A magnitude Md 2.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on
and geographic coordinates (lat, lon) 38.9910, 15.7270 at 16 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 2.3 | 1991-08-29 00:48:44 |
38.991 | 15.727 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 148309 |
Field | Value |
---|---|
Time (UTC) | 1991-08-29 00:48:44 ± 0.85 |
Latitude | 38.9910 ± 0.0190 |
Longitude | 15.7270 ± 0.0864 |
Depth (km) | 16 ± 7 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 148309 |
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) | 7763.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 171 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
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) | 0.00348 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01036 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 148309 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:18:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MGR.Z. | 1991-08-29T00:49:21.89 | 10.0 | undecidable | manual | SN | 353 | 1.1544 | 0.4 | 0.5 | |
--.MO9.Z. | 1991-08-29T00:49:19.36 | 10.0 | undecidable | manual | SN | 181 | 0.9768 | 1.78 | 0 | |
--.SOI.Z. | 1991-08-29T00:49:16.00 | 10.0 | undecidable | manual | SN | 164 | 0.9435 | -0.71 | 0.3 | |
--.TDS.Z. | 1991-08-29T00:49:13.57 | 10.0 | undecidable | manual | SG | 35 | 0.8103 | 0.53 | 0.5 | |
--.MGR.Z. | 1991-08-29T00:49:05.74 | 10.0 | undecidable | manual | PN | 353 | 1.1544 | -0.24 | 1.4 | |
--.MO9.Z. | 1991-08-29T00:49:03.59 | 10.0 | undecidable | manual | PN | 181 | 0.9768 | -0.14 | 1.6 | |
--.SOI.Z. | 1991-08-29T00:49:02.71 | 10.0 | undecidable | manual | PN | 164 | 0.9435 | -0.51 | 1.1 | |
--.TDS.Z. | 1991-08-29T00:49:00.58 | 10.0 | undecidable | manual | PG | 35 | 0.8103 | -0.53 | 1.2 | |
--.CZI.Z. | 1991-08-29T00:48:58.60 | 10.0 | undecidable | manual | SG | 54 | 0.3885 | -0.77 | 0.3 | |
--.ACI.Z. | 1991-08-29T00:48:55.35 | 10.0 | undecidable | manual | PG | 45 | 0.5106 | -0.17 | 1.7 | |
--.CZI.Z. | 1991-08-29T00:48:53.76 | 10.0 | negative | manual | PG | 54 | 0.3885 | 0.54 | 2.3 |