A magnitude ML 0.8 earthquake occured in region: 4 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9210, 13.0430 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 | 4 | 1107 | 1107 |
Preci | PG | 5 | 724 | 1831 |
Ussita | MC | 8 | 444 | 2275 |
Monte Cavallo | MC | 9 | 145 | 2420 |
Castelsantangelo sul Nera | MC | 10 | 281 | 2701 |
Sellano | PG | 10 | 1079 | 3780 |
Fiordimonte | MC | 14 | 202 | 3982 |
Pieve Torina | MC | 14 | 1458 | 5440 |
Norcia | PG | 15 | 4957 | 10397 |
Cerreto di Spoleto | PG | 15 | 1075 | 11472 |
Fiastra | MC | 16 | 559 | 12031 |
Pievebovigliana | MC | 16 | 866 | 12897 |
Acquacanina | MC | 16 | 121 | 13018 |
Bolognola | MC | 17 | 142 | 13160 |
Muccia | MC | 18 | 915 | 14075 |
Serravalle di Chienti | MC | 18 | 1070 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-02-20 05:03:44 |
42.9213 | 13.0427 | 10 | 2023-02-20 05:15:20 |
Sala Sismica INGV-Roma | 114615311 |
Field | Value |
---|---|
Time (UTC) | 2023-02-20 05:03:44 ± 0.11 |
Latitude | 42.9213 ± 0.0036 |
Longitude | 13.0427 ± 0.0074 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114615311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 638 |
Semi-minor axis of confidence ellipse (meter) | 173 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 68 |
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) | 102 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.10252 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36512 |
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 | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 114615311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-20 05:15:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2023-02-20T05:03:52.38 | 0.6 | undecidable | manual | S | 96 | 23.2545 | 113 | -0.45 | 45 |
IV.MML1.EHZ. | 2023-02-20T05:03:52.39 | 0.1 | undecidable | manual | S | 345 | 22.0668 | 114 | -0.07 | 98 |
IV.MOMA.HHZ. | 2023-02-20T05:03:52.14 | 1.0 | positive | manual | P | 251 | 40.5261 | 50 | 0.27 | 23 |
IV.CSP1.EHZ. | 2023-02-20T05:03:52.62 | 0.1 | undecidable | manual | S | 35 | 23.0547 | 113 | -0.15 | 96 |
IV.MF5.EHZ. | 2023-02-20T05:03:51.07 | 0.1 | undecidable | manual | P | 78 | 34.6431 | 50 | 0.11 | 95 |
IV.SNTG.HHZ. | 2023-02-20T05:03:51.36 | 1.0 | negative | manual | P | 347 | 37.9287 | 50 | -0.1 | 24 |
IV.GUMA.HHZ. | 2023-02-20T05:03:50.01 | 0.3 | undecidable | manual | P | 56 | 28.4493 | 50 | 0 | 73 |
IV.FDMO.HHZ. | 2023-02-20T05:03:50.05 | 0.6 | undecidable | manual | S | 16 | 13.2756 | 127 | 0.23 | 48 |
IV.CSP1.EHZ. | 2023-02-20T05:03:49.09 | 0.6 | positive | manual | P | 35 | 23.0547 | 113 | 0 | 49 |
IV.NRCA.HHZ. | 2023-02-20T05:03:49.10 | 0.1 | undecidable | manual | S | 149 | 11.3775 | 131 | -0.2 | 97 |
IV.MC2.EHZ. | 2023-02-20T05:03:49.87 | 0.1 | undecidable | manual | S | 95 | 11.9769 | 130 | 0.41 | 92 |
IV.MMO1.EHZ. | 2023-02-20T05:03:48.84 | 0.1 | undecidable | manual | P | 96 | 23.2545 | 113 | -0.28 | 93 |
IV.MML1.EHZ. | 2023-02-20T05:03:48.85 | 0.1 | undecidable | manual | P | 345 | 22.0668 | 114 | -0.06 | 98 |
IV.NRCA.HHZ. | 2023-02-20T05:03:47.13 | 0.1 | negative | manual | P | 149 | 11.3775 | 131 | 0.05 | 100 |
IV.FDMO.HHZ. | 2023-02-20T05:03:47.57 | 1.0 | undecidable | manual | P | 16 | 13.2756 | 127 | 0.19 | 24 |
IV.MC2.EHZ. | 2023-02-20T05:03:47.39 | 0.1 | undecidable | manual | P | 95 | 11.9769 | 130 | 0.22 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.8 | 0.00007405000000000001 | 0.2 | AML | other | m | 2023-02-20T05:03:49.34 |
IV.FDMO.HHN. | ML:0.7 | 0.0000499 | 0.86 | AML | other | m | 2023-02-20T05:03:50.63 |
IV.FDMO.HHE. | ML:0.5 | 0.000037250000000000004 | 0.4 | AML | other | m | 2023-02-20T05:03:50.16 |
IV.NRCA.HHN. | ML:1.0 | 0.00010955 | 0.14 | AML | other | m | 2023-02-20T05:03:50.50 |
IV.MMO1.EHE. | ML:0.8 | 0.000041815 | 0.52 | AML | other | m | 2023-02-20T05:03:52.76 |
IV.MMO1.EHN. | ML:0.8 | 0.00004185 | 1.16 | AML | other | m | 2023-02-20T05:03:53.90 |