A magnitude ML 1.2 earthquake occured in region: 3 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8330, 13.2960 at 16 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 |
---|---|---|---|---|
Montegallo | AP | 3 | 523 | 523 |
Arquata del Tronto | AP | 7 | 1178 | 1701 |
Montemonaco | AP | 8 | 604 | 2305 |
Acquasanta Terme | AP | 12 | 2916 | 5221 |
Montefortino | FM | 13 | 1178 | 6399 |
Castelsantangelo sul Nera | MC | 14 | 281 | 6680 |
Roccafluvione | AP | 15 | 2010 | 8690 |
Palmiano | AP | 15 | 196 | 8886 |
Accumoli | RI | 16 | 667 | 9553 |
Comunanza | AP | 17 | 3166 | 12719 |
Venarotta | AP | 17 | 2066 | 14785 |
Norcia | PG | 17 | 4957 | 19742 |
Amandola | FM | 17 | 3629 | 23371 |
Ussita | MC | 18 | 444 | 23815 |
Bolognola | MC | 19 | 142 | 23957 |
Valle Castellana | TE | 20 | 977 | 24934 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-04-17 22:32:36 |
42.8332 | 13.2965 | 16 | 2023-04-17 22:47:55 |
Sala Sismica INGV-Roma | 116472061 |
Field | Value |
---|---|
Time (UTC) | 2023-04-17 22:32:36 ± 0.13 |
Latitude | 42.8332 ± 0.0045 |
Longitude | 13.2965 ± 0.0086 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116472061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 556 |
Semi-minor axis of confidence ellipse (meter) | 438 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 64 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32915 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116472061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-17 22:47:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATFO.HHZ. | 2023-04-17T22:32:49.49 | 3.0 | undecidable | manual | P | -0.13 | 0 | |||
IV.FDMO.HHZ. | 2023-04-17T22:32:46.52 | 0.1 | undecidable | manual | S | 323 | 28.2495 | 108 | -0.18 | 94 |
IV.MF5.EHZ. | 2023-04-17T22:32:45.33 | 0.3 | undecidable | manual | S | 38 | 21.6672 | 115 | 0.25 | 70 |
IV.SMA1.EHZ. | 2023-04-17T22:32:45.19 | 0.1 | undecidable | manual | S | 172 | 22.6551 | 114 | -0.13 | 97 |
IV.RM33.EHZ. | 2023-04-17T22:32:43.62 | 0.1 | undecidable | manual | P | 191 | 36.5412 | 102 | -0.01 | 96 |
IV.NRCA.HHZ. | 2023-04-17T22:32:43.92 | 0.3 | undecidable | manual | S | 270 | 14.7741 | 129 | 0.41 | 70 |
IV.TERO.HHZ. | 2023-04-17T22:32:43.16 | 0.1 | undecidable | manual | P | 133 | 34.2435 | 103 | -0.12 | 96 |
IV.MMO1.EHZ. | 2023-04-17T22:32:42.18 | 0.1 | undecidable | manual | S | 19 | 7.7811 | 150 | -0.09 | 99 |
IV.FDMO.HHZ. | 2023-04-17T22:32:42.15 | 0.1 | undecidable | manual | P | 323 | 28.2495 | 108 | -0.24 | 94 |
IV.GUMA.HHZ. | 2023-04-17T22:32:42.09 | 0.1 | undecidable | manual | P | 7 | 25.6521 | 110 | 0.09 | 96 |
IV.MF5.EHZ. | 2023-04-17T22:32:41.47 | 0.3 | undecidable | manual | P | 38 | 21.6672 | 115 | 0.03 | 73 |
IV.SMA1.EHZ. | 2023-04-17T22:32:41.51 | 0.1 | undecidable | manual | P | 172 | 22.6551 | 114 | -0.08 | 98 |
IV.NRCA.HHZ. | 2023-04-17T22:32:40.71 | 0.1 | undecidable | manual | P | 270 | 14.7741 | 129 | 0.17 | 97 |
IV.MMO1.EHZ. | 2023-04-17T22:32:39.74 | 0.1 | undecidable | manual | P | 19 | 7.7811 | 150 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.0001465 | 0.08 | AML | other | m | 2023-04-17T22:32:44.09 |
IV.NRCA.HHE. | ML:0.9 | 0.00006015 | 0.42 | AML | other | m | 2023-04-17T22:32:44.87 |
IV.MF5.EHE. | ML:1.2 | 0.00010025000000000001 | 0.42 | AML | other | m | 2023-04-17T22:32:48.43 |
IV.MF5.EHN. | ML:1.2 | 0.00010035 | 0.42 | AML | other | m | 2023-04-17T22:32:53.25 |