A magnitude ML 1.2 earthquake occured in region: 1 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8840, 13.1640 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 2 | 281 | 281 |
Ussita | MC | 7 | 444 | 725 |
Visso | MC | 8 | 1107 | 1832 |
Preci | PG | 10 | 724 | 2556 |
Norcia | PG | 12 | 4957 | 7513 |
Bolognola | MC | 13 | 142 | 7655 |
Montemonaco | AP | 14 | 604 | 8259 |
Montegallo | AP | 15 | 523 | 8782 |
Montefortino | FM | 16 | 1178 | 9960 |
Acquacanina | MC | 16 | 121 | 10081 |
Arquata del Tronto | AP | 17 | 1178 | 11259 |
Fiastra | MC | 17 | 559 | 11818 |
Monte Cavallo | MC | 18 | 145 | 11963 |
Fiordimonte | MC | 18 | 202 | 12165 |
Amandola | FM | 19 | 3629 | 15794 |
Sellano | PG | 19 | 1079 | 16873 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-08-07 22:28:47 |
42.8842 | 13.1637 | 7 | 2021-08-07 22:34:52 |
Sala Sismica INGV-Roma | 93815381 |
Field | Value |
---|---|
Time (UTC) | 2021-08-07 22:28:47 ± 0.14 |
Latitude | 42.8842 ± 0.0045 |
Longitude | 13.1637 ± 0.0074 |
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 | 93815381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 536 |
Semi-minor axis of confidence ellipse (meter) | 342 |
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) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26890 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 93815381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-07 22:34:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VISG.HHZ. | 2021-08-07T22:29:46.47 | 3.0 | undecidable | manual | Sg | 3.1 | 0 | |||
IV.INTR.HHZ. | 2021-08-07T22:29:21.27 | 3.0 | undecidable | manual | S | -2.22 | 0 | |||
IV.SACS.HHZ. | 2021-08-07T22:29:17.55 | 3.0 | undecidable | manual | S | -3 | 0 | |||
IV.CESX.HHZ. | 2021-08-07T22:29:06.46 | 3.0 | undecidable | manual | S | -0.15 | 0 | |||
IV.EL6.EHZ. | 2021-08-07T22:29:05.27 | 3.0 | undecidable | manual | S | 0.2 | 0 | |||
IV.MURB.HHZ. | 2021-08-07T22:28:59.55 | 3.0 | negative | manual | P | -0.82 | 0 | |||
IV.ATCC.EHZ. | 2021-08-07T22:28:58.14 | 3.0 | negative | manual | P | -0.11 | 0 | |||
IV.GUMA.HHZ. | 2021-08-07T22:28:57.18 | 0.3 | undecidable | manual | S | 35 | 24.2535 | 106 | 0.45 | 67 |
IV.EL6.EHZ. | 2021-08-07T22:28:57.05 | 3.0 | undecidable | manual | P | -0.45 | 0 | |||
IV.CSP1.EHZ. | 2021-08-07T22:28:56.54 | 0.3 | undecidable | manual | S | 8 | 23.2545 | 107 | 0.12 | 71 |
IV.ASSB.HHZ. | 2021-08-07T22:28:56.52 | 3.0 | positive | manual | P | -0.13 | 0 | |||
IV.MNTT.EHZ. | 2021-08-07T22:28:56.41 | 3.0 | positive | manual | P | 0.67 | 0 | |||
IV.FDMO.HHZ. | 2021-08-07T22:28:54.86 | 0.3 | undecidable | manual | S | 340 | 17.9709 | 111 | 0.18 | 71 |
IV.GAVE.EHZ. | 2021-08-07T22:28:54.11 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.MML1.EHZ. | 2021-08-07T22:28:53.92 | 0.3 | undecidable | manual | P | 329 | 29.8479 | 103 | -0.2 | 70 |
