A magnitude ML 0.6 earthquake occured in region: 2 km NW Visso (MC), on
and geographic coordinates (lat, lon) 42.9520, 13.0800 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 | 2 | 1107 | 1107 |
Ussita | MC | 5 | 444 | 1551 |
Monte Cavallo | MC | 8 | 145 | 1696 |
Castelsantangelo sul Nera | MC | 9 | 281 | 1977 |
Preci | PG | 9 | 724 | 2701 |
Fiordimonte | MC | 10 | 202 | 2903 |
Pieve Torina | MC | 11 | 1458 | 4361 |
Fiastra | MC | 11 | 559 | 4920 |
Acquacanina | MC | 12 | 121 | 5041 |
Pievebovigliana | MC | 12 | 866 | 5907 |
Bolognola | MC | 13 | 142 | 6049 |
Sellano | PG | 14 | 1079 | 7128 |
Muccia | MC | 15 | 915 | 8043 |
Serravalle di Chienti | MC | 17 | 1070 | 9113 |
Norcia | PG | 18 | 4957 | 14070 |
Cerreto di Spoleto | PG | 20 | 1075 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2023-04-20 16:39:19 |
42.9517 | 13.0798 | 10 | 2023-04-20 16:56:32 |
Sala Sismica INGV-Roma | 116555801 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 16:39:19 ± 0.15 |
Latitude | 42.9517 ± 0.0027 |
Longitude | 13.0798 ± 0.0049 |
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 | 116555801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 420 |
Semi-minor axis of confidence ellipse (meter) | 70 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 229 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18796 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116555801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 16:56:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHZ. | 2023-04-20T16:39:29.98 | 3.0 | negative | manual | P | 2.26 | 0 | |||
IV.MMO1.EHZ. | 2023-04-20T16:39:27.12 | 0.6 | undecidable | manual | S | 106 | 20.868 | 115 | -0.12 | 49 |
IV.MML1.EHZ. | 2023-04-20T16:39:26.72 | 0.6 | undecidable | manual | S | 334 | 19.9689 | 116 | -0.24 | 48 |
IV.CESI.HHZ. | 2023-04-20T16:39:25.49 | 0.6 | undecidable | manual | S | 293 | 15.3735 | 122 | -0.08 | 50 |
IV.FDMO.HHZ. | 2023-04-20T16:39:24.06 | 0.6 | undecidable | manual | S | 4 | 9.4794 | 136 | 0.11 | 50 |
IV.NRCA.HHZ. | 2023-04-20T16:39:24.92 | 0.6 | undecidable | manual | S | 168 | 13.3755 | 126 | -0.07 | 50 |
IV.MMO1.EHZ. | 2023-04-20T16:39:23.83 | 0.3 | undecidable | manual | P | 106 | 20.868 | 115 | -0.04 | 74 |
IV.MML1.EHZ. | 2023-04-20T16:39:23.67 | 1.0 | undecidable | manual | P | 334 | 19.9689 | 116 | -0.03 | 25 |
IV.FDMO.HHZ. | 2023-04-20T16:39:22.14 | 0.3 | undecidable | manual | P | 4 | 9.4794 | 136 | 0.17 | 74 |
IV.NRCA.HHZ. | 2023-04-20T16:39:22.64 | 0.1 | undecidable | manual | P | 168 | 13.3755 | 126 | 0.07 | 100 |
IV.CESI.HHZ. | 2023-04-20T16:39:22.94 | 0.1 | positive | manual | P | 293 | 15.3735 | 122 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.6 | 0.000062 | 0.18 | AML | other | m | 2023-04-20T16:39:24.29 |
IV.FDMO.HHN. | ML:0.4 | 0.00003419999999999999 | 1.08 | AML | other | m | 2023-04-20T16:39:24.12 |
IV.NRCA.HHN. | ML:0.4 | 0.0000314 | 1.86 | AML | other | m | 2023-04-20T16:39:24.97 |
IV.NRCA.HHE. | ML:0.6 | 0.000040300000000000004 | 0.16 | AML | other | m | 2023-04-20T16:39:25.11 |
IV.CESI.HHE. | ML:0.7 | 0.000044899999999999994 | 0.2 | AML | other | m | 2023-04-20T16:39:25.91 |
IV.CESI.HHN. | ML:0.9 | 0.00007185 | 0.22 | AML | other | m | 2023-04-20T16:39:25.81 |