A magnitude ML 0.9 earthquake occured in region: 3 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0390, 12.7700 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 |
---|---|---|---|---|
Valtopina | PG | 3 | 1398 | 1398 |
Nocera Umbra | PG | 8 | 5839 | 7237 |
Spello | PG | 9 | 8645 | 15882 |
Foligno | PG | 11 | 57155 | 73037 |
Assisi | PG | 13 | 28299 | 101336 |
Serravalle di Chienti | MC | 15 | 1070 | 102406 |
Cannara | PG | 16 | 4305 | 106711 |
Bevagna | PG | 17 | 5081 | 111792 |
Trevi | PG | 18 | 8469 | 120261 |
Bastia Umbra | PG | 18 | 21874 | 142135 |
Montefalco | PG | 19 | 5679 | 147814 |
Sefro | MC | 19 | 422 | 148236 |
Valfabbrica | PG | 19 | 3389 | 151625 |
Monte Cavallo | MC | 20 | 145 | 151770 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-24 04:45:04 |
43.0388 | 12.7697 | 10 | 2021-10-24 05:12:02 |
Sala Sismica INGV-Roma | 96929231 |
Field | Value |
---|---|
Time (UTC) | 2021-10-24 04:45:04 ± 0.09 |
Latitude | 43.0388 ± 0.0054 |
Longitude | 12.7697 ± 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 | 96929231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 644 |
Semi-minor axis of confidence ellipse (meter) | 215 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 197 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 164 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.08094 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32196 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96929231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-24 05:12:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATCC.EHZ. | 2021-10-24T04:45:12.11 | 0.3 | undecidable | manual | S | 327 | 19.3695 | 117 | 0.1 | 73 |
IV.MML1.EHZ. | 2021-10-24T04:45:11.61 | 0.1 | undecidable | manual | S | 63 | 18.3705 | 119 | -0.09 | 98 |
IV.CSP1.EHZ. | 2021-10-24T04:45:11.77 | 0.1 | undecidable | manual | P | 80 | 35.742 | 50 | 0.25 | 92 |
IV.SNTG.HHZ. | 2021-10-24T04:45:10.16 | 0.1 | undecidable | manual | P | 30 | 27.6501 | 50 | -0.12 | 96 |
IV.CESI.HHZ. | 2021-10-24T04:45:09.79 | 0.1 | undecidable | manual | S | 109 | 11.5773 | 131 | 0.03 | 100 |
IV.FDMO.HHZ. | 2021-10-24T04:45:09.75 | 0.1 | undecidable | manual | P | 90 | 25.752 | 50 | -0.23 | 94 |
IV.MML1.EHZ. | 2021-10-24T04:45:08.68 | 0.1 | undecidable | manual | P | 63 | 18.3705 | 119 | 0.04 | 99 |
IV.ASSB.HHZ. | 2021-10-24T04:45:08.90 | 0.1 | undecidable | manual | S | 273 | 8.9799 | 138 | -0.22 | 97 |
IV.ATCC.EHZ. | 2021-10-24T04:45:08.85 | 0.1 | undecidable | manual | P | 327 | 19.3695 | 117 | 0.03 | 99 |
IV.CESI.HHZ. | 2021-10-24T04:45:07.56 | 0.1 | undecidable | manual | P | 109 | 11.5773 | 131 | 0.05 | 100 |
IV.ASSB.HHZ. | 2021-10-24T04:45:07.33 | 0.1 | undecidable | manual | P | 273 | 8.9799 | 138 | 0.18 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:1.2 | 0.00021100000000000003 | 0.48 | AML | other | m | 2021-10-24T04:45:09.08 |
IV.ASSB.HHE. | ML:1.2 | 0.0001915 | 0.3 | AML | other | m | 2021-10-24T04:45:09.28 |
IV.MML1.EHN. | ML:0.6 | 0.00003545 | 0.72 | AML | other | m | 2021-10-24T04:45:12.41 |
IV.MML1.EHE. | ML:0.7 | 0.0000395 | 0.48 | AML | other | m | 2021-10-24T04:45:12.46 |