A magnitude ML 1.0 earthquake occured in region: 8 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7510, 13.1840 at 10 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 |
---|---|---|---|---|
Accumoli | RI | 8 | 667 | 667 |
Norcia | PG | 9 | 4957 | 5624 |
Arquata del Tronto | AP | 10 | 1178 | 6802 |
Cascia | PG | 14 | 3217 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Montegallo | AP | 16 | 523 | 11024 |
Amatrice | RI | 16 | 2657 | 13681 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13962 |
Preci | PG | 19 | 724 | 14686 |
Acquasanta Terme | AP | 19 | 2916 | 17602 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-10 12:47:35 |
42.7513 | 13.1838 | 10 | 2021-09-10 12:53:12 |
Sala Sismica INGV-Roma | 95265651 |
Field | Value |
---|---|
Time (UTC) | 2021-09-10 12:47:35 ± 0.06 |
Latitude | 42.7513 ± 0.0027 |
Longitude | 13.1838 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95265651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 184 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 244 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.09713 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39390 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95265651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-10 12:53:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-09-10T12:47:50.55 | 0.6 | undecidable | manual | S | 337 | 43.7229 | 50 | 0.4 | 44 |
IV.CSP1.EHZ. | 2021-09-10T12:47:49.02 | 0.6 | undecidable | manual | S | 3 | 37.8288 | 50 | 0.44 | 44 |
IV.TERO.HHZ. | 2021-09-10T12:47:48.07 | 0.6 | undecidable | manual | S | 112 | 37.1295 | 50 | -0.31 | 46 |
IV.FDMO.HHZ. | 2021-09-10T12:47:46.89 | 0.6 | undecidable | manual | S | 346 | 32.5452 | 50 | -0.29 | 46 |
IV.RM33.EHZ. | 2021-09-10T12:47:45.28 | 0.6 | undecidable | manual | S | 175 | 26.9508 | 50 | -0.41 | 45 |
IV.MML1.EHZ. | 2021-09-10T12:47:44.12 | 1.0 | positive | manual | P | 337 | 43.7229 | 50 | 0.04 | 24 |
IV.GAVE.EHZ. | 2021-09-10T12:47:44.87 | 0.6 | undecidable | manual | S | 255 | 24.4533 | 112 | -0.09 | 49 |
IV.SMA1.EHZ. | 2021-09-10T12:47:43.37 | 0.3 | undecidable | manual | S | 137 | 18.2706 | 119 | 0.38 | 70 |
IV.LNSS.HHZ. | 2021-09-10T12:47:43.85 | 0.6 | undecidable | manual | S | 215 | 20.1687 | 116 | 0.25 | 48 |
IV.CSP1.EHZ. | 2021-09-10T12:47:43.01 | 1.0 | negative | manual | P | 3 | 37.8288 | 50 | -0.16 | 23 |
IV.MC2.EHZ. | 2021-09-10T12:47:43.12 | 0.3 | undecidable | manual | S | 1 | 17.7711 | 119 | 0.27 | 71 |
IV.TERO.HHZ. | 2021-09-10T12:47:43.40 | 0.3 | undecidable | manual | P | 112 | 37.1295 | 50 | 0.34 | 68 |
IV.T1299.HNZ. | 2021-09-10T12:47:42.27 | 0.6 | undecidable | manual | S | 148 | 15.2736 | 123 | 0.16 | 49 |
IV.FDMO.HHZ. | 2021-09-10T12:47:42.28 | 0.6 | positive | manual | P | 346 | 32.5452 | 50 | -0.08 | 48 |
IV.MTRA.EHZ. | 2021-09-10T12:47:42.24 | 0.6 | undecidable | manual | S | 88 | 17.3715 | 120 | -0.48 | 45 |
IV.RM33.EHZ. | 2021-09-10T12:47:41.25 | 0.6 | negative | manual | P | 175 | 26.9508 | 50 | -0.25 | 47 |
IV.GAVE.EHZ. | 2021-09-10T12:47:41.17 | 0.3 | positive | manual | P | 255 | 24.4533 | 112 | 0.09 | 73 |
IV.NRCA.HHZ. | 2021-09-10T12:47:40.44 | 0.3 | undecidable | manual | S | 328 | 10.7781 | 133 | -0.43 | 70 |
IV.SMA1.EHZ. | 2021-09-10T12:47:40.04 | 0.6 | undecidable | manual | P | 137 | 18.2706 | 119 | 0.09 | 49 |
IV.LNSS.HHZ. | 2021-09-10T12:47:40.28 | 0.1 | undecidable | manual | P | 215 | 20.1687 | 116 | -0.02 | 100 |
IV.MC2.EHZ. | 2021-09-10T12:47:39.84 | 0.1 | undecidable | manual | P | 1 | 17.7711 | 119 | -0.02 | 100 |
IV.T1299.HNZ. | 2021-09-10T12:47:39.38 | 0.1 | undecidable | manual | P | 148 | 15.2736 | 123 | -0.06 | 100 |
IV.MTRA.EHZ. | 2021-09-10T12:47:39.66 | 0.6 | undecidable | manual | P | 88 | 17.3715 | 120 | -0.13 | 49 |
IV.NRCA.HHZ. | 2021-09-10T12:47:38.67 | 0.6 | undecidable | manual | P | 328 | 10.7781 | 133 | -0.05 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.5 | 0.0002465 | 0.34 | AML | other | m | 2021-09-10T12:47:42.42 |
IV.MTRA.EHN. | ML:1.3 | 0.000187 | 1.2 | AML | other | m | 2021-09-10T12:47:42.66 |
IV.LNSS.HHE. | ML:1.0 | 0.0000726 | 0.1 | AML | other | m | 2021-09-10T12:47:44.21 |
IV.LNSS.HHN. | ML:1.0 | 0.00007395000000000001 | 0.2 | AML | other | m | 2021-09-10T12:47:44.47 |
IV.SMA1.EHN. | ML:0.8 | 0.0000451 | 0.66 | AML | other | m | 2021-09-10T12:47:45.73 |
IV.RM33.EHN. | ML:0.9 | 0.0000388 | 0.7 | AML | other | m | 2021-09-10T12:47:45.68 |
IV.RM33.EHE. | ML:0.9 | 0.00004675 | 0.14 | AML | other | m | 2021-09-10T12:47:45.63 |
IV.SMA1.EHE. | ML:0.8 | 0.000052900000000000005 | 0.5 | AML | other | m | 2021-09-10T12:47:48.21 |