A magnitude ML 0.4 earthquake occured in region: 7 km S Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8370, 13.1640 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 7 | 281 | 281 |
Norcia | PG | 8 | 4957 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Arquata del Tronto | AP | 13 | 1178 | 8691 |
Montegallo | AP | 14 | 523 | 9214 |
Montemonaco | AP | 15 | 604 | 9818 |
Accumoli | RI | 17 | 667 | 10485 |
Cascia | PG | 18 | 3217 | 13702 |
Bolognola | MC | 18 | 142 | 13844 |
Montefortino | FM | 19 | 1178 | 15022 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-04-21 23:32:10 |
42.8367 | 13.1638 | 10 | 2023-04-21 23:50:13 |
Sala Sismica INGV-Roma | 116588381 |
Field | Value |
---|---|
Time (UTC) | 2023-04-21 23:32:10 ± 0.09 |
Latitude | 42.8367 ± 0.0054 |
Longitude | 13.1638 ± 0.0074 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116588381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 628 |
Semi-minor axis of confidence ellipse (meter) | 592 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 348 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.03687 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31206 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116588381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-21 23:50:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHE. | 2023-04-21T23:32:20.27 | 0.6 | undecidable | manual | S | 312 | 28.1496 | 50 | 0.06 | 48 |
IV.SMA1.EHZ. | 2023-04-21T23:32:19.80 | 0.6 | undecidable | manual | S | 149 | 26.751 | 50 | -0.05 | 48 |
IV.CSP1.EHZ. | 2023-04-21T23:32:19.83 | 0.6 | undecidable | manual | S | 7 | 28.5492 | 50 | -0.48 | 44 |
IV.FDMO.HHZ. | 2023-04-21T23:32:18.39 | 0.6 | undecidable | manual | S | 344 | 23.0547 | 113 | -0.32 | 46 |
IV.SAP2.EHZ. | 2023-04-21T23:32:17.38 | 0.1 | undecidable | manual | P | 33 | 34.6431 | 50 | 0.49 | 87 |
IV.CESI.HHE. | 2023-04-21T23:32:16.04 | 0.1 | undecidable | manual | P | 312 | 28.1496 | 50 | 0.14 | 95 |
IV.MF5.EHE. | 2023-04-21T23:32:16.34 | 0.1 | undecidable | manual | P | 55 | 29.3484 | 50 | 0.27 | 92 |
IV.GUMA.HHE. | 2023-04-21T23:32:16.26 | 0.1 | undecidable | manual | P | 29 | 28.6491 | 50 | 0.28 | 92 |
IV.MML1.EHE. | 2023-04-21T23:32:16.81 | 0.1 | undecidable | manual | P | 333 | 34.4433 | 50 | -0.06 | 95 |
IV.CSP1.EHZ. | 2023-04-21T23:32:15.74 | 0.6 | negative | manual | P | 7 | 28.5492 | 50 | -0.21 | 47 |
7F.SIB2.EHZ. | 2023-04-21T23:32:15.24 | 0.6 | undecidable | manual | S | 62 | 12.876 | 128 | -0.41 | 46 |
7F.SIB1.EHN. | 2023-04-21T23:32:15.07 | 0.6 | undecidable | manual | S | 53 | 10.7781 | 133 | -0.03 | 50 |
IV.SMA1.EHZ. | 2023-04-21T23:32:15.60 | 1.0 | positive | manual | P | 149 | 26.751 | 50 | -0.09 | 24 |
IV.MMO1.EHZ. | 2023-04-21T23:32:15.90 | 0.6 | undecidable | manual | S | 62 | 14.9739 | 124 | -0.34 | 46 |
IV.LNSS.HHZ. | 2023-04-21T23:32:15.92 | 0.1 | undecidable | manual | P | 201 | 27.8499 | 50 | 0.08 | 96 |
IV.GAVE.EHE. | 2023-04-21T23:32:14.94 | 0.1 | undecidable | manual | P | 234 | 27.1506 | 50 | -0.81 | 78 |
7F.SIB3.EHZ. | 2023-04-21T23:32:14.49 | 0.6 | undecidable | manual | S | 64 | 9.5793 | 136 | -0.32 | 47 |
IV.FDMO.HHZ. | 2023-04-21T23:32:14.91 | 0.6 | negative | manual | P | 344 | 23.0547 | 113 | -0.12 | 48 |
IV.NRCA.HHZ. | 2023-04-21T23:32:14.20 | 0.6 | undecidable | manual | S | 265 | 4.0959 | 158 | 0.47 | 46 |
IV.MMO1.EHZ. | 2023-04-21T23:32:13.54 | 1.0 | undecidable | manual | P | 62 | 14.9739 | 124 | -0.06 | 25 |
7F.SIB2.EHZ. | 2023-04-21T23:32:13.28 | 0.1 | undecidable | manual | P | 62 | 12.876 | 128 | 0.02 | 100 |
7F.SIB1.EHN. | 2023-04-21T23:32:13.17 | 0.1 | undecidable | manual | P | 53 | 10.7781 | 133 | 0.23 | 96 |
IV.NRCA.HHZ. | 2023-04-21T23:32:12.62 | 0.6 | undecidable | manual | P | 265 | 4.0959 | 158 | 0.46 | 46 |
7F.SIB3.EHZ. | 2023-04-21T23:32:12.74 | 0.1 | undecidable | manual | P | 64 | 9.5793 | 136 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.00010305 | 0.18 | AML | other | m | 2023-04-21T23:32:14.34 |
IV.NRCA.HHE. | ML:0.9 | 0.000126 | 0.1 | AML | other | m | 2023-04-21T23:32:14.47 |
IV.FDMO.HHE. | ML:0.2 | 0.0000099 | 0.18 | AML | other | m | 2023-04-21T23:32:18.55 |
IV.FDMO.HHN. | ML:0.4 | 0.00001315 | 0.18 | AML | other | m | 2023-04-21T23:32:18.56 |
IV.NRCA.HNE. | ML:0.9 | 0.00012567415 | 0.1152 | AML | other | m | 2023-04-21T23:32:14.47 |
IV.MMO1.EHE. | ML:0.0 | 0.000010563316999999999 | 0.1024 | AML | other | m | 2023-04-21T23:32:15.98 |
IV.SMA1.EHE. | ML:0.0 | 0.000006509987 | 0.1664 | AML | other | m | 2023-04-21T23:32:20.47 |
IV.SMA1.EHN. | ML:0.3 | 0.000008092684999999999 | 1.664 | AML | other | m | 2023-04-21T23:32:20.49 |