A magnitude ML 0.8 earthquake occured in region: 2 km E Visso (MC), on
and geographic coordinates (lat, lon) 42.9380, 13.1140 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 |
---|---|---|---|---|
Visso | MC | 2 | 1107 | 1107 |
Ussita | MC | 2 | 444 | 1551 |
Castelsantangelo sul Nera | MC | 6 | 281 | 1832 |
Preci | PG | 9 | 724 | 2556 |
Monte Cavallo | MC | 11 | 145 | 2701 |
Bolognola | MC | 11 | 142 | 2843 |
Fiordimonte | MC | 11 | 202 | 3045 |
Acquacanina | MC | 11 | 121 | 3166 |
Fiastra | MC | 12 | 559 | 3725 |
Pieve Torina | MC | 13 | 1458 | 5183 |
Pievebovigliana | MC | 14 | 866 | 6049 |
Sellano | PG | 16 | 1079 | 7128 |
Norcia | PG | 16 | 4957 | 12085 |
Muccia | MC | 17 | 915 | 13000 |
Montemonaco | AP | 18 | 604 | 13604 |
Montefortino | FM | 19 | 1178 | 14782 |
Sarnano | MC | 19 | 3264 | 18046 |
Serravalle di Chienti | MC | 20 | 1070 | 19116 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-10-31 14:57:36 |
42.9382 | 13.114 | 8 | 2021-10-31 15:03:43 |
Sala Sismica INGV-Roma | 97113221 |
Field | Value |
---|---|
Time (UTC) | 2021-10-31 14:57:36 ± 0.12 |
Latitude | 42.9382 ± 0.0027 |
Longitude | 13.1140 ± 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 | 97113221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 315 |
Semi-minor axis of confidence ellipse (meter) | 139 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 17 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.05306 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25721 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97113221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-31 15:03:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-10-31T14:57:47.18 | 0.6 | undecidable | manual | S | 79 | 28.5492 | 106 | 0.37 | 45 |
IV.GUMA.HHE. | 2021-10-31T14:57:45.14 | 0.6 | undecidable | manual | S | 52 | 22.6551 | 110 | 0.31 | 46 |
IV.PF6.EHN. | 2021-10-31T14:57:44.60 | 0.6 | undecidable | manual | S | 16 | 23.0547 | 109 | -0.38 | 45 |
IV.CESI.HHZ. | 2021-10-31T14:57:43.73 | 0.6 | undecidable | manual | S | 294 | 18.5703 | 113 | 0.22 | 47 |
IV.CSP1.EHZ. | 2021-10-31T14:57:43.39 | 0.6 | undecidable | manual | S | 23 | 18.5703 | 113 | -0.13 | 48 |
IV.MF5.EHZ. | 2021-10-31T14:57:42.72 | 0.6 | undecidable | manual | P | 79 | 28.5492 | 106 | 0.27 | 46 |
IV.GUMA.HHE. | 2021-10-31T14:57:41.35 | 0.1 | undecidable | manual | P | 52 | 22.6551 | 110 | 0.04 | 97 |
IV.FDMO.HHZ. | 2021-10-31T14:57:41.19 | 0.6 | undecidable | manual | S | 349 | 11.0778 | 126 | -0.07 | 49 |
IV.PF6.EHN. | 2021-10-31T14:57:41.10 | 0.3 | undecidable | manual | P | 16 | 23.0547 | 109 | -0.29 | 69 |
IT.MTCL.HGN. | 2021-10-31T14:57:41.27 | 0.6 | undecidable | manual | S | 304 | 11.1777 | 126 | 0 | 50 |
IV.NRCA.HNZ. | 2021-10-31T14:57:41.08 | 0.6 | undecidable | manual | S | 180 | 11.5773 | 125 | -0.32 | 46 |
IV.CSP1.EHZ. | 2021-10-31T14:57:40.39 | 0.1 | undecidable | manual | P | 23 | 18.5703 | 113 | -0.16 | 95 |
IV.FEMA.HNN. | 2021-10-31T14:57:40.08 | 0.6 | undecidable | manual | S | 297 | 5.8941 | 144 | 0.13 | 49 |
IV.CESI.HHZ. | 2021-10-31T14:57:40.60 | 0.3 | undecidable | manual | P | 294 | 18.5703 | 113 | 0.06 | 73 |
IV.MC2.EHZ. | 2021-10-31T14:57:40.10 | 0.3 | undecidable | manual | S | 116 | 6.7932 | 140 | -0.05 | 74 |
IT.MTCL.HGN. | 2021-10-31T14:57:39.30 | 0.3 | undecidable | manual | P | 304 | 11.1777 | 126 | 0.05 | 74 |
IV.NRCA.HNZ. | 2021-10-31T14:57:39.24 | 0.1 | undecidable | manual | P | 180 | 11.5773 | 125 | -0.09 | 98 |
IV.FDMO.HHZ. | 2021-10-31T14:57:39.25 | 0.1 | undecidable | manual | P | 349 | 11.0778 | 126 | 0 | 99 |
IV.MC2.EHZ. | 2021-10-31T14:57:38.61 | 0.1 | undecidable | manual | P | 116 | 6.7932 | 140 | 0 | 100 |
IV.FEMA.HNN. | 2021-10-31T14:57:38.66 | 0.1 | undecidable | manual | P | 297 | 5.8941 | 144 | 0.17 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.6 | 0.000054600000000000006 | 0.2 | AML | other | m | 2021-10-31T14:57:41.44 |
IV.FDMO.HHE. | ML:0.6 | 0.00005655 | 1.24 | AML | other | m | 2021-10-31T14:57:41.67 |
IV.ASSB.HHN. | ML:1.0 | 0.0000343 | 0.06 | AML | other | m | 2021-10-31T14:57:46.05 |
IV.ASSB.HHE. | ML:1.1 | 0.0000511 | 0.32 | AML | other | m | 2021-10-31T14:57:46.24 |