A magnitude ML 0.8 earthquake occured in region: 3 km SW Monterosso Grana (CN), on
and geographic coordinates (lat, lon) 44.3880, 7.2940 at 9 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 |
---|---|---|---|---|
Monterosso Grana | CN | 4 | 505 | 505 |
Pradleves | CN | 4 | 250 | 755 |
Castelmagno | CN | 7 | 66 | 821 |
Valgrana | CN | 7 | 786 | 1607 |
Demonte | CN | 8 | 2003 | 3610 |
Valloriate | CN | 8 | 109 | 3719 |
Montemale di Cuneo | CN | 9 | 241 | 3960 |
Rittana | CN | 9 | 109 | 4069 |
Aisone | CN | 10 | 248 | 4317 |
Cartignano | CN | 10 | 190 | 4507 |
Dronero | CN | 11 | 7035 | 11542 |
Moiola | CN | 11 | 234 | 11776 |
Roccabruna | CN | 11 | 1585 | 13361 |
Gaiola | CN | 11 | 582 | 13943 |
Caraglio | CN | 11 | 6836 | 20779 |
Bernezzo | CN | 11 | 4104 | 24883 |
San Damiano Macra | CN | 12 | 430 | 25313 |
Villar San Costanzo | CN | 13 | 1547 | 26860 |
Roccasparvera | CN | 13 | 741 | 27601 |
Vinadio | CN | 13 | 644 | 28245 |
Cervasca | CN | 14 | 5013 | 33258 |
Celle di Macra | CN | 14 | 100 | 33358 |
Vignolo | CN | 14 | 2600 | 35958 |
Valdieri | CN | 15 | 935 | 36893 |
Macra | CN | 16 | 59 | 36952 |
Borgo San Dalmazzo | CN | 17 | 12468 | 49420 |
Roccavione | CN | 17 | 2761 | 52181 |
Marmora | CN | 18 | 68 | 52249 |
Sambuco | CN | 18 | 92 | 52341 |
Valmala | CN | 18 | 52 | 52393 |
Entracque | CN | 18 | 774 | 53167 |
Roaschia | CN | 18 | 107 | 53274 |
Canosio | CN | 19 | 80 | 53354 |
Stroppo | CN | 19 | 103 | 53457 |
Melle | CN | 20 | 292 | 53749 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-08-10 23:31:51 |
44.3877 | 7.2943 | 9 | 2021-08-10 23:38:44 |
Sala Sismica INGV-Roma | 93942521 |
Field | Value |
---|---|
Time (UTC) | 2021-08-10 23:31:51 ± 0.15 |
Latitude | 44.3877 ± 0.0171 |
Longitude | 7.2943 ± 0.0340 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93942521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3214 |
Semi-minor axis of confidence ellipse (meter) | 634 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 237 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
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) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.14389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69787 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 93942521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-10 23:38:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CANO.HHZ. | 2021-08-10T23:32:14.68 | 0.6 | undecidable | manual | S | 105 | 77.4669 | 50 | -0.02 | 48 |
GU.IMI.HHZ. | 2021-08-10T23:32:12.30 | 0.6 | undecidable | manual | S | 138 | 71.2731 | 50 | -0.73 | 40 |
GU.MGRO.HHZ. | 2021-08-10T23:32:08.74 | 0.6 | undecidable | manual | S | 133 | 55.9995 | 50 | -0.22 | 48 |
GU.GBOS.HHZ. | 2021-08-10T23:32:05.58 | 0.6 | undecidable | manual | S | 110 | 46.2204 | 50 | -0.78 | 41 |
GU.IMI.HHZ. | 2021-08-10T23:32:04.46 | 0.3 | undecidable | manual | P | 138 | 71.2731 | 50 | 0.67 | 61 |
GU.CANO.HHZ. | 2021-08-10T23:32:04.97 | 0.6 | undecidable | manual | P | 105 | 77.4669 | 50 | 0.21 | 46 |
GU.MGRO.HHZ. | 2021-08-10T23:32:01.50 | 0.6 | undecidable | manual | P | 133 | 55.9995 | 50 | 0.05 | 49 |
GU.GBOS.HHZ. | 2021-08-10T23:32:00.20 | 0.1 | undecidable | manual | P | 110 | 46.2204 | 50 | 0.26 | 96 |
GU.ENR.HHZ. | 2021-08-10T23:31:58.56 | 0.3 | undecidable | manual | S | 151 | 20.1687 | 115 | -0.32 | 75 |
GU.PZZ.HHZ. | 2021-08-10T23:31:58.15 | 0.3 | undecidable | manual | S | 313 | 19.3695 | 116 | -0.49 | 72 |
GU.STV.HHZ. | 2021-08-10T23:31:57.32 | 0.3 | undecidable | manual | S | 171 | 15.9729 | 120 | -0.3 | 75 |
GU.STV.HHZ. | 2021-08-10T23:31:55.25 | 0.1 | undecidable | manual | P | 171 | 15.9729 | 120 | 0.35 | 99 |
GU.PZZ.HHZ. | 2021-08-10T23:31:55.60 | 0.3 | positive | manual | P | 313 | 19.3695 | 116 | 0.12 | 78 |
GU.ENR.HHZ. | 2021-08-10T23:31:55.92 | 0.1 | undecidable | manual | P | 151 | 20.1687 | 115 | 0.29 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.STV.HHE. | ML:0.8 | 0.00006620000000000001 | 0.16 | AML | other | m | 2021-08-10T23:31:57.42 |
GU.STV.HHN. | ML:0.6 | 0.0000413 | 0.08 | AML | other | m | 2021-08-10T23:31:57.47 |
GU.PZZ.HHN. | ML:0.9 | 0.00005964999999999999 | 0.26 | AML | other | m | 2021-08-10T23:31:58.36 |
GU.PZZ.HHE. | ML:0.8 | 0.00004475 | 0.12 | AML | other | m | 2021-08-10T23:31:58.49 |
GU.ENR.HHN. | ML:0.9 | 0.000060549999999999995 | 0.12 | AML | other | m | 2021-08-10T23:31:58.71 |
GU.ENR.HHE. | ML:1.0 | 0.0000752 | 0.12 | AML | other | m | 2021-08-10T23:31:58.72 |
GU.GBOS.HHN. | ML:0.5 | 0.000009295 | 0.68 | AML | other | m | 2021-08-10T23:32:06.44 |
GU.GBOS.HHE. | ML:0.5 | 0.000011900000000000001 | 0.44 | AML | other | m | 2021-08-10T23:32:06.59 |