A magnitude ML 1.1 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8080, 13.1240 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 | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Poggiodomo | PG | 19 | 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 1.1 | 2021-10-26 23:46:52 |
42.8083 | 13.124 | 10 | 2021-10-26 23:50:53 |
Sala Sismica INGV-Roma | 97010891 |
Field | Value |
---|---|
Time (UTC) | 2021-10-26 23:46:52 ± 0.07 |
Latitude | 42.8083 ± 0.0027 |
Longitude | 13.1240 ± 0.0061 |
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 | 97010891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 463 |
Semi-minor axis of confidence ellipse (meter) | 268 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 272 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.02608 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39840 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 97010891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-26 23:50:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-10-26T23:47:06.63 | 0.1 | undecidable | manual | S | 118 | 44.2224 | 50 | -0.48 | 88 |
IV.MF5.EHZ. | 2021-10-26T23:47:05.15 | 0.1 | undecidable | manual | S | 54 | 33.744 | 50 | 0.82 | 78 |
IV.RM33.EHZ. | 2021-10-26T23:47:04.63 | 0.1 | undecidable | manual | S | 167 | 34.0437 | 50 | 0.24 | 94 |
IV.MML1.EHZ. | 2021-10-26T23:47:04.78 | 0.1 | undecidable | manual | S | 340 | 36.0417 | 50 | -0.15 | 95 |
IV.CSP1.EHZ. | 2021-10-26T23:47:03.86 | 0.1 | undecidable | manual | S | 12 | 32.1456 | 50 | -0.03 | 98 |
IV.FDMO.HHZ. | 2021-10-26T23:47:02.13 | 0.1 | undecidable | manual | S | 353 | 25.4523 | 50 | 0.01 | 100 |
IV.SMA1.EHZ. | 2021-10-26T23:47:02.15 | 0.1 | undecidable | manual | S | 139 | 26.1516 | 50 | -0.15 | 97 |
IV.CESI.HHZ. | 2021-10-26T23:47:02.74 | 0.1 | undecidable | manual | S | 321 | 28.1496 | 50 | -0.09 | 98 |
IV.LNSS.HHZ. | 2021-10-26T23:47:01.87 | 0.1 | undecidable | manual | S | 197 | 23.754 | 113 | 0.28 | 95 |
IV.GAVE.EHZ. | 2021-10-26T23:47:01.21 | 0.1 | undecidable | manual | S | 236 | 22.755 | 114 | -0.03 | 100 |
IV.TERO.HHZ. | 2021-10-26T23:47:00.87 | 1.0 | undecidable | manual | P | 118 | 44.2224 | 50 | -0.12 | 24 |
IV.MF5.EHZ. | 2021-10-26T23:46:59.83 | 1.0 | positive | manual | P | 54 | 33.744 | 50 | 0.45 | 22 |
IV.MMO1.EHZ. | 2021-10-26T23:46:59.74 | 0.1 | undecidable | manual | S | 58 | 19.3695 | 117 | -0.44 | 92 |
IV.RM33.EHZ. | 2021-10-26T23:46:59.37 | 1.0 | undecidable | manual | P | 167 | 34.0437 | 50 | -0.05 | 24 |
IV.MML1.EHZ. | 2021-10-26T23:46:59.65 | 1.0 | undecidable | manual | P | 340 | 36.0417 | 50 | -0.08 | 24 |
IV.CESI.HHZ. | 2021-10-26T23:46:58.45 | 0.1 | negative | manual | P | 321 | 28.1496 | 50 | -0.06 | 98 |
IV.MC2.EHZ. | 2021-10-26T23:46:58.77 | 0.1 | undecidable | manual | S | 25 | 12.5763 | 129 | 0.56 | 90 |
IV.CSP1.EHZ. | 2021-10-26T23:46:58.95 | 1.0 | undecidable | manual | P | 12 | 32.1456 | 50 | -0.18 | 24 |
IV.SMA1.EHZ. | 2021-10-26T23:46:58.16 | 1.0 | undecidable | manual | P | 139 | 26.1516 | 50 | -0.05 | 25 |
IV.GAVE.EHZ. | 2021-10-26T23:46:57.77 | 1.0 | negative | manual | P | 236 | 22.755 | 114 | 0.17 | 24 |
IV.FDMO.HHZ. | 2021-10-26T23:46:57.86 | 0.6 | positive | manual | P | 353 | 25.4523 | 50 | -0.25 | 48 |
IV.LNSS.HHZ. | 2021-10-26T23:46:57.86 | 1.0 | negative | manual | P | 197 | 23.754 | 113 | 0.06 | 25 |
IV.MC2.EHZ. | 2021-10-26T23:46:56.04 | 0.6 | positive | manual | P | 25 | 12.5763 | 129 | 0.19 | 49 |
IV.MMO1.EHZ. | 2021-10-26T23:46:56.89 | 0.6 | positive | manual | P | 58 | 19.3695 | 117 | -0.1 | 50 |
IV.NRCA.HHZ. | 2021-10-26T23:46:55.95 | 0.1 | undecidable | manual | S | 344 | 2.8971 | 164 | -0.3 | 98 |
IV.NRCA.HHZ. | 2021-10-26T23:46:54.71 | 0.6 | undecidable | manual | P | 344 | 2.8971 | 164 | -0.01 | 52 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.4 | 0.000532 | 0.72 | AML | other | m | 2021-10-26T23:46:56.43 |
IV.NRCA.HHE. | ML:1.5 | 0.000572 | 0.7 | AML | other | m | 2021-10-26T23:46:56.43 |
IV.NRCA.HNN. | ML:1.4 | 0.0004025 | 0.76 | AML | other | m | 2021-10-26T23:46:56.08 |
IV.NRCA.HHN. | ML:1.3 | 0.00037 | 0.12 | AML | other | m | 2021-10-26T23:46:56.08 |
IV.GAVE.EHE. | ML:0.9 | 0.0000543 | 0.88 | AML | other | m | 2021-10-26T23:47:01.82 |
IV.GAVE.EHN. | ML:0.9 | 0.00004835 | 0.14 | AML | other | m | 2021-10-26T23:47:02.18 |
IV.LNSS.HHE. | ML:1.1 | 0.00007489999999999999 | 0.36 | AML | other | m | 2021-10-26T23:47:02.13 |
IV.LNSS.HHN. | ML:1.0 | 0.000053750000000000005 | 0.12 | AML | other | m | 2021-10-26T23:47:02.34 |
IV.CESI.HHN. | ML:0.9 | 0.000043349999999999997 | 1.76 | AML | other | m | 2021-10-26T23:47:03.00 |
IV.CESI.HHE. | ML:0.8 | 0.00003185 | 0.76 | AML | other | m | 2021-10-26T23:47:03.01 |
IV.TERO.HHN. | ML:0.8 | 0.00001855 | 0.54 | AML | other | m | 2021-10-26T23:47:08.58 |
IV.TERO.HHE. | ML:1.6 | 0.000125 | 1.28 | AML | other | m | 2021-10-26T23:47:10.66 |