A magnitude ML 1.1 earthquake occured in region: 7 km SE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7180, 13.3400 at 8 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 7 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Acquasanta Terme | AP | 8 | 2916 | 4761 |
Amatrice | RI | 11 | 2657 | 7418 |
Valle Castellana | TE | 13 | 977 | 8395 |
Montegallo | AP | 14 | 523 | 8918 |
Rocca Santa Maria | TE | 16 | 537 | 9455 |
Cortino | TE | 17 | 656 | 10111 |
Campotosto | AQ | 18 | 542 | 10653 |
Cittareale | RI | 18 | 482 | 11135 |
Roccafluvione | AP | 19 | 2010 | 13145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-07-20 00:08:42 |
42.7185 | 13.3405 | 8 | 2020-07-20 00:14:52 |
Sala Sismica INGV-Roma | 81171581 |
Field | Value |
---|---|
Time (UTC) | 2020-07-20 00:08:42 ± 0.11 |
Latitude | 42.7185 ± 0.0045 |
Longitude | 13.3405 ± 0.0073 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81171581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 575 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 86 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 81171581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-20 00:14:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-07-20T00:08:53.99 | 0.1 | undecidable | manual | S | 18 | 31.4463 | 104 | 0.45 | 89 |
IV.MNTT.EHZ. | 2020-07-20T00:08:51.34 | 3.0 | positive | manual | P | 0.26 | 0 | |||
IV.RM33.EHZ. | 2020-07-20T00:08:51.22 | 0.3 | undecidable | manual | S | 204 | 25.4523 | 108 | -0.32 | 71 |
IV.TERO.HHZ. | 2020-07-20T00:08:50.63 | 0.1 | undecidable | manual | S | 116 | 23.9538 | 109 | -0.43 | 91 |
IV.OFFI.HHZ. | 2020-07-20T00:08:50.26 | 3.0 | negative | manual | P | 0.15 | 0 | |||
IV.NRCA.HHZ. | 2020-07-20T00:08:50.24 | 0.1 | undecidable | manual | S | 305 | 22.3554 | 110 | -0.31 | 93 |
IV.CSP1.EHZ. | 2020-07-20T00:08:50.24 | 3.0 | positive | manual | P | -0.56 | 0 | |||
IV.GAVE.EHZ. | 2020-07-20T00:08:49.69 | 3.0 | positive | manual | P | -0.05 | 0 | |||
IV.MMO1.EHZ. | 2020-07-20T00:08:49.75 | 0.1 | undecidable | manual | S | 357 | 20.0688 | 112 | -0.05 | 97 |
IV.MF5.EHZ. | 2020-07-20T00:08:48.93 | 0.6 | positive | manual | P | 18 | 31.4463 | 104 | 0.14 | 47 |
IV.NRCA.HHZ. | 2020-07-20T00:08:47.01 | 0.1 | negative | manual | P | 305 | 22.3554 | 110 | -0.05 | 99 |
IV.TERO.HHZ. | 2020-07-20T00:08:47.19 | 0.1 | undecidable | manual | P | 116 | 23.9538 | 109 | -0.16 | 97 |
IV.RM33.EHZ. | 2020-07-20T00:08:47.70 | 0.1 | undecidable | manual | P | 204 | 25.4523 | 108 | 0.07 | 96 |
IV.MMO1.EHZ. | 2020-07-20T00:08:46.65 | 0.1 | undecidable | manual | P | 357 | 20.0688 | 112 | 0.03 | 100 |
IV.SMA1.EHZ. | 2020-07-20T00:08:46.93 | 0.1 | undecidable | manual | S | 182 | 9.7791 | 130 | 0.25 | 99 |
IV.MTRA.EHZ. | 2020-07-20T00:08:45.95 | 0.3 | undecidable | manual | S | 47 | 6.1938 | 142 | 0.12 | 76 |
IV.SMA1.EHZ. | 2020-07-20T00:08:45.24 | 0.1 | positive | manual | P | 182 | 9.7791 | 130 | 0.41 | 94 |
IV.MTRA.EHZ. | 2020-07-20T00:08:44.57 | 0.6 | undecidable | manual | P | 47 | 6.1938 | 142 | 0.24 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.6 | 0.0007794999999999999 | 0.08 | AML | other | m | 2020-07-20T00:08:46.09 |
IV.MTRA.HNE. | ML:1.6 | 0.0008049999999999999 | 0.06 | AML | other | m | 2020-07-20T00:08:46.08 |
IV.MTRA.EHN. | ML:1.7 | 0.0008795000000000001 | 0.08 | AML | other | m | 2020-07-20T00:08:46.06 |
IV.MTRA.HNN. | ML:1.7 | 0.0008634999999999999 | 0.08 | AML | other | m | 2020-07-20T00:08:46.06 |
IV.SMA1.EHN. | ML:1.2 | 0.0002505 | 0.34 | AML | other | m | 2020-07-20T00:08:47.14 |
IV.SMA1.EHE. | ML:1.0 | 0.0001385 | 0.38 | AML | other | m | 2020-07-20T00:08:47.22 |
IV.NRCA.HHN. | ML:1.1 | 0.0000934 | 1.28 | AML | other | m | 2020-07-20T00:08:50.13 |
IV.NRCA.HHE. | ML:1.2 | 0.00011300000000000001 | 0.88 | AML | other | m | 2020-07-20T00:08:50.94 |
IV.TERO.HHE. | ML:0.8 | 0.0000407 | 0.76 | AML | other | m | 2020-07-20T00:08:51.47 |
IV.TERO.HHN. | ML:0.8 | 0.00003925 | 1.38 | AML | other | m | 2020-07-20T00:08:51.00 |
IV.RM33.EHE. | ML:0.9 | 0.00005075 | 1.26 | AML | other | m | 2020-07-20T00:08:52.16 |
IV.RM33.EHN. | ML:0.7 | 0.000032 | 0.82 | AML | other | m | 2020-07-20T00:08:52.82 |
IV.GAVE.EHN. | ML:1.1 | 0.00004305 | 0.12 | AML | other | m | 2020-07-20T00:08:55.85 |
IV.GAVE.EHE. | ML:1.0 | 0.00003765 | 0.18 | AML | other | m | 2020-07-20T00:08:56.06 |