A magnitude ML 0.9 earthquake occured in region: 1 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8740, 13.0270 at 11 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 |
---|---|---|---|---|
Preci | PG | 1 | 724 | 724 |
Visso | MC | 8 | 1107 | 1831 |
Sellano | PG | 8 | 1079 | 2910 |
Norcia | PG | 11 | 4957 | 7867 |
Castelsantangelo sul Nera | MC | 11 | 281 | 8148 |
Cerreto di Spoleto | PG | 11 | 1075 | 9223 |
Ussita | MC | 12 | 444 | 9667 |
Monte Cavallo | MC | 14 | 145 | 9812 |
Cascia | PG | 17 | 3217 | 13029 |
Vallo di Nera | PG | 18 | 364 | 13393 |
Fiordimonte | MC | 19 | 202 | 13595 |
Pieve Torina | MC | 19 | 1458 | 15053 |
Poggiodomo | PG | 20 | 117 | 15170 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-26 03:43:21 |
42.8743 | 13.0268 | 11 | 2021-08-26 03:51:14 |
Sala Sismica INGV-Roma | 94646151 |
Field | Value |
---|---|
Time (UTC) | 2021-08-26 03:43:21 ± 0.06 |
Latitude | 42.8743 ± 0.0036 |
Longitude | 13.0268 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94646151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 408 |
Semi-minor axis of confidence ellipse (meter) | 304 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 50 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49283 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94646151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-26 03:51:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SMA1.EHZ. | 2021-08-26T03:43:34.43 | 0.3 | undecidable | manual | S | 137 | 36.9297 | 50 | 0.66 | 61 |
IV.ASSB.HHZ. | 2021-08-26T03:43:33.33 | 0.6 | undecidable | manual | S | 302 | 35.2425 | 50 | 0.02 | 48 |
IV.CSP1.EHZ. | 2021-08-26T03:43:31.38 | 0.3 | undecidable | manual | S | 31 | 28.1496 | 50 | -0.03 | 72 |
IV.TERO.HHZ. | 2021-08-26T03:43:31.07 | 0.1 | undecidable | manual | P | 121 | 54.7008 | 50 | -0.2 | 89 |
IV.MML1.EHZ. | 2021-08-26T03:43:30.98 | 0.3 | undecidable | manual | S | 350 | 26.8509 | 50 | -0.11 | 71 |
IV.MMO1.EHZ. | 2021-08-26T03:43:30.19 | 0.3 | undecidable | manual | S | 83 | 24.5532 | 50 | -0.27 | 69 |
IV.GAVE.EHZ. | 2021-08-26T03:43:29.86 | 0.3 | undecidable | manual | S | 208 | 22.9548 | 50 | -0.17 | 71 |
IV.SMA1.EHZ. | 2021-08-26T03:43:28.47 | 0.1 | undecidable | manual | P | 137 | 36.9297 | 50 | -0.07 | 94 |
IV.CESI.HHZ. | 2021-08-26T03:43:28.52 | 0.3 | undecidable | manual | S | 326 | 17.5713 | 122 | -0.04 | 74 |
IV.ASSB.HHZ. | 2021-08-26T03:43:28.24 | 0.1 | undecidable | manual | P | 302 | 35.2425 | 50 | -0.04 | 95 |
IV.MC2.EHZ. | 2021-08-26T03:43:27.63 | 0.3 | undecidable | manual | S | 73 | 13.7751 | 128 | 0.14 | 73 |
IV.MML1.EHZ. | 2021-08-26T03:43:27.18 | 0.1 | undecidable | manual | P | 350 | 26.8509 | 50 | 0.19 | 94 |
IV.CSP1.EHZ. | 2021-08-26T03:43:27.15 | 0.1 | undecidable | manual | P | 31 | 28.1496 | 50 | -0.03 | 97 |
IV.MMO1.EHZ. | 2021-08-26T03:43:26.58 | 0.1 | undecidable | manual | P | 83 | 24.5532 | 50 | -0.05 | 97 |
IV.GAVE.EHZ. | 2021-08-26T03:43:26.44 | 0.1 | undecidable | manual | P | 208 | 22.9548 | 50 | 0.06 | 97 |
IV.MC2.EHZ. | 2021-08-26T03:43:25.10 | 0.1 | undecidable | manual | P | 73 | 13.7751 | 128 | 0.18 | 96 |
IV.CESI.HHZ. | 2021-08-26T03:43:25.62 | 0.1 | undecidable | manual | P | 326 | 17.5713 | 122 | 0.09 | 97 |
IV.NRCA.HHZ. | 2021-08-26T03:43:25.82 | 0.3 | undecidable | manual | S | 122 | 8.4804 | 142 | -0.35 | 70 |
IV.NRCA.HHZ. | 2021-08-26T03:43:24.18 | 0.1 | undecidable | manual | P | 122 | 8.4804 | 142 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.00034750000000000004 | 1.52 | AML | other | m | 2021-08-26T03:43:26.14 |
IV.NRCA.HHE. | ML:1.5 | 0.0004355 | 0.12 | AML | other | m | 2021-08-26T03:43:26.09 |
IV.CESI.HHN. | ML:0.7 | 0.00004380000000000001 | 0.12 | AML | other | m | 2021-08-26T03:43:28.83 |
IV.CESI.HHE. | ML:0.7 | 0.000039800000000000005 | 0.14 | AML | other | m | 2021-08-26T03:43:29.07 |
IV.GAVE.EHN. | ML:1.1 | 0.00007415 | 0.58 | AML | other | m | 2021-08-26T03:43:30.49 |
IV.GAVE.EHE. | ML:1.0 | 0.0000619 | 1.18 | AML | other | m | 2021-08-26T03:43:30.24 |
IV.MML1.EHN. | ML:0.8 | 0.000028999999999999997 | 0.8 | AML | other | m | 2021-08-26T03:43:31.44 |
IV.MML1.EHE. | ML:0.8 | 0.00003265 | 1.3 | AML | other | m | 2021-08-26T03:43:32.72 |