A magnitude ML 0.6 earthquake occured in region: 1 km SW Ussita (MC), on
and geographic coordinates (lat, lon) 42.9370, 13.1250 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 |
---|---|---|---|---|
Ussita | MC | 2 | 444 | 444 |
Visso | MC | 3 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 5 | 281 | 1832 |
Preci | PG | 9 | 724 | 2556 |
Bolognola | MC | 11 | 142 | 2698 |
Acquacanina | MC | 11 | 121 | 2819 |
Fiastra | MC | 11 | 559 | 3378 |
Fiordimonte | MC | 12 | 202 | 3580 |
Monte Cavallo | MC | 12 | 145 | 3725 |
Pieve Torina | MC | 13 | 1458 | 5183 |
Pievebovigliana | MC | 14 | 866 | 6049 |
Norcia | PG | 16 | 4957 | 11006 |
Sellano | PG | 17 | 1079 | 12085 |
Montemonaco | AP | 17 | 604 | 12689 |
Muccia | MC | 18 | 915 | 13604 |
Montefortino | FM | 18 | 1178 | 14782 |
Sarnano | MC | 18 | 3264 | 18046 |
Amandola | FM | 20 | 3629 | 21675 |
Montegallo | AP | 20 | 523 | 22198 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-10-20 19:52:52 |
42.937 | 13.1248 | 8 | 2021-10-20 20:02:34 |
Sala Sismica INGV-Roma | 96808401 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 19:52:52 ± 0.09 |
Latitude | 42.9370 ± 0.0018 |
Longitude | 13.1248 ± 0.0025 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96808401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 220 |
Semi-minor axis of confidence ellipse (meter) | 63 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 44 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 220.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17447 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.5 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96808401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 20:02:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MNTT.EHZ. | 2021-10-20T19:53:09.69 | 3.0 | undecidable | manual | S | 0.92 | 0 | |||
IV.SNTG.HHZ. | 2021-10-20T19:53:01.13 | 3.0 | negative | manual | P | 0 | 0 | |||
IV.CESI.HHZ. | 2021-10-20T19:53:00.00 | 0.3 | undecidable | manual | S | 293 | 19.3695 | 112 | 0 | 74 |
IV.MMO1.EHZ. | 2021-10-20T19:52:59.11 | 0.3 | undecidable | manual | S | 104 | 16.9719 | 115 | -0.11 | 73 |
IV.CSP1.EHN. | 2021-10-20T19:52:59.59 | 0.6 | undecidable | manual | S | 21 | 18.3705 | 114 | -0.08 | 49 |
IV.FDMO.HHE. | 2021-10-20T19:52:57.49 | 0.6 | undecidable | manual | S | 345 | 11.4774 | 125 | -0.08 | 49 |
IV.NRCA.HHZ. | 2021-10-20T19:52:57.41 | 0.6 | undecidable | manual | S | 184 | 11.4774 | 125 | -0.18 | 48 |
IV.CSP1.EHN. | 2021-10-20T19:52:56.77 | 0.1 | undecidable | manual | P | 21 | 18.3705 | 114 | 0.04 | 98 |
IV.MMO1.EHZ. | 2021-10-20T19:52:56.46 | 0.6 | negative | manual | P | 104 | 16.9719 | 115 | -0.01 | 50 |
IV.MC2.EHZ. | 2021-10-20T19:52:56.31 | 0.6 | undecidable | manual | S | 119 | 5.8941 | 144 | 0.14 | 49 |
IV.CESI.HHZ. | 2021-10-20T19:52:56.92 | 0.1 | undecidable | manual | P | 293 | 19.3695 | 112 | 0 | 99 |
IV.NRCA.HHZ. | 2021-10-20T19:52:55.58 | 0.3 | negative | manual | P | 184 | 11.4774 | 125 | 0.05 | 74 |
IV.FDMO.HHE. | 2021-10-20T19:52:55.53 | 0.1 | undecidable | manual | P | 345 | 11.4774 | 125 | 0.01 | 100 |
IV.MC2.EHZ. | 2021-10-20T19:52:54.88 | 0.6 | undecidable | manual | P | 119 | 5.8941 | 144 | 0.17 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.7 | 0.0000616 | 0.08 | AML | other | m | 2021-10-20T19:52:57.55 |
IV.NRCA.HHN. | ML:0.5 | 0.00004605 | 0.08 | AML | other | m | 2021-10-20T19:52:57.70 |
IV.MNTT.EHN. | ML:1.5 | 0.0001191 | 0.2 | AML | other | m | 2021-10-20T19:53:11.87 |
IV.MNTT.EHE. | ML:1.8 | 0.00020800000000000001 | 1.7 | AML | other | m | 2021-10-20T19:53:12.06 |
IV.CESI.HHE. | ML:0.1 | 0.000010913319999999999 | 0.1408 | AML | other | m | 2021-10-20T19:53:00.10 |
IV.CESI.HHN. | ML:0.4 | 0.00002201515 | 0.1024 | AML | other | m | 2021-10-20T19:53:00.35 |