A magnitude ML 1.2 earthquake occured in region: 3 km E Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7760, 13.4500 at 19 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 |
Valle Castellana | TE | 6 | 977 | 3893 |
Roccafluvione | AP | 10 | 2010 | 5903 |
Rocca Santa Maria | TE | 12 | 537 | 6440 |
Montegallo | AP | 12 | 523 | 6963 |
Arquata del Tronto | AP | 12 | 1178 | 8141 |
Venarotta | AP | 12 | 2066 | 10207 |
Ascoli Piceno | AP | 14 | 49407 | 59614 |
Palmiano | AP | 14 | 196 | 59810 |
Folignano | AP | 16 | 9241 | 69051 |
Montemonaco | AP | 17 | 604 | 69655 |
Civitella del Tronto | TE | 18 | 5116 | 74771 |
Cortino | TE | 18 | 656 | 75427 |
Accumoli | RI | 19 | 667 | 76094 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-04-20 08:38:14 |
42.7755 | 13.4502 | 19 | 2023-04-20 08:42:28 |
Sala Sismica INGV-Roma | 116543661 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 08:38:14 ± 0.17 |
Latitude | 42.7755 ± 0.0045 |
Longitude | 13.4502 ± 0.0086 |
Depth (km) | 19 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116543661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 780 |
Semi-minor axis of confidence ellipse (meter) | 256 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 246 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
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) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.16727 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48653 |
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 | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116543661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 08:42:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2023-04-20T08:38:32.14 | 0.6 | undecidable | manual | S | 314 | 54.0015 | 101 | 0.35 | 44 |
IV.CSP1.EHZ. | 2023-04-20T08:38:28.78 | 0.6 | undecidable | manual | S | 330 | 40.3263 | 106 | 0.54 | 44 |
IV.FDMO.HHZ. | 2023-04-20T08:38:28.30 | 0.6 | undecidable | manual | S | 315 | 41.3253 | 105 | -0.19 | 48 |
IV.GIGS.HHZ. | 2023-04-20T08:38:27.17 | 0.6 | undecidable | manual | S | 164 | 37.1295 | 108 | -0.25 | 47 |
IV.RM33.EHZ. | 2023-04-20T08:38:27.25 | 0.6 | undecidable | manual | S | 213 | 35.2425 | 109 | 0.31 | 46 |
IV.NRCA.HHZ. | 2023-04-20T08:38:25.12 | 0.6 | undecidable | manual | S | 283 | 28.0497 | 115 | -0.04 | 50 |
IV.MML1.EHZ. | 2023-04-20T08:38:24.26 | 0.1 | undecidable | manual | P | 314 | 54.0015 | 101 | -0.31 | 90 |
IV.MF5.EHZ. | 2023-04-20T08:38:24.46 | 0.6 | undecidable | manual | S | 2 | 23.5542 | 120 | 0.37 | 47 |
IV.SMA1.EHZ. | 2023-04-20T08:38:23.05 | 0.6 | undecidable | manual | S | 210 | 18.5703 | 128 | 0.06 | 50 |
IV.TERO.HHZ. | 2023-04-20T08:38:23.51 | 0.6 | undecidable | manual | S | 143 | 21.0678 | 124 | -0.02 | 50 |
IV.FDMO.HHZ. | 2023-04-20T08:38:22.35 | 0.1 | undecidable | manual | P | 315 | 41.3253 | 105 | -0.32 | 92 |
IV.RM33.EHZ. | 2023-04-20T08:38:22.13 | 1.0 | undecidable | manual | P | 213 | 35.2425 | 109 | 0.35 | 23 |
IV.CSP1.EHZ. | 2023-04-20T08:38:22.28 | 1.0 | positive | manual | P | 330 | 40.3263 | 106 | -0.24 | 23 |
IV.GIGS.HHZ. | 2023-04-20T08:38:21.64 | 1.0 | undecidable | manual | P | 164 | 37.1295 | 108 | -0.41 | 23 |
IV.NRCA.HHZ. | 2023-04-20T08:38:20.65 | 0.3 | negative | manual | P | 283 | 28.0497 | 115 | -0.1 | 75 |
IV.MF5.EHZ. | 2023-04-20T08:38:20.24 | 0.1 | undecidable | manual | P | 2 | 23.5542 | 120 | 0.11 | 100 |
IV.SMA1.EHZ. | 2023-04-20T08:38:19.62 | 0.6 | positive | manual | P | 210 | 18.5703 | 128 | 0.12 | 50 |
IV.TERO.HHZ. | 2023-04-20T08:38:19.80 | 0.6 | undecidable | manual | P | 143 | 21.0678 | 124 | 0 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.1 | 0.0000736 | 0.52 | AML | other | m | 2023-04-20T08:38:23.32 |
IV.SMA1.EHE. | ML:1.1 | 0.00007875 | 0.28 | AML | other | m | 2023-04-20T08:38:23.47 |
IV.TERO.HHE. | ML:1.1 | 0.00007214999999999999 | 0.1 | AML | other | m | 2023-04-20T08:38:23.79 |
IV.TERO.HHN. | ML:1.4 | 0.00015324999999999998 | 0.1 | AML | other | m | 2023-04-20T08:38:23.73 |
IV.NRCA.HHN. | ML:1.8 | 0.00030199999999999997 | 0.1 | AML | other | m | 2023-04-20T08:38:25.39 |
IV.NRCA.HHE. | ML:1.6 | 0.0001735 | 0.58 | AML | other | m | 2023-04-20T08:38:25.60 |
IV.FDMO.HHN. | ML:1.1 | 0.000039349999999999994 | 0.36 | AML | other | m | 2023-04-20T08:38:29.00 |
IV.FDMO.HHE. | ML:0.9 | 0.000025500000000000003 | 0.6 | AML | other | m | 2023-04-20T08:38:29.62 |