A magnitude ML 0.9 earthquake occured in region: 4 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8260, 13.0820 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 | 4 | 4957 | 4957 |
Preci | PG | 7 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Cascia | PG | 13 | 3217 | 10286 |
Cerreto di Spoleto | PG | 14 | 1075 | 11361 |
Ussita | MC | 14 | 444 | 11805 |
Sellano | PG | 15 | 1079 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Arquata del Tronto | AP | 19 | 1178 | 14179 |
Vallo di Nera | PG | 19 | 364 | 14543 |
Accumoli | RI | 20 | 667 | 15210 |
Monte Cavallo | MC | 20 | 145 | 15355 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-01-20 19:12:03 |
42.8258 | 13.0825 | 10 | 2021-01-20 19:53:39 |
Sala Sismica INGV-Roma | 86407111 |
Field | Value |
---|---|
Time (UTC) | 2021-01-20 19:12:03 ± 0.1 |
Latitude | 42.8258 ± 0.0045 |
Longitude | 13.0825 ± 0.0049 |
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 | 86407111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 466 |
Semi-minor axis of confidence ellipse (meter) | 383 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 196 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
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) | 0.28059 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86407111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-20 19:53:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MNTT.EHZ. | 2021-01-20T19:12:18.49 | 3.0 | undecidable | manual | S | -2.16 | 0 | |||
IV.CSP1.EHZ. | 2021-01-20T19:12:14.75 | 0.3 | undecidable | manual | S | 19 | 31.1466 | 50 | 0.01 | 97 |
IV.CESI.HHZ. | 2021-01-20T19:12:12.94 | 0.3 | undecidable | manual | S | 324 | 24.5532 | 112 | -0.03 | 98 |
IV.FDMO.HHZ. | 2021-01-20T19:12:12.37 | 0.6 | undecidable | manual | S | 1 | 23.3544 | 113 | -0.22 | 63 |
IV.MMO1.EHZ. | 2021-01-20T19:12:11.82 | 0.3 | undecidable | manual | S | 68 | 21.4674 | 115 | -0.16 | 96 |
IV.CSP1.EHZ. | 2021-01-20T19:12:10.03 | 0.3 | undecidable | manual | P | 19 | 31.1466 | 50 | -0.06 | 96 |
IV.MC2.EHZ. | 2021-01-20T19:12:09.67 | 0.3 | undecidable | manual | S | 42 | 12.876 | 128 | 0.25 | 95 |
IV.CESI.HHZ. | 2021-01-20T19:12:09.12 | 0.3 | undecidable | manual | P | 324 | 24.5532 | 112 | 0.05 | 98 |
IV.LNSS.HHN. | 2021-01-20T19:12:09.13 | 0.6 | undecidable | manual | P | 188 | 24.9528 | 112 | -0.01 | 66 |
IV.FDMO.HHZ. | 2021-01-20T19:12:08.82 | 0.3 | undecidable | manual | P | 1 | 23.3544 | 113 | -0.03 | 98 |
IV.MMO1.EHZ. | 2021-01-20T19:12:08.40 | 0.3 | undecidable | manual | P | 68 | 21.4674 | 115 | -0.1 | 97 |
IV.NRCA.HHZ. | 2021-01-20T19:12:07.08 | 0.6 | undecidable | manual | S | 71 | 2.6973 | 165 | -0.29 | 64 |
IV.MC2.EHZ. | 2021-01-20T19:12:07.31 | 0.3 | undecidable | manual | P | 42 | 12.876 | 128 | 0.29 | 95 |
IV.NRCA.HHZ. | 2021-01-20T19:12:05.95 | 0.3 | undecidable | manual | P | 71 | 2.6973 | 165 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.6 | 0.0007135 | 0.08 | AML | other | m | 2021-01-20T19:12:07.13 |
IV.NRCA.HHN. | ML:1.6 | 0.0007740000000000001 | 0.08 | AML | other | m | 2021-01-20T19:12:07.13 |
IV.NRCA.HHE. | ML:1.2 | 0.0002825 | 0.06 | AML | other | m | 2021-01-20T19:12:07.18 |
IV.NRCA.HNE. | ML:1.2 | 0.00029749999999999997 | 0.64 | AML | other | m | 2021-01-20T19:12:07.18 |
IV.FDMO.HHE. | ML:0.4 | 0.00001611403 | 0.1408 | AML | other | m | 2021-01-20T19:12:12.55 |
IV.FDMO.HHN. | ML:0.5 | 0.00001776 | 0.832 | AML | other | m | 2021-01-20T19:12:12.70 |
IV.CESI.HHE. | ML:0.4 | 0.000015904985 | 0.1152 | AML | other | m | 2021-01-20T19:12:13.16 |
IV.CESI.HHN. | ML:0.6 | 0.000023765825 | 0.1664 | AML | other | m | 2021-01-20T19:12:13.31 |