A magnitude ML 0.8 earthquake occured in region: 4 km E Casteldelfino (CN), on
and geographic coordinates (lat, lon) 44.6060, 7.1210 at 14 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 |
---|---|---|---|---|
Casteldelfino | CN | 4 | 157 | 157 |
Sampeyre | CN | 6 | 1022 | 1179 |
Pontechianale | CN | 8 | 179 | 1358 |
Elva | CN | 8 | 97 | 1455 |
Bellino | CN | 9 | 109 | 1564 |
Oncino | CN | 10 | 76 | 1640 |
Crissolo | CN | 11 | 168 | 1808 |
Stroppo | CN | 11 | 103 | 1911 |
Ostana | CN | 11 | 83 | 1994 |
Macra | CN | 13 | 59 | 2053 |
Frassino | CN | 13 | 265 | 2318 |
Celle di Macra | CN | 14 | 100 | 2418 |
Prazzo | CN | 15 | 170 | 2588 |
Paesana | CN | 15 | 2784 | 5372 |
Sanfront | CN | 17 | 2395 | 7767 |
Marmora | CN | 17 | 68 | 7835 |
Melle | CN | 17 | 292 | 8127 |
Canosio | CN | 17 | 80 | 8207 |
San Damiano Macra | CN | 17 | 430 | 8637 |
Acceglio | CN | 18 | 162 | 8799 |
Gambasca | CN | 18 | 371 | 9170 |
Rifreddo | CN | 19 | 1078 | 10248 |
Valmala | CN | 19 | 52 | 10300 |
Brossasco | CN | 20 | 1084 | 11384 |
Cartignano | CN | 20 | 190 | 11574 |
Martiniana Po | CN | 20 | 734 | 12308 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-10-20 08:52:09 |
44.6058 | 7.1207 | 14 | 2021-10-20 08:56:41 |
Sala Sismica INGV-Roma | 96795701 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 08:52:09 ± 0.28 |
Latitude | 44.6058 ± 0.0144 |
Longitude | 7.1207 ± 0.0227 |
Depth (km) | 14 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96795701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1623 |
Semi-minor axis of confidence ellipse (meter) | 1549 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 215 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.09893 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55128 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 96795701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 08:56:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.STV.HHZ. | 2021-10-20T08:52:22.98 | 0.6 | undecidable | manual | S | 158 | 43.2234 | 96 | -0.45 | 45 |
GU.RRL.HHZ. | 2021-10-20T08:52:22.87 | 0.6 | undecidable | manual | S | 323 | 43.623 | 96 | -0.66 | 42 |
GU.RSP.HNZ. | 2021-10-20T08:52:20.62 | 0.1 | undecidable | manual | P | 11 | 61.1943 | 94 | 0.35 | 90 |
GU.BHB.HHZ. | 2021-10-20T08:52:18.83 | 0.6 | undecidable | manual | S | 24 | 27.8499 | 101 | -0.53 | 44 |
GU.RRL.HHZ. | 2021-10-20T08:52:17.78 | 0.6 | undecidable | manual | P | 323 | 43.623 | 96 | 0.22 | 47 |
GU.STV.HHZ. | 2021-10-20T08:52:17.90 | 1.0 | positive | manual | P | 158 | 43.2234 | 96 | 0.4 | 23 |
GU.BHB.HHZ. | 2021-10-20T08:52:15.27 | 0.1 | negative | manual | P | 24 | 27.8499 | 101 | 0.12 | 100 |
GU.PZZ.HHZ. | 2021-10-20T08:52:14.95 | 0.6 | undecidable | manual | S | 182 | 10.9779 | 132 | -0.32 | 50 |
GU.PZZ.HHZ. | 2021-10-20T08:52:13.02 | 0.1 | negative | manual | P | 182 | 10.9779 | 132 | 0.23 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | ML:1.0 | 0.000098735275 | 0.16 | AML | other | m | 2021-10-20T08:52:15.30 |
GU.PZZ.HHN. | ML:0.9 | 0.00008344905 | 0.1216 | AML | other | m | 2021-10-20T08:52:15.10 |
GU.BHB.HNE. | ML:0.8 | 0.000035740385 | 1.1392 | AML | other | m | 2021-10-20T08:52:27.14 |
GU.BHB.HNN. | ML:0.7 | 0.00002409657 | 0.6272 | AML | other | m | 2021-10-20T08:52:25.17 |
GU.BHB.HHE. | ML:0.3 | 0.000010630648999999999 | 0.0768 | AML | other | m | 2021-10-20T08:52:19.98 |
GU.BHB.HHN. | ML:0.3 | 0.000011639666 | 0.1216 | AML | other | m | 2021-10-20T08:52:20.28 |
GU.RRL.HHE. | ML:1.0 | 0.000032390324999999996 | 2.0992 | AML | other | m | 2021-10-20T08:52:21.08 |
GU.RRL.HHN. | ML:1.1 | 0.000036087355 | 2.5792 | AML | other | m | 2021-10-20T08:52:31.96 |
GU.STV.HHE. | ML:0.2 | 0.000007209856675 | 0.1024 | AML | other | m | 2021-10-20T08:52:23.98 |
GU.STV.HHN. | ML:0.8 | 0.000018865844999999998 | 1.7792 | AML | other | m | 2021-10-20T08:52:21.29 |