A magnitude ML 1.6 earthquake occured in region: 3 km N Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7930, 13.4030 at 20 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 |
---|---|---|---|---|
Acquasanta Terme | AP | 3 | 2916 | 2916 |
Montegallo | AP | 8 | 523 | 3439 |
Arquata del Tronto | AP | 9 | 1178 | 4617 |
Roccafluvione | AP | 10 | 2010 | 6627 |
Valle Castellana | TE | 10 | 977 | 7604 |
Venarotta | AP | 12 | 2066 | 9670 |
Palmiano | AP | 13 | 196 | 9866 |
Montemonaco | AP | 13 | 604 | 10470 |
Rocca Santa Maria | TE | 16 | 537 | 11007 |
Ascoli Piceno | AP | 16 | 49407 | 60414 |
Accumoli | RI | 17 | 667 | 61081 |
Montefortino | FM | 17 | 1178 | 62259 |
Comunanza | AP | 18 | 3166 | 65425 |
Folignano | AP | 19 | 9241 | 74666 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2024-04-17 00:00:23 |
42.7932 | 13.403 | 20 | 2024-04-17 00:14:58 |
Sala Sismica INGV-Roma | 126816611 |
Field | Value |
---|---|
Time (UTC) | 2024-04-17 00:00:23 ± 0.15 |
Latitude | 42.7932 ± 0.0027 |
Longitude | 13.4030 ± 0.0061 |
Depth (km) | 20 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126816611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 492 |
Semi-minor axis of confidence ellipse (meter) | 218 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.03687 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33545 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 126816611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-17 00:14:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2024-04-17T00:00:36.85 | 0.1 | undecidable | manual | S | 334 | 36.8298 | 110 | 0.17 | 93 |
IV.FDMO.HHZ. | 2024-04-17T00:00:36.74 | 0.1 | undecidable | manual | S | 317 | 37.2294 | 110 | -0.04 | 95 |
IV.RM33.EHZ. | 2024-04-17T00:00:36.67 | 0.1 | undecidable | manual | S | 206 | 35.0427 | 111 | 0.43 | 87 |
IV.MF5.EHZ. | 2024-04-17T00:00:33.53 | 0.1 | undecidable | manual | S | 12 | 22.0668 | 125 | 0.36 | 92 |
IV.NRCA.HHZ. | 2024-04-17T00:00:33.55 | 0.1 | undecidable | manual | S | 281 | 23.9538 | 123 | -0.03 | 98 |
IV.TERO.HHZ. | 2024-04-17T00:00:33.81 | 0.1 | undecidable | manual | S | 139 | 25.0527 | 121 | -0.02 | 98 |
IV.SMA1.EHZ. | 2024-04-17T00:00:32.54 | 0.1 | undecidable | manual | S | 197 | 18.87 | 131 | 0.05 | 97 |
IV.CSP1.EHZ. | 2024-04-17T00:00:31.03 | 0.6 | negative | manual | P | 334 | 36.8298 | 110 | -0.26 | 45 |
IV.MMO1.EHZ. | 2024-04-17T00:00:31.29 | 0.1 | undecidable | manual | S | 332 | 13.2756 | 142 | -0.18 | 96 |
IV.FDMO.HHZ. | 2024-04-17T00:00:31.06 | 1.0 | positive | manual | P | 317 | 37.2294 | 110 | -0.29 | 23 |
IV.RM33.EHZ. | 2024-04-17T00:00:30.98 | 1.0 | undecidable | manual | P | 206 | 35.0427 | 111 | -0.06 | 24 |
IV.MTRA.EHZ. | 2024-04-17T00:00:30.20 | 0.1 | undecidable | manual | S | 187 | 4.0959 | 167 | -0.19 | 98 |
IV.TERO.HHZ. | 2024-04-17T00:00:29.42 | 1.0 | positive | manual | P | 139 | 25.0527 | 121 | -0.22 | 23 |
IV.MF5.EHZ. | 2024-04-17T00:00:29.30 | 0.6 | undecidable | manual | P | 12 | 22.0668 | 125 | 0.03 | 49 |
IV.NRCA.HHZ. | 2024-04-17T00:00:29.33 | 0.6 | positive | manual | P | 281 | 23.9538 | 123 | -0.17 | 47 |
IV.MMO1.EHZ. | 2024-04-17T00:00:28.08 | 1.0 | undecidable | manual | P | 332 | 13.2756 | 142 | -0.2 | 24 |
IV.SMA1.EHZ. | 2024-04-17T00:00:28.86 | 0.1 | positive | manual | P | 197 | 18.87 | 131 | -0.02 | 99 |
IV.MTRA.EHZ. | 2024-04-17T00:00:27.58 | 0.1 | positive | manual | P | 187 | 4.0959 | 167 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.6 | 0.0003185 | 0.14 | AML | other | m | 2024-04-17T00:00:30.44 |
IV.MTRA.EHN. | ML:1.6 | 0.0003115 | 0.16 | AML | other | m | 2024-04-17T00:00:30.50 |
IV.NRCA.HHN. | ML:1.7 | 0.000221 | 0.14 | AML | other | m | 2024-04-17T00:00:33.81 |
IV.NRCA.HHE. | ML:1.4 | 0.0001079 | 1.08 | AML | other | m | 2024-04-17T00:00:34.76 |