A magnitude ML 1.4 earthquake occured in region: 4 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7730, 13.1280 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Cascia | PG | 11 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9122 |
Arquata del Tronto | AP | 14 | 1178 | 10300 |
Preci | PG | 14 | 724 | 11024 |
Poggiodomo | PG | 17 | 117 | 11141 |
Cittareale | RI | 17 | 482 | 11623 |
Visso | MC | 18 | 1107 | 12730 |
Cerreto di Spoleto | PG | 18 | 1075 | 13805 |
Montegallo | AP | 19 | 523 | 14328 |
Ussita | MC | 19 | 444 | 14772 |
Monteleone di Spoleto | PG | 20 | 599 | 15371 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-08-30 23:25:11 |
42.7732 | 13.1282 | 10 | 2020-08-30 23:29:04 |
Sala Sismica INGV-Roma | 82483861 |
Field | Value |
---|---|
Time (UTC) | 2020-08-30 23:25:11 ± 0.08 |
Latitude | 42.7732 ± 0.0027 |
Longitude | 13.1282 ± 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 | 82483861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 466 |
Semi-minor axis of confidence ellipse (meter) | 92 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 64 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38041 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 82483861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-30 23:29:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-08-30T23:25:23.49 | 0.1 | undecidable | manual | S | 10 | 35.9418 | 50 | 0.05 | 97 |
IV.SMA1.EHZ. | 2020-08-30T23:25:20.04 | 0.1 | undecidable | manual | S | 133 | 23.1546 | 114 | 0.05 | 99 |
IV.MTRA.EHZ. | 2020-08-30T23:25:19.64 | 0.1 | undecidable | manual | S | 95 | 21.9669 | 115 | 0.03 | 99 |
IV.TERO.HHZ. | 2020-08-30T23:25:19.13 | 0.6 | undecidable | manual | P | 113 | 42.2244 | 50 | -0.11 | 47 |
IV.MMO1.EHZ. | 2020-08-30T23:25:19.24 | 0.1 | undecidable | manual | S | 49 | 21.3675 | 116 | -0.19 | 96 |
IV.CSP1.EHZ. | 2020-08-30T23:25:18.18 | 0.6 | negative | manual | P | 10 | 35.9418 | 50 | -0.09 | 48 |
IV.MC2.EHZ. | 2020-08-30T23:25:18.01 | 0.1 | undecidable | manual | S | 18 | 16.0728 | 122 | 0.17 | 98 |
IV.RM33.EHZ. | 2020-08-30T23:25:17.43 | 1.0 | undecidable | manual | P | 166 | 30.1476 | 50 | 0.05 | 24 |
IV.FDMO.HHZ. | 2020-08-30T23:25:17.12 | 1.0 | negative | manual | P | 354 | 29.4483 | 50 | -0.15 | 24 |
IV.MMO1.EHZ. | 2020-08-30T23:25:16.04 | 1.0 | undecidable | manual | P | 49 | 21.3675 | 116 | 0.08 | 25 |
IV.MTRA.EHZ. | 2020-08-30T23:25:16.40 | 1.0 | negative | manual | P | 95 | 21.9669 | 115 | 0.34 | 23 |
IV.SMA1.EHZ. | 2020-08-30T23:25:15.99 | 1.0 | undecidable | manual | P | 133 | 23.1546 | 114 | -0.29 | 24 |
IV.NRCA.HHZ. | 2020-08-30T23:25:15.34 | 0.1 | undecidable | manual | S | 350 | 6.7932 | 146 | -0.13 | 100 |
IV.MC2.EHZ. | 2020-08-30T23:25:15.23 | 1.0 | positive | manual | P | 18 | 16.0728 | 122 | 0.19 | 24 |
IV.NRCA.HHZ. | 2020-08-30T23:25:13.79 | 0.6 | undecidable | manual | P | 350 | 6.7932 | 146 | 0.12 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.4 | 0.00035150000000000003 | 0.12 | AML | other | m | 2020-08-30T23:25:15.40 |
IV.NRCA.HHN. | ML:1.4 | 0.0004255 | 0.12 | AML | other | m | 2020-08-30T23:25:15.46 |
IV.NRCA.HHE. | ML:1.3 | 0.000329 | 0.06 | AML | other | m | 2020-08-30T23:25:15.58 |
IV.NRCA.HNE. | ML:1.3 | 0.000307 | 0.32 | AML | other | m | 2020-08-30T23:25:15.45 |