A magnitude Md 2.1 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0840, 8.6240 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 2.1
M 2.5 |
1990-09-17 18:33:49 |
44.084 | 8.624 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 127389 |
Field | Value |
---|---|
Time (UTC) | 1990-09-17 18:33:49 ± 0.729 |
Latitude | 44.0840 ± 0.0321 |
Longitude | 8.6240 ± 0.0579 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 127389 |
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) | 5841.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 257 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01360 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 127389 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:58:29 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 127389 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:42:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FRF.Z. | 1990-09-17T18:34:37.00 | 10.0 | undecidable | manual | SN | 250 | 1.5096 | 0.63 | 0.3 | |
--.SBF.Z. | 1990-09-17T18:34:19.80 | 10.0 | undecidable | manual | SG | 255 | 0.8769 | -0.24 | 0.6 | |
--.FRF.Z. | 1990-09-17T18:34:16.80 | 10.0 | undecidable | manual | PN | 250 | 1.5096 | 0.11 | 1.2 | |
--.PZZ.Z. | 1990-09-17T18:34:11.76 | 10.0 | undecidable | manual | PN | 291 | 1.1544 | -0.11 | 1.4 | |
--.STV.Z. | 1990-09-17T18:34:09.00 | 10.0 | undecidable | manual | PG | 280 | 0.9324 | 0.63 | 0.9 | |
--.SBF.Z. | 1990-09-17T18:34:07.60 | 10.0 | undecidable | manual | PG | 255 | 0.8769 | 0.35 | 1.4 | |
--.ENR.Z. | 1990-09-17T18:34:06.56 | 10.0 | undecidable | manual | PG | 279 | 0.8769 | -0.54 | 1.1 | |
--.IMI.Z. | 1990-09-17T18:34:00.90 | 10.0 | undecidable | manual | PG | 251 | 0.5439 | -0.24 | 1.6 | |
--.CKI.Z. | 1990-09-17T18:34:00.00 | 10.0 | undecidable | manual | PG | 323 | 0.4107 | 1.38 | 0.1 | |
--.ROB.Z. | 1990-09-17T18:34:00.90 | 10.0 | undecidable | manual | PG | 292 | 0.5772 | -0.76 | 0.8 | |
--.PCP.Z. | 1990-09-17T18:33:58.88 | 10.0 | undecidable | manual | PG | 352 | 0.4551 | -0.55 | 1.1 | |
--.FIN.Z. | 1990-09-17T18:33:56.48 | 10.0 | undecidable | manual | PG | 292 | 0.3108 | -0.4 | 1.4 |