A magnitude ML 1.7 (explosion) earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.8310, 8.1690 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: explosion.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 |
---|---|---|---|---|
Diano Marina | IM | 11 | 5977 | 5977 |
Cervo | IM | 11 | 1187 | 7164 |
San Bartolomeo al Mare | IM | 12 | 3129 | 10293 |
Imperia | IM | 13 | 42034 | 52327 |
Diano Castello | IM | 13 | 2214 | 54541 |
Diano San Pietro | IM | 14 | 1145 | 55686 |
Andora | SV | 14 | 7552 | 63238 |
Laigueglia | SV | 16 | 1810 | 65048 |
Villa Faraldi | IM | 16 | 444 | 65492 |
Diano Arentino | IM | 17 | 722 | 66214 |
San Lorenzo al Mare | IM | 17 | 1297 | 67511 |
Pontedassio | IM | 18 | 2323 | 69834 |
Civezza | IM | 18 | 609 | 70443 |
Costarainera | IM | 18 | 828 | 71271 |
Cipressa | IM | 19 | 1290 | 72561 |
Dolcedo | IM | 19 | 1415 | 73976 |
Alassio | SV | 20 | 10934 | 84910 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2018-09-19 10:20:26 |
43.8312 | 8.1692 | 0 | 2022-06-28 16:27:53 |
Bollettino Sismico Italiano INGV | 106585821 |
Bulletin Rev1000 |
ML 1.8 | 2018-09-19 10:20:28 |
43.932 | 8.1987 | 10 | 2019-06-04 09:15:56 |
Bollettino Sismico Italiano INGV | 61765321 |
Reviewed Rev100 |
ML 1.6 | 2018-09-19 10:20:26 |
43.841 | 8.1648 | 0 | 2018-09-19 10:51:35 |
Sala Sismica INGV-Roma | 61102221 |
Field | Value |
---|---|
Time (UTC) | 2018-09-19 10:20:26 ± 0.25 |
Latitude | 43.8312 ± 0.0162 |
Longitude | 8.1692 ± 0.0112 |
Depth (km) | 0 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | explosion |
Origin ID | 106585821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1870 |
Semi-minor axis of confidence ellipse (meter) | 860 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 12 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1870.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 229 |
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) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.37951 |
Epicentral distance of station farthest from the epicenter (degree) | 2.05405 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 106585821 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-06-28 16:22:45 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 61765321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-10-09 09:06:55 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 61102221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-09-19 10:51:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SATI.HHN. | 2018-09-19T10:21:03.38 | 0.6 | undecidable | manual | P | 354 | 228.0051 | 38 | 0.1 | 27 |
GU.LSD.HHN. | 2018-09-19T10:20:59.05 | 0.6 | undecidable | manual | P | 336 | 198.2571 | 38 | -0.53 | 29 |
MN.BNI.HHN. | 2018-09-19T10:20:57.74 | 0.6 | undecidable | manual | P | 319 | 179.6868 | 50 | 0.66 | 30 |
GU.SARM.EHN. | 2018-09-19T10:20:56.88 | 0.6 | undecidable | manual | P | 77 | 182.2842 | 50 | -0.61 | 31 |
MN.VLC.HHZ. | 2018-09-19T10:20:56.79 | 0.6 | undecidable | manual | P | 78 | 180.6858 | 50 | -0.44 | 33 |
GU.RSP.HNN. | 2018-09-19T10:20:54.32 | 0.3 | undecidable | manual | P | 334 | 162.7149 | 50 | -0.14 | 57 |
GU.EQUI.HHZ. | 2018-09-19T10:20:54.33 | 0.6 | undecidable | manual | P | 76 | 162.615 | 50 | -0.12 | 38 |
GU.BHB.HHN. | 2018-09-19T10:20:50.08 | 0.1 | undecidable | manual | P | 327 | 132.5673 | 50 | 0.25 | 82 |
GU.GORR.HHE. | 2018-09-19T10:20:48.75 | 0.6 | undecidable | manual | P | 46 | 124.0869 | 50 | 0.25 | 42 |
IV.MSSA.HHZ. | 2018-09-19T10:20:48.32 | 0.3 | undecidable | manual | P | 63 | 120.1908 | 50 | 0.41 | 61 |
GU.PZZ.HHN. | 2018-09-19T10:20:46.82 | 0.3 | undecidable | manual | P | 312 | 112.3986 | 50 | 0.11 | 66 |
GU.RNCA.HHE. | 2018-09-19T10:20:44.42 | 0.3 | undecidable | manual | P | 41 | 94.4388 | 50 | 0.48 | 63 |
GU.PCP.HHE. | 2018-09-19T10:20:42.11 | 0.3 | undecidable | manual | P | 21 | 84.249 | 50 | -0.27 | 67 |
GU.ENR.HHN. | 2018-09-19T10:20:40.71 | 0.3 | undecidable | manual | P | 307 | 74.4699 | 50 | -0.15 | 71 |
IV.QLNO.HHE. | 2018-09-19T10:20:37.55 | 0.3 | undecidable | manual | P | 14 | 56.499 | 90 | -0.33 | 70 |
GU.GBOS.HHE. | 2018-09-19T10:20:36.85 | 0.3 | undecidable | manual | P | 330 | 52.6029 | 90 | -0.24 | 72 |
GU.CANO.HHZ. | 2018-09-19T10:20:35.14 | 0.1 | positive | manual | P | 7 | 42.1245 | 90 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VLC.HNE. | ML:2.3 | 0.000081300595 | 0.9408 | AML | other | m | 2018-09-19T10:20:58.76 |
GU.RNCA.HHE. | ML:1.6 | 0.00004215 | 0.58 | AML | other | m | 2018-09-19T10:21:00.94 |
GU.RNCA.HHN. | ML:1.6 | 0.00004565 | 0.86 | AML | other | m | 2018-09-19T10:21:01.06 |
IV.MSSA.HHN. | ML:1.5 | 0.00002595 | 0.82 | AML | other | m | 2018-09-19T10:21:09.46 |
IV.MSSA.HHE. | ML:1.7 | 0.00003877593 | 0.7424 | AML | other | m | 2018-09-19T10:21:14.17 |
MN.VLC.HHN. | ML:1.6 | 0.00001747332 | 0.8832 | AML | other | m | 2018-09-19T10:21:17.53 |
GU.EQUI.HHN. | ML:2.0 | 0.00004041547 | 0.7552 | AML | other | m | 2018-09-19T10:21:28.47 |
GU.EQUI.HHE. | ML:1.7 | 0.000017512419500000002 | 0.9216 | AML | other | m | 2018-09-19T10:21:29.56 |
MN.VLC.HNN. | ML:2.4 | 0.00008682649 | 1.0432 | AML | other | m | 2018-09-19T10:21:31.62 |
MN.VLC.HHE. | ML:1.6 | 0.000014597981 | 0.7808 | AML | other | m | 2018-09-19T10:21:31.88 |