A magnitude ML 1.2 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1230 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 1.2 | 2020-10-31 04:20:53 |
42.8067 | 13.1232 | 10 | 2020-10-31 04:25:04 |
Sala Sismica INGV-Roma | 84304321 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 04:20:53 ± 0.12 |
Latitude | 42.8067 ± 0.0090 |
Longitude | 13.1232 ± 0.0098 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84304321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1109 |
Semi-minor axis of confidence ellipse (meter) | 442 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 146 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1110.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30577 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 84304321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 04:25:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2020-10-31T04:21:25.77 | 3.0 | undecidable | manual | S | -0.11 | 0 | |||
IV.MF5.EHZ. | 2020-10-31T04:21:06.42 | 0.6 | undecidable | manual | S | 54 | 33.9438 | 50 | 0.77 | 39 |
IV.CSP1.EHZ. | 2020-10-31T04:21:05.10 | 0.6 | undecidable | manual | S | 12 | 32.3454 | 50 | -0.12 | 48 |
IV.CESI.HHZ. | 2020-10-31T04:21:04.06 | 0.6 | undecidable | manual | S | 321 | 28.2495 | 50 | -0.08 | 48 |
IV.TERO.HHZ. | 2020-10-31T04:21:02.15 | 3.0 | undecidable | manual | P | -0.05 | 0 | |||
IV.GAVE.EHZ. | 2020-10-31T04:21:02.53 | 0.6 | undecidable | manual | S | 236 | 22.5552 | 114 | 0.1 | 49 |
IV.MMO1.EHZ. | 2020-10-31T04:21:01.24 | 0.6 | undecidable | manual | S | 58 | 19.4694 | 117 | -0.23 | 48 |
IV.MF5.EHZ. | 2020-10-31T04:21:00.27 | 0.1 | undecidable | manual | P | 54 | 33.9438 | 50 | -0.41 | 90 |
IV.CSP1.EHZ. | 2020-10-31T04:21:00.43 | 0.1 | undecidable | manual | P | 12 | 32.3454 | 50 | 0 | 98 |
IV.CESI.HHZ. | 2020-10-31T04:20:59.84 | 0.6 | undecidable | manual | P | 321 | 28.2495 | 50 | 0.04 | 49 |
IV.MC2.EHZ. | 2020-10-31T04:20:59.74 | 0.6 | undecidable | manual | S | 25 | 12.7761 | 128 | 0.24 | 48 |
IV.GAVE.EHZ. | 2020-10-31T04:20:58.83 | 0.1 | undecidable | manual | P | 236 | 22.5552 | 114 | 0.01 | 99 |
IV.MMO1.EHZ. | 2020-10-31T04:20:58.28 | 0.6 | negative | manual | P | 58 | 19.4694 | 117 | 0.02 | 50 |
IV.MC2.EHZ. | 2020-10-31T04:20:57.47 | 1.0 | positive | manual | P | 25 | 12.7761 | 128 | 0.35 | 24 |
IV.NRCA.HHZ. | 2020-10-31T04:20:57.16 | 0.6 | undecidable | manual | S | 346 | 3.0969 | 163 | -0.32 | 48 |
IV.NRCA.HHZ. | 2020-10-31T04:20:56.10 | 0.1 | undecidable | manual | P | 346 | 3.0969 | 163 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.000624 | 0.16 | AML | other | m | 2020-10-31T04:20:57.34 |
IV.NRCA.HNE. | ML:1.5 | 0.0005925 | 0.14 | AML | other | m | 2020-10-31T04:20:57.34 |
IV.NRCA.HHN. | ML:1.3 | 0.0003675 | 0.12 | AML | other | m | 2020-10-31T04:20:57.32 |
IV.NRCA.HNN. | ML:1.3 | 0.00034300000000000004 | 0.52 | AML | other | m | 2020-10-31T04:20:57.33 |
IV.CESI.HHN. | ML:0.6 | 0.00001955 | 0.52 | AML | other | m | 2020-10-31T04:21:04.78 |
IV.CESI.HHE. | ML:0.7 | 0.000023650000000000002 | 0.44 | AML | other | m | 2020-10-31T04:21:05.59 |