A magnitude ML 0.9 earthquake occured in region: 4 km NE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.9240, 13.1850 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 4 | 281 | 281 |
Ussita | MC | 4 | 444 | 725 |
Visso | MC | 8 | 1107 | 1832 |
Bolognola | MC | 9 | 142 | 1974 |
Acquacanina | MC | 12 | 121 | 2095 |
Montemonaco | AP | 12 | 604 | 2699 |
Preci | PG | 13 | 724 | 3423 |
Fiastra | MC | 13 | 559 | 3982 |
Montefortino | FM | 13 | 1178 | 5160 |
Fiordimonte | MC | 15 | 202 | 5362 |
Montegallo | AP | 15 | 523 | 5885 |
Amandola | FM | 15 | 3629 | 9514 |
Sarnano | MC | 16 | 3264 | 12778 |
Norcia | PG | 16 | 4957 | 17735 |
Monte Cavallo | MC | 17 | 145 | 17880 |
Pieve Torina | MC | 17 | 1458 | 19338 |
Pievebovigliana | MC | 18 | 866 | 20204 |
Comunanza | AP | 19 | 3166 | 23370 |
Arquata del Tronto | AP | 19 | 1178 | 24548 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-22 19:20:38 |
42.9238 | 13.1848 | 11 | 2021-10-22 19:24:24 |
Sala Sismica INGV-Roma | 96885511 |
Field | Value |
---|---|
Time (UTC) | 2021-10-22 19:20:38 ± 0.06 |
Latitude | 42.9238 ± 0.0036 |
Longitude | 13.1848 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96885511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 384 |
Semi-minor axis of confidence ellipse (meter) | 335 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 222 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
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) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.01259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24551 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96885511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-22 19:24:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-10-22T19:20:48.59 | 0.6 | undecidable | manual | S | 321 | 27.2505 | 50 | 0.05 | 48 |
IV.MF5.EHZ. | 2021-10-22T19:20:47.87 | 0.6 | undecidable | manual | S | 72 | 23.4543 | 50 | 0.34 | 46 |
IV.CESI.HHZ. | 2021-10-22T19:20:47.76 | 0.6 | undecidable | manual | S | 292 | 24.4533 | 50 | -0.05 | 49 |
IV.CSP1.EHZ. | 2021-10-22T19:20:46.04 | 0.3 | undecidable | manual | S | 5 | 18.6702 | 119 | -0.08 | 73 |
IV.MML1.EHZ. | 2021-10-22T19:20:44.38 | 0.6 | undecidable | manual | P | 321 | 27.2505 | 50 | 0.01 | 49 |
IV.FDMO.HHZ. | 2021-10-22T19:20:44.92 | 0.3 | undecidable | manual | S | 328 | 14.7741 | 125 | -0.05 | 74 |
IV.MMO1.EHZ. | 2021-10-22T19:20:43.88 | 0.6 | undecidable | manual | S | 103 | 11.877 | 131 | -0.28 | 47 |
IV.CSP1.EHZ. | 2021-10-22T19:20:43.00 | 0.1 | undecidable | manual | P | 5 | 18.6702 | 119 | 0.03 | 99 |
IV.NRCA.HHZ. | 2021-10-22T19:20:43.95 | 0.3 | undecidable | manual | S | 210 | 11.5773 | 132 | -0.14 | 73 |
IV.MF5.EHZ. | 2021-10-22T19:20:43.14 | 1.0 | undecidable | manual | P | 72 | 23.4543 | 50 | -0.64 | 21 |
IV.CESI.HHZ. | 2021-10-22T19:20:43.93 | 0.1 | positive | manual | P | 292 | 24.4533 | 50 | -0.02 | 98 |
IV.FDMO.HHZ. | 2021-10-22T19:20:42.35 | 1.0 | undecidable | manual | P | 328 | 14.7741 | 125 | 0.04 | 25 |
IV.MC2.EHZ. | 2021-10-22T19:20:42.74 | 0.6 | undecidable | manual | S | 166 | 1.3986 | 172 | 0.4 | 47 |
IV.MC2.EHZ. | 2021-10-22T19:20:41.16 | 1.0 | negative | manual | P | 166 | 1.3986 | 172 | 0.36 | 24 |
IV.MMO1.EHZ. | 2021-10-22T19:20:41.82 | 0.1 | undecidable | manual | P | 103 | 11.877 | 131 | -0.03 | 100 |
IV.NRCA.HHZ. | 2021-10-22T19:20:41.87 | 0.1 | negative | manual | P | 210 | 11.5773 | 132 | 0.06 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00011649999999999999 | 1.44 | AML | other | m | 2021-10-22T19:20:44.10 |
IV.NRCA.HHN. | ML:1.0 | 0.000112 | 0.12 | AML | other | m | 2021-10-22T19:20:44.76 |
IV.FDMO.HHN. | ML:0.9 | 0.0000713 | 0.22 | AML | other | m | 2021-10-22T19:20:45.29 |
IV.FDMO.HHE. | ML:0.7 | 0.0000439 | 0.26 | AML | other | m | 2021-10-22T19:20:45.33 |