A magnitude ML 1.2 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8120, 13.1220 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Cascia | PG | 14 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Accumoli | RI | 17 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2022-04-23 00:00:22 |
42.8122 | 13.122 | 11 | 2022-04-23 00:04:25 |
Sala Sismica INGV-Roma | 103622251 |
Field | Value |
---|---|
Time (UTC) | 2022-04-23 00:00:22 ± 0.05 |
Latitude | 42.8122 ± 0.0027 |
Longitude | 13.1220 ± 0.0049 |
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 | 103622251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 392 |
Semi-minor axis of confidence ellipse (meter) | 336 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 61 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 103622251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-23 00:04:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2022-04-23T00:00:32.76 | 0.6 | undecidable | manual | S | 321 | 27.75 | 50 | -0.03 | 49 |
IV.SMA1.EHZ. | 2022-04-23T00:00:32.44 | 0.6 | undecidable | manual | S | 139 | 26.6511 | 50 | -0.05 | 48 |
IV.LNSS.HHZ. | 2022-04-23T00:00:31.92 | 0.6 | undecidable | manual | S | 196 | 24.1536 | 50 | 0.08 | 48 |
IV.TERO.HHZ. | 2022-04-23T00:00:31.02 | 0.3 | undecidable | manual | P | 118 | 44.5221 | 50 | -0.14 | 69 |
IV.FDMO.HHZ. | 2022-04-23T00:00:31.81 | 0.6 | undecidable | manual | S | 354 | 25.0527 | 50 | -0.26 | 47 |
IV.MMO1.EHZ. | 2022-04-23T00:00:30.40 | 0.6 | undecidable | manual | S | 60 | 19.2696 | 119 | -0.01 | 50 |
7F.SIB2.EHN. | 2022-04-23T00:00:29.53 | 0.6 | undecidable | manual | S | 59 | 17.1717 | 121 | -0.25 | 47 |
IV.MF5.EHZ. | 2022-04-23T00:00:29.83 | 0.3 | undecidable | manual | P | 55 | 33.6441 | 50 | 0.35 | 68 |
IV.FDMO.HHZ. | 2022-04-23T00:00:28.08 | 0.1 | undecidable | manual | P | 354 | 25.0527 | 50 | -0.07 | 97 |
IV.SMA1.EHZ. | 2022-04-23T00:00:28.39 | 0.3 | undecidable | manual | P | 139 | 26.6511 | 50 | -0.01 | 73 |
IV.CESI.HHZ. | 2022-04-23T00:00:28.54 | 0.1 | undecidable | manual | P | 321 | 27.75 | 50 | -0.03 | 97 |
7F.SIB3.EHN. | 2022-04-23T00:00:28.63 | 0.6 | undecidable | manual | S | 60 | 13.875 | 127 | -0.21 | 48 |
IV.LNSS.HHZ. | 2022-04-23T00:00:28.00 | 0.3 | undecidable | manual | P | 196 | 24.1536 | 50 | -0.02 | 74 |
IV.MC2.EHZ. | 2022-04-23T00:00:28.66 | 0.6 | undecidable | manual | S | 26 | 12.2766 | 130 | 0.26 | 48 |
IV.MMO1.EHZ. | 2022-04-23T00:00:27.14 | 0.1 | undecidable | manual | P | 60 | 19.2696 | 119 | -0.05 | 98 |
7F.SIB3.EHN. | 2022-04-23T00:00:26.30 | 0.1 | undecidable | manual | P | 60 | 13.875 | 127 | 0.01 | 100 |
IV.MC2.EHZ. | 2022-04-23T00:00:26.29 | 0.1 | undecidable | manual | P | 26 | 12.2766 | 130 | 0.26 | 95 |
7F.SIB1.EHZ. | 2022-04-23T00:00:26.62 | 0.1 | undecidable | manual | P | 53 | 15.0738 | 125 | 0.13 | 97 |
IV.NRCA.HHZ. | 2022-04-23T00:00:26.25 | 0.3 | undecidable | manual | S | 345 | 2.4975 | 167 | -0.28 | 72 |
7F.SIB2.EHN. | 2022-04-23T00:00:26.78 | 0.1 | undecidable | manual | P | 59 | 17.1717 | 121 | -0.05 | 99 |
IV.NRCA.HHZ. | 2022-04-23T00:00:25.08 | 0.1 | undecidable | manual | P | 345 | 2.4975 | 167 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.0003285 | 0.14 | AML | other | m | 2022-04-23T00:00:26.39 |
IV.NRCA.HHE. | ML:1.0 | 0.0001855 | 0.92 | AML | other | m | 2022-04-23T00:00:26.99 |
IV.MC2.EHE. | ML:1.1 | 0.0001515 | 0.66 | AML | other | m | 2022-04-23T00:00:30.51 |
IV.MC2.EHN. | ML:1.2 | 0.00017055 | 0.46 | AML | other | m | 2022-04-23T00:00:30.88 |