A magnitude ML 1.0 earthquake occured in region: 3 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7690, 13.1010 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 |
---|---|---|---|---|
Norcia | PG | 3 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 13 | 724 | 8898 |
Accumoli | RI | 15 | 667 | 9565 |
Castelsantangelo sul Nera | MC | 15 | 281 | 9846 |
Poggiodomo | PG | 15 | 117 | 9963 |
Cerreto di Spoleto | PG | 16 | 1075 | 11038 |
Arquata del Tronto | AP | 16 | 1178 | 12216 |
Cittareale | RI | 17 | 482 | 12698 |
Monteleone di Spoleto | PG | 18 | 599 | 13297 |
Visso | MC | 18 | 1107 | 14404 |
Vallo di Nera | PG | 19 | 364 | 14768 |
Sellano | PG | 20 | 1079 | 15847 |
Ussita | MC | 20 | 444 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2022-08-21 04:04:03 |
42.7693 | 13.1013 | 11 | 2022-08-21 04:18:22 |
Sala Sismica INGV-Roma | 108769561 |
Field | Value |
---|---|
Time (UTC) | 2022-08-21 04:04:03 ± 0.04 |
Latitude | 42.7693 ± 0.0018 |
Longitude | 13.1013 ± 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 | 108769561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 368 |
Semi-minor axis of confidence ellipse (meter) | 203 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 288 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33994 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 108769561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-08-21 04:18:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RCAV.EHZ. | 2022-08-21T04:04:31.98 | 3.0 | undecidable | manual | S | -0.07 | 0 | |||
IV.CSP1.EHZ. | 2022-08-21T04:04:16.02 | 0.3 | undecidable | manual | S | 13 | 36.741 | 50 | 0.12 | 95 |
IV.FDMO.HHZ. | 2022-08-21T04:04:14.15 | 0.3 | undecidable | manual | S | 358 | 29.6481 | 50 | 0.14 | 96 |
IV.CESI.HHZ. | 2022-08-21T04:04:14.12 | 0.6 | undecidable | manual | S | 329 | 30.6471 | 50 | -0.15 | 64 |
IV.RM33.EHZ. | 2022-08-21T04:04:14.14 | 0.3 | undecidable | manual | S | 162 | 30.3474 | 50 | -0.04 | 98 |
IV.GAVE.EHZ. | 2022-08-21T04:04:11.26 | 0.3 | undecidable | manual | S | 243 | 18.9699 | 120 | 0.12 | 98 |
IV.GUMA.HHZ. | 2022-08-21T04:04:11.14 | 1.0 | undecidable | manual | P | 30 | 37.7289 | 50 | 0.31 | 31 |
IV.CSP1.EHZ. | 2022-08-21T04:04:10.61 | 0.3 | undecidable | manual | P | 13 | 36.741 | 50 | -0.08 | 96 |
IV.MC2.EHZ. | 2022-08-21T04:04:10.71 | 0.3 | undecidable | manual | S | 24 | 17.2716 | 122 | 0.06 | 100 |
IV.RM33.EHZ. | 2022-08-21T04:04:09.70 | 1.0 | undecidable | manual | P | 162 | 30.3474 | 50 | 0 | 33 |
IV.FDMO.HHZ. | 2022-08-21T04:04:09.45 | 0.3 | undecidable | manual | P | 358 | 29.6481 | 50 | -0.15 | 96 |
IV.CESI.HHZ. | 2022-08-21T04:04:09.60 | 0.6 | undecidable | manual | P | 329 | 30.6471 | 50 | -0.15 | 64 |
IV.MC2.EHZ. | 2022-08-21T04:04:07.75 | 0.6 | positive | manual | P | 24 | 17.2716 | 122 | 0.09 | 66 |
IV.GAVE.EHZ. | 2022-08-21T04:04:07.96 | 0.6 | negative | manual | P | 243 | 18.9699 | 120 | 0.02 | 67 |
IV.NRCA.HHZ. | 2022-08-21T04:04:07.94 | 0.3 | undecidable | manual | S | 8 | 7.1928 | 146 | -0.14 | 100 |
IV.NRCA.HHZ. | 2022-08-21T04:04:06.17 | 0.6 | undecidable | manual | P | 8 | 7.1928 | 146 | -0.01 | 68 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.000177 | 0.1 | AML | other | m | 2022-08-21T04:04:08.05 |
IV.NRCA.HHE. | ML:1.1 | 0.0001945 | 0.08 | AML | other | m | 2022-08-21T04:04:08.14 |
IV.MC2.EHE. | ML:1.1 | 0.00011334999999999999 | 1.38 | AML | other | m | 2022-08-21T04:04:11.89 |
IV.GAVE.EHN. | ML:0.7 | 0.0000388 | 1.36 | AML | other | m | 2022-08-21T04:04:11.83 |
IV.MC2.EHN. | ML:1.2 | 0.00014600000000000003 | 0.82 | AML | other | m | 2022-08-21T04:04:11.84 |
IV.GAVE.EHE. | ML:0.7 | 0.00003755 | 1 | AML | other | m | 2022-08-21T04:04:12.16 |