A magnitude ML 0.9 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.1150 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 | 2 | 4957 | 4957 |
Preci | PG | 11 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 16 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 16 | 1075 | 13650 |
Poggiodomo | PG | 18 | 117 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 18 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-07-28 19:08:28 |
42.8028 | 13.1152 | 11 | 2021-07-28 19:17:11 |
Sala Sismica INGV-Roma | 93319621 |
Field | Value |
---|---|
Time (UTC) | 2021-07-28 19:08:28 ± 0.05 |
Latitude | 42.8028 ± 0.0018 |
Longitude | 13.1152 ± 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 | 93319621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 313 |
Semi-minor axis of confidence ellipse (meter) | 176 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 76 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41099 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 93319621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-28 19:17:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-07-28T19:09:02.42 | 3.0 | undecidable | manual | S | -0.01 | 0 | |||
IV.CAFI.HHZ. | 2021-07-28T19:09:02.45 | 3.0 | undecidable | manual | S | 0.89 | 0 | |||
IV.TST02.HHZ. | 2021-07-28T19:08:53.30 | 3.0 | undecidable | manual | P | 2.99 | 0 | |||
IV.MCIV.CHZ. | 2021-07-28T19:08:47.67 | 3.0 | undecidable | manual | P | -0.1 | 0 | |||
IV.ASSB.HHZ. | 2021-07-28T19:08:43.36 | 0.3 | undecidable | manual | S | 306 | 45.621 | 50 | 0.2 | 71 |
IV.CSP1.EHZ. | 2021-07-28T19:08:39.79 | 0.3 | undecidable | manual | S | 13 | 32.8449 | 50 | 0.03 | 75 |
IV.CESI.HNZ. | 2021-07-28T19:08:38.17 | 0.3 | undecidable | manual | S | 323 | 28.1496 | 50 | -0.33 | 71 |
IT.MTCL.HGZ. | 2021-07-28T19:08:37.13 | 0.3 | undecidable | manual | S | 336 | 23.1546 | 50 | -0.04 | 76 |
IV.SMA1.EHZ. | 2021-07-28T19:08:37.77 | 0.3 | undecidable | manual | S | 137 | 26.2515 | 50 | -0.21 | 73 |
IV.T1299.HNZ. | 2021-07-28T19:08:37.31 | 0.3 | undecidable | manual | S | 144 | 23.1546 | 50 | 0.16 | 75 |
IV.MTRA.HNZ. | 2021-07-28T19:08:37.38 | 0.3 | undecidable | manual | S | 102 | 23.4543 | 50 | 0.13 | 75 |
IV.GAVE.EHZ. | 2021-07-28T19:08:37.08 | 0.3 | undecidable | manual | S | 236 | 21.7671 | 50 | 0.28 | 73 |
IV.FDMO.HHZ. | 2021-07-28T19:08:37.88 | 0.3 | undecidable | manual | S | 355 | 26.0517 | 50 | -0.04 | 76 |
IV.TERO.HHZ. | 2021-07-28T19:08:36.70 | 3.0 | undecidable | manual | P | -0.06 | 0 | |||
IV.LNSS.HHZ. | 2021-07-28T19:08:36.94 | 0.3 | undecidable | manual | S | 195 | 22.9548 | 50 | -0.18 | 74 |
IV.ASSB.HHZ. | 2021-07-28T19:08:36.83 | 0.3 | undecidable | manual | P | 306 | 45.621 | 50 | -0.12 | 72 |
IV.CSP1.EHZ. | 2021-07-28T19:08:35.03 | 0.3 | undecidable | manual | P | 13 | 32.8449 | 50 | 0.05 | 75 |
IV.CESI.HNZ. | 2021-07-28T19:08:34.33 | 0.3 | undecidable | manual | P | 323 | 28.1496 | 50 | 0.06 | 75 |
IV.MC2.EHZ. | 2021-07-28T19:08:34.64 | 0.3 | undecidable | manual | S | 26 | 13.4754 | 129 | 0.18 | 76 |
IV.GAVE.EHZ. | 2021-07-28T19:08:33.40 | 0.3 | undecidable | manual | P | 236 | 21.7671 | 50 | 0.12 | 75 |
IV.FDMO.HHZ. | 2021-07-28T19:08:33.95 | 0.3 | undecidable | manual | P | 355 | 26.0517 | 50 | 0.02 | 76 |
IV.LNSS.HHZ. | 2021-07-28T19:08:33.44 | 0.3 | undecidable | manual | P | 195 | 22.9548 | 50 | -0.03 | 77 |
IT.MTCL.HGZ. | 2021-07-28T19:08:33.44 | 0.3 | undecidable | manual | P | 336 | 23.1546 | 50 | -0.05 | 76 |
IV.SMA1.EHZ. | 2021-07-28T19:08:33.83 | 0.3 | undecidable | manual | P | 137 | 26.2515 | 50 | -0.13 | 75 |
IV.T1299.HNZ. | 2021-07-28T19:08:33.64 | 0.3 | undecidable | manual | P | 144 | 23.1546 | 50 | 0.16 | 75 |
IV.MTRA.HNZ. | 2021-07-28T19:08:33.32 | 0.3 | undecidable | manual | P | 102 | 23.4543 | 50 | -0.22 | 74 |
IV.NRCA.HHZ. | 2021-07-28T19:08:32.10 | 0.3 | undecidable | manual | S | 359 | 3.3966 | 163 | -0.31 | 75 |
IV.MC2.EHZ. | 2021-07-28T19:08:32.14 | 0.1 | undecidable | manual | P | 26 | 13.4754 | 129 | 0.21 | 100 |
IV.NRCA.HHZ. | 2021-07-28T19:08:30.77 | 0.3 | undecidable | manual | P | 359 | 3.3966 | 163 | 0.03 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.00023349999999999998 | 0.38 | AML | other | m | 2021-07-28T19:08:32.33 |
IV.NRCA.HHN. | ML:1.2 | 0.0002585 | 0.08 | AML | other | m | 2021-07-28T19:08:33.05 |
IV.FDMO.HHE. | ML:0.7 | 0.000031899999999999996 | 0.64 | AML | other | m | 2021-07-28T19:08:38.12 |
IV.FDMO.HHN. | ML:0.9 | 0.0000386 | 1.64 | AML | other | m | 2021-07-28T19:08:38.98 |
IV.SMA1.EHN. | ML:0.7 | 0.0000296 | 1.14 | AML | other | m | 2021-07-28T19:08:39.61 |
IV.SMA1.EHE. | ML:0.9 | 0.0000383 | 0.32 | AML | other | m | 2021-07-28T19:08:40.36 |
IV.NRCA.HNE. | ML:1.0 | 0.00017774146 | 0.0768 | AML | other | m | 2021-07-28T19:08:32.33 |
IV.NRCA.HNN. | ML:1.1 | 0.00022192317 | 0.0896 | AML | other | m | 2021-07-28T19:08:33.04 |
IV.GAVE.EHE. | ML:0.8 | 0.000043667355000000005 | 0.3584 | AML | other | m | 2021-07-28T19:08:40.60 |
IV.GAVE.EHN. | ML:0.7 | 0.00003518076649999999 | 0.1536 | AML | other | m | 2021-07-28T19:08:38.82 |
IV.ASSB.HHE. | ML:0.5 | 0.000008130054000000001 | 0.1152 | AML | other | m | 2021-07-28T19:08:44.03 |
IV.ASSB.HHN. | ML:0.5 | 0.0000082531715 | 0.2176 | AML | other | m | 2021-07-28T19:08:44.22 |