A magnitude ML 1.0 earthquake occured in region: 3 km SW Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7490, 13.3960 at 17 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 |
Arquata del Tronto | AP | 9 | 1178 | 4094 |
Valle Castellana | TE | 9 | 977 | 5071 |
Montegallo | AP | 12 | 523 | 5594 |
Rocca Santa Maria | TE | 13 | 537 | 6131 |
Accumoli | RI | 13 | 667 | 6798 |
Roccafluvione | AP | 14 | 2010 | 8808 |
Amatrice | RI | 16 | 2657 | 11465 |
Venarotta | AP | 17 | 2066 | 13531 |
Cortino | TE | 17 | 656 | 14187 |
Palmiano | AP | 18 | 196 | 14383 |
Montemonaco | AP | 18 | 604 | 14987 |
Ascoli Piceno | AP | 19 | 49407 | 64394 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-09-18 18:24:33 |
42.7487 | 13.396 | 17 | 2020-09-18 18:33:54 |
Sala Sismica INGV-Roma | 83012121 |
Field | Value |
---|---|
Time (UTC) | 2020-09-18 18:24:33 ± 0.12 |
Latitude | 42.7487 ± 0.0045 |
Longitude | 13.3960 ± 0.0086 |
Depth (km) | 17 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83012121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 526 |
Semi-minor axis of confidence ellipse (meter) | 505 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 234 |
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) | 126 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22303 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 83012121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-18 18:33:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LRP.EHZ. | 2020-09-18T18:25:11.34 | 3.0 | undecidable | manual | S | 0.26 | 0 | |||
IV.MURB.HNZ. | 2020-09-18T18:24:49.88 | 3.0 | undecidable | manual | P | 0.04 | 0 | |||
IV.MC2.EHZ. | 2020-09-18T18:24:43.22 | 0.1 | undecidable | manual | S | 317 | 24.6531 | 112 | 0.31 | 90 |
IV.NRCA.HHZ. | 2020-09-18T18:24:42.79 | 0.1 | undecidable | manual | S | 292 | 24.753 | 112 | -0.14 | 93 |
IV.MMO1.EHZ. | 2020-09-18T18:24:41.05 | 0.1 | undecidable | manual | S | 341 | 17.6712 | 123 | -0.19 | 94 |
IV.SMA1.EHZ. | 2020-09-18T18:24:40.47 | 0.1 | undecidable | manual | S | 201 | 13.9749 | 131 | 0 | 98 |
IV.NRCA.HHZ. | 2020-09-18T18:24:38.88 | 0.1 | negative | manual | P | 292 | 24.753 | 112 | -0.09 | 94 |
IV.MTRA.HNZ. | 2020-09-18T18:24:38.86 | 0.1 | undecidable | manual | S | 3 | 0.8991 | 176 | 0 | 100 |
IV.MC2.EHZ. | 2020-09-18T18:24:38.98 | 0.1 | undecidable | manual | P | 317 | 24.6531 | 112 | 0.02 | 96 |
IV.TERO.HHZ. | 2020-09-18T18:24:38.62 | 0.6 | undecidable | manual | P | 129 | 21.9669 | 116 | 0.05 | 48 |
IV.SMA1.EHZ. | 2020-09-18T18:24:37.65 | 0.6 | undecidable | manual | P | 201 | 13.9749 | 131 | 0.1 | 48 |
IV.MMO1.EHZ. | 2020-09-18T18:24:37.92 | 0.1 | undecidable | manual | P | 341 | 17.6712 | 123 | -0.06 | 96 |
IV.MTRA.HNZ. | 2020-09-18T18:24:36.69 | 0.1 | undecidable | manual | P | 3 | 0.8991 | 176 | 0.07 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.2 | 0.0001605 | 0.1 | AML | other | m | 2020-09-18T18:24:38.92 |
IV.MTRA.EHE. | ML:1.0 | 0.00009779999999999999 | 1.3 | AML | other | m | 2020-09-18T18:24:39.11 |
IV.SMA1.EHN. | ML:1.0 | 0.0000679 | 0.22 | AML | other | m | 2020-09-18T18:24:40.87 |
IV.SMA1.EHE. | ML:1.0 | 0.00006900000000000001 | 0.26 | AML | other | m | 2020-09-18T18:24:40.81 |
IV.TERO.HHE. | ML:0.9 | 0.00005035 | 0.14 | AML | other | m | 2020-09-18T18:24:42.64 |
IV.TERO.HHN. | ML:0.8 | 0.0000359 | 0.34 | AML | other | m | 2020-09-18T18:24:42.72 |
IV.NRCA.HHN. | ML:1.2 | 0.0000898 | 0.36 | AML | other | m | 2020-09-18T18:24:43.32 |
IV.NRCA.HHE. | ML:1.2 | 0.00008824999999999999 | 0.74 | AML | other | m | 2020-09-18T18:24:43.49 |