A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.4310, 15.3980 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.7 |
1990-12-18 13:52:11 |
39.431 | 15.398 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 132669 |
Field | Value |
---|---|
Time (UTC) | 1990-12-18 13:52:11 ± 0.628 |
Latitude | 39.4310 ± 0.0141 |
Longitude | 15.3980 ± 0.0440 |
Depth (km) | 10 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 132669 |
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) | 4092.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 191 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
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) | 0.00575 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01303 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 132669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:03:36 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 132669 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SGO.Z. | 1990-12-18T13:52:49.65 | 10.0 | undecidable | manual | SN | 357 | 1.1211 | 0.85 | 0.2 | |
--.GRI.Z. | 1990-12-18T13:52:45.53 | 10.0 | undecidable | manual | SG | 127 | 0.999 | 0.02 | 0.8 | |
--.SOI.Z. | 1990-12-18T13:52:37.00 | 10.0 | undecidable | manual | PN | 159 | 1.443 | -0.45 | 1.1 | |
--.TDS.Z. | 1990-12-18T13:52:37.47 | 10.0 | undecidable | manual | SG | 72 | 0.7548 | -0.35 | 0.7 | |
--.GA2.Z. | 1990-12-18T13:52:35.12 | 10.0 | undecidable | manual | PN | 165 | 1.2987 | -0.35 | 1.4 | |
--.MMN.Z. | 1990-12-18T13:52:33.00 | 10.0 | undecidable | manual | SG | 45 | 0.6327 | -1.18 | 0.1 | |
--.SGO.Z. | 1990-12-18T13:52:33.14 | 10.0 | undecidable | manual | PN | 357 | 1.1211 | 0.09 | 1.8 | |
--.GRI.Z. | 1990-12-18T13:52:32.35 | 10.0 | undecidable | manual | PG | 127 | 0.999 | 1.2 | 0.2 | |
--.ROI.Z. | 1990-12-18T13:52:29.70 | 10.0 | undecidable | manual | PG | 81 | 0.9102 | 0.15 | 1.9 | |
--.DR2.Z. | 1990-12-18T13:52:28.72 | 10.0 | undecidable | manual | PG | 152 | 0.8769 | -0.4 | 1.6 | |
--.TDS.Z. | 1990-12-18T13:52:27.80 | 10.0 | undecidable | manual | PG | 72 | 0.7548 | 0.38 | 1.6 | |
--.MMN.Z. | 1990-12-18T13:52:27.60 | 10.0 | undecidable | manual | PG! | 45 | 0.6327 | 3 | 0 | |
--.CSI.Z. | 1990-12-18T13:52:26.61 | 10.0 | undecidable | manual | PG | 63 | 0.777 | -0.38 | 1.6 |