A magnitude ML 0.9 earthquake occured in region: 1 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.1010 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 | 14 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 16 | 444 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Poggiodomo | PG | 17 | 117 | 13100 |
Accumoli | RI | 17 | 667 | 13767 |
Sellano | PG | 17 | 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 0.9 | 2021-11-01 05:07:32 |
42.8027 | 13.1007 | 10 | 2021-11-01 07:37:47 |
Sala Sismica INGV-Roma | 97134831 |
Field | Value |
---|---|
Time (UTC) | 2021-11-01 05:07:32 ± 0.06 |
Latitude | 42.8027 ± 0.0027 |
Longitude | 13.1007 ± 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 | 97134831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 483 |
Semi-minor axis of confidence ellipse (meter) | 283 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 92 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 97134831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-01 07:37:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-11-01T05:07:44.39 | 0.6 | undecidable | manual | S | 343 | 36.0417 | 50 | -0.02 | 47 |
IV.CSP1.EHZ. | 2021-11-01T05:07:43.74 | 0.3 | undecidable | manual | S | 15 | 33.1446 | 50 | 0.1 | 70 |
IV.CESI.HHZ. | 2021-11-01T05:07:42.17 | 0.3 | undecidable | manual | S | 325 | 27.5502 | 50 | 0.04 | 72 |
IV.SMA1.EHZ. | 2021-11-01T05:07:41.91 | 0.3 | undecidable | manual | S | 135 | 27.0507 | 50 | -0.09 | 71 |
IV.FDMO.HHZ. | 2021-11-01T05:07:41.48 | 0.3 | undecidable | manual | S | 358 | 25.9518 | 50 | -0.24 | 69 |
IV.MMO1.EHZ. | 2021-11-01T05:07:40.10 | 0.3 | undecidable | manual | S | 60 | 21.2676 | 115 | -0.21 | 70 |
IV.LNSS.HHZ. | 2021-11-01T05:07:40.93 | 0.3 | undecidable | manual | S | 193 | 22.6551 | 114 | 0.18 | 70 |
IV.MML1.EHZ. | 2021-11-01T05:07:39.15 | 0.1 | undecidable | manual | P | 343 | 36.0417 | 50 | -0.07 | 94 |
IV.CSP1.EHZ. | 2021-11-01T05:07:38.71 | 0.6 | positive | manual | P | 15 | 33.1446 | 50 | -0.06 | 47 |
IV.CESI.HHZ. | 2021-11-01T05:07:38.00 | 0.1 | undecidable | manual | P | 325 | 27.5502 | 50 | 0.1 | 94 |
IV.SMA1.EHZ. | 2021-11-01T05:07:38.16 | 0.1 | undecidable | manual | P | 135 | 27.0507 | 50 | 0.33 | 90 |
IV.MC2.EHZ. | 2021-11-01T05:07:38.24 | 0.3 | undecidable | manual | S | 31 | 14.0748 | 126 | 0.1 | 72 |
IV.FDMO.HHZ. | 2021-11-01T05:07:37.65 | 0.6 | positive | manual | P | 358 | 25.9518 | 50 | -0.01 | 48 |
IV.GAVE.EHZ. | 2021-11-01T05:07:37.07 | 3.0 | positive | manual | P | 0.19 | 0 | |||
IV.RM33.EHZ. | 2021-11-01T05:07:36.72 | 3.0 | undecidable | manual | P | 0 | ||||
IV.MMO1.EHZ. | 2021-11-01T05:07:36.79 | 0.1 | undecidable | manual | P | 60 | 21.2676 | 115 | -0.06 | 96 |
IV.LNSS.HHZ. | 2021-11-01T05:07:36.68 | 0.1 | undecidable | manual | P | 193 | 22.6551 | 114 | -0.43 | 89 |
IV.MC2.EHZ. | 2021-11-01T05:07:35.96 | 0.6 | undecidable | manual | P | 31 | 14.0748 | 126 | 0.37 | 46 |
IV.NRCA.HHZ. | 2021-11-01T05:07:35.85 | 0.1 | undecidable | manual | S | 18 | 3.5964 | 160 | -0.01 | 100 |
IV.NRCA.HHZ. | 2021-11-01T05:07:34.45 | 0.6 | undecidable | manual | P | 18 | 3.5964 | 160 | 0.17 | 48 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.0002595 | 0.08 | AML | other | m | 2021-11-01T05:07:35.93 |
IV.NRCA.HHE. | ML:1.2 | 0.00025 | 0.08 | AML | other | m | 2021-11-01T05:07:36.20 |
IV.GAVE.EHE. | ML:0.8 | 0.00004935000000000001 | 0.82 | AML | other | m | 2021-11-01T05:07:40.69 |
IV.GAVE.EHN. | ML:0.8 | 0.000046200000000000005 | 1.06 | AML | other | m | 2021-11-01T05:07:40.43 |
IV.LNSS.HHE. | ML:1.0 | 0.00006135 | 0.32 | AML | other | m | 2021-11-01T05:07:41.69 |
IV.LNSS.HHN. | ML:1.0 | 0.00006110000000000001 | 0.6 | AML | other | m | 2021-11-01T05:07:41.27 |
IV.FDMO.HHN. | ML:0.8 | 0.00004075 | 0.1 | AML | other | m | 2021-11-01T05:07:41.94 |
IV.FDMO.HHE. | ML:1.0 | 0.0000514 | 1.22 | AML | other | m | 2021-11-01T05:07:42.67 |
IV.CESI.HHN. | ML:0.9 | 0.0000422 | 0.26 | AML | other | m | 2021-11-01T05:07:42.38 |
IV.CESI.HHE. | ML:0.8 | 0.00002815 | 0.54 | AML | other | m | 2021-11-01T05:07:42.56 |