A magnitude ML 1.3 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7720, 13.1540 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 | 5 | 4957 | 4957 |
Accumoli | RI | 12 | 667 | 5624 |
Arquata del Tronto | AP | 12 | 1178 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Castelsantangelo sul Nera | MC | 14 | 281 | 10300 |
Preci | PG | 15 | 724 | 11024 |
Montegallo | AP | 17 | 523 | 11547 |
Cittareale | RI | 17 | 482 | 12029 |
Visso | MC | 19 | 1107 | 13136 |
Poggiodomo | PG | 19 | 117 | 13253 |
Ussita | MC | 19 | 444 | 13697 |
Amatrice | RI | 19 | 2657 | 16354 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-02-27 21:39:27 |
42.7723 | 13.1538 | 10 | 2021-02-27 21:45:23 |
Sala Sismica INGV-Roma | 87551891 |
Field | Value |
---|---|
Time (UTC) | 2021-02-27 21:39:27 ± 0.07 |
Latitude | 42.7723 ± 0.0036 |
Longitude | 13.1538 ± 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 | 87551891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 249 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 330 |
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) | 88 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.06745 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36243 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87551891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-27 21:45:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-02-27T21:39:40.76 | 0.6 | undecidable | manual | S | 114 | 40.2264 | 50 | -0.22 | 46 |
IV.MF5.EHZ. | 2021-02-27T21:39:40.44 | 0.6 | undecidable | manual | S | 46 | 34.5432 | 50 | 1 | 36 |
IV.ARRO.EHZ. | 2021-02-27T21:39:39.96 | 0.6 | undecidable | manual | S | 236 | 38.2284 | 50 | -0.47 | 44 |
IV.RM33.EHZ. | 2021-02-27T21:39:38.04 | 0.6 | undecidable | manual | S | 170 | 29.6481 | 50 | -0.1 | 48 |
IV.GAVE.EHZ. | 2021-02-27T21:39:36.18 | 0.6 | undecidable | manual | S | 247 | 22.9548 | 113 | -0.02 | 50 |
IV.MTRA.EHZ. | 2021-02-27T21:39:35.16 | 0.3 | undecidable | manual | S | 95 | 19.869 | 117 | -0.07 | 74 |
IV.LNSS.HHZ. | 2021-02-27T21:39:35.70 | 0.3 | undecidable | manual | S | 206 | 20.9679 | 115 | 0.13 | 73 |
IV.SMA1.EHZ. | 2021-02-27T21:39:35.78 | 0.3 | undecidable | manual | S | 137 | 21.5673 | 115 | 0.01 | 75 |
IV.MMO1.EHZ. | 2021-02-27T21:39:35.05 | 0.3 | undecidable | manual | S | 45 | 19.9689 | 117 | -0.2 | 72 |
IV.MF5.EHZ. | 2021-02-27T21:39:34.75 | 1.0 | undecidable | manual | P | 46 | 34.5432 | 50 | 0.35 | 23 |
IV.TERO.HHZ. | 2021-02-27T21:39:34.84 | 1.0 | undecidable | manual | P | 114 | 40.2264 | 50 | -0.45 | 22 |
IV.CSP1.EHZ. | 2021-02-27T21:39:34.35 | 0.6 | negative | manual | P | 7 | 35.742 | 50 | -0.23 | 46 |
IV.ARRO.EHZ. | 2021-02-27T21:39:34.93 | 0.6 | positive | manual | P | 236 | 38.2284 | 50 | -0.05 | 48 |
IV.RM33.EHZ. | 2021-02-27T21:39:33.79 | 1.0 | undecidable | manual | P | 170 | 29.6481 | 50 | 0.14 | 24 |
IV.GAVE.EHZ. | 2021-02-27T21:39:32.74 | 0.6 | undecidable | manual | P | 247 | 22.9548 | 113 | 0.21 | 48 |
IV.LNSS.HHZ. | 2021-02-27T21:39:32.35 | 0.1 | undecidable | manual | P | 206 | 20.9679 | 115 | 0.18 | 96 |
IV.SMA1.EHZ. | 2021-02-27T21:39:32.47 | 1.0 | undecidable | manual | P | 137 | 21.5673 | 115 | 0.18 | 24 |
IV.MMO1.EHZ. | 2021-02-27T21:39:31.90 | 0.6 | positive | manual | P | 45 | 19.9689 | 117 | -0.09 | 49 |
IV.MTRA.EHZ. | 2021-02-27T21:39:31.96 | 0.1 | undecidable | manual | P | 95 | 19.869 | 117 | -0.01 | 100 |
IV.NRCA.HHZ. | 2021-02-27T21:39:31.64 | 0.3 | undecidable | manual | S | 335 | 7.4814 | 143 | -0.21 | 73 |
IV.NRCA.HHZ. | 2021-02-27T21:39:30.18 | 0.1 | negative | manual | P | 335 | 7.4814 | 143 | 0.16 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.00042200000000000007 | 0.16 | AML | other | m | 2021-02-27T21:39:31.82 |
IV.NRCA.HHE. | ML:1.6 | 0.000621 | 0.12 | AML | other | m | 2021-02-27T21:39:31.98 |
IV.MTRA.EHN. | ML:0.9 | 0.000056000000000000006 | 1.12 | AML | other | m | 2021-02-27T21:39:35.20 |
IV.LNSS.HHN. | ML:1.3 | 0.0001285 | 1.46 | AML | other | m | 2021-02-27T21:39:35.10 |
IV.LNSS.HHE. | ML:1.4 | 0.00016649999999999998 | 1.84 | AML | other | m | 2021-02-27T21:39:35.95 |
IV.MTRA.EHE. | ML:1.1 | 0.00008375 | 1.36 | AML | other | m | 2021-02-27T21:39:36.84 |
IV.GAVE.EHE. | ML:1.3 | 0.000142 | 0.52 | AML | other | m | 2021-02-27T21:39:36.82 |
IV.GAVE.EHN. | ML:1.4 | 0.000174 | 0.24 | AML | other | m | 2021-02-27T21:39:36.56 |