A magnitude ML 0.6 earthquake occured in region: 2 km NE Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7850, 13.4190 at 18 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 | 2 | 2916 | 2916 |
Valle Castellana | TE | 8 | 977 | 3893 |
Montegallo | AP | 10 | 523 | 4416 |
Roccafluvione | AP | 10 | 2010 | 6426 |
Arquata del Tronto | AP | 10 | 1178 | 7604 |
Venarotta | AP | 12 | 2066 | 9670 |
Palmiano | AP | 13 | 196 | 9866 |
Rocca Santa Maria | TE | 14 | 537 | 10403 |
Montemonaco | AP | 15 | 604 | 11007 |
Ascoli Piceno | AP | 15 | 49407 | 60414 |
Accumoli | RI | 17 | 667 | 61081 |
Folignano | AP | 18 | 9241 | 70322 |
Montefortino | FM | 19 | 1178 | 71500 |
Comunanza | AP | 19 | 3166 | 74666 |
Cortino | TE | 20 | 656 | 75322 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-08-12 01:49:27 |
42.7847 | 13.4187 | 19 | 2021-08-12 01:57:44 |
Sala Sismica INGV-Roma | 93985011 |
Field | Value |
---|---|
Time (UTC) | 2021-08-12 01:49:27 ± 0.15 |
Latitude | 42.7847 ± 0.0036 |
Longitude | 13.4187 ± 0.0123 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93985011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 902 |
Semi-minor axis of confidence ellipse (meter) | 433 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 95 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34984 |
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 | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 93985011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-12 01:57:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-08-12T01:49:41.20 | 0.6 | undecidable | manual | S | 333 | 38.2284 | 106 | 0.26 | 45 |
IV.FDMO.HHZ. | 2021-08-12T01:49:41.00 | 0.6 | undecidable | manual | S | 316 | 38.8278 | 106 | -0.08 | 47 |
IV.MC2.EHZ. | 2021-08-12T01:49:37.40 | 0.6 | undecidable | manual | S | 307 | 23.3544 | 119 | 0.15 | 48 |
IV.MF5.EHZ. | 2021-08-12T01:49:37.50 | 0.6 | undecidable | manual | S | 8 | 22.755 | 120 | 0.39 | 45 |
IV.SMA1.EHE. | 2021-08-12T01:49:36.17 | 0.3 | undecidable | manual | S | 202 | 18.3705 | 127 | 0.03 | 74 |
IV.MMO1.EHZ. | 2021-08-12T01:49:35.30 | 0.3 | undecidable | manual | S | 330 | 14.7741 | 135 | -0.1 | 74 |
IV.FDMO.HHZ. | 2021-08-12T01:49:35.31 | 0.3 | undecidable | manual | P | 316 | 38.8278 | 106 | -0.24 | 69 |
IV.CSP1.EHZ. | 2021-08-12T01:49:34.95 | 1.0 | undecidable | manual | P | 333 | 38.2284 | 106 | -0.51 | 22 |
IV.MTRA.HNZ. | 2021-08-12T01:49:33.80 | 0.6 | undecidable | manual | S | 210 | 3.5964 | 167 | -0.12 | 50 |
IV.MF5.EHZ. | 2021-08-12T01:49:33.30 | 0.3 | undecidable | manual | P | 8 | 22.755 | 120 | 0.04 | 73 |
IV.MC2.EHZ. | 2021-08-12T01:49:33.40 | 0.1 | undecidable | manual | P | 307 | 23.3544 | 119 | 0.06 | 97 |
IV.TERO.HHZ. | 2021-08-12T01:49:33.33 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.T1299.HNZ. | 2021-08-12T01:49:33.05 | 0.1 | undecidable | manual | P | 214 | 20.0688 | 124 | 0.15 | 96 |
IV.SMA1.EHE. | 2021-08-12T01:49:32.75 | 0.1 | undecidable | manual | P | 202 | 18.3705 | 127 | 0.05 | 99 |
IV.MMO1.EHZ. | 2021-08-12T01:49:32.12 | 0.1 | undecidable | manual | P | 330 | 14.7741 | 135 | -0.15 | 97 |
IV.MTRA.HNZ. | 2021-08-12T01:49:31.32 | 0.1 | undecidable | manual | P | 210 | 3.5964 | 167 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.5 | 0.00001045678 | 0.14 | AML | other | m | 2021-08-12T01:49:41.68 |
IV.FDMO.HHN. | ML:0.7 | 0.0000129622875 | 0.24 | AML | other | m | 2021-08-12T01:49:41.52 |