A magnitude ML 1.0 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8790, 13.2020 at 13 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 | 4 | 281 | 281 |
Ussita | MC | 9 | 444 | 725 |
Montemonaco | AP | 11 | 604 | 1329 |
Visso | MC | 11 | 1107 | 2436 |
Montegallo | AP | 11 | 523 | 2959 |
Norcia | PG | 13 | 4957 | 7916 |
Bolognola | MC | 13 | 142 | 8058 |
Preci | PG | 13 | 724 | 8782 |
Montefortino | FM | 13 | 1178 | 9960 |
Arquata del Tronto | AP | 14 | 1178 | 11138 |
Amandola | FM | 17 | 3629 | 14767 |
Acquacanina | MC | 17 | 121 | 14888 |
Fiastra | MC | 18 | 559 | 15447 |
Sarnano | MC | 19 | 3264 | 18711 |
Comunanza | AP | 19 | 3166 | 21877 |
Fiordimonte | MC | 20 | 202 | 22079 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-13 05:27:30 |
42.8793 | 13.2025 | 13 | 2021-09-13 05:33:48 |
Sala Sismica INGV-Roma | 95369541 |
Field | Value |
---|---|
Time (UTC) | 2021-09-13 05:27:30 ± 0.06 |
Latitude | 42.8793 ± 0.0027 |
Longitude | 13.2025 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95369541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 347 |
Semi-minor axis of confidence ellipse (meter) | 272 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 46 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29318 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95369541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-13 05:33:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-09-13T05:27:50.63 | 3.0 | undecidable | manual | Sg | -0.58 | 0 | |||
IV.EL6.EHZ. | 2021-09-13T05:27:47.09 | 3.0 | undecidable | manual | S | 0.67 | 0 | |||
IV.SMA1.EHZ. | 2021-09-13T05:27:40.51 | 0.1 | undecidable | manual | S | 159 | 29.6481 | 97 | -0.09 | 96 |
IV.CESI.HHZ. | 2021-09-13T05:27:40.37 | 0.1 | undecidable | manual | S | 300 | 27.9498 | 98 | 0.23 | 93 |
IV.MF5.EHZ. | 2021-09-13T05:27:39.41 | 0.1 | undecidable | manual | S | 60 | 24.0537 | 101 | 0.27 | 93 |
IV.CSP1.EHZ. | 2021-09-13T05:27:38.93 | 0.1 | undecidable | manual | S | 0 | 23.5542 | 101 | -0.07 | 96 |
IV.FDMO.HHZ. | 2021-09-13T05:27:37.71 | 0.1 | undecidable | manual | S | 332 | 19.7691 | 106 | -0.3 | 92 |
IV.CESI.HHZ. | 2021-09-13T05:27:36.05 | 0.1 | positive | manual | P | 300 | 27.9498 | 98 | 0.11 | 95 |
IV.MML1.EHZ. | 2021-09-13T05:27:36.60 | 0.3 | negative | manual | P | 324 | 32.0457 | 96 | 0.04 | 72 |
IV.GAVE.EHZ. | 2021-09-13T05:27:36.90 | 1.0 | undecidable | manual | P | 230 | 32.5452 | 96 | 0.25 | 23 |
IV.NRCA.HHZ. | 2021-09-13T05:27:35.43 | 0.1 | undecidable | manual | S | 235 | 8.7801 | 137 | -0.06 | 100 |
IV.CSP1.EHZ. | 2021-09-13T05:27:35.24 | 1.0 | undecidable | manual | P | 0 | 23.5542 | 101 | -0.04 | 24 |
IV.MF5.EHZ. | 2021-09-13T05:27:35.52 | 1.0 | negative | manual | P | 60 | 24.0537 | 101 | 0.16 | 24 |
IV.SMA1.EHZ. | 2021-09-13T05:27:35.93 | 1.0 | negative | manual | P | 159 | 29.6481 | 97 | -0.27 | 23 |
IV.FDMO.HHZ. | 2021-09-13T05:27:34.62 | 0.3 | negative | manual | P | 332 | 19.7691 | 106 | -0.09 | 72 |
IV.MC2.EHZ. | 2021-09-13T05:27:34.89 | 0.1 | undecidable | manual | S | 343 | 3.6963 | 160 | 0.11 | 99 |
IV.MTRA.EHZ. | 2021-09-13T05:27:34.60 | 0.6 | positive | manual | P | 131 | 20.868 | 104 | -0.27 | 47 |
IV.NRCA.HHZ. | 2021-09-13T05:27:33.30 | 0.1 | positive | manual | P | 235 | 8.7801 | 137 | 0.05 | 99 |
IV.MC2.EHZ. | 2021-09-13T05:27:33.01 | 1.0 | undecidable | manual | P | 343 | 3.6963 | 160 | 0.17 | 24 |
IV.MNTT.EHZ. | 2021-09-13T05:27:33.42 | 3.0 | positive | manual | P | -2.7 | 0 | |||
IV.MMO1.EHZ. | 2021-09-13T05:27:33.26 | 0.3 | undecidable | manual | P | 78 | 10.3785 | 131 | -0.16 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.0001805 | 0.1 | AML | other | m | 2021-09-13T05:27:35.49 |
IV.NRCA.HHE. | ML:1.6 | 0.000486 | 0.14 | AML | other | m | 2021-09-13T05:27:35.55 |
IV.FDMO.HHN. | ML:0.8 | 0.00004125 | 0.22 | AML | other | m | 2021-09-13T05:27:38.17 |
IV.FDMO.HHE. | ML:0.6 | 0.000029 | 0.92 | AML | other | m | 2021-09-13T05:27:38.32 |
IV.CESI.HHE. | ML:0.8 | 0.000036700000000000004 | 0.22 | AML | other | m | 2021-09-13T05:27:40.65 |
IV.CESI.HHN. | ML:1.0 | 0.000043950000000000004 | 0.16 | AML | other | m | 2021-09-13T05:27:40.78 |
IV.ARVD.HHE. | ML:1.1 | 0.000018685 | 0.64 | AML | other | m | 2021-09-13T05:27:51.54 |
IV.ARVD.HHN. | ML:1.0 | 0.000012794999999999999 | 1.36 | AML | other | m | 2021-09-13T05:27:58.24 |