A magnitude ML 0.9 earthquake occured in region: 5 km N Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.8150, 13.4020 at 15 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 |
Montegallo | AP | 6 | 523 | 3439 |
Roccafluvione | AP | 8 | 2010 | 5449 |
Arquata del Tronto | AP | 10 | 1178 | 6627 |
Palmiano | AP | 11 | 196 | 6823 |
Venarotta | AP | 11 | 2066 | 8889 |
Montemonaco | AP | 11 | 604 | 9493 |
Valle Castellana | TE | 12 | 977 | 10470 |
Ascoli Piceno | AP | 15 | 49407 | 59877 |
Montefortino | FM | 15 | 1178 | 61055 |
Comunanza | AP | 16 | 3166 | 64221 |
Rocca Santa Maria | TE | 18 | 537 | 64758 |
Force | AP | 18 | 1354 | 66112 |
Accumoli | RI | 18 | 667 | 66779 |
Amandola | FM | 19 | 3629 | 70408 |
Folignano | AP | 19 | 9241 | 79649 |
Montefalcone Appennino | FM | 20 | 424 | 80073 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-02-26 23:17:06 |
42.8148 | 13.4022 | 15 | 2021-02-26 23:26:56 |
Sala Sismica INGV-Roma | 87521491 |
Field | Value |
---|---|
Time (UTC) | 2021-02-26 23:17:06 ± 0.13 |
Latitude | 42.8148 ± 0.0045 |
Longitude | 13.4022 ± 0.0098 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87521491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 726 |
Semi-minor axis of confidence ellipse (meter) | 200 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 268 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.05846 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31926 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87521491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-26 23:26:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1299.EHE. | 2021-02-26T23:17:15.48 | 0.1 | undecidable | manual | S | 206 | 22.2555 | 109 | 0.42 | 89 |
IV.NRCA.HHZ. | 2021-02-26T23:17:15.47 | 0.3 | undecidable | manual | S | 275 | 23.5542 | 107 | 0.09 | 71 |
IV.MC2.EHZ. | 2021-02-26T23:17:14.61 | 0.3 | undecidable | manual | S | 302 | 20.3685 | 111 | 0.03 | 72 |
IV.MF5.EHZ. | 2021-02-26T23:17:14.95 | 0.3 | undecidable | manual | S | 14 | 19.7691 | 112 | 0.52 | 65 |
IV.SMA1.EHN. | 2021-02-26T23:17:14.93 | 0.1 | undecidable | manual | S | 195 | 21.1677 | 110 | 0.15 | 95 |
IV.FDMO.HHZ. | 2021-02-26T23:17:13.07 | 0.1 | undecidable | manual | P | 314 | 35.4423 | 99 | -0.35 | 90 |
IV.MMO1.EHZ. | 2021-02-26T23:17:12.33 | 0.3 | undecidable | manual | S | 327 | 11.1777 | 133 | -0.17 | 74 |
IV.SMA1.EHN. | 2021-02-26T23:17:11.16 | 0.1 | undecidable | manual | P | 195 | 21.1677 | 110 | -0.12 | 96 |
IV.NRCA.HHZ. | 2021-02-26T23:17:11.53 | 0.1 | negative | manual | P | 275 | 23.5542 | 107 | -0.09 | 97 |
IV.TERO.HHZ. | 2021-02-26T23:17:11.84 | 0.1 | undecidable | manual | P | 142 | 26.8509 | 104 | -0.28 | 92 |
IV.MTRA.EHE. | 2021-02-26T23:17:11.59 | 0.1 | undecidable | manual | S | 184 | 6.4935 | 151 | -0.12 | 99 |
IV.MC2.EHZ. | 2021-02-26T23:17:11.18 | 1.0 | negative | manual | P | 302 | 20.3685 | 111 | 0.02 | 24 |
IV.T1299.EHE. | 2021-02-26T23:17:11.52 | 0.1 | undecidable | manual | P | 206 | 22.2555 | 109 | 0.08 | 96 |
IV.MF5.EHZ. | 2021-02-26T23:17:11.25 | 0.6 | positive | manual | P | 14 | 19.7691 | 112 | 0.18 | 47 |
IV.MMO1.EHZ. | 2021-02-26T23:17:09.83 | 1.0 | negative | manual | P | 327 | 11.1777 | 133 | -0.13 | 25 |
IV.MTRA.EHE. | 2021-02-26T23:17:09.44 | 0.1 | undecidable | manual | P | 184 | 6.4935 | 151 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.000093371225 | 0.128 | AML | other | m | 2021-02-26T23:17:15.78 |
IV.NRCA.HHE. | ML:1.4 | 0.0001365 | 0.1 | AML | other | m | 2021-02-26T23:17:15.82 |
IV.TERO.HHE. | ML:0.5 | 0.000016654539999999997 | 0.064 | AML | other | m | 2021-02-26T23:17:16.79 |
IV.TERO.HHN. | ML:0.5 | 0.000016433460000000002 | 0.064 | AML | other | m | 2021-02-26T23:17:16.79 |
IV.NRCA.HNE. | ML:1.3 | 0.00012407415 | 0.0896 | AML | other | m | 2021-02-26T23:17:15.83 |
IV.NRCA.HNN. | ML:1.2 | 0.00007974632500000001 | 0.1408 | AML | other | m | 2021-02-26T23:17:15.92 |
IV.FDMO.HHE. | ML:0.4 | 0.000011016444 | 0.128 | AML | other | m | 2021-02-26T23:17:19.51 |
IV.FDMO.HHN. | ML:0.4 | 0.000009776186 | 0.3072 | AML | other | m | 2021-02-26T23:17:18.66 |