A magnitude ML 1.1 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.8420, 8.2260 at 8 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Cervo | IM | 13 | 1187 | 1187 |
Diano Marina | IM | 14 | 5977 | 7164 |
San Bartolomeo al Mare | IM | 14 | 3129 | 10293 |
Andora | SV | 15 | 7552 | 17845 |
Diano Castello | IM | 16 | 2214 | 20059 |
Laigueglia | SV | 16 | 1810 | 21869 |
Diano San Pietro | IM | 16 | 1145 | 23014 |
Imperia | IM | 17 | 42034 | 65048 |
Villa Faraldi | IM | 18 | 444 | 65492 |
Diano Arentino | IM | 19 | 722 | 66214 |
Alassio | SV | 19 | 10934 | 77148 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-05-21 22:41:24 |
43.8423 | 8.2263 | 8 | 2020-05-21 22:50:57 |
Sala Sismica INGV-Roma | 79422811 |
Field | Value |
---|---|
Time (UTC) | 2020-05-21 22:41:24 ± 0.25 |
Latitude | 43.8423 ± 0.0090 |
Longitude | 8.2263 ± 0.0112 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79422811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1178 |
Semi-minor axis of confidence ellipse (meter) | 529 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 319 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 245 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.76173 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79422811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-21 22:50:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2020-05-21T22:43:18.92 | 3.0 | undecidable | manual | Sg | 0.77 | 0 | |||
IV.PTRP.HHZ. | 2020-05-21T22:43:05.53 | 3.0 | undecidable | manual | Pn | -2.77 | 0 | |||
IV.COR1.EHZ. | 2020-05-21T22:43:03.68 | 3.0 | undecidable | manual | Sn | -3.81 | 0 | |||
IV.MURB.HHZ. | 2020-05-21T22:43:01.97 | 3.0 | undecidable | manual | Sg | 1.26 | 0 | |||
IV.BRMO.HHZ. | 2020-05-21T22:42:55.08 | 3.0 | undecidable | manual | Sn | 1.42 | 0 | |||
IV.SBPO.HNZ. | 2020-05-21T22:42:37.72 | 3.0 | undecidable | manual | Sg | 1.06 | 0 | |||
IV.MURB.HHZ. | 2020-05-21T22:42:24.41 | 3.0 | positive | manual | Pg | 4.85 | 0 | |||
RD.PGF.BHZ. | 2020-05-21T22:41:46.32 | 3.0 | undecidable | manual | P | -9.27 | 0 | |||
IV.RNCA.HHZ. | 2020-05-21T22:41:43.94 | 3.0 | undecidable | manual | P | 0 | ||||
FR.SAOF.HHZ.00 | 2020-05-21T22:41:42.59 | 0.3 | undecidable | manual | S | 287 | 56.0994 | 50 | -0.31 | 91 |
GU.STV.HHZ. | 2020-05-21T22:41:40.10 | 0.6 | undecidable | manual | P | 302 | 84.5487 | 50 | 0.44 | 56 |
GU.PCP.HHZ. | 2020-05-21T22:41:39.27 | 0.3 | undecidable | manual | P | 18 | 81.5517 | 50 | 0.07 | 91 |
GU.ENR.HHZ. | 2020-05-21T22:41:39.00 | 0.6 | undecidable | manual | P | 304 | 77.1672 | 50 | 0.49 | 56 |
GU.CANO.HHZ. | 2020-05-21T22:41:38.61 | 0.3 | undecidable | manual | S | 1 | 40.5261 | 50 | -0.13 | 97 |
GU.RORO.HHZ. | 2020-05-21T22:41:36.56 | 0.3 | undecidable | manual | S | 337 | 32.5452 | 104 | 0.04 | 100 |
FR.SAOF.HHZ.00 | 2020-05-21T22:41:35.50 | 0.3 | undecidable | manual | P | 287 | 56.0994 | 50 | 0.22 | 92 |
GU.GBOS.HHZ. | 2020-05-21T22:41:35.25 | 0.6 | undecidable | manual | P | 325 | 54.0015 | 50 | 0.31 | 61 |
IV.IMI.HHZ. | 2020-05-21T22:41:35.05 | 0.3 | undecidable | manual | S | 286 | 27.6501 | 107 | 0.15 | 99 |
IV.QLNO.HHZ. | 2020-05-21T22:41:34.92 | 0.3 | undecidable | manual | P | 10 | 54.3012 | 50 | -0.08 | 95 |
GU.BURY.HHZ. | 2020-05-21T22:41:34.76 | 0.3 | undecidable | manual | P | 263 | 54.0015 | 50 | -0.19 | 93 |
GU.CANO.HHZ. | 2020-05-21T22:41:32.80 | 0.3 | undecidable | manual | P | 1 | 40.5261 | 50 | -0.08 | 98 |
GU.RORO.HHZ. | 2020-05-21T22:41:31.47 | 0.3 | undecidable | manual | P | 337 | 32.5452 | 104 | -0.12 | 98 |
IV.IMI.HHZ. | 2020-05-21T22:41:30.32 | 0.3 | undecidable | manual | P | 286 | 27.6501 | 107 | -0.33 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.IMI.HHN. | ML:1.0 | 0.00005505 | 1.08 | AML | other | m | 2020-05-21T22:41:35.58 |
IV.IMI.HHE. | ML:0.9 | 0.00004125 | 0.24 | AML | other | m | 2020-05-21T22:41:35.88 |
GU.CANO.HHN. | ML:1.2 | 0.00004825 | 1.78 | AML | other | m | 2020-05-21T22:41:40.06 |
GU.CANO.HHE. | ML:1.2 | 0.0000499 | 0.32 | AML | other | m | 2020-05-21T22:41:41.11 |
IV.QLNO.HHE. | ML:1.2 | 0.0000361 | 0.14 | AML | other | m | 2020-05-21T22:41:43.60 |
IV.QLNO.HHN. | ML:1.0 | 0.000024550000000000004 | 0.42 | AML | other | m | 2020-05-21T22:41:44.71 |
GU.ENR.HHE. | ML:1.2 | 0.00002275 | 0.7 | AML | other | m | 2020-05-21T22:41:51.20 |
GU.ENR.HHN. | ML:1.3 | 0.000028049999999999997 | 0.74 | AML | other | m | 2020-05-21T22:41:52.46 |