A magnitude ML 1.1 earthquake occured in region: 6 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9340, 13.0100 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 |
---|---|---|---|---|
Visso | MC | 6 | 1107 | 1107 |
Preci | PG | 7 | 724 | 1831 |
Monte Cavallo | MC | 7 | 145 | 1976 |
Sellano | PG | 8 | 1079 | 3055 |
Ussita | MC | 11 | 444 | 3499 |
Castelsantangelo sul Nera | MC | 12 | 281 | 3780 |
Pieve Torina | MC | 13 | 1458 | 5238 |
Fiordimonte | MC | 13 | 202 | 5440 |
Cerreto di Spoleto | PG | 15 | 1075 | 6515 |
Pievebovigliana | MC | 16 | 866 | 7381 |
Serravalle di Chienti | MC | 16 | 1070 | 8451 |
Fiastra | MC | 17 | 559 | 9010 |
Muccia | MC | 17 | 915 | 9925 |
Norcia | PG | 17 | 4957 | 14882 |
Acquacanina | MC | 17 | 121 | 15003 |
Bolognola | MC | 19 | 142 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-12-07 22:07:59 |
42.9338 | 13.0105 | 11 | 2021-12-07 22:14:58 |
Sala Sismica INGV-Roma | 98257641 |
Field | Value |
---|---|
Time (UTC) | 2021-12-07 22:07:59 ± 0.17 |
Latitude | 42.9338 ± 0.0063 |
Longitude | 13.0105 ± 0.0135 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98257641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1123 |
Semi-minor axis of confidence ellipse (meter) | 551 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 170 |
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) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38581 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 98257641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-07 22:14:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2021-12-07T22:08:09.06 | 0.1 | undecidable | manual | S | 98 | 25.9518 | 50 | -0.41 | 89 |
IV.CSP1.EHZ. | 2021-12-07T22:08:08.96 | 0.1 | undecidable | manual | S | 42 | 23.5542 | 50 | 0.13 | 95 |
IV.MML1.EHZ. | 2021-12-07T22:08:07.46 | 0.1 | undecidable | manual | S | 351 | 20.1687 | 117 | -0.38 | 91 |
IV.SMA1.EHZ. | 2021-12-07T22:08:07.56 | 0.6 | negative | manual | P | 142 | 42.8238 | 50 | -0.48 | 43 |
IV.MMO1.EHZ. | 2021-12-07T22:08:06.11 | 1.0 | undecidable | manual | P | 98 | 25.9518 | 50 | 0.66 | 21 |
IV.FDMO.HHZ. | 2021-12-07T22:08:05.79 | 0.1 | undecidable | manual | S | 29 | 12.9759 | 129 | 0.05 | 98 |
IV.CESI.HHZ. | 2021-12-07T22:08:05.20 | 0.1 | undecidable | manual | S | 313 | 11.6772 | 132 | -0.19 | 96 |
IV.CSP1.EHZ. | 2021-12-07T22:08:05.39 | 0.3 | negative | manual | P | 42 | 23.5542 | 50 | 0.31 | 69 |
IV.NRCA.HHZ. | 2021-12-07T22:08:05.74 | 0.1 | undecidable | manual | S | 143 | 13.9749 | 127 | -0.27 | 94 |
IV.NRCA.HHZ. | 2021-12-07T22:08:04.01 | 0.1 | positive | manual | P | 143 | 13.9749 | 127 | 0.55 | 87 |
IV.MML1.EHZ. | 2021-12-07T22:08:04.61 | 0.6 | negative | manual | P | 351 | 20.1687 | 117 | 0.1 | 48 |
IV.FDMO.HHZ. | 2021-12-07T22:08:03.65 | 0.6 | undecidable | manual | P | 29 | 12.9759 | 129 | 0.35 | 46 |
IV.CESI.HHZ. | 2021-12-07T22:08:03.26 | 0.1 | undecidable | manual | P | 313 | 11.6772 | 132 | 0.16 | 96 |
IV.MC2.EHZ. | 2021-12-07T22:08:03.61 | 3.0 | undecidable | manual | P | -0.67 | 0 | |||
IT.MTCL.HGE. | 2021-12-07T22:08:02.47 | 0.1 | undecidable | manual | P | 352 | 6.6933 | 147 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.0001037 | 0.16 | AML | other | m | 2021-12-07T22:08:05.80 |
IV.NRCA.HHE. | ML:1.1 | 0.0001285 | 0.08 | AML | other | m | 2021-12-07T22:08:05.83 |