A magnitude ML 1.4 earthquake occured in region: 1 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7960, 13.1040 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 | 1 | 4957 | 4957 |
Preci | PG | 11 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Cerreto di Spoleto | PG | 16 | 1075 | 11361 |
Arquata del Tronto | AP | 16 | 1178 | 12539 |
Accumoli | RI | 16 | 667 | 13206 |
Poggiodomo | PG | 17 | 117 | 13323 |
Ussita | MC | 17 | 444 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 20 | 523 | 15369 |
Vallo di Nera | PG | 20 | 364 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-02-23 05:11:02 |
42.7958 | 13.104 | 11 | 2021-02-23 05:18:19 |
Sala Sismica INGV-Roma | 87399671 |
Field | Value |
---|---|
Time (UTC) | 2021-02-23 05:11:02 ± 0.06 |
Latitude | 42.7958 ± 0.0027 |
Longitude | 13.1040 ± 0.0074 |
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 | 87399671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 560 |
Semi-minor axis of confidence ellipse (meter) | 212 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.03867 |
Epicentral distance of station farthest from the epicenter (degree) | 0.53330 |
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 | 1.4 |
Uncertainty | 0.6 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87399671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-23 05:18:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-02-23T05:11:13.84 | 0.1 | undecidable | manual | S | 14 | 33.8439 | 50 | 0.1 | 94 |
IV.RM33.EHZ. | 2021-02-23T05:11:13.69 | 0.1 | undecidable | manual | S | 164 | 33.0447 | 50 | 0.16 | 93 |
IV.EL6.EHZ. | 2021-02-23T05:11:12.88 | 0.1 | undecidable | manual | P | 360 | 59.1963 | 50 | 0.1 | 90 |
IV.FDMO.HHZ. | 2021-02-23T05:11:11.60 | 0.1 | undecidable | manual | S | 357 | 26.751 | 50 | -0.24 | 92 |
IV.SMA1.EHZ. | 2021-02-23T05:11:11.78 | 0.1 | undecidable | manual | S | 134 | 26.2515 | 50 | 0.05 | 96 |
IV.MMO1.EHZ. | 2021-02-23T05:11:10.21 | 0.3 | undecidable | manual | S | 58 | 21.4674 | 50 | -0.22 | 70 |
IV.LNSS.HHZ. | 2021-02-23T05:11:10.52 | 0.1 | undecidable | manual | S | 194 | 22.0668 | 50 | -0.06 | 97 |
IV.TERO.HHZ. | 2021-02-23T05:11:10.47 | 0.1 | undecidable | manual | P | 115 | 45.0216 | 50 | -0.13 | 91 |
IV.RM33.EHZ. | 2021-02-23T05:11:08.69 | 0.1 | undecidable | manual | P | 164 | 33.0447 | 50 | -0.06 | 95 |
IV.MC2.EHZ. | 2021-02-23T05:11:08.79 | 0.1 | undecidable | manual | S | 28 | 14.5743 | 127 | 0.24 | 94 |
IV.CSP1.EHZ. | 2021-02-23T05:11:08.96 | 0.1 | undecidable | manual | P | 14 | 33.8439 | 50 | 0.09 | 94 |
IV.CESI.HHZ. | 2021-02-23T05:11:08.08 | 0.1 | undecidable | manual | P | 325 | 28.2495 | 50 | 0.06 | 95 |
IV.SMA1.EHZ. | 2021-02-23T05:11:07.64 | 0.1 | undecidable | manual | P | 134 | 26.2515 | 50 | -0.07 | 96 |
IV.FDMO.HHZ. | 2021-02-23T05:11:07.76 | 0.1 | undecidable | manual | P | 357 | 26.751 | 50 | -0.02 | 97 |
IV.LNSS.HHZ. | 2021-02-23T05:11:07.13 | 0.1 | undecidable | manual | P | 194 | 22.0668 | 50 | 0.08 | 96 |
IV.MMO1.EHZ. | 2021-02-23T05:11:06.87 | 0.1 | undecidable | manual | P | 58 | 21.4674 | 50 | -0.09 | 96 |
IV.MC2.EHZ. | 2021-02-23T05:11:06.22 | 0.1 | undecidable | manual | P | 28 | 14.5743 | 127 | 0.34 | 92 |
IV.NRCA.HHZ. | 2021-02-23T05:11:05.87 | 0.1 | undecidable | manual | S | 11 | 4.2957 | 159 | -0.44 | 92 |
IV.NRCA.HHZ. | 2021-02-23T05:11:04.62 | 0.1 | undecidable | manual | P | 11 | 4.2957 | 159 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.9 | 0.001215 | 0.08 | AML | other | m | 2021-02-23T05:11:05.94 |
IV.NRCA.HNE. | ML:1.9 | 0.0012050000000000001 | 0.08 | AML | other | m | 2021-02-23T05:11:05.94 |
IV.NRCA.HHN. | ML:2.0 | 0.0014550000000000001 | 0.08 | AML | other | m | 2021-02-23T05:11:05.93 |
IV.NRCA.HNN. | ML:1.9 | 0.001265 | 0.06 | AML | other | m | 2021-02-23T05:11:05.97 |
IV.LNSS.HHE. | ML:1.0 | 0.0000634 | 1.62 | AML | other | m | 2021-02-23T05:11:10.03 |
IV.LNSS.HHN. | ML:1.0 | 0.00006425 | 0.64 | AML | other | m | 2021-02-23T05:11:11.43 |
IV.FDMO.HHN. | ML:0.6 | 0.0000214 | 0.62 | AML | other | m | 2021-02-23T05:11:12.17 |
IV.FDMO.HHE. | ML:0.7 | 0.000024215 | 0.42 | AML | other | m | 2021-02-23T05:11:14.37 |