IV.PF6.EHZ. | 2021-08-07T22:28:53.49 | 0.3 | undecidable | manual | P | 5 | 28.2495 | 104 | -0.32 | 68 |
IV.MF5.EHZ. | 2021-08-07T22:28:53.67 | 0.6 | undecidable | manual | P | 64 | 26.6511 | 105 | 0.17 | 47 |
IV.GUMA.HHZ. | 2021-08-07T22:28:53.10 | 0.1 | undecidable | manual | P | 35 | 24.2535 | 106 | 0.07 | 96 |
IV.CESI.HHZ. | 2021-08-07T22:28:53.20 | 0.3 | undecidable | manual | P | 303 | 24.9528 | 106 | 0.03 | 73 |
IV.CSP1.EHZ. | 2021-08-07T22:28:52.65 | 0.1 | undecidable | manual | P | 8 | 23.2545 | 107 | -0.2 | 94 |
IV.MTRA.HNZ. | 2021-08-07T22:28:52.46 | 1.0 | undecidable | manual | P | 127 | 23.6541 | 106 | -0.46 | 22 |
IV.FDMO.HHZ. | 2021-08-07T22:28:51.82 | 0.1 | undecidable | manual | P | 340 | 17.9709 | 111 | -0.03 | 98 |
IV.NRCA.HNZ. | 2021-08-07T22:28:51.57 | 0.3 | undecidable | manual | S | 216 | 6.8931 | 135 | 0.19 | 73 |
IT.MTCL.HGZ. | 2021-08-07T22:28:51.91 | 0.6 | undecidable | manual | P | 312 | 18.0708 | 111 | 0.05 | 49 |
IV.MC2.EHZ. | 2021-08-07T22:28:50.48 | 0.1 | undecidable | manual | S | 34 | 3.6963 | 152 | -0.23 | 96 |
IV.NRCA.HNZ. | 2021-08-07T22:28:50.08 | 0.1 | undecidable | manual | P | 216 | 6.8931 | 135 | 0.13 | 98 |
IV.MC2.EHZ. | 2021-08-07T22:28:49.51 | 0.1 | undecidable | manual | P | 34 | 3.6963 | 152 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.9 | 0.00006855 | 1.72 | AML | other | m | 2021-08-07T22:28:55.07 |
IV.CSP1.EHE. | ML:1.4 | 0.000192 | 1.54 | AML | other | m | 2021-08-07T22:28:56.07 |
IV.CSP1.EHN. | ML:1.6 | 0.000241 | 1.16 | AML | other | m | 2021-08-07T22:28:57.60 |
IV.FDMO.HHN. | ML:1.0 | 0.0000942 | 0.24 | AML | other | m | 2021-08-07T22:28:57.19 |
IV.GUMA.HHE. | ML:1.6 | 0.0002595 | 0.7 | AML | other | m | 2021-08-07T22:28:57.43 |
IV.CESI.HHE. | ML:1.0 | 0.00006615 | 0.5 | AML | other | m | 2021-08-07T22:28:57.75 |
IV.CESI.HHN. | ML:1.2 | 0.00010889999999999999 | 0.26 | AML | other | m | 2021-08-07T22:28:57.64 |
IV.GUMA.HHN. | ML:1.5 | 0.0001995 | 0.64 | AML | other | m | 2021-08-07T22:28:58.07 |
IV.MML1.EHE. | ML:0.9 | 0.000039 | 1.44 | AML | other | m | 2021-08-07T22:28:58.95 |
IV.MML1.EHN. | ML:1.0 | 0.00004815 | 0.16 | AML | other | m | 2021-08-07T22:28:59.65 |
IV.GAVE.EHE. | ML:1.3 | 0.00009345000000000001 | 0.18 | AML | other | m | 2021-08-07T22:29:00.34 |
IV.GAVE.EHN. | ML:1.3 | 0.00008804999999999999 | 1.08 | AML | other | m | 2021-08-07T22:29:01.10 |
IV.ASSB.HHE. | ML:1.2 | 0.000046649999999999996 | 1.3 | AML | other | m | 2021-08-07T22:29:03.81 |
IV.EL6.EHE. | ML:1.4 | 0.0000711 | 1.4 | AML | other | m | 2021-08-07T22:29:05.79 |
IV.ASSB.HHN. | ML:1.0 | 0.00002815 | 1.26 | AML | other | m | 2021-08-07T22:29:05.09 |
IV.CESX.HHN. | ML:1.0 | 0.0000234 | 1.56 | AML | other | m | 2021-08-07T22:29:08.81 |
IV.EL6.EHN. | ML:1.4 | 0.0000598 | 0.52 | AML | other | m | 2021-08-07T22:29:09.97 |
IV.CESX.HHE. | ML:1.0 | 0.000025099999999999997 | 0.42 | AML | other | m | 2021-08-07T22:29:15.39 |