A magnitude Md 2.5 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on
and geographic coordinates (lat, lon) 38.6890, 15.7160 at 24 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 |
---|---|---|---|---|
Ricadi | VV | 15 | 4900 | 4900 |
Tropea | VV | 16 | 6441 | 11341 |
Drapia | VV | 17 | 2085 | 13426 |
Spilinga | VV | 18 | 1464 | 14890 |
Parghelia | VV | 18 | 1300 | 16190 |
Zaccanopoli | VV | 19 | 752 | 16942 |
Joppolo | VV | 20 | 1926 | 18868 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 2.2 |
1987-10-23 22:03:22 |
38.689 | 15.716 | 24 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 57529 |
Field | Value |
---|---|
Time (UTC) | 1987-10-23 22:03:22 ± 0.185 |
Latitude | 38.6890 ± 0.0111 |
Longitude | 15.7160 ± 0.0222 |
Depth (km) | 24 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 57529 |
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) | 2287.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00502 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01303 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 57529 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:55:09 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 57529 |
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. | 1987-10-23T22:04:04.74 | 10.0 | undecidable | manual | SN | 354 | 1.443 | -0.29 | 0.3 | |
--.SOI.Z. | 1987-10-23T22:03:46.53 | 10.0 | undecidable | manual | SN | 156 | 0.666 | 0.11 | 0.6 | |
--.MGR.Z. | 1987-10-23T22:03:46.64 | 10.0 | undecidable | manual | PN | 354 | 1.443 | -0.53 | 0.5 | |
--.MMN.Z. | 1987-10-23T22:03:44.60 | 10.0 | undecidable | manual | PN | 9 | 1.2099 | 0.63 | 0.4 | |
--.ATN.Z. | 1987-10-23T22:03:42.50 | 10.0 | undecidable | manual | SG | 200 | 0.555 | -0.95 | 0 | |
--.GRI.Z. | 1987-10-23T22:03:42.96 | 10.0 | undecidable | manual | SG | 75 | 0.555 | -0.45 | 0.3 | |
--.SOI.Z. | 1987-10-23T22:03:36.62 | 10.0 | undecidable | manual | PN | 156 | 0.666 | 0.19 | 1.3 | |
--.ATN.Z. | 1987-10-23T22:03:35.00 | 10.0 | negative | manual | PG | 200 | 0.555 | 0.28 | 2.3 | |
--.RI2.Z. | 1987-10-23T22:03:35.80 | 10.0 | undecidable | manual | PN | 113 | 0.6549 | -0.48 | 0.8 | |
--.GRI.Z. | 1987-10-23T22:03:35.90 | 10.0 | negative | manual | PG | 75 | 0.555 | 0.41 | 1.8 | |
--.CZI.Z. | 1987-10-23T22:03:35.50 | 10.0 | undecidable | manual | PG | 31 | 0.6216 | -0.2 | 2.6 |