A magnitude ML 0.5 earthquake occured in region: 2 km E Visso (MC), on
and geographic coordinates (lat, lon) 42.9310, 13.1150 at 9 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 | 3 | 444 | 1551 |
Castelsantangelo sul Nera | MC | 5 | 281 | 1832 |
Preci | PG | 8 | 724 | 2556 |
Monte Cavallo | MC | 12 | 145 | 2701 |
Bolognola | MC | 12 | 142 | 2843 |
Fiordimonte | MC | 12 | 202 | 3045 |
Acquacanina | MC | 12 | 121 | 3166 |
Fiastra | MC | 12 | 559 | 3725 |
Pieve Torina | MC | 14 | 1458 | 5183 |
Pievebovigliana | MC | 15 | 866 | 6049 |
Norcia | PG | 15 | 4957 | 11006 |
Sellano | PG | 16 | 1079 | 12085 |
Montemonaco | AP | 18 | 604 | 12689 |
Muccia | MC | 18 | 915 | 13604 |
Montefortino | FM | 19 | 1178 | 14782 |
Sarnano | MC | 19 | 3264 | 18046 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-10-20 02:13:42 |
42.931 | 13.1148 | 9 | 2021-10-20 02:24:57 |
Sala Sismica INGV-Roma | 96781611 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 02:13:42 ± 0.06 |
Latitude | 42.9310 ± 0.0027 |
Longitude | 13.1148 ± 0.0037 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96781611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 275 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 288 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
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 | 22 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33275 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 96781611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 02:24:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHZ. | 2021-10-20T02:13:55.02 | 0.3 | undecidable | manual | S | 189 | 36.9297 | 50 | 0.01 | 71 |
IV.ATCC.EHZ. | 2021-10-20T02:13:53.36 | 3.0 | undecidable | manual | P | 0 | ||||
IV.GAVE.EHE. | 2021-10-20T02:13:53.74 | 0.6 | undecidable | manual | S | 214 | 32.0457 | 50 | 0.04 | 48 |
IV.GUMA.HHZ. | 2021-10-20T02:13:51.21 | 0.1 | undecidable | manual | S | 51 | 23.0547 | 112 | 0.31 | 91 |
IV.MML1.EHZ. | 2021-10-20T02:13:50.86 | 0.1 | undecidable | manual | S | 330 | 23.3544 | 111 | -0.12 | 95 |
IV.LNSS.HHZ. | 2021-10-20T02:13:49.46 | 0.1 | undecidable | manual | P | 189 | 36.9297 | 50 | -0.17 | 92 |
IV.CSP1.EHZ. | 2021-10-20T02:13:49.46 | 0.1 | undecidable | manual | S | 22 | 19.2696 | 115 | -0.23 | 94 |
IV.CESI.HHZ. | 2021-10-20T02:13:49.42 | 0.3 | undecidable | manual | S | 296 | 18.9699 | 116 | -0.16 | 71 |
IV.MMO1.EHZ. | 2021-10-20T02:13:48.98 | 0.1 | undecidable | manual | S | 101 | 17.5713 | 118 | -0.18 | 95 |
IV.MF5.EHZ. | 2021-10-20T02:13:48.54 | 3.0 | undecidable | manual | P | 0.57 | 0 | |||
IV.GAVE.EHE. | 2021-10-20T02:13:48.80 | 0.1 | undecidable | manual | P | 214 | 32.0457 | 50 | -0.08 | 95 |
IV.CESI.HHZ. | 2021-10-20T02:13:47.07 | 0.1 | undecidable | manual | P | 296 | 18.9699 | 116 | 0.58 | 86 |
IV.MML1.EHZ. | 2021-10-20T02:13:47.27 | 0.1 | undecidable | manual | P | 330 | 23.3544 | 111 | -0.03 | 97 |
IV.GUMA.HHZ. | 2021-10-20T02:13:47.37 | 0.1 | undecidable | manual | P | 51 | 23.0547 | 112 | 0.11 | 95 |
IV.FDMO.HHZ. | 2021-10-20T02:13:47.41 | 0.1 | undecidable | manual | S | 349 | 11.877 | 128 | -0.09 | 98 |
IV.NRCA.HHZ. | 2021-10-20T02:13:47.06 | 0.1 | undecidable | manual | S | 180 | 10.7781 | 130 | -0.14 | 97 |
IV.MC2.EHZ. | 2021-10-20T02:13:46.14 | 0.1 | undecidable | manual | S | 110 | 6.3936 | 145 | -0.02 | 100 |
IV.MMO1.EHZ. | 2021-10-20T02:13:46.25 | 0.1 | undecidable | manual | P | 101 | 17.5713 | 118 | 0 | 98 |
IV.CSP1.EHZ. | 2021-10-20T02:13:46.50 | 0.1 | undecidable | manual | P | 22 | 19.2696 | 115 | -0.06 | 97 |
IV.FDMO.HHZ. | 2021-10-20T02:13:45.26 | 0.1 | undecidable | manual | P | 349 | 11.877 | 128 | -0.03 | 99 |
IV.NRCA.HHZ. | 2021-10-20T02:13:45.31 | 0.1 | undecidable | manual | P | 180 | 10.7781 | 130 | 0.19 | 96 |
IV.MC2.EHZ. | 2021-10-20T02:13:44.63 | 0.1 | undecidable | manual | P | 110 | 6.3936 | 145 | 0.11 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00017099999999999998 | 0.14 | AML | other | m | 2021-10-20T02:13:47.28 |
IV.FDMO.HHN. | ML:0.3 | 0.000026246645 | 0.1408 | AML | other | m | 2021-10-20T02:13:47.40 |
IV.FDMO.HHE. | ML:0.3 | 0.000025253770000000003 | 0.1392 | AML | other | m | 2021-10-20T02:13:47.50 |
IV.NRCA.HHE. | ML:1.0 | 0.000114 | 0.14 | AML | other | m | 2021-10-20T02:13:47.58 |
IV.CSP1.EHE. | ML:0.6 | 0.000035487730000000005 | 0.1984 | AML | other | m | 2021-10-20T02:13:50.24 |
IV.CSP1.EHN. | ML:0.6 | 0.00003254577 | 0.1216 | AML | other | m | 2021-10-20T02:13:50.52 |
IV.NRCA.HNE. | ML:0.9 | 0.000111039395 | 0.0896 | AML | other | m | 2021-10-20T02:13:47.65 |
IV.NRCA.HNN. | ML:1.2 | 0.00017993965 | 0.12 | AML | other | m | 2021-10-20T02:13:47.23 |
IV.CESI.HHE. | ML:0.1 | 0.000009515476 | 0.1792 | AML | other | m | 2021-10-20T02:13:49.88 |
IV.CESI.HHN. | ML:0.4 | 0.00002172419 | 0.2 | AML | other | m | 2021-10-20T02:13:50.03 |
IV.MML1.EHE. | ML:0.2 | 0.000009342845 | 0.1408 | AML | other | m | 2021-10-20T02:13:52.69 |
IV.MML1.EHN. | ML:0.2 | 0.0000122179255 | 0.2 | AML | other | m | 2021-10-20T02:13:51.51 |
IV.LNSS.HHE. | ML:0.4 | 0.000009884339000000001 | 0.12 | AML | other | m | 2021-10-20T02:13:55.42 |
IV.LNSS.HHN. | ML:0.1 | 0.000007152863000000001 | 0.12 | AML | other | m | 2021-10-20T02:13:56.13 |