A magnitude Md 2.3 earthquake occured in region: 3 km SE Masone (GE), on
and geographic coordinates (lat, lon) 44.4820, 8.7260 at 4 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 |
---|---|---|---|---|
Masone | GE | 3 | 3679 | 3679 |
Mele | GE | 4 | 2725 | 6404 |
Campo Ligure | GE | 7 | 2955 | 9359 |
Arenzano | GE | 9 | 11519 | 20878 |
Tiglieto | GE | 10 | 546 | 21424 |
Rossiglione | GE | 10 | 2779 | 24203 |
Urbe | SV | 11 | 700 | 24903 |
Cogoleto | GE | 12 | 9172 | 34075 |
Campomorone | GE | 14 | 6996 | 41071 |
Ceranesi | GE | 14 | 3875 | 44946 |
Mignanego | GE | 16 | 3675 | 48621 |
Belforte Monferrato | AL | 17 | 515 | 49136 |
Serra Riccò | GE | 17 | 7885 | 57021 |
Lerma | AL | 17 | 869 | 57890 |
Casaleggio Boiro | AL | 17 | 372 | 58262 |
Fraconalto | AL | 17 | 336 | 58598 |
Mornese | AL | 18 | 737 | 59335 |
Varazze | SV | 18 | 13251 | 72586 |
Voltaggio | AL | 18 | 738 | 73324 |
Tagliolo Monferrato | AL | 18 | 1581 | 74905 |
Genova | GE | 18 | 586655 | 661560 |
Molare | AL | 18 | 2181 | 663741 |
Ovada | AL | 19 | 11477 | 675218 |
Sassello | SV | 19 | 1777 | 676995 |
Cassinelle | AL | 19 | 914 | 677909 |
Sant'Olcese | GE | 19 | 5906 | 683815 |
Bosio | AL | 19 | 1227 | 685042 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
M 2.4 |
1986-04-05 04:04:15 |
44.482 | 8.726 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 25409 |
Field | Value |
---|---|
Time (UTC) | 1986-04-05 04:04:15 ± 0.174 |
Latitude | 44.4820 ± 0.0129 |
Longitude | 8.7260 ± 0.0106 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 25409 |
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) | 1664.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01133 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 25409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:27:12 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 25409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:48:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ORX.Z. | 1986-04-05T04:04:58.50 | 10.0 | undecidable | manual | SN | 335 | 1.2543 | 0.38 | 0.3 | |
--.SOO.Z. | 1986-04-05T04:04:55.70 | 10.0 | undecidable | manual | SN | 271 | 1.1544 | 0.1 | 0.6 | |
--.STV.Z. | 1986-04-05T04:04:51.00 | 10.0 | undecidable | manual | SG | 257 | 1.0101 | -0.83 | 0 | |
--.ENR.Z. | 1986-04-05T04:04:49.50 | 10.0 | undecidable | manual | SG | 255 | 0.9657 | -0.52 | 0.2 | |
--.IMP.Z. | 1986-04-05T04:04:45.50 | 10.0 | undecidable | manual | SG | 226 | 0.8214 | 0.16 | 0.7 | |
--.ORX.Z. | 1986-04-05T04:04:40.20 | 10.0 | undecidable | manual | PN | 335 | 1.2543 | -0.05 | 1.6 | |
--.ROB.Z. | 1986-04-05T04:04:39.00 | 10.0 | undecidable | manual | SG | 253 | 0.6327 | -0.36 | 0.4 | |
--.SOO.Z. | 1986-04-05T04:04:38.60 | 10.0 | undecidable | manual | PN | 271 | 1.1544 | -0.2 | 1.4 | |
--.DA9.Z. | 1986-04-05T04:04:37.50 | 10.0 | undecidable | manual | PG | 271 | 1.0545 | 0.29 | 1.2 | |
--.STV.Z. | 1986-04-05T04:04:36.60 | 10.0 | undecidable | manual | PG | 257 | 1.0101 | -0.02 | 1.8 | |
--.ENR.Z. | 1986-04-05T04:04:35.60 | 10.0 | undecidable | manual | PG | 255 | 0.9657 | 0.03 | 1.9 | |
--.IMP.Z. | 1986-04-05T04:04:33.60 | 10.0 | undecidable | manual | PG | 226 | 0.8214 | 0.73 | 0.2 | |
--.FIN.Z. | 1986-04-05T04:04:33.90 | 10.0 | undecidable | manual | SG | 233 | 0.4551 | 0.31 | 0.5 | |
--.ROB.Z. | 1986-04-05T04:04:29.30 | 10.0 | undecidable | manual | PG | 253 | 0.6327 | -0.12 | 1.9 | |
--.FIN.Z. | 1986-04-05T04:04:26.00 | 10.0 | undecidable | manual | PG | 233 | 0.4551 | -0.09 | 1.9 | |
--.GEN.Z. | 1986-04-05T04:04:22.10 | 10.0 | undecidable | manual | SG | 112 | 0.1665 | -0.2 | 0.6 | |
--.GEN.Z. | 1986-04-05T04:04:19.50 | 10.0 | undecidable | manual | PG | 112 | 0.1665 | -0.07 | 1.9 |