A magnitude ML 0.7 earthquake occured in region: 3 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.0590 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 |
Preci | PG | 8 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Cerreto di Spoleto | PG | 12 | 1075 | 9973 |
Castelsantangelo sul Nera | MC | 12 | 281 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Sellano | PG | 14 | 1079 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Ussita | MC | 16 | 444 | 13001 |
Vallo di Nera | PG | 17 | 364 | 13365 |
Monteleone di Spoleto | PG | 20 | 599 | 13964 |
Arquata del Tronto | AP | 20 | 1178 | 15142 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-09-11 00:37:25 |
42.8103 | 13.0587 | 11 | 2021-09-11 00:42:14 |
Sala Sismica INGV-Roma | 95286421 |
Field | Value |
---|---|
Time (UTC) | 2021-09-11 00:37:25 ± 0.04 |
Latitude | 42.8103 ± 0.0018 |
Longitude | 13.0587 ± 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 | 95286421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 227 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 103 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30127 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95286421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-11 00:42:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-09-11T00:37:36.65 | 0.3 | undecidable | manual | S | 21 | 33.4443 | 50 | 0.11 | 71 |
IV.SMA1.EHZ. | 2021-09-11T00:37:35.94 | 0.3 | undecidable | manual | S | 131 | 30.1476 | 50 | 0.28 | 69 |
IV.CESI.HHZ. | 2021-09-11T00:37:34.46 | 0.3 | undecidable | manual | S | 330 | 24.9528 | 50 | 0.18 | 71 |
IV.FDMO.HHZ. | 2021-09-11T00:37:34.09 | 0.3 | undecidable | manual | S | 5 | 25.1526 | 50 | -0.26 | 70 |
IV.LNSS.HNN. | 2021-09-11T00:37:33.63 | 0.3 | undecidable | manual | S | 184 | 23.0547 | 50 | -0.15 | 72 |
IV.GAVE.EHZ. | 2021-09-11T00:37:32.63 | 0.3 | undecidable | manual | S | 226 | 18.7701 | 120 | 0.06 | 73 |
IV.SMA1.EHZ. | 2021-09-11T00:37:31.16 | 0.6 | positive | manual | P | 131 | 30.1476 | 50 | -0.03 | 48 |
IV.MC2.EHE. | 2021-09-11T00:37:31.69 | 0.3 | undecidable | manual | S | 43 | 15.4734 | 125 | 0.09 | 73 |
IV.CSP1.EHZ. | 2021-09-11T00:37:31.60 | 0.6 | undecidable | manual | P | 21 | 33.4443 | 50 | -0.1 | 47 |
IV.FDMO.HHZ. | 2021-09-11T00:37:30.32 | 0.3 | undecidable | manual | P | 5 | 25.1526 | 50 | -0.12 | 72 |
IV.CESI.HHZ. | 2021-09-11T00:37:30.43 | 0.3 | undecidable | manual | P | 330 | 24.9528 | 50 | 0.03 | 73 |
IV.LNSS.HNN. | 2021-09-11T00:37:30.00 | 0.1 | undecidable | manual | P | 184 | 23.0547 | 50 | -0.11 | 96 |
IV.MMO1.EHZ. | 2021-09-11T00:37:30.05 | 3.0 | negative | manual | P | 0.02 | 0 | |||
IV.T1299.HNN. | 2021-09-11T00:37:30.60 | 0.3 | undecidable | manual | P | 137 | 26.751 | 50 | -0.07 | 72 |
IV.GAVE.EHZ. | 2021-09-11T00:37:29.52 | 0.3 | positive | manual | P | 226 | 18.7701 | 120 | 0.11 | 73 |
IV.MC2.EHE. | 2021-09-11T00:37:28.99 | 0.1 | undecidable | manual | P | 43 | 15.4734 | 125 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-09-11T00:37:28.99 | 0.1 | undecidable | manual | S | 60 | 5.1948 | 154 | -0.23 | 97 |
IV.NRCA.HHZ. | 2021-09-11T00:37:27.54 | 0.1 | undecidable | manual | P | 60 | 5.1948 | 154 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:0.9 | 0.00006379999999999999 | 0.16 | AML | other | m | 2021-09-11T00:37:32.79 |
IV.GAVE.EHN. | ML:0.9 | 0.00006335000000000001 | 0.26 | AML | other | m | 2021-09-11T00:37:32.82 |
IV.CESI.HHE. | ML:0.5 | 0.0000191 | 0.96 | AML | other | m | 2021-09-11T00:37:34.79 |
IV.FDMO.HHN. | ML:0.6 | 0.00002425 | 0.22 | AML | other | m | 2021-09-11T00:37:34.87 |
IV.CESI.HHN. | ML:0.7 | 0.0000295 | 1.02 | AML | other | m | 2021-09-11T00:37:35.55 |
IV.FDMO.HHE. | ML:0.5 | 0.000020900000000000003 | 0.42 | AML | other | m | 2021-09-11T00:37:35.67 |