A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8380, 15.5010 at 5 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 2.4 |
1994-12-21 22:20:23 |
38.838 | 15.501 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 221509 |
Field | Value |
---|---|
Time (UTC) | 1994-12-21 22:20:23 ± 0.37 |
Latitude | 38.8380 ± 0.0138 |
Longitude | 15.5010 ± 0.0427 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 221509 |
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) | 4002.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
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) | 0.00542 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01271 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 7 |
Type of magnitude | Md |
Reference to an origin | 221509 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:29:13 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 221509 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MGR.Z. | 1994-12-21T22:21:06.62 | 10.0 | undecidable | manual | SN | 1 | 1.2987 | 0.67 | 0.4 | |
--.CSI.Z. | 1994-12-21T22:21:02.60 | 10.0 | undecidable | manual | SN | 32 | 1.1211 | 0.76 | 0.4 | |
--.ROI.Z. | 1994-12-21T22:21:01.30 | 10.0 | undecidable | manual | SN | 48 | 1.0989 | -0.27 | 0.6 | |
--.TDS.Z. | 1994-12-21T22:20:58.83 | 10.0 | undecidable | manual | SG | 38 | 1.0434 | -0.83 | 0.4 | |
--.MO9.Z. | 1994-12-21T22:20:52.63 | 10.0 | undecidable | manual | SG | 169 | 0.8436 | -0.7 | 0.5 | |
--.SOI.Z. | 1994-12-21T22:20:52.63 | 10.0 | undecidable | manual | SG | 150 | 0.8769 | -1.64 | 0.2 | |
--.ORI.Z. | 1994-12-21T22:20:51.22 | 10.0 | undecidable | manual | PN | 30 | 1.4097 | 1.77 | 0.3 | |
--.GRI.Z. | 1994-12-21T22:20:50.33 | 10.0 | undecidable | manual | SG | 91 | 0.7104 | 1.29 | 0.3 | |
--.GMB.Z. | 1994-12-21T22:20:49.56 | 10.0 | undecidable | manual | SG | 159 | 0.7104 | 0.47 | 0.6 | |
--.MGR.Z. | 1994-12-21T22:20:47.17 | 10.0 | undecidable | manual | PN | 1 | 1.2987 | -0.71 | 1.1 | |
--.ATN.Z. | 1994-12-21T22:20:47.25 | 10.0 | undecidable | manual | SG | 182 | 0.6771 | -0.66 | 0.5 | |
--.SC9.Z. | 1994-12-21T22:20:47.13 | 10.0 | undecidable | manual | SG | 163 | 0.5994 | 1.65 | 0.2 | |
--.MSI.Z. | 1994-12-21T22:20:47.51 | 10.0 | undecidable | manual | SG | 176 | 0.6327 | 1.02 | 0.4 | |
--.CSI.Z. | 1994-12-21T22:20:45.19 | 10.0 | undecidable | manual | PN | 32 | 1.1211 | -0.33 | 1.4 | |
--.ROI.Z. | 1994-12-21T22:20:44.24 | 10.0 | undecidable | manual | PN | 48 | 1.0989 | -0.96 | 0.9 | |
--.TDS.Z. | 1994-12-21T22:20:43.26 | 10.0 | negative | manual | PG | 38 | 1.0434 | -0.99 | 1.9 | |
--.MO9.Z. | 1994-12-21T22:20:40.60 | 10.0 | undecidable | manual | PG | 169 | 0.8436 | -0.54 | 1.4 | |
--.ACI.Z. | 1994-12-21T22:20:40.11 | 10.0 | undecidable | manual | PG | 46 | 0.7437 | 1.38 | 0.6 | |
--.SOI.Z. | 1994-12-21T22:20:39.50 | 10.0 | negative | manual | PG | 150 | 0.8769 | -1.65 | 0.8 | |
--.GRI.Z. | 1994-12-21T22:20:38.76 | 10.0 | negative | manual | PG | 91 | 0.7104 | 0.63 | 2.7 | |
--.ATN.Z. | 1994-12-21T22:20:38.20 | 10.0 | negative | manual | PG | 182 | 0.6771 | 0.55 | 2.9 | |
--.SC9.Z. | 1994-12-21T22:20:37.13 | 10.0 | undecidable | manual | PG | 163 | 0.5994 | 1.06 | 0.9 | |
--.MSI.Z. | 1994-12-21T22:20:37.48 | 10.0 | undecidable | manual | PG | 176 | 0.6327 | 0.83 | 1.2 | |
--.GMB.Z. | 1994-12-21T22:20:37.94 | 10.0 | negative | manual | PG | 159 | 0.7104 | -0.22 | 3.3 |