A magnitude ML 0.9 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8350, 13.1150 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 16 | 1178 | 14062 |
Montegallo | AP | 18 | 523 | 14585 |
Montemonaco | AP | 19 | 604 | 15189 |
Accumoli | RI | 19 | 667 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Bolognola | MC | 20 | 142 | 16115 |
Monte Cavallo | MC | 20 | 145 | 16260 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-09-14 20:04:43 |
42.8352 | 13.1152 | 9 | 2021-09-14 20:15:28 |
Sala Sismica INGV-Roma | 95433121 |
Field | Value |
---|---|
Time (UTC) | 2021-09-14 20:04:43 ± 0.06 |
Latitude | 42.8352 ± 0.0027 |
Longitude | 13.1152 ± 0.0049 |
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 | 95433121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 350 |
Semi-minor axis of confidence ellipse (meter) | 207 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 262 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49283 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 95433121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-14 20:15:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-09-14T20:05:19.39 | 3.0 | undecidable | manual | S | -0.42 | 0 | |||
IV.ATCC.EHZ. | 2021-09-14T20:04:53.39 | 0.6 | undecidable | manual | P | 315 | 54.7008 | 50 | -0.04 | 47 |
IV.SMA1.EHE. | 2021-09-14T20:04:53.29 | 0.6 | undecidable | manual | S | 142 | 28.9488 | 107 | -0.5 | 45 |
IV.T1299.HNN. | 2021-09-14T20:04:53.08 | 0.3 | undecidable | manual | S | 149 | 26.1516 | 109 | 0.22 | 72 |
IV.LNSS.HNN. | 2021-09-14T20:04:52.77 | 0.3 | undecidable | manual | S | 193 | 26.4513 | 108 | -0.2 | 72 |
IV.CESI.HHZ. | 2021-09-14T20:04:52.60 | 0.3 | undecidable | manual | S | 318 | 25.4523 | 109 | -0.02 | 75 |
IV.TERO.HHZ. | 2021-09-14T20:04:52.16 | 3.0 | undecidable | manual | P | 0.03 | 0 | |||
IV.GAVE.EHZ. | 2021-09-14T20:04:51.99 | 0.3 | undecidable | manual | S | 229 | 23.9538 | 110 | -0.16 | 73 |
IV.FDMO.HHZ. | 2021-09-14T20:04:51.24 | 0.3 | undecidable | manual | S | 354 | 22.4553 | 111 | -0.41 | 70 |
IV.ASSB.HHZ. | 2021-09-14T20:04:51.51 | 0.1 | undecidable | manual | P | 302 | 43.623 | 50 | -0.22 | 93 |
IV.MF5.EHZ. | 2021-09-14T20:04:50.22 | 0.6 | negative | manual | P | 59 | 32.745 | 50 | 0.17 | 48 |
IV.MML1.EHZ. | 2021-09-14T20:04:50.04 | 0.1 | undecidable | manual | P | 339 | 33.0447 | 50 | -0.05 | 99 |
IV.MMO1.EHZ. | 2021-09-14T20:04:50.15 | 0.3 | undecidable | manual | S | 67 | 18.6702 | 115 | -0.29 | 72 |
IV.SMA1.EHE. | 2021-09-14T20:04:49.17 | 0.1 | undecidable | manual | P | 142 | 28.9488 | 107 | -0.18 | 97 |
IV.CSP1.EHZ. | 2021-09-14T20:04:49.31 | 0.1 | undecidable | manual | P | 14 | 29.3484 | 107 | -0.12 | 98 |
