A magnitude ML 0.6 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8330, 13.1100 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 | 5 | 4957 | 4957 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Montegallo | AP | 18 | 523 | 14585 |
Accumoli | RI | 19 | 667 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-04-19 20:45:06 |
42.8327 | 13.1105 | 10 | 2021-04-19 21:06:07 |
Sala Sismica INGV-Roma | 89268951 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 20:45:06 ± 0.09 |
Latitude | 42.8327 ± 0.0036 |
Longitude | 13.1105 ± 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 | 89268951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 377 |
Semi-minor axis of confidence ellipse (meter) | 358 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 112 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
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) | 0.00270 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29857 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 89268951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 21:06:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-04-19T20:45:18.98 | 0.3 | undecidable | manual | S | 59 | 33.1446 | 50 | 0.39 | 66 |
IV.CSP1.EHZ. | 2021-04-19T20:45:17.38 | 0.1 | undecidable | manual | S | 15 | 29.748 | 50 | -0.29 | 91 |
IV.T1299.EHN. | 2021-04-19T20:45:16.68 | 0.3 | undecidable | manual | S | 148 | 26.0517 | 110 | 0.12 | 71 |
IV.CESI.HHZ. | 2021-04-19T20:45:16.23 | 0.3 | undecidable | manual | S | 319 | 25.3524 | 111 | -0.1 | 72 |
IV.GAVE.EHN. | 2021-04-19T20:45:15.71 | 0.3 | undecidable | manual | S | 229 | 23.5542 | 112 | -0.01 | 73 |
IV.MTRA.EHE. | 2021-04-19T20:45:15.64 | 0.3 | undecidable | manual | S | 110 | 24.753 | 111 | -0.48 | 66 |
IV.FDMO.HHN. | 2021-04-19T20:45:15.06 | 0.3 | undecidable | manual | S | 355 | 22.6551 | 113 | -0.39 | 68 |
IV.MMO1.EHZ. | 2021-04-19T20:45:14.12 | 0.1 | undecidable | manual | S | 67 | 19.0698 | 116 | -0.2 | 95 |
IV.CSP1.EHZ. | 2021-04-19T20:45:13.05 | 0.3 | undecidable | manual | P | 15 | 29.748 | 50 | -0.08 | 71 |
IV.MF5.EHZ. | 2021-04-19T20:45:13.88 | 0.3 | undecidable | manual | P | 59 | 33.1446 | 50 | 0.23 | 69 |
IV.MC2.EHZ. | 2021-04-19T20:45:12.26 | 0.1 | undecidable | manual | S | 36 | 10.7781 | 131 | 0.34 | 93 |
IV.FDMO.HHN. | 2021-04-19T20:45:12.17 | 0.3 | undecidable | manual | P | 355 | 22.6551 | 113 | 0.32 | 69 |
IV.T1299.EHN. | 2021-04-19T20:45:12.40 | 1.0 | undecidable | manual | P | 148 | 26.0517 | 110 | -0.09 | 24 |
IV.CESI.HHZ. | 2021-04-19T20:45:12.30 | 0.1 | undecidable | manual | P | 319 | 25.3524 | 111 | -0.06 | 96 |
IV.MTRA.EHE. | 2021-04-19T20:45:12.07 | 0.3 | undecidable | manual | P | 110 | 24.753 | 111 | -0.17 | 71 |
IV.MMO1.EHZ. | 2021-04-19T20:45:11.19 | 0.1 | undecidable | manual | P | 67 | 19.0698 | 116 | 0 | 98 |
IV.GAVE.EHN. | 2021-04-19T20:45:11.94 | 1.0 | undecidable | manual | P | 229 | 23.5542 | 112 | -0.07 | 24 |
IV.NRCA.HHE. | 2021-04-19T20:45:10.13 | 0.1 | undecidable | manual | S | 74 | 0.2997 | 178 | -0.09 | 100 |
IV.MC2.EHZ. | 2021-04-19T20:45:10.11 | 0.3 | undecidable | manual | P | 36 | 10.7781 | 131 | 0.31 | 70 |
IV.NRCA.HHE. | 2021-04-19T20:45:09.04 | 0.1 | undecidable | manual | P | 74 | 0.2997 | 178 | 0.21 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.6 | 0.0000264 | 0.98 | AML | other | m | 2021-04-19T20:45:16.95 |
IV.CESI.HHE. | ML:0.2 | 0.000010211893 | 0.0512 | AML | other | m | 2021-04-19T20:45:16.67 |
IV.CSP1.EHN. | ML:0.8 | 0.000032179344999999995 | 0.1408 | AML | other | m | 2021-04-19T20:45:17.91 |