A magnitude M 2.4 earthquake occured in region: Tirreno Settentrionale (MARE), on
and geographic coordinates (lat, lon) 42.5750, 9.6290 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.4 | 1985-02-02 09:42:17 |
42.575 | 9.629 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 949 |
Field | Value |
---|---|
Time (UTC) | 1985-02-02 09:42:17 ± 0.899 |
Latitude | 42.5750 ± 0.0562 |
Longitude | 9.6290 ± 0.0659 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 949 |
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) | 8261.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 301 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00502 |
Epicentral distance of station farthest from the epicenter (degree) | 0.05812 |
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 | 2.4 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 949 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:50:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.LPO.Z. | 1985-02-02T09:43:52.10 | 10.0 | undecidable | manual | PN | 291 | 6.4491 | 0.3 | 1.1 | |
--.CAF.Z. | 1985-02-02T09:43:46.00 | 10.0 | undecidable | manual | PN | 295 | 5.9274 | 1.27 | 0.3 | |
--.LRG.Z. | 1985-02-02T09:43:28.40 | 10.0 | undecidable | manual | SN | 290 | 2.5308 | 0.3 | 0.7 | |
--.LMR.Z. | 1985-02-02T09:43:24.60 | 10.0 | undecidable | manual | SN | 288 | 2.3976 | -0.16 | 0.8 | |
--.FRF.Z. | 1985-02-02T09:43:24.90 | 10.0 | undecidable | manual | SN | 294 | 2.3865 | 0.49 | 0.6 | |
--.FIN.Z. | 1985-02-02T09:43:14.50 | 10.0 | undecidable | manual | SN | 327 | 1.9203 | 1 | 0.3 | |
--.IMP.Z. | 1985-02-02T09:43:10.00 | 10.0 | undecidable | manual | SN | 316 | 1.8315 | -1.4 | 0.2 | |
--.LRG.Z. | 1985-02-02T09:42:58.70 | 10.0 | undecidable | manual | PN | 290 | 2.5308 | 0.61 | 1.5 | |
--.LMR.Z. | 1985-02-02T09:42:56.10 | 10.0 | undecidable | manual | PN | 288 | 2.3976 | -0.06 | 1.9 | |
--.FRF.Z. | 1985-02-02T09:42:56.20 | 10.0 | undecidable | manual | PN | 294 | 2.3865 | 0.24 | 1.9 | |
--.ROB.Z. | 1985-02-02T09:42:52.10 | 10.0 | undecidable | manual | PN | 323 | 2.1423 | -0.51 | 1.6 | |
--.FIN.Z. | 1985-02-02T09:42:50.00 | 10.0 | undecidable | manual | PN | 327 | 1.9203 | 0.34 | 1.8 | |
--.IMP.Z. | 1985-02-02T09:42:46.90 | 10.0 | undecidable | manual | PN | 316 | 1.8315 | -1.55 | 0.3 | |
--.CVF.Z. | 1985-02-02T09:42:27.60 | 10.0 | undecidable | manual | PG | 269 | 0.555 | -0.96 | 1 |