A magnitude ML 0.8 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1120 at 11 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 | 2 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 16 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 18 | 1079 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-03-05 21:22:59 |
42.8097 | 13.1123 | 11 | 2021-03-05 21:28:48 |
Sala Sismica INGV-Roma | 87796081 |
Field | Value |
---|---|
Time (UTC) | 2021-03-05 21:22:59 ± 0.07 |
Latitude | 42.8097 ± 0.0036 |
Longitude | 13.1123 ± 0.0074 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87796081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 566 |
Semi-minor axis of confidence ellipse (meter) | 384 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 94 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.02428 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28958 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87796081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-05 21:28:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-03-05T21:23:10.57 | 0.1 | undecidable | manual | S | 13 | 32.1456 | 50 | 0.03 | 95 |
IV.SMA1.EHZ. | 2021-03-05T21:23:09.12 | 0.3 | undecidable | manual | S | 137 | 26.9508 | 50 | -0.02 | 72 |
IV.CESI.HHZ. | 2021-03-05T21:23:09.31 | 0.1 | undecidable | manual | S | 322 | 27.4503 | 50 | 0.04 | 95 |
IV.FDMO.HHZ. | 2021-03-05T21:23:08.50 | 0.1 | undecidable | manual | S | 355 | 25.2525 | 50 | -0.18 | 93 |
IV.LNSS.HHZ. | 2021-03-05T21:23:08.35 | 0.1 | undecidable | manual | S | 194 | 23.6541 | 50 | 0.08 | 95 |
IV.MMO1.EHZ. | 2021-03-05T21:23:07.20 | 0.1 | undecidable | manual | S | 60 | 20.0688 | 118 | -0.07 | 96 |
IV.GAVE.EHZ. | 2021-03-05T21:23:07.91 | 0.1 | undecidable | manual | S | 234 | 22.0668 | 50 | 0.08 | 96 |
IV.MC2.EHZ. | 2021-03-05T21:23:06.17 | 0.3 | undecidable | manual | S | 29 | 12.876 | 130 | 0.98 | 54 |
IV.CESI.HHZ. | 2021-03-05T21:23:05.07 | 0.1 | positive | manual | P | 322 | 27.4503 | 50 | -0.03 | 96 |
IV.CSP1.EHZ. | 2021-03-05T21:23:05.74 | 0.6 | undecidable | manual | P | 13 | 32.1456 | 50 | -0.08 | 47 |
IV.LNSS.HHZ. | 2021-03-05T21:23:04.43 | 1.0 | undecidable | manual | P | 194 | 23.6541 | 50 | -0.09 | 24 |
IV.GAVE.EHZ. | 2021-03-05T21:23:04.45 | 0.6 | negative | manual | P | 234 | 22.0668 | 50 | 0.19 | 47 |
IV.FDMO.HHZ. | 2021-03-05T21:23:04.60 | 0.3 | positive | manual | P | 355 | 25.2525 | 50 | -0.15 | 70 |
IV.SMA1.EHZ. | 2021-03-05T21:23:04.95 | 0.6 | undecidable | manual | P | 137 | 26.9508 | 50 | -0.06 | 47 |
IV.MMO1.EHZ. | 2021-03-05T21:23:03.69 | 0.6 | negative | manual | P | 60 | 20.0688 | 118 | -0.25 | 46 |
IV.MC2.EHZ. | 2021-03-05T21:23:02.86 | 0.6 | positive | manual | P | 29 | 12.876 | 130 | 0.12 | 48 |
IV.NRCA.HHZ. | 2021-03-05T21:23:02.83 | 0.1 | undecidable | manual | S | 3 | 2.6973 | 166 | -0.37 | 93 |
IV.NRCA.HHZ. | 2021-03-05T21:23:01.60 | 0.1 | undecidable | manual | P | 3 | 2.6973 | 166 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.0005985000000000001 | 0.16 | AML | other | m | 2021-03-05T21:23:02.96 |
IV.NRCA.HHE. | ML:1.2 | 0.0003015 | 0.08 | AML | other | m | 2021-03-05T21:23:03.56 |
IV.FDMO.HHN. | ML:0.5 | 0.00001995 | 0.46 | AML | other | m | 2021-03-05T21:23:08.84 |
IV.LNSS.HHE. | ML:0.8 | 0.000034200000000000005 | 0.96 | AML | other | m | 2021-03-05T21:23:09.51 |
IV.LNSS.HHN. | ML:0.9 | 0.00004835 | 0.14 | AML | other | m | 2021-03-05T21:23:09.40 |
IV.CESI.HHE. | ML:0.7 | 0.00002555 | 1 | AML | other | m | 2021-03-05T21:23:09.87 |
IV.FDMO.HHE. | ML:0.5 | 0.000017899999999999998 | 1.02 | AML | other | m | 2021-03-05T21:23:09.46 |
IV.CESI.HHN. | ML:0.8 | 0.0000313 | 0.48 | AML | other | m | 2021-03-05T21:23:09.69 |