A magnitude ML 1.2 earthquake occured in region: 1 km N Ussita (MC), on
and geographic coordinates (lat, lon) 42.9580, 13.1400 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 |
---|---|---|---|---|
Ussita | MC | 2 | 444 | 444 |
Visso | MC | 5 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 7 | 281 | 1832 |
Bolognola | MC | 8 | 142 | 1974 |
Acquacanina | MC | 9 | 121 | 2095 |
Fiastra | MC | 9 | 559 | 2654 |
Fiordimonte | MC | 10 | 202 | 2856 |
Monte Cavallo | MC | 12 | 145 | 3001 |
Preci | PG | 12 | 724 | 3725 |
Pieve Torina | MC | 12 | 1458 | 5183 |
Pievebovigliana | MC | 13 | 866 | 6049 |
Sarnano | MC | 16 | 3264 | 9313 |
Muccia | MC | 16 | 915 | 10228 |
Montefortino | FM | 17 | 1178 | 11406 |
Montemonaco | AP | 17 | 604 | 12010 |
Amandola | FM | 18 | 3629 | 15639 |
Norcia | PG | 19 | 4957 | 20596 |
Sellano | PG | 19 | 1079 | 21675 |
Cessapalombo | MC | 20 | 512 | 22187 |
Serravalle di Chienti | MC | 20 | 1070 | 23257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-08-22 23:45:55 |
42.9582 | 13.1402 | 7 | 2021-08-22 23:53:18 |
Sala Sismica INGV-Roma | 94517991 |
Field | Value |
---|---|
Time (UTC) | 2021-08-22 23:45:55 ± 0.18 |
Latitude | 42.9582 ± 0.0036 |
Longitude | 13.1402 ± 0.0049 |
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 | 94517991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 138 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 23 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 22 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23562 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 94517991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-22 23:53:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-08-22T23:46:06.13 | 0.3 | undecidable | manual | S | 83 | 26.1516 | 105 | 0.94 | 56 |
IV.ATCC.EHZ. | 2021-08-22T23:46:04.76 | 3.0 | undecidable | manual | P | -0.05 | 0 | |||
IV.CING.HHZ. | 2021-08-22T23:46:04.52 | 3.0 | negative | manual | P | -0.03 | 0 | |||
IV.TERO.HHZ. | 2021-08-22T23:46:04.96 | 3.0 | undecidable | manual | P | -0.61 | 0 | |||
IV.CESI.HHZ. | 2021-08-22T23:46:03.38 | 0.3 | undecidable | manual | S | 285 | 19.7691 | 109 | 0.29 | 71 |
IV.GUMA.HHZ. | 2021-08-22T23:46:03.38 | 0.3 | undecidable | manual | S | 54 | 19.5693 | 109 | 0.36 | 70 |
IV.MML1.EHZ. | 2021-08-22T23:46:03.99 | 0.3 | undecidable | manual | S | 322 | 21.9669 | 107 | 0.18 | 73 |
IV.SMA1.EHZ. | 2021-08-22T23:46:02.93 | 3.0 | positive | manual | P | -0.41 | 0 | |||
IV.MMO1.EHZ. | 2021-08-22T23:46:01.73 | 0.3 | undecidable | manual | S | 113 | 16.4724 | 112 | -0.29 | 72 |
IV.MF5.EHZ. | 2021-08-22T23:46:01.41 | 0.6 | negative | manual | P | 83 | 26.1516 | 105 | 0.17 | 48 |
IV.NRCA.HHZ. | 2021-08-22T23:46:01.51 | 0.3 | undecidable | manual | S | 189 | 13.9749 | 116 | 0.29 | 72 |
IV.CSP1.EHZ. | 2021-08-22T23:46:01.54 | 0.3 | undecidable | manual | S | 19 | 15.6732 | 113 | -0.23 | 73 |
