A magnitude ML 0.6 earthquake occured in region: 2 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8150, 13.0950 at 9 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 | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 15 | 444 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Poggiodomo | PG | 17 | 117 | 14179 |
Accumoli | RI | 18 | 667 | 14846 |
Vallo di Nera | PG | 20 | 364 | 15210 |
Montegallo | AP | 20 | 523 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-04-03 02:42:39 |
42.8153 | 13.0952 | 9 | 2021-04-03 02:51:56 |
Sala Sismica INGV-Roma | 88728311 |
Field | Value |
---|---|
Time (UTC) | 2021-04-03 02:42:39 ± 0.13 |
Latitude | 42.8153 ± 0.0054 |
Longitude | 13.0952 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88728311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 686 |
Semi-minor axis of confidence ellipse (meter) | 383 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 99 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
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) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44157 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 88728311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-03 02:51:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MNTT.EHZ. | 2021-04-03T02:42:56.96 | 0.6 | undecidable | manual | S | 56 | 49.0176 | 50 | 1.27 | 30 |
IV.RM33.EHZ. | 2021-04-03T02:42:51.38 | 0.6 | undecidable | manual | S | 164 | 35.3424 | 50 | -0.66 | 41 |
IV.CESI.HNZ. | 2021-04-03T02:42:49.44 | 0.6 | undecidable | manual | S | 324 | 26.1516 | 109 | 0.08 | 49 |
IV.MNTT.EHZ. | 2021-04-03T02:42:49.49 | 1.0 | negative | manual | P | 56 | 49.0176 | 50 | 0.54 | 21 |
IV.LNSS.HHZ. | 2021-04-03T02:42:48.64 | 0.6 | undecidable | manual | S | 191 | 23.9538 | 111 | -0.02 | 49 |
IV.GAVE.HNZ. | 2021-04-03T02:42:48.14 | 0.6 | undecidable | manual | S | 230 | 21.3675 | 113 | 0.34 | 47 |
IV.FDMO.HHZ. | 2021-04-03T02:42:48.62 | 0.3 | undecidable | manual | S | 359 | 24.5532 | 111 | -0.23 | 71 |
IV.MMO1.EHZ. | 2021-04-03T02:42:47.29 | 0.3 | undecidable | manual | S | 64 | 21.0678 | 114 | -0.42 | 69 |
IV.SMA1.EHZ. | 2021-04-03T02:42:46.44 | 0.1 | undecidable | manual | P | 136 | 28.3494 | 108 | 0.73 | 81 |
IV.RM33.EHZ. | 2021-04-03T02:42:46.23 | 1.0 | undecidable | manual | P | 164 | 35.3424 | 50 | -0.61 | 21 |
IV.MC2.EHZ. | 2021-04-03T02:42:45.77 | 0.6 | undecidable | manual | S | 36 | 13.0758 | 125 | 0.46 | 46 |
IV.CESI.HNZ. | 2021-04-03T02:42:45.10 | 0.1 | undecidable | manual | P | 324 | 26.1516 | 109 | -0.19 | 95 |
IV.GAVE.HNZ. | 2021-04-03T02:42:44.45 | 0.1 | undecidable | manual | P | 230 | 21.3675 | 113 | 0.05 | 99 |
IV.FDMO.HHZ. | 2021-04-03T02:42:44.85 | 0.6 | positive | manual | P | 359 | 24.5532 | 111 | -0.15 | 48 |
IV.T1299.EHZ. | 2021-04-03T02:42:44.87 | 0.1 | undecidable | manual | P | 143 | 25.2525 | 110 | -0.25 | 94 |
IV.LNSS.HHZ. | 2021-04-03T02:42:44.80 | 0.3 | positive | manual | P | 191 | 23.9538 | 111 | -0.09 | 73 |
IV.NRCA.HHZ. | 2021-04-03T02:42:43.08 | 0.6 | undecidable | manual | S | 38 | 2.5974 | 165 | 0.01 | 51 |
IV.MC2.EHZ. | 2021-04-03T02:42:43.02 | 0.1 | undecidable | manual | P | 36 | 13.0758 | 125 | 0.06 | 100 |
IV.MMO1.EHZ. | 2021-04-03T02:42:43.94 | 0.1 | undecidable | manual | P | 64 | 21.0678 | 114 | -0.4 | 92 |
IV.NRCA.HHZ. | 2021-04-03T02:42:41.85 | 0.1 | undecidable | manual | P | 38 | 2.5974 | 165 | 0.19 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.0 | 0.0000555 | 0.18 | AML | other | m | 2021-04-03T02:42:49.15 |
IV.LNSS.HHN. | ML:0.9 | 0.000047600000000000005 | 0.14 | AML | other | m | 2021-04-03T02:42:49.61 |
IV.NRCA.HHE. | ML:0.0 | 0.0003333896 | 0.0992 | AML | other | m | 2021-04-03T02:42:43.81 |
IV.NRCA.HHN. | ML:0.0 | 0.00045478399999999996 | 0.1392 | AML | other | m | 2021-04-03T02:42:43.21 |
IV.NRCA.HNE. | ML:0.0 | 0.00033345849999999997 | 0.1104 | AML | other | m | 2021-04-03T02:42:43.81 |
IV.NRCA.HNN. | ML:0.0 | 0.00044435104999999996 | 0.1392 | AML | other | m | 2021-04-03T02:42:43.21 |
IV.FDMO.HHE. | ML:0.4 | 0.00001724777 | 0.1408 | AML | other | m | 2021-04-03T02:42:50.07 |
IV.FDMO.HHN. | ML:0.4 | 0.00001466406 | 0.12 | AML | other | m | 2021-04-03T02:42:48.79 |
IV.RM33.EHE. | ML:0.4 | 0.0000113124886 | 1 | AML | other | m | 2021-04-03T02:42:52.44 |
IV.RM33.EHN. | ML:0.4 | 0.000011921464999999999 | 0.48 | AML | other | m | 2021-04-03T02:42:56.42 |