A magnitude ML 0.3 earthquake occured in region: 6 km SW Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8600, 13.1040 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 6 | 281 | 281 |
Preci | PG | 6 | 724 | 1005 |
Norcia | PG | 8 | 4957 | 5962 |
Visso | MC | 8 | 1107 | 7069 |
Ussita | MC | 10 | 444 | 7513 |
Sellano | PG | 15 | 1079 | 8592 |
Cerreto di Spoleto | PG | 16 | 1075 | 9667 |
Monte Cavallo | MC | 17 | 145 | 9812 |
Cascia | PG | 17 | 3217 | 13029 |
Bolognola | MC | 18 | 142 | 13171 |
Arquata del Tronto | AP | 19 | 1178 | 14349 |
Montemonaco | AP | 19 | 604 | 14953 |
Montegallo | AP | 19 | 523 | 15476 |
Fiordimonte | MC | 20 | 202 | 15678 |
Acquacanina | MC | 20 | 121 | 15799 |
Fiastra | MC | 20 | 559 | 16358 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2023-04-23 21:41:13 |
42.8605 | 13.1045 | 9 | 2023-04-23 21:51:48 |
Sala Sismica INGV-Roma | 116666821 |
Field | Value |
---|---|
Time (UTC) | 2023-04-23 21:41:13 ± 0.12 |
Latitude | 42.8605 ± 0.0036 |
Longitude | 13.1045 ± 0.0025 |
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 | 116666821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 330 |
Semi-minor axis of confidence ellipse (meter) | 249 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 195 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24282 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116666821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-23 21:51:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HNZ. | 2023-04-23T21:41:23.90 | 3.0 | positive | manual | P | -0.01 | 0 | |||
IV.CESI.HHZ. | 2023-04-23T21:41:22.31 | 0.1 | undecidable | manual | S | 315 | 22.755 | 111 | -0.04 | 97 |
IV.FDMO.HHZ. | 2023-04-23T21:41:21.40 | 0.3 | undecidable | manual | S | 356 | 19.5693 | 114 | 0.09 | 73 |
IV.MMO1.EHZ. | 2023-04-23T21:41:20.96 | 0.1 | undecidable | manual | S | 77 | 18.5703 | 115 | -0.04 | 98 |
IV.CSP1.EHZ. | 2023-04-23T21:41:19.47 | 0.6 | negative | manual | P | 18 | 26.9508 | 108 | -0.07 | 48 |
IV.CESI.HHZ. | 2023-04-23T21:41:18.69 | 0.1 | undecidable | manual | P | 315 | 22.755 | 111 | -0.07 | 97 |
IV.FDMO.HHZ. | 2023-04-23T21:41:18.22 | 0.1 | undecidable | manual | P | 356 | 19.5693 | 114 | 0.06 | 97 |
IV.MMO1.EHZ. | 2023-04-23T21:41:17.97 | 0.1 | undecidable | manual | P | 77 | 18.5703 | 115 | -0.01 | 98 |
IV.NRCA.HHZ. | 2023-04-23T21:41:17.05 | 0.1 | undecidable | manual | S | 165 | 3.0969 | 161 | -0.07 | 100 |
IV.NRCA.HHZ. | 2023-04-23T21:41:15.89 | 0.1 | undecidable | manual | P | 165 | 3.0969 | 161 | 0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:0.0 | 0.00022235815 | 0.1024 | AML | other | m | 2023-04-23T21:41:17.33 |
IV.NRCA.HNN. | ML:0.0 | 0.00033509975000000004 | 0.1536 | AML | other | m | 2023-04-23T21:41:17.15 |
IV.MMO1.EHE. | ML:0.3 | 0.000017150575 | 0.0896 | AML | other | m | 2023-04-23T21:41:21.37 |
IV.MMO1.EHN. | ML:0.4 | 0.000019200024999999997 | 0.064 | AML | other | m | 2023-04-23T21:41:21.04 |
IV.CESI.HHE. | ML:0.2 | 0.0000088656295 | 0.1792 | AML | other | m | 2023-04-23T21:41:22.98 |
IV.CESI.HHN. | ML:0.5 | 0.00002051834 | 0.2304 | AML | other | m | 2023-04-23T21:41:22.73 |