A magnitude Md 1.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on
and geographic coordinates (lat, lon) 44.4230, 6.6200 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 1.8 | 1987-02-25 13:11:45 |
44.423 | 6.62 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 41969 |
Field | Value |
---|---|
Time (UTC) | 1987-02-25 13:11:45 ± 0.479 |
Latitude | 44.4230 ± 0.0114 |
Longitude | 6.6200 ± 0.0239 |
Depth (km) | 10 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 41969 |
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) | 2280.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 254 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
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) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01036 |
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 | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 41969 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:41:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RSP.Z. | 1987-02-25T13:12:14.80 | 10.0 | undecidable | manual | SG | 31 | 0.8547 | -0.25 | 0.5 | |
--.FIN.Z. | 1987-02-25T13:12:07.60 | 10.0 | undecidable | manual | PN | 100 | 1.1544 | 0.04 | 1.5 | |
--.LSD.Z. | 1987-02-25T13:12:06.70 | 10.0 | undecidable | manual | PN | 20 | 1.0989 | -0.1 | 1.5 | |
--.IMP.Z. | 1987-02-25T13:12:06.30 | 10.0 | undecidable | manual | PN | 118 | 1.0434 | 0.29 | 1.2 | |
--.STV.Z. | 1987-02-25T13:12:04.10 | 10.0 | undecidable | manual | SG | 108 | 0.5328 | -0.64 | 0.2 | |
--.RRL.Z. | 1987-02-25T13:12:03.80 | 10.0 | undecidable | manual | SG | 13 | 0.4995 | -0.13 | 0.7 | |
--.DA9.Z. | 1987-02-25T13:12:02.00 | 10.0 | undecidable | manual | SG | 79 | 0.444 | -0.1 | 0.7 | |
--.RSP.Z. | 1987-02-25T13:12:02.50 | 10.0 | undecidable | manual | PG | 31 | 0.8547 | -0.12 | 1.6 | |
--.ROB.Z. | 1987-02-25T13:12:02.90 | 10.0 | undecidable | manual | PG | 97 | 0.8991 | -0.58 | 0.5 | |
--.SOO.Z. | 1987-02-25T13:11:59.40 | 10.0 | undecidable | manual | SG | 76 | 0.3552 | 0.52 | 0.4 | |
--.RRL.Z. | 1987-02-25T13:11:56.30 | 10.0 | undecidable | manual | PG | 13 | 0.4995 | 0.11 | 2 | |
--.STV.Z. | 1987-02-25T13:11:56.30 | 10.0 | undecidable | manual | PG | 108 | 0.5328 | -0.36 | 1.3 | |
--.DA9.Z. | 1987-02-25T13:11:56.00 | 10.0 | undecidable | manual | PG | 79 | 0.444 | 0.86 | 0.2 | |
--.SOO.Z. | 1987-02-25T13:11:53.60 | 10.0 | undecidable | manual | PG | 76 | 0.3552 | 0.32 | 1.6 |