IV.T1299.HNN. | 2021-09-14T20:04:48.97 | 0.1 | undecidable | manual | P | 149 | 26.1516 | 109 | 0.16 | 97 |
IV.GAVE.EHZ. | 2021-09-14T20:04:48.60 | 0.1 | undecidable | manual | P | 229 | 23.9538 | 110 | 0.2 | 97 |
IV.FDMO.HHZ. | 2021-09-14T20:04:48.48 | 0.1 | undecidable | manual | P | 354 | 22.4553 | 111 | 0.36 | 94 |
IV.LNSS.HNN. | 2021-09-14T20:04:48.97 | 0.1 | undecidable | manual | P | 193 | 26.4513 | 108 | 0.09 | 99 |
IV.MC2.EHZ. | 2021-09-14T20:04:48.03 | 0.3 | undecidable | manual | S | 35 | 10.3785 | 130 | 0.02 | 77 |
IV.CESI.HHZ. | 2021-09-14T20:04:48.72 | 0.1 | undecidable | manual | P | 318 | 25.4523 | 109 | 0.04 | 100 |
IV.MTRA.EHZ. | 2021-09-14T20:04:48.47 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.MMO1.EHZ. | 2021-09-14T20:04:47.43 | 0.6 | undecidable | manual | P | 67 | 18.6702 | 115 | 0.01 | 51 |
IV.MC2.EHZ. | 2021-09-14T20:04:46.39 | 0.1 | undecidable | manual | P | 35 | 10.3785 | 130 | 0.38 | 96 |
IV.NRCA.HHZ. | 2021-09-14T20:04:46.08 | 0.3 | undecidable | manual | S | 200 | 0.1998 | 179 | -0.26 | 75 |
IV.NRCA.HHZ. | 2021-09-14T20:04:45.32 | 0.1 | undecidable | manual | P | 200 | 0.1998 | 179 | 0.27 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.6 | 0.0000285 | 0.24 | AML | other | m | 2021-09-14T20:04:52.12 |
IV.GAVE.EHN. | ML:0.9 | 0.000045350000000000005 | 0.24 | AML | other | m | 2021-09-14T20:04:52.68 |
IV.FDMO.HHE. | ML:0.6 | 0.00002265 | 0.66 | AML | other | m | 2021-09-14T20:04:52.58 |
IV.MTRA.EHE. | ML:0.9 | 0.00005115 | 0.14 | AML | other | m | 2021-09-14T20:04:52.78 |
IV.MTRA.EHN. | ML:1.1 | 0.00007625 | 0.24 | AML | other | m | 2021-09-14T20:04:52.89 |
IV.CESI.HHE. | ML:0.9 | 0.0000498 | 1.6 | AML | other | m | 2021-09-14T20:04:52.09 |
IV.GAVE.EHE. | ML:1.0 | 0.0000633 | 0.2 | AML | other | m | 2021-09-14T20:04:53.18 |
IV.CESI.HHN. | ML:1.1 | 0.00007960000000000001 | 0.44 | AML | other | m | 2021-09-14T20:04:53.02 |
IV.ATCC.EHN. | ML:0.8 | 0.000014190000000000001 | 0.42 | AML | other | m | 2021-09-14T20:04:54.55 |
IV.MML1.EHE. | ML:0.7 | 0.000018605 | 0.42 | AML | other | m | 2021-09-14T20:04:55.33 |
IV.MML1.EHN. | ML:0.5 | 0.0000168 | 0.5 | AML | other | m | 2021-09-14T20:04:55.59 |
IV.TERO.HHN. | ML:0.8 | 0.00001905 | 0.16 | AML | other | m | 2021-09-14T20:04:58.58 |
IV.ATCC.EHE. | ML:0.8 | 0.00001255 | 1.34 | AML | other | m | 2021-09-14T20:05:05.19 |
IV.RMP.HHN. | ML:3.1 | 0.000905 | 1.58 | AML | other | m | 2021-09-14T20:05:07.19 |
IV.TERO.HHE. | ML:2.0 | 0.00026450000000000003 | 0.56 | AML | other | m | 2021-09-14T20:05:14.18 |
IV.RMP.HHE. | ML:2.9 | 0.0006285 | 0.62 | AML | other | m | 2021-09-14T20:05:24.05 |