A magnitude ML 1.1 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.1270 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 16 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Sellano | PG | 19 | 1079 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-25 13:13:14 |
42.8032 | 13.1268 | 10 | 2021-02-25 13:22:04 |
Sala Sismica INGV-Roma | 87478151 |
Field | Value |
---|---|
Time (UTC) | 2021-02-25 13:13:14 ± 0.07 |
Latitude | 42.8032 ± 0.0036 |
Longitude | 13.1268 ± 0.0086 |
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 | 87478151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 732 |
Semi-minor axis of confidence ellipse (meter) | 334 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 116 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34714 |
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 | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87478151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-25 13:22:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-02-25T13:13:25.47 | 0.6 | undecidable | manual | S | 11 | 32.6451 | 50 | 0.05 | 48 |
IV.CESI.HHZ. | 2021-02-25T13:13:24.41 | 0.6 | undecidable | manual | S | 321 | 28.749 | 50 | 0.03 | 49 |
IV.FDMO.HHZ. | 2021-02-25T13:13:23.69 | 0.3 | undecidable | manual | S | 353 | 26.0517 | 50 | 0.02 | 73 |
IV.LNSS.HHZ. | 2021-02-25T13:13:22.93 | 0.3 | undecidable | manual | S | 198 | 23.2545 | 113 | 0.13 | 72 |
IV.TERO.HHZ. | 2021-02-25T13:13:22.25 | 3.0 | undecidable | manual | P | 0.31 | 0 | |||
IV.ARRO.EHZ. | 2021-02-25T13:13:21.24 | 0.3 | undecidable | manual | P | 230 | 38.5281 | 50 | -0.26 | 68 |
IV.MMO1.EHZ. | 2021-02-25T13:13:21.35 | 0.3 | undecidable | manual | S | 57 | 19.4694 | 117 | -0.24 | 71 |
IV.MC2.EHZ. | 2021-02-25T13:13:20.00 | 0.6 | undecidable | manual | S | 23 | 13.0758 | 127 | 0.3 | 47 |
IV.CESI.HHZ. | 2021-02-25T13:13:20.01 | 0.3 | undecidable | manual | P | 321 | 28.749 | 50 | 0.01 | 73 |
IV.CSP1.EHZ. | 2021-02-25T13:13:20.55 | 0.3 | undecidable | manual | P | 11 | 32.6451 | 50 | -0.05 | 72 |
IV.FDMO.HHZ. | 2021-02-25T13:13:19.48 | 0.3 | undecidable | manual | P | 353 | 26.0517 | 50 | -0.1 | 72 |
IV.LNSS.HHZ. | 2021-02-25T13:13:19.17 | 0.3 | undecidable | manual | P | 198 | 23.2545 | 113 | 0.09 | 73 |
IV.MMO1.EHZ. | 2021-02-25T13:13:18.34 | 0.3 | undecidable | manual | P | 57 | 19.4694 | 117 | -0.05 | 74 |
IV.NRCA.HHZ. | 2021-02-25T13:13:17.36 | 0.1 | undecidable | manual | S | 343 | 3.4965 | 161 | -0.32 | 96 |
IV.MC2.EHZ. | 2021-02-25T13:13:17.63 | 0.1 | undecidable | manual | P | 23 | 13.0758 | 127 | 0.34 | 94 |
IV.NRCA.HHZ. | 2021-02-25T13:13:16.23 | 0.1 | undecidable | manual | P | 343 | 3.4965 | 161 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.000603 | 0.1 | AML | other | m | 2021-02-25T13:13:17.43 |
IV.NRCA.HHE. | ML:1.4 | 0.00054 | 0.14 | AML | other | m | 2021-02-25T13:13:17.50 |
IV.LNSS.HHE. | ML:1.0 | 0.00006245 | 0.36 | AML | other | m | 2021-02-25T13:13:23.23 |
IV.LNSS.HHN. | ML:1.2 | 0.00010835 | 0.16 | AML | other | m | 2021-02-25T13:13:23.28 |
IV.TERO.HHE. | ML:0.5 | 0.000011785 | 0.96 | AML | other | m | 2021-02-25T13:13:28.11 |
IV.TERO.HHN. | ML:0.7 | 0.000016715000000000002 | 0.54 | AML | other | m | 2021-02-25T13:13:29.21 |
IV.NRCA.HNE. | ML:1.4 | 0.0005451790999999999 | 0.128 | AML | other | m | 2021-02-25T13:13:17.43 |
IV.NRCA.HNN. | ML:1.4 | 0.0005261314 | 0.0896 | AML | other | m | 2021-02-25T13:13:17.43 |
IV.CESI.HHE. | ML:0.7 | 0.000025069555 | 0.3584 | AML | other | m | 2021-02-25T13:13:24.98 |
IV.CESI.HHN. | ML:0.7 | 0.000025237985 | 0.5376 | AML | other | m | 2021-02-25T13:13:24.99 |