A magnitude ML 0.8 earthquake occured in region: 5 km S Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7290, 13.3980 at 14 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 | 5 | 2916 | 2916 |
Valle Castellana | TE | 8 | 977 | 3893 |
Arquata del Tronto | AP | 10 | 1178 | 5071 |
Rocca Santa Maria | TE | 12 | 537 | 5608 |
Accumoli | RI | 13 | 667 | 6275 |
Montegallo | AP | 14 | 523 | 6798 |
Amatrice | RI | 14 | 2657 | 9455 |
Cortino | TE | 15 | 656 | 10111 |
Roccafluvione | AP | 16 | 2010 | 12121 |
Venarotta | AP | 19 | 2066 | 14187 |
Campotosto | AQ | 19 | 542 | 14729 |
Palmiano | AP | 20 | 196 | 14925 |
Montemonaco | AP | 20 | 604 | 15529 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-05-01 14:35:21 |
42.729 | 13.3985 | 14 | 2023-05-01 14:41:22 |
Sala Sismica INGV-Roma | 116938861 |
Field | Value |
---|---|
Time (UTC) | 2023-05-01 14:35:21 ± 0.11 |
Latitude | 42.7290 ± 0.0054 |
Longitude | 13.3985 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116938861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 526 |
Semi-minor axis of confidence ellipse (meter) | 340 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 204 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 188 |
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) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25811 |
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 | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116938861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-01 14:41:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-05-01T14:35:46.47 | 3.0 | undecidable | manual | S | -0.37 | 0 | |||
IV.RM33.EHZ. | 2023-05-01T14:35:31.56 | 0.6 | undecidable | manual | S | 212 | 28.6491 | 100 | -0.03 | 50 |
IV.NRCA.HHZ. | 2023-05-01T14:35:30.79 | 0.3 | undecidable | manual | S | 297 | 25.8519 | 102 | -0.07 | 74 |
IV.TERO.HHZ. | 2023-05-01T14:35:29.44 | 0.6 | undecidable | manual | S | 125 | 20.4684 | 109 | -0.03 | 50 |
IV.SMA1.EHZ. | 2023-05-01T14:35:27.34 | 0.6 | undecidable | manual | S | 205 | 12.0768 | 128 | -0.15 | 50 |
IV.RM33.EHZ. | 2023-05-01T14:35:27.25 | 0.1 | undecidable | manual | P | 212 | 28.6491 | 100 | -0.04 | 99 |
IV.NRCA.HHZ. | 2023-05-01T14:35:26.90 | 0.1 | negative | manual | P | 297 | 25.8519 | 102 | 0.03 | 100 |
IV.TERO.HHZ. | 2023-05-01T14:35:26.01 | 0.1 | undecidable | manual | P | 125 | 20.4684 | 109 | -0.05 | 100 |
IV.SMA1.EHZ. | 2023-05-01T14:35:25.14 | 0.1 | positive | manual | P | 205 | 12.0768 | 128 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.8 | 0.00006654999999999999 | 0.1 | AML | other | m | 2023-05-01T14:35:27.63 |
IV.SMA1.EHE. | ML:0.7 | 0.00005235 | 0.12 | AML | other | m | 2023-05-01T14:35:27.68 |
IV.NRCA.HHE. | ML:0.9 | 0.0000432 | 0.64 | AML | other | m | 2023-05-01T14:35:31.35 |
IV.NRCA.HHN. | ML:0.7 | 0.000027049999999999997 | 1.04 | AML | other | m | 2023-05-01T14:35:31.93 |