A magnitude ML 1.1 earthquake occured in region: 2 km N Ussita (MC), on
and geographic coordinates (lat, lon) 42.9630, 13.1330 at 4 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 | 8 | 281 | 1832 |
Acquacanina | MC | 8 | 121 | 1953 |
Fiastra | MC | 8 | 559 | 2512 |
Bolognola | MC | 9 | 142 | 2654 |
Fiordimonte | MC | 9 | 202 | 2856 |
Monte Cavallo | MC | 11 | 145 | 3001 |
Pieve Torina | MC | 11 | 1458 | 4459 |
Pievebovigliana | MC | 12 | 866 | 5325 |
Preci | PG | 12 | 724 | 6049 |
Muccia | MC | 15 | 915 | 6964 |
Sarnano | MC | 16 | 3264 | 10228 |
Montefortino | FM | 17 | 1178 | 11406 |
Montemonaco | AP | 17 | 604 | 12010 |
Amandola | FM | 18 | 3629 | 15639 |
Sellano | PG | 19 | 1079 | 16718 |
Serravalle di Chienti | MC | 19 | 1070 | 17788 |
Norcia | PG | 19 | 4957 | 22745 |
Cessapalombo | MC | 19 | 512 | 23257 |
Camerino | MC | 20 | 6974 | 30231 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-08 05:30:56 |
42.963 | 13.1327 | 4 | 2021-09-08 05:35:26 |
Sala Sismica INGV-Roma | 95183281 |
Field | Value |
---|---|
Time (UTC) | 2021-09-08 05:30:56 ± 0.26 |
Latitude | 42.9630 ± 0.0045 |
Longitude | 13.1327 ± 0.0098 |
Depth (km) | 4 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95183281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 770 |
Semi-minor axis of confidence ellipse (meter) | 53 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
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) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.06565 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24012 |
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 | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 95183281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-08 05:35:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-09-08T05:31:06.24 | 0.6 | undecidable | manual | S | 84 | 26.6511 | 98 | 0.64 | 43 |
IV.MML1.EHZ. | 2021-09-08T05:31:04.13 | 0.6 | undecidable | manual | S | 322 | 21.1677 | 100 | 0.42 | 47 |
IV.NRCA.HHZ. | 2021-09-08T05:31:01.81 | 0.6 | undecidable | manual | S | 186 | 14.4744 | 104 | 0.39 | 48 |
IV.MF5.EHZ. | 2021-09-08T05:31:01.43 | 1.0 | negative | manual | P | 84 | 26.6511 | 98 | -0.21 | 24 |
IV.CSP1.EHZ. | 2021-09-08T05:31:01.45 | 0.6 | undecidable | manual | S | 22 | 15.4734 | 103 | -0.31 | 49 |
IV.MML1.EHZ. | 2021-09-08T05:31:00.26 | 1.0 | positive | manual | P | 322 | 21.1677 | 100 | -0.29 | 24 |
IV.FDMO.HHZ. | 2021-09-08T05:30:59.74 | 0.6 | undecidable | manual | S | 336 | 8.9799 | 112 | 0.14 | 51 |
IV.NRCA.HHZ. | 2021-09-08T05:30:59.03 | 0.1 | undecidable | manual | P | 186 | 14.4744 | 104 | -0.2 | 100 |
IV.CSP1.EHZ. | 2021-09-08T05:30:59.06 | 1.0 | positive | manual | P | 22 | 15.4734 | 103 | -0.37 | 24 |
IV.FDMO.HHZ. | 2021-09-08T05:30:58.05 | 0.6 | positive | manual | P | 336 | 8.9799 | 112 | -0.13 | 51 |
IV.MC2.EHZ. | 2021-09-08T05:30:58.92 | 0.6 | undecidable | manual | S | 141 | 7.2927 | 117 | -0.17 | 51 |
IV.MC2.EHZ. | 2021-09-08T05:30:57.79 | 1.0 | negative | manual | P | 141 | 7.2927 | 117 | -0.1 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.000133 | 0.46 | AML | other | m | 2021-09-08T05:31:03.58 |
IV.NRCA.HHN. | ML:1.1 | 0.000144 | 1.88 | AML | other | m | 2021-09-08T05:31:03.95 |