A magnitude ML 1.0 earthquake occured in region: 5 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7760, 12.7620 at 10 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 |
---|---|---|---|---|
Spoleto | PG | 5 | 38218 | 38218 |
Campello sul Clitunno | PG | 5 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 8 | 564 | 41224 |
Vallo di Nera | PG | 8 | 364 | 41588 |
Scheggino | PG | 9 | 461 | 42049 |
Castel Ritaldi | PG | 9 | 3278 | 45327 |
Trevi | PG | 11 | 8469 | 53796 |
Cerreto di Spoleto | PG | 14 | 1075 | 54871 |
Poggiodomo | PG | 16 | 117 | 54988 |
Montefalco | PG | 16 | 5679 | 60667 |
Giano dell'Umbria | PG | 16 | 3846 | 64513 |
Ferentillo | TR | 17 | 1913 | 66426 |
Sellano | PG | 19 | 1079 | 67505 |
Massa Martana | PG | 19 | 3770 | 71275 |
Montefranco | TR | 20 | 1276 | 72551 |
Acquasparta | TR | 20 | 4778 | 77329 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-22 01:19:38 |
42.7762 | 12.7618 | 10 | 2021-09-22 01:32:36 |
Sala Sismica INGV-Roma | 95718511 |
Field | Value |
---|---|
Time (UTC) | 2021-09-22 01:19:38 ± 0.05 |
Latitude | 42.7762 ± 0.0036 |
Longitude | 12.7618 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95718511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 520 |
Semi-minor axis of confidence ellipse (meter) | 259 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 220 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 63 |
Number of associated phases, regardless of their use for origin computation | 16 |
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) | 0.27699 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95718511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-22 01:32:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-09-22T01:19:54.35 | 3.0 | undecidable | manual | Sn | -1.96 | 0 | |||
IV.TERO.HNZ. | 2021-09-22T01:19:53.05 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.ASSB.HHZ. | 2021-09-22T01:19:49.37 | 0.3 | undecidable | manual | S | 344 | 30.747 | 50 | 0.13 | 74 |
IV.CESI.HHZ. | 2021-09-22T01:19:48.30 | 0.3 | undecidable | manual | S | 25 | 27.8499 | 50 | -0.19 | 74 |
IV.LNSS.HHE. | 2021-09-22T01:19:48.75 | 0.3 | undecidable | manual | S | 130 | 29.748 | 50 | -0.23 | 73 |
IV.NRCA.HHZ. | 2021-09-22T01:19:48.78 | 0.3 | undecidable | manual | S | 77 | 29.3484 | 50 | -0.1 | 75 |
IV.ASSB.HHZ. | 2021-09-22T01:19:44.70 | 0.1 | positive | manual | P | 344 | 30.747 | 50 | 0.07 | 100 |
IV.CESI.HHZ. | 2021-09-22T01:19:44.30 | 0.6 | undecidable | manual | P | 25 | 27.8499 | 50 | 0.1 | 50 |
IV.LNSS.HHE. | 2021-09-22T01:19:44.73 | 0.3 | undecidable | manual | P | 130 | 29.748 | 50 | 0.25 | 72 |
IV.GAVE.EHZ. | 2021-09-22T01:19:44.31 | 0.3 | undecidable | manual | S | 131 | 14.2746 | 125 | -0.06 | 77 |
IV.NRCA.HHZ. | 2021-09-22T01:19:44.50 | 0.6 | undecidable | manual | P | 77 | 29.3484 | 50 | 0.08 | 50 |
IV.MOMA.HHZ. | 2021-09-22T01:19:44.70 | 0.3 | undecidable | manual | S | 281 | 15.873 | 122 | -0.16 | 76 |
IV.CESX.HHE. | 2021-09-22T01:19:43.31 | 0.3 | undecidable | manual | P | 218 | 23.4543 | 113 | -0.13 | 75 |
IV.ARRO.EHE. | 2021-09-22T01:19:43.32 | 0.3 | undecidable | manual | P | 179 | 21.867 | 115 | 0.17 | 75 |
IV.MOMA.HHZ. | 2021-09-22T01:19:42.09 | 0.3 | positive | manual | P | 281 | 15.873 | 122 | -0.01 | 78 |
IV.GAVE.EHZ. | 2021-09-22T01:19:41.94 | 0.3 | undecidable | manual | P | 131 | 14.2746 | 125 | 0.12 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:0.8 | 0.000060049999999999996 | 0.26 | AML | other | m | 2021-09-22T01:19:45.14 |
IV.GAVE.EHN. | ML:1.0 | 0.00010109999999999999 | 1.52 | AML | other | m | 2021-09-22T01:19:45.10 |
IV.MOMA.HHE. | ML:0.9 | 0.00007615 | 0.22 | AML | other | m | 2021-09-22T01:19:45.24 |
IV.GAVE.EHE. | ML:1.1 | 0.0001255 | 0.14 | AML | other | m | 2021-09-22T01:19:45.30 |