A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6710, 15.4140 at 143 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
ML-VAX 1.8 |
1989-12-28 03:58:25 |
38.671 | 15.414 | 143 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 106829 |
Field | Value |
---|---|
Time (UTC) | 1989-12-28 03:58:25 ± 1.247 |
Latitude | 38.6710 ± 0.0411 |
Longitude | 15.4140 ± 0.1213 |
Depth (km) | 143 ± 12 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 106829 |
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) | 11475.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01174 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 106829 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:39:28 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 106829 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1989-12-28T03:59:12.75 | 10.0 | undecidable | manual | S | 35 | 1.2099 | 1.35 | 0 | |
--.CSI.Z. | 1989-12-28T03:59:11.20 | 10.0 | undecidable | manual | S | 31 | 1.2987 | -1.67 | 0 | |
--.MMN.Z. | 1989-12-28T03:59:10.00 | 10.0 | undecidable | manual | S ! | 20 | 1.2987 | -2.75 | 0 | |
--.FE2.Z. | 1989-12-28T03:59:06.60 | 10.0 | undecidable | manual | S | 140 | 0.8214 | 0.84 | 0.1 | |
--.ATN.Z. | 1989-12-28T03:59:02.64 | 10.0 | undecidable | manual | S | 176 | 0.5106 | 1.01 | 0.1 | |
--.CZI.Z. | 1989-12-28T03:59:02.75 | 10.0 | undecidable | manual | S | 45 | 0.777 | -1.93 | 0 | |
--.GA2.Z. | 1989-12-28T03:59:02.55 | 10.0 | undecidable | manual | S | 147 | 0.5883 | 0.06 | 0.4 | |
--.DR2.Z. | 1989-12-28T03:59:01.55 | 10.0 | undecidable | manual | S | 93 | 0.3996 | 0.84 | 0.1 | |
--.CSI.Z. | 1989-12-28T03:58:53.48 | 10.0 | negative | manual | P | 31 | 1.2987 | 0.51 | 1 | |
--.MMN.Z. | 1989-12-28T03:58:53.20 | 10.0 | undecidable | manual | P | 20 | 1.2987 | 0.3 | 1.4 | |
--.TDS.Z. | 1989-12-28T03:58:51.93 | 10.0 | undecidable | manual | P | 35 | 1.2099 | -0.19 | 0.8 | |
--.SE2.Z. | 1989-12-28T03:58:50.45 | 10.0 | undecidable | manual | P | 71 | 1.0656 | -0.24 | 0.8 | |
--.FE2.Z. | 1989-12-28T03:58:48.44 | 10.0 | positive | manual | P | 140 | 0.8214 | -0.12 | 2 | |
--.PA2.Z. | 1989-12-28T03:58:48.66 | 10.0 | positive | manual | P | 103 | 0.8214 | 0.04 | 2 | |
--.CZI.Z. | 1989-12-28T03:58:48.14 | 10.0 | positive | manual | P | 45 | 0.777 | -0.11 | 2 | |
--.GA2.Z. | 1989-12-28T03:58:47.10 | 10.0 | undecidable | manual | P | 147 | 0.5883 | 0.12 | 2 | |
--.MO9.Z. | 1989-12-28T03:58:47.60 | 10.0 | positive | manual | P | 162 | 0.6993 | -0.07 | 2 | |
--.ATN.Z. | 1989-12-28T03:58:45.98 | 10.0 | positive | manual | P | 176 | 0.5106 | -0.5 | 1.2 | |
--.DR2.Z. | 1989-12-28T03:58:45.90 | 10.0 | positive | manual | P | 93 | 0.3996 | -0.05 | 2 |