A magnitude ML 0.9 earthquake occured in region: 4 km NW Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.8040, 13.3850 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 | 4 | 2916 | 2916 |
Montegallo | AP | 6 | 523 | 3439 |
Arquata del Tronto | AP | 8 | 1178 | 4617 |
Roccafluvione | AP | 10 | 2010 | 6627 |
Montemonaco | AP | 12 | 604 | 7231 |
Valle Castellana | TE | 12 | 977 | 8208 |
Palmiano | AP | 12 | 196 | 8404 |
Venarotta | AP | 12 | 2066 | 10470 |
Montefortino | FM | 16 | 1178 | 11648 |
Accumoli | RI | 16 | 667 | 12315 |
Ascoli Piceno | AP | 17 | 49407 | 61722 |
Comunanza | AP | 17 | 3166 | 64888 |
Rocca Santa Maria | TE | 18 | 537 | 65425 |
Force | AP | 20 | 1354 | 66779 |
Amandola | FM | 20 | 3629 | 70408 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-08-22 12:17:52 |
42.8042 | 13.3848 | 19 | 2020-08-22 12:25:42 |
Sala Sismica INGV-Roma | 82232651 |
Field | Value |
---|---|
Time (UTC) | 2020-08-22 12:17:52 ± 0.21 |
Latitude | 42.8042 ± 0.0072 |
Longitude | 13.3848 ± 0.0135 |
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 | 82232651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1064 |
Semi-minor axis of confidence ellipse (meter) | 153 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 82232651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-22 12:25:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHN. | 2020-08-22T12:18:05.24 | 0.6 | undecidable | manual | S | 203 | 35.5422 | 109 | 0.54 | 43 |
IV.FDMO.HHZ. | 2020-08-22T12:18:04.41 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CSP1.EHZ. | 2020-08-22T12:18:04.56 | 0.6 | undecidable | manual | S | 335 | 35.1426 | 109 | -0.02 | 49 |
IV.FDMO.HHZ. | 2020-08-22T12:18:04.60 | 3.0 | undecidable | manual | S | 0 | ||||
IV.MC2.EHZ. | 2020-08-22T12:18:01.36 | 0.3 | undecidable | manual | S | 307 | 19.869 | 126 | 0.4 | 69 |
IV.SMA1.EHZ. | 2020-08-22T12:18:01.13 | 0.6 | undecidable | manual | S | 192 | 19.6692 | 127 | 0.21 | 48 |
IV.MF5.EHZ. | 2020-08-22T12:18:01.10 | 0.6 | undecidable | manual | S | 17 | 21.2676 | 124 | -0.16 | 48 |
IV.NRCA.HNZ. | 2020-08-22T12:18:01.84 | 0.3 | undecidable | manual | S | 279 | 22.2555 | 123 | 0.36 | 70 |
IV.CSP1.EHZ. | 2020-08-22T12:17:59.03 | 0.1 | undecidable | manual | P | 335 | 35.1426 | 109 | -0.39 | 90 |
IV.GUMA.HHZ. | 2020-08-22T12:17:58.32 | 0.3 | positive | manual | P | 352 | 28.9488 | 114 | -0.22 | 71 |
IV.RM33.EHN. | 2020-08-22T12:17:58.95 | 0.1 | undecidable | manual | P | 203 | 35.5422 | 109 | -0.54 | 87 |
IV.MTRA.EHZ. | 2020-08-22T12:17:58.35 | 0.6 | undecidable | manual | S | 170 | 5.3946 | 162 | -0.27 | 48 |
IV.OFFI.HHN. | 2020-08-22T12:17:58.90 | 0.1 | undecidable | manual | P | 59 | 28.4493 | 115 | 0.43 | 90 |
IV.MMO1.EHZ. | 2020-08-22T12:17:58.98 | 0.6 | undecidable | manual | S | 336 | 11.5773 | 144 | -0.4 | 47 |
IV.MC2.EHZ. | 2020-08-22T12:17:57.32 | 0.1 | undecidable | manual | P | 307 | 19.869 | 126 | -0.01 | 100 |
IV.SMA1.EHZ. | 2020-08-22T12:17:57.32 | 0.3 | negative | manual | P | 192 | 19.6692 | 127 | 0.02 | 75 |
IV.MF5.EHZ. | 2020-08-22T12:17:57.95 | 0.1 | undecidable | manual | P | 17 | 21.2676 | 124 | 0.45 | 91 |
IV.NRCA.HNZ. | 2020-08-22T12:17:57.57 | 0.1 | undecidable | manual | P | 279 | 22.2555 | 123 | -0.06 | 99 |
IV.MMO1.EHZ. | 2020-08-22T12:17:56.04 | 1.0 | negative | manual | P | 336 | 11.5773 | 144 | -0.38 | 23 |
IV.MTRA.EHZ. | 2020-08-22T12:17:55.76 | 0.3 | undecidable | manual | P | 170 | 5.3946 | 162 | -0.22 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.3 | 0.000155 | 0.08 | AML | other | m | 2020-08-22T12:17:58.44 |
IV.MTRA.EHN. | ML:0.9 | 0.00006575 | 0.26 | AML | other | m | 2020-08-22T12:17:58.55 |
IV.SMA1.EHN. | ML:1.3 | 0.0001055 | 0.18 | AML | other | m | 2020-08-22T12:18:01.41 |
IV.SMA1.EHE. | ML:1.1 | 0.00006565 | 0.52 | AML | other | m | 2020-08-22T12:18:01.73 |
IV.MF5.EHE. | ML:0.7 | 0.000025313384999999996 | 0.3008 | AML | other | m | 2020-08-22T12:18:01.33 |
IV.MF5.EHN. | ML:0.7 | 0.000027901830000000003 | 0.2624 | AML | other | m | 2020-08-22T12:18:01.33 |
IV.CSP1.EHE. | ML:0.9 | 0.000028697405 | 0.2432 | AML | other | m | 2020-08-22T12:18:05.09 |
IV.CSP1.EHN. | ML:0.6 | 0.000017299350000000006 | 0.8192 | AML | other | m | 2020-08-22T12:18:04.71 |