A magnitude ML 0.9 earthquake occured in region: 7 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8280, 13.2550 at 14 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 |
---|---|---|---|---|
Montegallo | AP | 7 | 523 | 523 |
Arquata del Tronto | AP | 7 | 1178 | 1701 |
Montemonaco | AP | 10 | 604 | 2305 |
Castelsantangelo sul Nera | MC | 11 | 281 | 2586 |
Norcia | PG | 14 | 4957 | 7543 |
Acquasanta Terme | AP | 14 | 2916 | 10459 |
Montefortino | FM | 15 | 1178 | 11637 |
Accumoli | RI | 15 | 667 | 12304 |
Ussita | MC | 16 | 444 | 12748 |
Visso | MC | 18 | 1107 | 13855 |
Roccafluvione | AP | 18 | 2010 | 15865 |
Palmiano | AP | 19 | 196 | 16061 |
Preci | PG | 19 | 724 | 16785 |
Bolognola | MC | 19 | 142 | 16927 |
Amandola | FM | 19 | 3629 | 20556 |
Comunanza | AP | 19 | 3166 | 23722 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-06-20 02:39:11 |
42.8285 | 13.2552 | 14 | 2021-06-20 02:57:39 |
Sala Sismica INGV-Roma | 91580701 |
Field | Value |
---|---|
Time (UTC) | 2021-06-20 02:39:11 ± 0.12 |
Latitude | 42.8285 ± 0.0054 |
Longitude | 13.2552 ± 0.0123 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 91580701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 813 |
Semi-minor axis of confidence ellipse (meter) | 666 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.08813 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32825 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 91580701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-20 02:57:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-06-20T02:39:23.93 | 0.1 | undecidable | manual | S | 129 | 36.4413 | 97 | 0.28 | 91 |
IV.FDMO.HHZ. | 2021-06-20T02:39:20.92 | 0.1 | undecidable | manual | S | 329 | 26.751 | 101 | -0.19 | 94 |
IV.SMA1.EHE. | 2021-06-20T02:39:19.83 | 0.3 | undecidable | manual | S | 163 | 22.9548 | 104 | -0.26 | 71 |
IV.TERO.HHZ. | 2021-06-20T02:39:18.68 | 0.1 | undecidable | manual | P | 129 | 36.4413 | 97 | 0.19 | 93 |
IV.MC2.EHZ. | 2021-06-20T02:39:17.28 | 0.1 | undecidable | manual | S | 330 | 10.6782 | 132 | 0.11 | 99 |
IV.NRCA.HHZ. | 2021-06-20T02:39:17.28 | 0.1 | undecidable | manual | S | 273 | 11.4774 | 129 | -0.06 | 100 |
IV.MMO1.EHZ. | 2021-06-20T02:39:16.86 | 0.1 | undecidable | manual | S | 37 | 9.7791 | 135 | -0.14 | 98 |
IV.FDMO.HHZ. | 2021-06-20T02:39:16.92 | 0.1 | undecidable | manual | P | 329 | 26.751 | 101 | -0.09 | 96 |
IV.SMA1.EHE. | 2021-06-20T02:39:15.81 | 0.3 | undecidable | manual | P | 163 | 22.9548 | 104 | -0.62 | 64 |
IV.MMO1.EHZ. | 2021-06-20T02:39:14.77 | 0.1 | undecidable | manual | P | 37 | 9.7791 | 135 | 0.12 | 99 |
IV.NRCA.HHZ. | 2021-06-20T02:39:14.95 | 0.1 | undecidable | manual | P | 273 | 11.4774 | 129 | 0.11 | 99 |
IV.MC2.EHZ. | 2021-06-20T02:39:14.96 | 0.1 | undecidable | manual | P | 330 | 10.6782 | 132 | 0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00010714999999999999 | 0.16 | AML | other | m | 2021-06-20T02:39:17.42 |
IV.NRCA.HHE. | ML:0.7 | 0.0000432 | 0.08 | AML | other | m | 2021-06-20T02:39:17.56 |
IV.NRCA.HNE. | ML:1.0 | 0.00009968239000000001 | 0.6592 | AML | other | m | 2021-06-20T02:39:15.70 |
IV.NRCA.HNN. | ML:1.2 | 0.00015555364999999998 | 0.6992 | AML | other | m | 2021-06-20T02:39:21.87 |
IV.FDMO.HHE. | ML:0.0 | 0.000004901565 | 0.16 | AML | other | m | 2021-06-20T02:39:21.57 |
IV.FDMO.HHN. | ML:0.0 | 0.000004921846 | 0.12 | AML | other | m | 2021-06-20T02:39:21.54 |
IV.TERO.HHE. | ML:1.0 | 0.000041892449999999996 | 0.6608 | AML | other | m | 2021-06-20T02:39:34.90 |
IV.TERO.HHN. | ML:0.4 | 0.0000075980525 | 0.0992 | AML | other | m | 2021-06-20T02:39:24.45 |
IV.TERO.HNE. | ML:1.5 | 0.00011340402 | 0.8208 | AML | other | m | 2021-06-20T02:39:33.47 |
IV.TERO.HNN. | ML:1.6 | 0.00014618395 | 0.7104 | AML | other | m | 2021-06-20T02:39:31.55 |