A magnitude ML 0.9 earthquake occured in region: 5 km NW Montemonaco (AP), on
and geographic coordinates (lat, lon) 42.9280, 13.2800 at 22 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 |
---|---|---|---|---|
Montemonaco | AP | 5 | 604 | 604 |
Montefortino | FM | 5 | 1178 | 1782 |
Amandola | FM | 9 | 3629 | 5411 |
Bolognola | MC | 9 | 142 | 5553 |
Montegallo | AP | 10 | 523 | 6076 |
Castelsantangelo sul Nera | MC | 11 | 281 | 6357 |
Comunanza | AP | 12 | 3166 | 9523 |
Ussita | MC | 12 | 444 | 9967 |
Sarnano | MC | 12 | 3264 | 13231 |
Acquacanina | MC | 14 | 121 | 13352 |
Palmiano | AP | 15 | 196 | 13548 |
Visso | MC | 16 | 1107 | 14655 |
Fiastra | MC | 16 | 559 | 15214 |
Smerillo | FM | 16 | 365 | 15579 |
Montefalcone Appennino | FM | 16 | 424 | 16003 |
Gualdo | MC | 16 | 815 | 16818 |
Arquata del Tronto | AP | 17 | 1178 | 17996 |
Monte San Martino | MC | 18 | 765 | 18761 |
Roccafluvione | AP | 18 | 2010 | 20771 |
Force | AP | 18 | 1354 | 22125 |
Venarotta | AP | 18 | 2066 | 24191 |
Penna San Giovanni | MC | 19 | 1108 | 25299 |
Fiordimonte | MC | 20 | 202 | 25501 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-17 23:08:46 |
42.9278 | 13.2798 | 22 | 2023-04-17 23:43:36 |
Sala Sismica INGV-Roma | 116473031 |
Field | Value |
---|---|
Time (UTC) | 2023-04-17 23:08:46 ± 0.27 |
Latitude | 42.9278 ± 0.0072 |
Longitude | 13.2798 ± 0.0111 |
Depth (km) | 22 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116473031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1007 |
Semi-minor axis of confidence ellipse (meter) | 255 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 307 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17267 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116473031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-17 23:43:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-17T23:08:55.08 | 0.1 | undecidable | manual | S | 342 | 19.1697 | 133 | 0.01 | 99 |
IV.NRCA.HHZ. | 2023-04-17T23:08:54.86 | 0.1 | undecidable | manual | S | 232 | 17.0718 | 137 | 0.2 | 96 |
IV.SRES.HHZ. | 2023-04-17T23:08:54.34 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.MF5.EHZ. | 2023-04-17T23:08:54.76 | 0.3 | undecidable | manual | S | 65 | 16.0728 | 139 | 0.27 | 72 |
IV.MMO1.EHZ. | 2023-04-17T23:08:52.86 | 0.1 | undecidable | manual | S | 130 | 4.995 | 166 | -0.22 | 97 |
IV.MF5.EHZ. | 2023-04-17T23:08:51.05 | 0.1 | undecidable | manual | P | 65 | 16.0728 | 139 | 0.08 | 99 |
IV.CSP1.EHZ. | 2023-04-17T23:08:51.17 | 0.1 | undecidable | manual | P | 342 | 19.1697 | 133 | -0.14 | 97 |
IV.NRCA.HHZ. | 2023-04-17T23:08:51.07 | 0.1 | undecidable | manual | P | 232 | 17.0718 | 137 | 0 | 100 |
IV.MMO1.EHZ. | 2023-04-17T23:08:50.02 | 0.1 | undecidable | manual | P | 130 | 4.995 | 166 | -0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.6 | 0.000025840815000000003 | 0.1664 | AML | other | m | 2023-04-17T23:08:55.19 |
IV.MMO1.EHN. | ML:0.6 | 0.000028343620800000002 | 1.536 | AML | other | m | 2023-04-17T23:08:52.71 |
IV.MF5.EHE. | ML:1.2 | 0.00010204102 | 8.4992 | AML | other | m | 2023-04-17T23:08:57.83 |
IV.MF5.EHN. | ML:1.3 | 0.00010592954 | 1.6768 | AML | other | m | 2023-04-17T23:09:02.95 |