A magnitude ML 0.7 earthquake occured in region: 3 km E Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.9000, 13.1920 at 3 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 | 3 | 281 | 281 |
Ussita | MC | 7 | 444 | 725 |
Visso | MC | 9 | 1107 | 1832 |
Bolognola | MC | 11 | 142 | 1974 |
Montemonaco | AP | 11 | 604 | 2578 |
Preci | PG | 13 | 724 | 3302 |
Montefortino | FM | 13 | 1178 | 4480 |
Montegallo | AP | 13 | 523 | 5003 |
Norcia | PG | 14 | 4957 | 9960 |
Acquacanina | MC | 15 | 121 | 10081 |
Fiastra | MC | 16 | 559 | 10640 |
Amandola | FM | 16 | 3629 | 14269 |
Arquata del Tronto | AP | 17 | 1178 | 15447 |
Fiordimonte | MC | 17 | 202 | 15649 |
Sarnano | MC | 18 | 3264 | 18913 |
Monte Cavallo | MC | 19 | 145 | 19058 |
Comunanza | AP | 19 | 3166 | 22224 |
Pieve Torina | MC | 20 | 1458 | 23682 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-08-31 13:21:29 |
42.8997 | 13.1917 | 3 | 2021-08-31 13:28:21 |
Sala Sismica INGV-Roma | 94870701 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 13:21:29 ± 0.16 |
Latitude | 42.8997 ± 0.0054 |
Longitude | 13.1917 ± 0.0074 |
Depth (km) | 3 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94870701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 620 |
Semi-minor axis of confidence ellipse (meter) | 72 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 316 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26710 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94870701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 13:28:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-08-31T13:22:18.28 | 3.0 | undecidable | manual | Sn | -2.85 | 0 | |||
IV.RIBO.EHZ.01 | 2021-08-31T13:21:53.58 | 3.0 | undecidable | manual | P | 0.02 | 0 | |||
IV.ASSB.HHZ. | 2021-08-31T13:21:44.90 | 3.0 | undecidable | manual | S | 0.19 | 0 | |||
IV.MF5.EHZ. | 2021-08-31T13:21:39.00 | 0.3 | undecidable | manual | S | 66 | 23.8539 | 97 | 0.83 | 57 |
IV.MML1.EHZ. | 2021-08-31T13:21:39.90 | 0.6 | undecidable | manual | S | 323 | 29.6481 | 95 | -0.28 | 45 |
IV.CSP1.EHZ. | 2021-08-31T13:21:37.50 | 0.3 | undecidable | manual | S | 3 | 21.3675 | 97 | 0.2 | 70 |
IV.FDMO.HHZ. | 2021-08-31T13:21:36.10 | 0.6 | undecidable | manual | S | 331 | 17.3715 | 99 | 0.16 | 47 |
IV.MML1.EHZ. | 2021-08-31T13:21:35.41 | 1.0 | negative | manual | P | 323 | 29.6481 | 95 | -0.39 | 22 |
IV.MF5.EHZ. | 2021-08-31T13:21:34.73 | 0.6 | negative | manual | P | 66 | 23.8539 | 97 | 0.09 | 48 |
IV.FDMO.HHZ. | 2021-08-31T13:21:33.13 | 0.6 | positive | manual | P | 331 | 17.3715 | 99 | -0.23 | 47 |
IV.MMO1.EHZ. | 2021-08-31T13:21:33.30 | 0.3 | undecidable | manual | S | 90 | 10.9779 | 104 | -0.46 | 67 |
IV.CSP1.EHZ. | 2021-08-31T13:21:33.83 | 1.0 | undecidable | manual | P | 3 | 21.3675 | 97 | -0.31 | 23 |
IV.NRCA.HHZ. | 2021-08-31T13:21:33.60 | 0.1 | undecidable | manual | S | 221 | 9.6792 | 106 | 0.28 | 94 |
IV.NRCA.HHZ. | 2021-08-31T13:21:31.78 | 0.1 | undecidable | manual | P | 221 | 9.6792 | 106 | -0.06 | 98 |
IV.MMO1.EHZ. | 2021-08-31T13:21:31.67 | 0.6 | undecidable | manual | P | 90 | 10.9779 | 104 | -0.43 | 45 |
IV.MC2.EHZ. | 2021-08-31T13:21:30.90 | 0.6 | undecidable | manual | S | 351 | 1.2987 | 154 | 0.01 | 50 |
IV.MC2.EHZ. | 2021-08-31T13:21:30.41 | 0.1 | negative | manual | P | 351 | 1.2987 | 154 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.000383 | 0.12 | AML | other | m | 2021-08-31T13:21:33.85 |
IV.NRCA.HHE. | ML:1.3 | 0.00040649999999999996 | 0.12 | AML | other | m | 2021-08-31T13:21:33.96 |
IV.FDMO.HHE. | ML:0.4 | 0.0000264 | 0.18 | AML | other | m | 2021-08-31T13:21:36.33 |
IV.FDMO.HHN. | ML:0.6 | 0.00003285 | 0.12 | AML | other | m | 2021-08-31T13:21:36.51 |
IV.MML1.EHN. | ML:0.6 | 0.00001815 | 0.92 | AML | other | m | 2021-08-31T13:21:40.75 |
IV.MML1.EHE. | ML:0.5 | 0.000015224999999999999 | 0.4 | AML | other | m | 2021-08-31T13:21:41.95 |
IV.CSP1.EHE. | ML:0.7 | 0.000038868336999999996 | 0.1984 | AML | other | m | 2021-08-31T13:21:38.64 |
IV.CSP1.EHN. | ML:0.7 | 0.000041292635 | 0.16 | AML | other | m | 2021-08-31T13:21:38.55 |