A magnitude ML 0.6 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8300, 13.1380 at 6 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Arquata del Tronto | AP | 15 | 1178 | 8691 |
Cascia | PG | 16 | 3217 | 11908 |
Montegallo | AP | 16 | 523 | 12431 |
Montemonaco | AP | 17 | 604 | 13035 |
Accumoli | RI | 18 | 667 | 13702 |
Cerreto di Spoleto | PG | 18 | 1075 | 14777 |
Sellano | PG | 18 | 1079 | 15856 |
Bolognola | MC | 20 | 142 | 15998 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-03-18 05:07:04 |
42.8303 | 13.1378 | 7 | 2021-03-18 05:16:05 |
Sala Sismica INGV-Roma | 88245021 |
Field | Value |
---|---|
Time (UTC) | 2021-03-18 05:07:04 ± 0.16 |
Latitude | 42.8303 ± 0.0054 |
Longitude | 13.1378 ± 0.0049 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88245021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 414 |
Semi-minor axis of confidence ellipse (meter) | 361 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 218 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.01709 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26620 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 88245021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-18 05:16:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-03-18T05:07:14.28 | 0.3 | undecidable | manual | S | 316 | 27.0507 | 103 | 0.14 | 72 |
IV.CSP1.EHZ. | 2021-03-18T05:07:14.93 | 0.3 | undecidable | manual | S | 11 | 29.5482 | 102 | -0.04 | 73 |
IV.FDMO.HHZ. | 2021-03-18T05:07:12.82 | 0.1 | undecidable | manual | S | 350 | 23.2545 | 106 | -0.03 | 99 |
IV.CESI.HHZ. | 2021-03-18T05:07:10.03 | 0.1 | undecidable | manual | P | 316 | 27.0507 | 103 | -0.03 | 98 |
IV.MMO1.EHZ. | 2021-03-18T05:07:10.76 | 0.1 | undecidable | manual | S | 63 | 17.1717 | 111 | -0.09 | 99 |
IV.CSP1.EHZ. | 2021-03-18T05:07:10.40 | 0.1 | undecidable | manual | P | 11 | 29.5482 | 102 | -0.13 | 96 |
IV.FDMO.HHZ. | 2021-03-18T05:07:09.13 | 0.1 | undecidable | manual | P | 350 | 23.2545 | 106 | -0.18 | 96 |
IV.MMO1.EHZ. | 2021-03-18T05:07:08.18 | 0.1 | undecidable | manual | P | 63 | 17.1717 | 111 | 0.02 | 100 |
IV.MC2.EHZ. | 2021-03-18T05:07:08.73 | 0.1 | undecidable | manual | S | 25 | 9.879 | 123 | 0.14 | 99 |
IV.MC2.EHZ. | 2021-03-18T05:07:07.06 | 0.1 | undecidable | manual | P | 25 | 9.879 | 123 | 0.21 | 97 |
IV.NRCA.HHZ. | 2021-03-18T05:07:06.63 | 0.1 | undecidable | manual | S | 281 | 1.8981 | 163 | -0.2 | 99 |
IV.NRCA.HHZ. | 2021-03-18T05:07:06.04 | 0.1 | positive | manual | P | 281 | 1.8981 | 163 | 0.2 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.6 | 0.0000275 | 0.42 | AML | other | m | 2021-03-18T05:07:13.69 |
IV.FDMO.HHN. | ML:0.5 | 0.0000201095 | 0.1792 | AML | other | m | 2021-03-18T05:07:13.10 |
IV.NRCA.HHE. | ML:0.0 | 0.0015812865 | 0.1024 | AML | other | m | 2021-03-18T05:07:07.07 |
IV.NRCA.HHN. | ML:0.0 | 0.0017895304999999999 | 0.08 | AML | other | m | 2021-03-18T05:07:06.89 |
IV.NRCA.HNE. | ML:0.0 | 0.001471819 | 0.1024 | AML | other | m | 2021-03-18T05:07:07.07 |
IV.NRCA.HNN. | ML:0.0 | 0.0016504485 | 0.08 | AML | other | m | 2021-03-18T05:07:06.89 |
IV.CESI.HHE. | ML:0.6 | 0.000022775645 | 0.1824 | AML | other | m | 2021-03-18T05:07:15.05 |
IV.CESI.HHN. | ML:0.6 | 0.0000222282055 | 0.4224 | AML | other | m | 2021-03-18T05:07:18.21 |