A magnitude ML 1.4 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1180 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 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 18 | 1079 | 14729 |
Montegallo | AP | 18 | 523 | 15252 |
Poggiodomo | PG | 18 | 117 | 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 1.4 | 2021-03-06 20:57:44 |
42.81 | 13.118 | 11 | 2021-03-06 21:05:49 |
Sala Sismica INGV-Roma | 87841191 |
Field | Value |
---|---|
Time (UTC) | 2021-03-06 20:57:44 ± 0.05 |
Latitude | 42.8100 ± 0.0027 |
Longitude | 13.1180 ± 0.0037 |
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 | 87841191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 361 |
Semi-minor axis of confidence ellipse (meter) | 247 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
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) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40290 |
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 | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87841191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-06 21:05:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-03-06T20:57:59.18 | 0.1 | undecidable | manual | S | 118 | 44.7219 | 50 | -0.05 | 94 |
IV.CSP1.EHZ. | 2021-03-06T20:57:55.85 | 0.1 | undecidable | manual | S | 13 | 32.0457 | 50 | 0.01 | 97 |
IV.SMA1.EHZ. | 2021-03-06T20:57:54.42 | 0.1 | undecidable | manual | S | 100 | ||||
IV.CESI.HHZ. | 2021-03-06T20:57:54.69 | 0.1 | undecidable | manual | S | 321 | 27.75 | 50 | 0 | 97 |
IV.FDMO.HHE. | 2021-03-06T20:57:53.84 | 0.1 | undecidable | manual | S | 354 | 25.2525 | 50 | -0.18 | 94 |
IV.LNSS.HNN. | 2021-03-06T20:57:53.82 | 0.1 | undecidable | manual | S | 195 | 23.8539 | 50 | 0.17 | 95 |
IV.MTRA.HNZ. | 2021-03-06T20:57:53.49 | 0.1 | undecidable | manual | S | 105 | 23.4543 | 50 | -0.05 | 97 |
IV.TERO.HHZ. | 2021-03-06T20:57:52.80 | 0.1 | undecidable | manual | P | 118 | 44.7219 | 50 | -0.31 | 89 |
IV.MMO1.EHZ. | 2021-03-06T20:57:52.49 | 0.1 | undecidable | manual | S | 60 | 19.6692 | 119 | -0.04 | 98 |
IV.FEMA.HNN. | 2021-03-06T20:57:51.87 | 0.1 | undecidable | manual | S | 342 | 17.7711 | 121 | -0.09 | 97 |
IV.CSP1.EHZ. | 2021-03-06T20:57:51.21 | 1.0 | negative | manual | P | 13 | 32.0457 | 50 | 0.05 | 24 |
IV.MTRA.HNZ. | 2021-03-06T20:57:50.06 | 0.1 | undecidable | manual | P | 105 | 23.4543 | 50 | 0.23 | 94 |
IV.CESI.HHZ. | 2021-03-06T20:57:50.54 | 0.1 | negative | manual | P | 321 | 27.75 | 50 | 0.05 | 97 |
IV.MC2.EHZ. | 2021-03-06T20:57:50.85 | 0.3 | undecidable | manual | S | 27 | 12.6762 | 130 | 0.34 | 70 |
IV.FDMO.HHE. | 2021-03-06T20:57:50.09 | 0.1 | undecidable | manual | P | 354 | 25.2525 | 50 | -0.01 | 98 |
IV.MMO1.EHZ. | 2021-03-06T20:57:49.30 | 0.6 | positive | manual | P | 60 | 19.6692 | 119 | 0.05 | 49 |
IV.FEMA.HNN. | 2021-03-06T20:57:49.06 | 0.1 | undecidable | manual | P | 342 | 17.7711 | 121 | 0.15 | 96 |
IV.LNSS.HNN. | 2021-03-06T20:57:49.80 | 0.1 | undecidable | manual | P | 195 | 23.8539 | 50 | -0.1 | 96 |
IV.NRCA.HHZ. | 2021-03-06T20:57:48.26 | 0.1 | undecidable | manual | S | 353 | 2.5974 | 166 | -0.34 | 95 |
IV.MC2.EHZ. | 2021-03-06T20:57:48.31 | 0.6 | undecidable | manual | P | 27 | 12.6762 | 130 | 0.23 | 48 |
IV.NRCA.HHZ. | 2021-03-06T20:57:47.06 | 0.1 | undecidable | manual | P | 353 | 2.5974 | 166 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.0007735 | 0.16 | AML | other | m | 2021-03-06T20:57:48.43 |
IV.NRCA.HNE. | ML:1.7 | 0.0008079999999999999 | 0.16 | AML | other | m | 2021-03-06T20:57:48.43 |
IV.NRCA.HNN. | ML:1.7 | 0.00089 | 0.14 | AML | other | m | 2021-03-06T20:57:48.42 |
IV.NRCA.HHN. | ML:1.8 | 0.001044 | 0.14 | AML | other | m | 2021-03-06T20:57:48.42 |
IV.CESI.HHE. | ML:1.0 | 0.00005215 | 0.1 | AML | other | m | 2021-03-06T20:57:54.73 |
IV.CESI.HHN. | ML:1.2 | 0.00007300000000000001 | 1.48 | AML | other | m | 2021-03-06T20:57:55.12 |
IV.SMA1.EHN. | ML:0.9 | 0.0000422 | 0.9 | AML | other | m | 2021-03-06T20:57:56.02 |
IV.SMA1.EHE. | ML:1.0 | 0.000048049999999999996 | 0.4 | AML | other | m | 2021-03-06T20:57:57.94 |