A magnitude ML 0.5 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8120, 13.1230 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 | 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 0.5 | 2024-04-12 13:40:07 |
42.8123 | 13.1228 | 9 | 2024-04-12 13:45:52 |
Sala Sismica INGV-Roma | 126671091 |
Field | Value |
---|---|
Time (UTC) | 2024-04-12 13:40:07 ± 0.19 |
Latitude | 42.8123 ± 0.0090 |
Longitude | 13.1228 ± 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 | 126671091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 940 |
Semi-minor axis of confidence ellipse (meter) | 445 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 193 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 940.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 181 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 126671091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-12 13:45:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2024-04-12T13:40:19.86 | 0.6 | undecidable | manual | S | 340 | 35.5422 | 50 | -0.12 | 47 |
IV.CESI.HHZ. | 2024-04-12T13:40:17.91 | 0.6 | undecidable | manual | S | 320 | 27.75 | 108 | 0.15 | 47 |
IV.FDMO.HHZ. | 2024-04-12T13:40:16.91 | 0.6 | undecidable | manual | S | 353 | 25.0527 | 110 | 0.05 | 49 |
7F.SIB2.EHZ. | 2024-04-12T13:40:14.54 | 0.6 | undecidable | manual | S | 59 | 17.0718 | 118 | 0.19 | 48 |
IV.MMO1.EHZ. | 2024-04-12T13:40:14.52 | 0.6 | undecidable | manual | S | 60 | 19.1697 | 116 | -0.48 | 45 |
IV.MML1.EHZ. | 2024-04-12T13:40:14.55 | 1.0 | positive | manual | P | 340 | 35.5422 | 50 | -0.2 | 23 |
IV.CESI.HHZ. | 2024-04-12T13:40:13.45 | 0.1 | positive | manual | P | 320 | 27.75 | 108 | -0.02 | 97 |
7F.SIB1.EHN. | 2024-04-12T13:40:13.42 | 0.6 | undecidable | manual | S | 53 | 15.0738 | 122 | -0.31 | 47 |
IV.SMA1.EHZ. | 2024-04-12T13:40:12.95 | 0.6 | negative | manual | P | 139 | 26.5512 | 109 | -0.3 | 46 |
7F.SIB2.EHZ. | 2024-04-12T13:40:12.21 | 0.1 | undecidable | manual | P | 59 | 17.0718 | 118 | 0.71 | 82 |
IV.MMO1.EHZ. | 2024-04-12T13:40:12.00 | 1.0 | undecidable | manual | P | 60 | 19.1697 | 116 | 0.13 | 24 |
IV.FDMO.HHZ. | 2024-04-12T13:40:12.83 | 0.1 | undecidable | manual | P | 353 | 25.0527 | 110 | -0.12 | 95 |
7F.SIB1.EHN. | 2024-04-12T13:40:11.10 | 0.1 | undecidable | manual | P | 53 | 15.0738 | 122 | -0.05 | 99 |
IV.NRCA.HHZ. | 2024-04-12T13:40:10.69 | 0.6 | undecidable | manual | S | 343 | 2.4975 | 165 | -0.23 | 49 |
IV.NRCA.HHZ. | 2024-04-12T13:40:09.61 | 0.1 | undecidable | manual | P | 343 | 2.4975 | 165 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.0 | 0.00055880795 | 0.08 | AML | other | m | 2024-04-12T13:40:10.74 |
IV.MMO1.EHE. | ML:0.5 | 0.000026975429999999998 | 0.14 | AML | other | m | 2024-04-12T13:40:15.16 |
IV.MMO1.EHN. | ML:0.6 | 0.000029634500000000002 | 0.14 | AML | other | m | 2024-04-12T13:40:15.25 |
IV.FDMO.HHE. | ML:0.2 | 0.000011842129 | 0.16 | AML | other | m | 2024-04-12T13:40:17.90 |
IV.FDMO.HHN. | ML:0.4 | 0.000013320725000000001 | 0.3 | AML | other | m | 2024-04-12T13:40:17.18 |
IV.CESI.HHE. | ML:0.4 | 0.0000133754065 | 0.2 | AML | other | m | 2024-04-12T13:40:18.04 |
IV.CESI.HHN. | ML:0.6 | 0.000021927505 | 0.24 | AML | other | m | 2024-04-12T13:40:18.01 |