A magnitude ML 1.2 earthquake occured in region: 1 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8020, 13.1060 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 | 1 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Cerreto di Spoleto | PG | 16 | 1075 | 11361 |
Arquata del Tronto | AP | 16 | 1178 | 12539 |
Ussita | MC | 16 | 444 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Poggiodomo | PG | 17 | 117 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-11-07 01:19:52 |
42.8018 | 13.1058 | 11 | 2021-11-07 01:28:31 |
Sala Sismica INGV-Roma | 97307571 |
Field | Value |
---|---|
Time (UTC) | 2021-11-07 01:19:52 ± 0.07 |
Latitude | 42.8018 ± 0.0036 |
Longitude | 13.1058 ± 0.0061 |
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 | 97307571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 454 |
Semi-minor axis of confidence ellipse (meter) | 389 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29857 |
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 | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 97307571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-07 01:28:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2021-11-07T01:20:10.18 | 3.0 | positive | manual | P | -0.2 | 0 | |||
IV.CESI.HHZ. | 2021-11-07T01:20:02.65 | 0.3 | undecidable | manual | S | 324 | 27.8499 | 50 | -0.02 | 73 |
IV.FDMO.HHZ. | 2021-11-07T01:20:02.04 | 0.1 | undecidable | manual | S | 357 | 26.0517 | 50 | -0.16 | 95 |
IV.MMO1.EHZ. | 2021-11-07T01:20:00.70 | 0.1 | undecidable | manual | S | 59 | 20.9679 | 117 | -0.09 | 98 |
IV.CSP1.EHZ. | 2021-11-07T01:19:59.42 | 0.6 | negative | manual | P | 14 | 33.1446 | 50 | 0.16 | 47 |
IV.FDMO.HHZ. | 2021-11-07T01:19:58.22 | 0.1 | undecidable | manual | P | 357 | 26.0517 | 50 | 0.06 | 97 |
IV.CESI.HHZ. | 2021-11-07T01:19:58.75 | 1.0 | undecidable | manual | P | 324 | 27.8499 | 50 | 0.31 | 23 |
IV.MMO1.EHZ. | 2021-11-07T01:19:57.37 | 0.3 | positive | manual | P | 59 | 20.9679 | 117 | 0.02 | 74 |
IV.LNSS.HHE. | 2021-11-07T01:19:57.54 | 0.1 | undecidable | manual | P | 194 | 22.6551 | 50 | -0.1 | 97 |
IV.MTRA.EHE. | 2021-11-07T01:19:57.92 | 0.3 | undecidable | manual | P | 102 | 24.1536 | 50 | 0.05 | 73 |
IV.NRCA.HHZ. | 2021-11-07T01:19:56.38 | 0.1 | undecidable | manual | S | 11 | 3.5964 | 161 | -0.11 | 100 |
IV.MC2.EHN. | 2021-11-07T01:19:56.36 | 0.3 | undecidable | manual | P | 29 | 13.875 | 127 | 0.22 | 72 |
IV.NRCA.HHZ. | 2021-11-07T01:19:55.07 | 1.0 | undecidable | manual | P | 11 | 3.5964 | 161 | 0.2 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.00030115789999999996 | 0.08 | AML | other | m | 2021-11-07T01:19:56.54 |
IV.NRCA.HHN. | ML:1.5 | 0.0005344567 | 0.08 | AML | other | m | 2021-11-07T01:19:56.41 |
IV.NRCA.HNE. | ML:1.2 | 0.000300738 | 0.08 | AML | other | m | 2021-11-07T01:19:56.42 |
IV.NRCA.HNN. | ML:1.5 | 0.0004895638 | 0.0896 | AML | other | m | 2021-11-07T01:19:56.41 |
IV.FDMO.HHE. | ML:0.4 | 0.0000157297225 | 0.76 | AML | other | m | 2021-11-07T01:20:11.18 |
IV.FDMO.HHN. | ML:0.2 | 0.000011276405 | 0.82 | AML | other | m | 2021-11-07T01:20:11.38 |
IV.CESI.HNE. | ML:1.4 | 0.00012611065 | 0.8792 | AML | other | m | 2021-11-07T01:19:59.44 |
IV.CESI.HNN. | ML:1.5 | 0.00014946545 | 0.72 | AML | other | m | 2021-11-07T01:20:05.59 |
IV.CESI.HHE. | ML:0.7 | 0.000023756924999999998 | 1.02 | AML | other | m | 2021-11-07T01:19:59.43 |
IV.CESI.HHN. | ML:0.3 | 0.000011553191499999998 | 0.16 | AML | other | m | 2021-11-07T01:20:03.62 |
IV.CSP1.EHE. | ML:1.4 | 0.00010316846499999998 | 1.26 | AML | other | m | 2021-11-07T01:20:08.58 |
IV.CSP1.EHN. | ML:1.2 | 0.00007061432499999999 | 1.24 | AML | other | m | 2021-11-07T01:20:12.13 |