A magnitude ML 0.5 earthquake occured in region: 4 km SW Frontone (PU), on
and geographic coordinates (lat, lon) 43.4830, 12.7090 at 15 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 |
---|---|---|---|---|
Frontone | PU | 4 | 1300 | 1300 |
Serra Sant'Abbondio | PU | 5 | 1027 | 2327 |
Cantiano | PU | 7 | 2245 | 4572 |
Cagli | PU | 9 | 8731 | 13303 |
Scheggia e Pascelupo | PG | 9 | 1393 | 14696 |
Sassoferrato | AN | 13 | 7285 | 21981 |
Costacciaro | PG | 14 | 1216 | 23197 |
Pergola | PU | 14 | 6333 | 29530 |
Acqualagna | PU | 15 | 4393 | 33923 |
Sigillo | PG | 17 | 2404 | 36327 |
Gubbio | PG | 18 | 32216 | 68543 |
Arcevia | AN | 19 | 4612 | 73155 |
Genga | AN | 19 | 1797 | 74952 |
Piobbico | PU | 20 | 2029 | 76981 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-08-21 13:52:35 |
43.4833 | 12.7087 | 15 | 2020-08-21 13:57:44 |
Sala Sismica INGV-Roma | 82206121 |
Field | Value |
---|---|
Time (UTC) | 2020-08-21 13:52:35 ± 0.08 |
Latitude | 43.4833 ± 0.0027 |
Longitude | 12.7087 ± 0.0037 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82206121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 297 |
Semi-minor axis of confidence ellipse (meter) | 89 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.19245 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 82206121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-21 13:57:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FOSV.EHZ. | 2020-08-21T13:52:43.46 | 0.6 | undecidable | manual | S | 169 | 21.3675 | 111 | 0 | 49 |
IV.ATPC.HHE. | 2020-08-21T13:52:43.46 | 0.3 | undecidable | manual | S | 269 | 20.2686 | 113 | 0.26 | 70 |
IV.ATFO.HHZ. | 2020-08-21T13:52:42.46 | 0.6 | undecidable | manual | S | 221 | 17.0718 | 119 | 0.04 | 49 |
IV.MPAG.EHZ. | 2020-08-21T13:52:42.48 | 0.3 | undecidable | manual | S | 14 | 16.6722 | 119 | 0.14 | 73 |
IV.NARO.HHZ. | 2020-08-21T13:52:42.43 | 0.3 | undecidable | manual | S | 324 | 17.4714 | 118 | -0.1 | 72 |
IV.PIEI.HHZ. | 2020-08-21T13:52:41.72 | 0.6 | undecidable | manual | S | 293 | 15.1737 | 123 | -0.26 | 46 |
IV.ATSC.EHN. | 2020-08-21T13:52:40.37 | 0.3 | undecidable | manual | S | 195 | 6.7932 | 150 | -0.07 | 73 |
IV.FRON.EHZ. | 2020-08-21T13:52:40.10 | 0.6 | undecidable | manual | S | 20 | 4.0959 | 161 | -0.04 | 49 |
IV.SSFR.HHN. | 2020-08-21T13:52:40.48 | 0.6 | undecidable | manual | S | 131 | 7.881 | 146 | -0.12 | 48 |
IV.FOSV.EHZ. | 2020-08-21T13:52:39.85 | 0.3 | positive | manual | P | 169 | 21.3675 | 111 | -0.08 | 73 |
IV.NARO.HHZ. | 2020-08-21T13:52:39.34 | 0.3 | undecidable | manual | P | 324 | 17.4714 | 118 | -0.05 | 73 |
IV.ATPC.HHE. | 2020-08-21T13:52:39.83 | 0.1 | undecidable | manual | P | 269 | 20.2686 | 113 | 0.05 | 97 |
IV.ATFO.HHZ. | 2020-08-21T13:52:39.34 | 0.1 | positive | manual | P | 221 | 17.0718 | 119 | 0.01 | 98 |
IV.MPAG.EHZ. | 2020-08-21T13:52:39.49 | 1.0 | undecidable | manual | P | 14 | 16.6722 | 119 | 0.2 | 24 |
IV.PIEI.HHZ. | 2020-08-21T13:52:38.95 | 0.1 | negative | manual | P | 293 | 15.1737 | 123 | -0.13 | 96 |
IV.ATSC.EHN. | 2020-08-21T13:52:38.22 | 0.1 | undecidable | manual | P | 195 | 6.7932 | 150 | 0.03 | 100 |
IV.FRON.EHZ. | 2020-08-21T13:52:38.11 | 0.3 | negative | manual | P | 20 | 4.0959 | 161 | 0.09 | 75 |
IV.SSFR.HHN. | 2020-08-21T13:52:38.35 | 0.1 | undecidable | manual | P | 131 | 7.881 | 146 | 0.07 | 99 |
IV.SFI.EHZ. | 2020-08-21T13:52:34.74 | 3.0 | undecidable | manual | S | -9.71 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FRON.EHN. | ML:0.5 | 0.0000335 | 0.12 | AML | other | m | 2020-08-21T13:52:40.57 |
IV.FRON.EHE. | ML:0.2 | 0.000020549999999999998 | 0.76 | AML | other | m | 2020-08-21T13:52:41.77 |
IV.PIEI.HHE. | ML:0.8 | 0.00005285 | 1.82 | AML | other | m | 2020-08-21T13:52:41.01 |
IV.PIEI.HHN. | ML:0.6 | 0.0000296 | 0.06 | AML | other | m | 2020-08-21T13:52:41.93 |
IV.ATFO.HHN. | ML:0.9 | 0.000055849999999999996 | 0.2 | AML | other | m | 2020-08-21T13:52:42.61 |
IV.ATFO.HHE. | ML:0.8 | 0.000047850000000000004 | 1.18 | AML | other | m | 2020-08-21T13:52:42.59 |
IV.NARO.HHE. | ML:0.8 | 0.00004375 | 0.08 | AML | other | m | 2020-08-21T13:52:42.70 |
IV.MPAG.EHE. | ML:0.3 | 0.00001565 | 1.16 | AML | other | m | 2020-08-21T13:52:42.78 |
IV.NARO.HHN. | ML:0.5 | 0.00002735 | 0.64 | AML | other | m | 2020-08-21T13:52:42.49 |
IV.MPAG.EHN. | ML:0.3 | 0.000017049999999999998 | 1 | AML | other | m | 2020-08-21T13:52:42.31 |
IV.FOSV.EHN. | ML:0.2 | 0.00001230562 | 0.0832 | AML | other | m | 2020-08-21T13:52:43.52 |
IV.FOSV.EHE. | ML:0.2 | 0.000010117391499999999 | 0.0576 | AML | other | m | 2020-08-21T13:52:44.26 |