A magnitude ML 0.4 earthquake occured in region: 10 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 42.9930, 12.8470 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 |
---|---|---|---|---|
Valtopina | PG | 11 | 1398 | 1398 |
Foligno | PG | 12 | 57155 | 58553 |
Serravalle di Chienti | MC | 12 | 1070 | 59623 |
Monte Cavallo | MC | 13 | 145 | 59768 |
Sellano | PG | 13 | 1079 | 60847 |
Nocera Umbra | PG | 14 | 5839 | 66686 |
Spello | PG | 14 | 8645 | 75331 |
Trevi | PG | 15 | 8469 | 83800 |
Pieve Torina | MC | 18 | 1458 | 85258 |
Muccia | MC | 19 | 915 | 86173 |
Sefro | MC | 19 | 422 | 86595 |
Montefalco | PG | 19 | 5679 | 92274 |
Campello sul Clitunno | PG | 20 | 2442 | 94716 |
Cerreto di Spoleto | PG | 20 | 1075 | 95791 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2022-08-21 20:14:24 |
42.9933 | 12.8468 | 9 | 2022-08-21 20:19:30 |
Sala Sismica INGV-Roma | 108801901 |
Field | Value |
---|---|
Time (UTC) | 2022-08-21 20:14:24 ± 0.13 |
Latitude | 42.9933 ± 0.0045 |
Longitude | 12.8468 ± 0.0025 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 108801901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 457 |
Semi-minor axis of confidence ellipse (meter) | 279 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 10 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 214 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24372 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 108801901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-08-21 20:19:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATCC.EHZ. | 2022-08-21T20:14:34.80 | 0.1 | undecidable | manual | S | 322 | 27.0507 | 109 | 0.09 | 95 |
IV.ARRO.EHZ. | 2022-08-21T20:14:34.66 | 3.0 | undecidable | manual | P | 0.06 | 0 | |||
IV.FOSV.EHZ. | 2022-08-21T20:14:33.92 | 3.0 | undecidable | manual | P | 2.43 | 0 | |||
IV.FDMO.HHZ. | 2022-08-21T20:14:32.59 | 0.1 | undecidable | manual | S | 76 | 20.0688 | 114 | 0.15 | 95 |
IV.ASSB.HHZ. | 2022-08-21T20:14:31.21 | 0.1 | undecidable | manual | S | 290 | 16.1727 | 119 | -0.03 | 99 |
IV.MML1.EHZ. | 2022-08-21T20:14:31.28 | 0.1 | undecidable | manual | S | 37 | 16.7721 | 119 | -0.12 | 97 |
IV.ATCC.EHZ. | 2022-08-21T20:14:30.45 | 0.3 | undecidable | manual | P | 322 | 27.0507 | 109 | -0.06 | 72 |
IV.FDMO.HHZ. | 2022-08-21T20:14:29.04 | 0.1 | undecidable | manual | P | 76 | 20.0688 | 114 | -0.17 | 95 |
IV.ASSB.HHZ. | 2022-08-21T20:14:28.49 | 0.1 | undecidable | manual | P | 290 | 16.1727 | 119 | -0.02 | 99 |
IV.MML1.EHZ. | 2022-08-21T20:14:28.65 | 0.1 | undecidable | manual | P | 37 | 16.7721 | 119 | 0.04 | 98 |
IV.CESI.HHZ. | 2022-08-21T20:14:28.31 | 0.1 | undecidable | manual | S | 75 | 4.8951 | 152 | -0.06 | 100 |
IV.CESI.HHZ. | 2022-08-21T20:14:26.96 | 0.1 | undecidable | manual | P | 75 | 4.8951 | 152 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:0.3 | 0.0000205 | 0.08 | AML | other | m | 2022-08-21T20:14:31.42 |
IV.ASSB.HHE. | ML:0.5 | 0.0000282 | 0.12 | AML | other | m | 2022-08-21T20:14:31.49 |