A magnitude ML 0.5 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8170, 13.1110 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 | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Accumoli | RI | 18 | 667 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 18 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-04-09 06:40:40 |
42.8173 | 13.1108 | 11 | 2023-04-09 06:52:06 |
Sala Sismica INGV-Roma | 116196941 |
Field | Value |
---|---|
Time (UTC) | 2023-04-09 06:40:40 ± 0.04 |
Latitude | 42.8173 ± 0.0027 |
Longitude | 13.1108 ± 0.0037 |
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 | 116196941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 315 |
Semi-minor axis of confidence ellipse (meter) | 250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 62 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41099 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116196941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-09 06:52:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2023-04-09T06:40:49.38 | 0.3 | undecidable | manual | S | 356 | 24.3534 | 50 | -0.07 | 98 |
IV.TERO.HHZ. | 2023-04-09T06:40:48.71 | 0.3 | undecidable | manual | P | 118 | 45.621 | 50 | -0.2 | 92 |
IV.PF6.EHN. | 2023-04-09T06:40:47.49 | 0.3 | undecidable | manual | P | 11 | 36.2415 | 50 | 0.03 | 96 |
7F.SIB2.EHZ. | 2023-04-09T06:40:47.44 | 0.3 | undecidable | manual | S | 62 | 17.6712 | 121 | -0.18 | 97 |
IV.MML1.HNE. | 2023-04-09T06:40:47.20 | 0.3 | undecidable | manual | P | 341 | 34.743 | 50 | -0.04 | 97 |
IV.RM33.EHZ. | 2023-04-09T06:40:47.33 | 0.3 | undecidable | manual | P | 166 | 35.2425 | 50 | 0.02 | 97 |
IV.FEMA.HNZ. | 2023-04-09T06:40:47.34 | 0.3 | undecidable | manual | S | 343 | 16.7721 | 123 | -0.02 | 100 |
7F.SIB1.EHZ. | 2023-04-09T06:40:47.20 | 0.3 | undecidable | manual | S | 56 | 15.5733 | 125 | 0.21 | 96 |
7F.SIB3.EHZ. | 2023-04-09T06:40:46.55 | 0.3 | undecidable | manual | S | 64 | 14.4744 | 127 | -0.13 | 98 |
IV.SMA1.EHZ. | 2023-04-09T06:40:46.11 | 0.3 | undecidable | manual | P | 139 | 27.6501 | 50 | -0.03 | 98 |
IV.CSP1.EHZ. | 2023-04-09T06:40:46.90 | 0.3 | undecidable | manual | P | 14 | 31.3464 | 50 | 0.18 | 94 |
IV.GUMA.HHZ. | 2023-04-09T06:40:45.57 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CESI.HHZ. | 2023-04-09T06:40:45.96 | 0.3 | undecidable | manual | P | 321 | 26.751 | 50 | -0.04 | 98 |
IV.FDMO.HHZ. | 2023-04-09T06:40:45.64 | 0.3 | undecidable | manual | P | 356 | 24.3534 | 50 | 0 | 99 |
IV.LNSS.HNN. | 2023-04-09T06:40:45.71 | 0.3 | undecidable | manual | P | 194 | 24.4533 | 50 | 0.06 | 98 |
IV.FEMA.HNZ. | 2023-04-09T06:40:44.31 | 0.3 | undecidable | manual | P | 343 | 16.7721 | 123 | -0.12 | 98 |
IV.NRCA.HHZ. | 2023-04-09T06:40:44.08 | 0.3 | undecidable | manual | S | 9 | 1.7982 | 170 | -0.14 | 100 |
7F.SIB1.EHZ. | 2023-04-09T06:40:44.42 | 0.3 | undecidable | manual | P | 56 | 15.5733 | 125 | 0.21 | 96 |
7F.SIB3.EHZ. | 2023-04-09T06:40:44.09 | 0.3 | undecidable | manual | P | 64 | 14.4744 | 127 | 0.05 | 100 |
7F.SIB2.EHZ. | 2023-04-09T06:40:44.59 | 0.3 | undecidable | manual | P | 62 | 17.6712 | 121 | 0.01 | 100 |
IV.NRCA.HHZ. | 2023-04-09T06:40:42.79 | 0.3 | undecidable | manual | P | 9 | 1.7982 | 170 | 0.17 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.000221 | 0.16 | AML | other | m | 2023-04-09T06:40:44.15 |
IV.NRCA.HHN. | ML:1.4 | 0.00043599999999999997 | 0.14 | AML | other | m | 2023-04-09T06:40:44.21 |
IV.FDMO.HHE. | ML:0.2 | 0.000010876453 | 0.2016 | AML | other | m | 2023-04-09T06:40:50.30 |
IV.FDMO.HHN. | ML:0.4 | 0.000013958794999999999 | 0.1984 | AML | other | m | 2023-04-09T06:40:50.76 |
IV.CESI.HHE. | ML:0.4 | 0.000014593204999999998 | 0.0192 | AML | other | m | 2023-04-09T06:40:50.33 |
IV.CESI.HHN. | ML:0.6 | 0.000018987495 | 0.0992 | AML | other | m | 2023-04-09T06:40:50.74 |
IV.SMA1.EHE. | ML:0.5 | 0.00001653164 | 0 | AML | other | m | 2023-04-09T06:40:51.60 |
IV.SMA1.EHN. | ML:0.6 | 0.00001965229 | 0 | AML | other | m | 2023-04-09T06:40:52.19 |
IV.RM33.EHE. | ML:0.6 | 0.000015247382 | 0.1408 | AML | other | m | 2023-04-09T06:40:53.30 |
IV.RM33.EHN. | ML:0.1 | 0.000005577375000000001 | 0.0192 | AML | other | m | 2023-04-09T06:40:54.14 |