A magnitude ML 0.4 earthquake occured in region: 2 km NE Ussita (MC), on
and geographic coordinates (lat, lon) 42.9650, 13.1520 at 7 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 |
---|---|---|---|---|
Ussita | MC | 2 | 444 | 444 |
Visso | MC | 6 | 1107 | 1551 |
Bolognola | MC | 7 | 142 | 1693 |
Acquacanina | MC | 8 | 121 | 1814 |
Castelsantangelo sul Nera | MC | 8 | 281 | 2095 |
Fiastra | MC | 8 | 559 | 2654 |
Fiordimonte | MC | 10 | 202 | 2856 |
Pieve Torina | MC | 12 | 1458 | 4314 |
Pievebovigliana | MC | 12 | 866 | 5180 |
Monte Cavallo | MC | 13 | 145 | 5325 |
Preci | PG | 13 | 724 | 6049 |
Sarnano | MC | 15 | 3264 | 9313 |
Montefortino | FM | 16 | 1178 | 10491 |
Muccia | MC | 16 | 915 | 11406 |
Montemonaco | AP | 16 | 604 | 12010 |
Amandola | FM | 17 | 3629 | 15639 |
Cessapalombo | MC | 18 | 512 | 16151 |
Gualdo | MC | 19 | 815 | 16966 |
Norcia | PG | 20 | 4957 | 21923 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-08-16 20:25:38 |
42.9647 | 13.1525 | 7 | 2023-08-16 20:33:23 |
Sala Sismica INGV-Roma | 120201791 |
Field | Value |
---|---|
Time (UTC) | 2023-08-16 20:25:38 ± 0.12 |
Latitude | 42.9647 ± 0.0018 |
Longitude | 13.1525 ± 0.0037 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120201791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 309 |
Semi-minor axis of confidence ellipse (meter) | 90 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 246 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.05936 |
Epicentral distance of station farthest from the epicenter (degree) | 0.13400 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.0 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 120201791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-16 20:33:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-08-16T20:25:44.41 | 0.3 | undecidable | manual | S | 17 | 14.7741 | 115 | 0.09 | 74 |
7F.SIB1.EHZ. | 2023-08-16T20:25:43.57 | 0.3 | undecidable | manual | S | 129 | 12.2766 | 120 | 0 | 76 |
IV.NRCA.HHZ. | 2023-08-16T20:25:42.02 | 0.3 | undecidable | manual | P | 192 | 14.874 | 115 | 0.07 | 75 |
IV.FDMO.HHZ. | 2023-08-16T20:25:42.72 | 0.3 | undecidable | manual | S | 326 | 9.5793 | 126 | -0.05 | 76 |
IV.FDMO.HHZ. | 2023-08-16T20:25:41.04 | 0.3 | undecidable | manual | P | 326 | 9.5793 | 126 | 0 | 76 |
7F.SIB1.EHZ. | 2023-08-16T20:25:41.43 | 0.1 | undecidable | manual | P | 129 | 12.2766 | 120 | -0.07 | 100 |
IV.CSP1.EHZ. | 2023-08-16T20:25:41.79 | 1.0 | undecidable | manual | P | 17 | 14.7741 | 115 | -0.14 | 25 |
IV.MC2.EHZ. | 2023-08-16T20:25:40.63 | 0.3 | undecidable | manual | P | 153 | 6.5934 | 137 | 0.04 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.4 | 0.000039599999999999994 | 0.28 | AML | other | m | 2023-08-16T20:25:43.42 |
IV.FDMO.HHE. | ML:0.4 | 0.00003305 | 0.56 | AML | other | m | 2023-08-16T20:25:44.45 |
IV.NRCA.HHN. | ML:0.4 | 0.00002425 | 0.4 | AML | other | m | 2023-08-16T20:25:45.77 |
IV.NRCA.HHE. | ML:0.4 | 0.00002675 | 0.14 | AML | other | m | 2023-08-16T20:25:46.65 |