A magnitude ML 1.4 earthquake occured in region: 4 km N Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.8010, 13.3980 at 20 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 7 | 523 | 3439 |
Arquata del Tronto | AP | 9 | 1178 | 4617 |
Roccafluvione | AP | 9 | 2010 | 6627 |
Valle Castellana | TE | 11 | 977 | 7604 |
Venarotta | AP | 12 | 2066 | 9670 |
Palmiano | AP | 12 | 196 | 9866 |
Montemonaco | AP | 12 | 604 | 10470 |
Ascoli Piceno | AP | 16 | 49407 | 59877 |
Montefortino | FM | 17 | 1178 | 61055 |
Rocca Santa Maria | TE | 17 | 537 | 61592 |
Accumoli | RI | 17 | 667 | 62259 |
Comunanza | AP | 18 | 3166 | 65425 |
Folignano | AP | 19 | 9241 | 74666 |
Force | AP | 20 | 1354 | 76020 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-08-10 00:43:26 |
42.8012 | 13.3975 | 20 | 2021-12-29 11:12:32 |
Bollettino Sismico Italiano INGV | 95842621 |
Reviewed Rev100 |
ML 1.5 | 2021-08-10 00:43:26 |
42.8067 | 13.4142 | 20 | 2021-08-10 00:54:49 |
Sala Sismica INGV-Roma | 93903541 |
Field | Value |
---|---|
Time (UTC) | 2021-08-10 00:43:26 ± 0.09 |
Latitude | 42.8012 ± 0.0027 |
Longitude | 13.3975 ± 0.0049 |
Depth (km) | 20 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95842621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 425 |
Semi-minor axis of confidence ellipse (meter) | 152 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.04407 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51441 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 29 |
Type of magnitude | ML |
Reference to an origin | 95842621 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-24 18:34:22 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 93903541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-10 00:54:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-08-10T00:43:42.89 | 0.6 | undecidable | manual | S | 315 | 48.9177 | 104 | 0.23 | 46 |
IV.CSP1.EHZ. | 2021-08-10T00:43:39.17 | 0.6 | undecidable | manual | S | 334 | 35.8419 | 110 | -0.14 | 48 |
IV.FDMO.HHZ. | 2021-08-10T00:43:39.30 | 0.6 | undecidable | manual | S | 316 | 36.2415 | 110 | -0.12 | 48 |
IV.MNTT.EHZ. | 2021-08-10T00:43:38.85 | 0.6 | undecidable | manual | S | 29 | 33.1446 | 112 | 0.22 | 46 |
IV.SAP2.EHE. | 2021-08-10T00:43:38.91 | 0.6 | undecidable | manual | S | 0 | 32.745 | 112 | 0.36 | 45 |
IV.OFFI.HHZ. | 2021-08-10T00:43:37.75 | 0.3 | undecidable | manual | S | 58 | 27.75 | 117 | 0.43 | 67 |
IV.CAMP.HHE. | 2021-08-10T00:43:37.96 | 0.6 | undecidable | manual | S | 178 | 29.4483 | 115 | 0.22 | 47 |
IV.GUMA.HHZ. | 2021-08-10T00:43:37.87 | 0.6 | undecidable | manual | S | 350 | 29.4483 | 115 | 0.14 | 48 |
IV.ARRO.EHZ. | 2021-08-10T00:43:37.37 | 0.1 | undecidable | manual | P | 245 | 57.0984 | 101 | 0.16 | 92 |
IV.TERO.HHZ. | 2021-08-10T00:43:36.62 | 0.6 | undecidable | manual | S | 140 | 25.9518 | 119 | -0.29 | 47 |
IV.T1299.EHZ. | 2021-08-10T00:43:36.29 | 0.3 | undecidable | manual | S | 207 | 20.7681 | 126 | 0.55 | 67 |
IV.NRCA.HHZ. | 2021-08-10T00:43:36.50 | 0.6 | undecidable | manual | S | 279 | 23.3544 | 123 | 0.2 | 48 |
IV.MF5.EHZ. | 2021-08-10T00:43:35.76 | 0.6 | undecidable | manual | S | 14 | 21.2676 | 126 | -0.09 | 50 |
IV.SMA1.EHZ. | 2021-08-10T00:43:35.56 | 0.6 | undecidable | manual | S | 195 | 19.5693 | 128 | 0.07 | 50 |
IV.MC2.EHZ. | 2021-08-10T00:43:35.99 | 0.6 | undecidable | manual | S | 306 | 20.868 | 126 | 0.22 | 48 |
IV.MML1.EHZ. | 2021-08-10T00:43:35.70 | 0.1 | undecidable | manual | P | 315 | 48.9177 | 104 | -0.28 | 90 |
IV.SAP2.EHE. | 2021-08-10T00:43:34.13 | 0.6 | undecidable | manual | P | 0 | 32.745 | 112 | 0.53 | 43 |
IV.MNTT.EHZ. | 2021-08-10T00:43:33.53 | 0.6 | undecidable | manual | P | 29 | 33.1446 | 112 | -0.12 | 48 |
IV.CSP1.EHZ. | 2021-08-10T00:43:33.68 | 1.0 | undecidable | manual | P | 334 | 35.8419 | 110 | -0.36 | 23 |
