A magnitude Md 1.8 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on
and geographic coordinates (lat, lon) 38.8840, 15.9890 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Briatico | VV | 18 | 4053 | 4053 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8 | 1990-10-21 12:48:46 |
38.884 | 15.989 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 129169 |
Field | Value |
---|---|
Time (UTC) | 1990-10-21 12:48:46 ± 0.319 |
Latitude | 38.8840 ± 0.0177 |
Longitude | 15.9890 ± 0.0512 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 129169 |
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) | 4849.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 187 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00761 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 129169 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:00:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FE2.Z. | 1990-10-21T12:49:13.90 | 10.0 | undecidable | manual | SG | 174 | 0.8436 | -1.48 | 0 | |
--.GA2.Z. | 1990-10-21T12:49:11.48 | 10.0 | undecidable | manual | SG | 189 | 0.7215 | 0.01 | 0.5 | |
--.FE2.Z. | 1990-10-21T12:49:06.46 | 10.0 | undecidable | manual | PG! | 174 | 0.8436 | 3.39 | 0 | |
--.GA2.Z. | 1990-10-21T12:49:05.50 | 10.0 | undecidable | manual | PG! | 189 | 0.7215 | 4.69 | 0 | |
--.GRI.Z. | 1990-10-21T12:48:54.00 | 10.0 | undecidable | manual | PG | 100 | 0.333 | 0.33 | 1.2 | |
--.CZI.Z. | 1990-10-21T12:48:53.70 | 10.0 | positive | manual | PG | 18 | 0.3552 | -0.18 | 2.8 | |
--.DR2.Z. | 1990-10-21T12:48:52.18 | 10.0 | negative | manual | PG | 190 | 0.2442 | 0.31 | 2.4 |