A magnitude ML 1.0 earthquake occured in region: 1 km E Visso (MC), on
and geographic coordinates (lat, lon) 42.9340, 13.1060 at 11 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 | 1 | 1107 | 1107 |
Ussita | MC | 3 | 444 | 1551 |
Castelsantangelo sul Nera | MC | 6 | 281 | 1832 |
Preci | PG | 8 | 724 | 2556 |
Monte Cavallo | MC | 11 | 145 | 2701 |
Fiordimonte | MC | 12 | 202 | 2903 |
Bolognola | MC | 12 | 142 | 3045 |
Acquacanina | MC | 12 | 121 | 3166 |
Fiastra | MC | 12 | 559 | 3725 |
Pieve Torina | MC | 13 | 1458 | 5183 |
Pievebovigliana | MC | 15 | 866 | 6049 |
Sellano | PG | 15 | 1079 | 7128 |
Norcia | PG | 16 | 4957 | 12085 |
Muccia | MC | 17 | 915 | 13000 |
Montemonaco | AP | 18 | 604 | 13604 |
Montefortino | FM | 19 | 1178 | 14782 |
Sarnano | MC | 20 | 3264 | 18046 |
Cerreto di Spoleto | PG | 20 | 1075 | 19121 |
Serravalle di Chienti | MC | 20 | 1070 | 20191 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-13 11:47:56 |
42.934 | 13.1065 | 11 | 2021-09-13 11:54:04 |
Sala Sismica INGV-Roma | 95383391 |
Field | Value |
---|---|
Time (UTC) | 2021-09-13 11:47:56 ± 0.13 |
Latitude | 42.9340 ± 0.0072 |
Longitude | 13.1065 ± 0.0172 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95383391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1420 |
Semi-minor axis of confidence ellipse (meter) | 790 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 272 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20505 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 95383391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-13 11:54:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TOLF.HHZ. | 2021-09-13T11:48:19.49 | 3.0 | undecidable | manual | P | 0.18 | 0 | |||
IV.VVLD.HHZ. | 2021-09-13T11:48:17.44 | 3.0 | undecidable | manual | P | -0.65 | 0 | |||
IV.CSP1.EHZ. | 2021-09-13T11:48:04.03 | 0.6 | undecidable | manual | S | 24 | 19.2696 | 90 | -0.24 | 96 |
IV.MC2.EHZ. | 2021-09-13T11:48:01.38 | 0.6 | undecidable | manual | S | 110 | 7.1928 | 135 | 0.12 | 100 |
IV.MML1.EHZ. | 2021-09-13T11:48:01.90 | 0.6 | undecidable | manual | P | 331 | 22.755 | 90 | 0.3 | 95 |
IV.NRCA.HHZ. | 2021-09-13T11:48:01.94 | 0.6 | undecidable | manual | S | 177 | 11.1777 | 113 | -0.2 | 100 |
IV.CSP1.EHZ. | 2021-09-13T11:48:00.91 | 0.6 | negative | manual | P | 24 | 19.2696 | 90 | -0.15 | 98 |
IV.MC2.EHZ. | 2021-09-13T11:47:59.49 | 0.6 | undecidable | manual | P | 110 | 7.1928 | 135 | 0.17 | 99 |
IV.NRCA.HHZ. | 2021-09-13T11:47:59.78 | 1.0 | undecidable | manual | P | 177 | 11.1777 | 113 | -0.05 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.0001365 | 0.14 | AML | other | m | 2021-09-13T11:48:02.10 |
IV.NRCA.HHN. | ML:1.0 | 0.00009975 | 0.78 | AML | other | m | 2021-09-13T11:48:02.53 |