATN.Z. | 1989-04-06T03:30:44.00 | 10.0 | undecidable | manual | P | 176 | 0.3108 | -0.03 | 1.1 | |
--.GA2.Z. | 1989-04-06T03:30:44.52 | 10.0 | negative | manual | P | 133 | 0.4218 | 0.08 | 2.2 | |
--.DR2.Z. | 1989-04-06T03:30:44.66 | 10.0 | positive | manual | P | 64 | 0.4218 | 0.22 | 2.1 |