IV.GUMA.HHZ. | 2021-08-22T23:46:00.09 | 0.6 | undecidable | manual | P | 54 | 19.5693 | 109 | 0.11 | 49 |
IT.MTCL.HGZ. | 2021-08-22T23:46:00.83 | 0.3 | undecidable | manual | S | 289 | 12.0768 | 119 | 0.19 | 74 |
IV.MML1.EHZ. | 2021-08-22T23:46:00.12 | 0.6 | positive | manual | P | 322 | 21.9669 | 107 | -0.31 | 47 |
IV.FDMO.HHZ. | 2021-08-22T23:45:59.69 | 0.3 | undecidable | manual | S | 334 | 9.6792 | 125 | -0.24 | 73 |
IV.MMO1.EHZ. | 2021-08-22T23:45:59.05 | 0.6 | negative | manual | P | 113 | 16.4724 | 112 | -0.35 | 47 |
IV.CESI.HHZ. | 2021-08-22T23:45:59.98 | 0.1 | undecidable | manual | P | 285 | 19.7691 | 109 | -0.04 | 100 |
IV.FEMA.HNZ. | 2021-08-22T23:45:59.55 | 0.3 | undecidable | manual | S | 273 | 7.3815 | 133 | 0.25 | 73 |
IV.NRCA.HHZ. | 2021-08-22T23:45:58.83 | 0.1 | positive | manual | P | 189 | 13.9749 | 116 | -0.11 | 100 |
IV.MC2.EHZ. | 2021-08-22T23:45:58.97 | 0.3 | undecidable | manual | S | 143 | 6.4935 | 136 | -0.13 | 75 |
IV.CSP1.EHZ. | 2021-08-22T23:45:58.98 | 0.3 | negative | manual | P | 19 | 15.6732 | 113 | -0.28 | 72 |
IT.MTCL.HGZ. | 2021-08-22T23:45:58.48 | 0.1 | undecidable | manual | P | 289 | 12.0768 | 119 | -0.13 | 100 |
IV.FEMA.HNZ. | 2021-08-22T23:45:57.92 | 0.3 | undecidable | manual | P | 273 | 7.3815 | 133 | 0.09 | 76 |
IV.MC2.EHZ. | 2021-08-22T23:45:57.49 | 0.1 | undecidable | manual | P | 143 | 6.4935 | 136 | -0.22 | 99 |
IV.FDMO.HHZ. | 2021-08-22T23:45:57.86 | 0.6 | negative | manual | P | 334 | 9.6792 | 125 | -0.34 | 48 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:1.2 | 0.0002495 | 0.84 | AML | other | m | 2021-08-22T23:46:00.09 |
IV.FDMO.HHN. | ML:1.0 | 0.00016949999999999997 | 0.64 | AML | other | m | 2021-08-22T23:46:00.52 |
IV.CSP1.EHE. | ML:1.3 | 0.0002145 | 0.7 | AML | other | m | 2021-08-22T23:46:01.39 |
IV.NRCA.HHN. | ML:1.2 | 0.000189 | 0.74 | AML | other | m | 2021-08-22T23:46:02.52 |
IV.NRCA.HHE. | ML:1.4 | 0.00026450000000000003 | 1.24 | AML | other | m | 2021-08-22T23:46:02.07 |
IV.CSP1.EHN. | ML:1.4 | 0.0002875 | 0.5 | AML | other | m | 2021-08-22T23:46:03.46 |
IV.CESI.HHN. | ML:1.4 | 0.00021550000000000003 | 1.44 | AML | other | m | 2021-08-22T23:46:04.21 |
IV.GUMA.HHN. | ML:1.4 | 0.0002035 | 0.62 | AML | other | m | 2021-08-22T23:46:04.42 |
IV.CESI.HHE. | ML:1.2 | 0.000126 | 1.5 | AML | other | m | 2021-08-22T23:46:05.11 |
IV.MML1.EHN. | ML:1.0 | 0.0000698 | 0.26 | AML | other | m | 2021-08-22T23:46:05.15 |
IV.MML1.EHE. | ML:0.9 | 0.0000585 | 1.28 | AML | other | m | 2021-08-22T23:46:06.02 |
IV.GUMA.HHE. | ML:1.3 | 0.000148 | 0.52 | AML | other | m | 2021-08-22T23:46:10.40 |
IV.SMA1.EHN. | ML:0.8 | 0.000022850000000000003 | 1.6 | AML | other | m | 2021-08-22T23:46:14.83 |
IV.SMA1.EHE. | ML:0.8 | 0.00002595 | 0.36 | AML | other | m | 2021-08-22T23:46:15.83 |
IV.ATCC.EHN. | ML:1.0 | 0.00003065 | 0.94 | AML | other | m | 2021-08-22T23:46:16.65 |
IV.ATCC.EHE. | ML:1.0 | 0.000027799999999999998 | 0.74 | AML | other | m | 2021-08-22T23:46:16.66 |