A magnitude ML 0.8 earthquake occured in region: 7 km N Sellano (PG), on
and geographic coordinates (lat, lon) 42.9510, 12.9310 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 |
---|---|---|---|---|
Sellano | PG | 7 | 1079 | 1079 |
Monte Cavallo | MC | 8 | 145 | 1224 |
Preci | PG | 12 | 724 | 1948 |
Visso | MC | 13 | 1107 | 3055 |
Serravalle di Chienti | MC | 14 | 1070 | 4125 |
Pieve Torina | MC | 14 | 1458 | 5583 |
Cerreto di Spoleto | PG | 15 | 1075 | 6658 |
Fiordimonte | MC | 16 | 202 | 6860 |
Trevi | PG | 17 | 8469 | 15329 |
Ussita | MC | 17 | 444 | 15773 |
Muccia | MC | 17 | 915 | 16688 |
Pievebovigliana | MC | 18 | 866 | 17554 |
Foligno | PG | 19 | 57155 | 74709 |
Valtopina | PG | 19 | 1398 | 76107 |
Campello sul Clitunno | PG | 19 | 2442 | 78549 |
Castelsantangelo sul Nera | MC | 19 | 281 | 78830 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-09-20 11:23:32 |
42.9512 | 12.9313 | 8 | 2021-09-20 11:32:12 |
Sala Sismica INGV-Roma | 95661781 |
Field | Value |
---|---|
Time (UTC) | 2021-09-20 11:23:32 ± 0.1 |
Latitude | 42.9512 ± 0.0027 |
Longitude | 12.9313 ± 0.0037 |
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 | 95661781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 290 |
Semi-minor axis of confidence ellipse (meter) | 107 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25990 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95661781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-20 11:32:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-09-20T11:23:53.80 | 3.0 | undecidable | manual | S | 0 | ||||
IV.GAVE.EHZ. | 2021-09-20T11:23:43.04 | 0.3 | undecidable | manual | S | 186 | 28.8489 | 105 | -0.08 | 73 |
IV.CSP1.EHZ. | 2021-09-20T11:23:42.36 | 0.6 | undecidable | manual | S | 55 | 27.1506 | 106 | -0.17 | 48 |
IV.ASSB.HHE. | 2021-09-20T11:23:41.29 | 0.3 | undecidable | manual | S | 295 | 24.3534 | 107 | -0.31 | 71 |
IV.NRCA.HHZ. | 2021-09-20T11:23:40.21 | 0.6 | undecidable | manual | S | 131 | 19.7691 | 111 | 0.1 | 50 |
IV.MML1.EHZ. | 2021-09-20T11:23:39.63 | 0.3 | undecidable | manual | S | 10 | 18.2706 | 113 | 0 | 76 |
IV.ASSB.HHE. | 2021-09-20T11:23:38.10 | 0.1 | undecidable | manual | P | 295 | 24.3534 | 107 | 0.24 | 96 |
IV.GAVE.EHZ. | 2021-09-20T11:23:38.78 | 0.6 | undecidable | manual | P | 186 | 28.8489 | 105 | 0.04 | 49 |
IV.FDMO.HHZ. | 2021-09-20T11:23:38.81 | 0.6 | undecidable | manual | S | 53 | 15.7731 | 116 | -0.03 | 51 |
IV.CSP1.EHZ. | 2021-09-20T11:23:38.27 | 0.6 | positive | manual | P | 55 | 27.1506 | 106 | -0.13 | 49 |
IV.FDMO.HHZ. | 2021-09-20T11:23:36.38 | 0.3 | positive | manual | P | 53 | 15.7731 | 116 | 0.11 | 75 |
IV.MML1.EHZ. | 2021-09-20T11:23:36.73 | 0.3 | positive | manual | P | 10 | 18.2706 | 113 | 0 | 76 |
IV.CESI.HHZ. | 2021-09-20T11:23:36.17 | 0.3 | undecidable | manual | S | 340 | 6.3936 | 140 | -0.03 | 77 |
IV.NRCA.HHZ. | 2021-09-20T11:23:36.93 | 0.1 | undecidable | manual | P | 131 | 19.7691 | 111 | -0.07 | 100 |
IV.CESI.HHZ. | 2021-09-20T11:23:34.91 | 0.1 | negative | manual | P | 340 | 6.3936 | 140 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:1.0 | 0.00020850000000000003 | 0.2 | AML | other | m | 2021-09-20T11:23:36.29 |
IV.CESI.HHN. | ML:1.4 | 0.000413 | 0.3 | AML | other | m | 2021-09-20T11:23:36.36 |
IV.MML1.EHE. | ML:0.8 | 0.000055350000000000004 | 0.22 | AML | other | m | 2021-09-20T11:23:39.80 |
IV.MML1.EHN. | ML:0.8 | 0.00005295 | 0.6 | AML | other | m | 2021-09-20T11:23:39.99 |
IV.NRCA.HHN. | ML:0.9 | 0.0000592 | 0.14 | AML | other | m | 2021-09-20T11:23:40.37 |
IV.NRCA.HHE. | ML:0.9 | 0.00005795 | 1.3 | AML | other | m | 2021-09-20T11:23:41.05 |
IV.FDMO.HHE. | ML:0.5 | 0.000032017289999999995 | 0.2176 | AML | other | m | 2021-09-20T11:23:39.02 |
IV.FDMO.HHN. | ML:0.3 | 0.000020106014999999998 | 0.16 | AML | other | m | 2021-09-20T11:23:41.12 |
IV.CSP1.EHE. | ML:0.8 | 0.00003457393 | 0.16 | AML | other | m | 2021-09-20T11:23:42.84 |
IV.CSP1.EHN. | ML:0.9 | 0.000042197545 | 0.4416 | AML | other | m | 2021-09-20T11:23:44.62 |
IV.GAVE.EHE. | ML:0.9 | 0.000038982845000000005 | 0.1792 | AML | other | m | 2021-09-20T11:23:43.80 |
IV.GAVE.EHN. | ML:0.8 | 0.000031792386999999995 | 0.1984 | AML | other | m | 2021-09-20T11:23:43.88 |