A magnitude ML 0.9 earthquake occured in region: 3 km SW Visso (MC), on
and geographic coordinates (lat, lon) 42.9100, 13.0760 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 | 3 | 1107 | 1107 |
Preci | PG | 5 | 724 | 1831 |
Ussita | MC | 7 | 444 | 2275 |
Castelsantangelo sul Nera | MC | 7 | 281 | 2556 |
Monte Cavallo | MC | 11 | 145 | 2701 |
Sellano | PG | 12 | 1079 | 3780 |
Norcia | PG | 13 | 4957 | 8737 |
Fiordimonte | MC | 14 | 202 | 8939 |
Pieve Torina | MC | 15 | 1458 | 10397 |
Bolognola | MC | 16 | 142 | 10539 |
Fiastra | MC | 16 | 559 | 11098 |
Acquacanina | MC | 16 | 121 | 11219 |
Cerreto di Spoleto | PG | 16 | 1075 | 12294 |
Pievebovigliana | MC | 17 | 866 | 13160 |
Muccia | MC | 19 | 915 | 14075 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-25 02:12:40 |
42.9097 | 13.0765 | 9 | 2023-04-25 02:19:18 |
Sala Sismica INGV-Roma | 116720791 |
Field | Value |
---|---|
Time (UTC) | 2023-04-25 02:12:40 ± 0.09 |
Latitude | 42.9097 ± 0.0036 |
Longitude | 13.0765 ± 0.0049 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116720791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 388 |
Semi-minor axis of confidence ellipse (meter) | 309 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.05576 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29138 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116720791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-25 02:19:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2023-04-25T02:12:52.68 | 0.6 | undecidable | manual | S | 74 | 32.3454 | 105 | 0.42 | 41 |
IV.MML1.EHZ. | 2023-04-25T02:12:49.29 | 0.6 | undecidable | manual | S | 339 | 24.1536 | 109 | -0.27 | 47 |
IV.MMO1.EHZ. | 2023-04-25T02:12:48.14 | 0.3 | undecidable | manual | S | 93 | 20.3685 | 113 | -0.19 | 71 |
IV.MF5.EHZ. | 2023-04-25T02:12:47.29 | 1.0 | negative | manual | P | 74 | 32.3454 | 105 | -0.08 | 24 |
IV.CESI.HHZ. | 2023-04-25T02:12:47.31 | 0.3 | undecidable | manual | S | 307 | 17.4714 | 116 | -0.12 | 73 |
IV.FDMO.HHZ. | 2023-04-25T02:12:46.32 | 0.3 | undecidable | manual | S | 4 | 14.0748 | 121 | -0.07 | 73 |
IV.GAVE.EHZ. | 2023-04-25T02:12:46.84 | 1.0 | undecidable | manual | P | 212 | 28.3494 | 107 | 0.24 | 23 |
IV.MML1.EHZ. | 2023-04-25T02:12:45.51 | 1.0 | undecidable | manual | P | 339 | 24.1536 | 109 | -0.29 | 24 |
IT.MTCL.HGE. | 2023-04-25T02:12:45.57 | 0.3 | undecidable | manual | S | 326 | 11.2776 | 127 | 0 | 75 |
IV.CESI.HHZ. | 2023-04-25T02:12:44.46 | 0.1 | positive | manual | P | 307 | 17.4714 | 116 | -0.11 | 99 |
IV.NRCA.HHZ. | 2023-04-25T02:12:44.93 | 0.3 | undecidable | manual | S | 160 | 8.9799 | 133 | -0.04 | 73 |
IV.FEMA.HNE. | 2023-04-25T02:12:44.69 | 0.3 | undecidable | manual | S | 340 | 6.1938 | 144 | 0.36 | 73 |
IV.MMO1.EHZ. | 2023-04-25T02:12:44.98 | 0.1 | undecidable | manual | P | 93 | 20.3685 | 113 | -0.12 | 97 |
IV.FDMO.HHZ. | 2023-04-25T02:12:44.06 | 0.1 | undecidable | manual | P | 4 | 14.0748 | 121 | 0.09 | 98 |
IT.MTCL.HGE. | 2023-04-25T02:12:43.57 | 0.6 | undecidable | manual | P | 326 | 11.2776 | 127 | 0.07 | 49 |
IV.NRCA.HHZ. | 2023-04-25T02:12:43.20 | 0.1 | negative | manual | P | 160 | 8.9799 | 133 | 0.05 | 100 |
IV.FEMA.HNE. | 2023-04-25T02:12:42.93 | 0.3 | undecidable | manual | P | 340 | 6.1938 | 144 | 0.14 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.000248 | 0.12 | AML | other | m | 2023-04-25T02:12:45.16 |
IV.NRCA.HHE. | ML:1.2 | 0.0002125 | 0.08 | AML | other | m | 2023-04-25T02:12:45.19 |
IV.NRCA.HNE. | ML:1.1 | 0.0002016568 | 0.0896 | AML | other | m | 2023-04-25T02:12:45.15 |
IV.NRCA.HNN. | ML:1.2 | 0.00023077325 | 0.12 | AML | other | m | 2023-04-25T02:12:45.16 |
IV.CESI.HHE. | ML:0.6 | 0.000035379825000000005 | 0.0992 | AML | other | m | 2023-04-25T02:12:47.35 |
IV.CESI.HHN. | ML:0.7 | 0.000044521605000000005 | 0.1792 | AML | other | m | 2023-04-25T02:12:47.58 |
IV.MMO1.EHE. | ML:0.7 | 0.000033777989000000004 | 0.24 | AML | other | m | 2023-04-25T02:12:48.38 |
IV.MMO1.EHN. | ML:0.7 | 0.0000349675 | 0.5008 | AML | other | m | 2023-04-25T02:12:48.65 |