IV.FDMO.HHZ. | 2021-08-10T00:43:33.79 | 0.6 | undecidable | manual | P | 316 | 36.2415 | 110 | -0.32 | 46 |
IV.CAMP.HHE. | 2021-08-10T00:43:33.02 | 0.1 | positive | manual | P | 178 | 29.4483 | 115 | -0.12 | 96 |
IV.RM33.EHZ. | 2021-08-10T00:43:33.92 | 1.0 | undecidable | manual | P | 205 | 35.6421 | 110 | -0.1 | 24 |
IV.NRCA.HHZ. | 2021-08-10T00:43:32.26 | 0.1 | positive | manual | P | 279 | 23.3544 | 123 | -0.05 | 98 |
IV.TERO.HHZ. | 2021-08-10T00:43:32.60 | 0.6 | undecidable | manual | P | 140 | 25.9518 | 119 | -0.06 | 49 |
IV.T1299.EHZ. | 2021-08-10T00:43:32.14 | 0.1 | undecidable | manual | P | 207 | 20.7681 | 126 | 0.16 | 98 |
IV.MTRA.EHZ. | 2021-08-10T00:43:32.90 | 0.3 | undecidable | manual | S | 181 | 4.8951 | 164 | -0.35 | 72 |
IV.OFFI.HHZ. | 2021-08-10T00:43:32.84 | 0.6 | undecidable | manual | P | 58 | 27.75 | 117 | -0.06 | 49 |
IV.GUMA.HHZ. | 2021-08-10T00:43:32.95 | 0.1 | negative | manual | P | 350 | 29.4483 | 115 | -0.19 | 95 |
IV.MF5.EHZ. | 2021-08-10T00:43:31.81 | 0.1 | negative | manual | P | 14 | 21.2676 | 126 | -0.24 | 96 |
IV.SMA1.EHZ. | 2021-08-10T00:43:31.88 | 0.1 | positive | manual | P | 195 | 19.5693 | 128 | 0.04 | 100 |
IV.MC2.EHZ. | 2021-08-10T00:43:31.96 | 1.0 | undecidable | manual | P | 306 | 20.868 | 126 | -0.04 | 25 |
IV.MTRA.EHZ. | 2021-08-10T00:43:30.27 | 0.1 | negative | manual | P | 181 | 4.8951 | 164 | -0.27 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.0 | 0.00028132754999999997 | 0.14 | AML | other | m | 2021-08-10T00:43:32.94 |
IV.MTRA.HNN. | ML:0.0 | 0.0002923835 | 0.14 | AML | other | m | 2021-08-10T00:43:33.01 |
IV.MTRA.HNE. | ML:0.0 | 0.0001532966 | 0.08 | AML | other | m | 2021-08-10T00:43:33.03 |
IV.MTRA.EHE. | ML:0.0 | 0.00015597259999999998 | 0.1 | AML | other | m | 2021-08-10T00:43:33.04 |
IV.MF5.EHE. | ML:1.2 | 0.00007882851999999998 | 0.14 | AML | other | m | 2021-08-10T00:43:35.87 |
IV.SMA1.EHE. | ML:1.7 | 0.000275 | 0.12 | AML | other | m | 2021-08-10T00:43:35.99 |
IV.MF5.EHN. | ML:1.4 | 0.000131 | 1.68 | AML | other | m | 2021-08-10T00:43:36.89 |
IV.SMA1.EHN. | ML:1.5 | 0.0001905 | 0.16 | AML | other | m | 2021-08-10T00:43:36.06 |
IV.NRCA.HHN. | ML:2.0 | 0.0004535 | 0.14 | AML | other | m | 2021-08-10T00:43:36.73 |
IV.NRCA.HNN. | ML:1.9 | 0.0004202558 | 0.14 | AML | other | m | 2021-08-10T00:43:36.73 |
IV.TERO.HHE. | ML:1.4 | 0.00013187365000000002 | 0.84 | AML | other | m | 2021-08-10T00:43:36.66 |
IV.NRCA.HNE. | ML:1.5 | 0.00014369199999999998 | 0.09 | AML | other | m | 2021-08-10T00:43:37.26 |
IV.NRCA.HHE. | ML:1.5 | 0.00016318715 | 0.1 | AML | other | m | 2021-08-10T00:43:37.26 |
IV.TERO.HHN. | ML:0.9 | 0.000033133300000000003 | 0.06 | AML | other | m | 2021-08-10T00:43:37.53 |
IV.GUMA.HNE. | ML:1.6 | 0.00017282685 | 0.31 | AML | other | m | 2021-08-10T00:43:38.02 |
IV.GUMA.HHE. | ML:1.8 | 0.0002495 | 0.2 | AML | other | m | 2021-08-10T00:43:38.14 |
IV.GUMA.HHN. | ML:1.5 | 0.000124 | 0.72 | AML | other | m | 2021-08-10T00:43:38.13 |
IV.FDMO.HHE. | ML:1.1 | 0.0000405 | 0.56 | AML | other | m | 2021-08-10T00:43:39.75 |
IV.CSP1.EHE. | ML:1.4 | 0.0000883 | 0.66 | AML | other | m | 2021-08-10T00:43:39.50 |
IV.CSP1.EHN. | ML:1.5 | 0.00010180000000000001 | 0.22 | AML | other | m | 2021-08-10T00:43:39.52 |
IV.FDMO.HHN. | ML:1.2 | 0.0000603 | 0.3 | AML | other | m | 2021-08-10T00:43:39.72 |
IV.MNTT.EHN. | ML:1.3 | 0.000074100855 | 0.12 | AML | other | m | 2021-08-10T00:43:40.32 |
IV.MNTT.EHE. | ML:1.7 | 0.0001719173 | 0.18 | AML | other | m | 2021-08-10T00:43:43.56 |
IV.RM33.EHE. | ML:1.1 | 0.000040769925 | 0.26 | AML | other | m | 2021-08-10T00:43:40.37 |
IV.RM33.EHN. | ML:1.0 | 0.000035148045000000006 | 0.12 | AML | other | m | 2021-08-10T00:43:40.19 |
IV.MML1.EHE. | ML:0.8 | 0.0000138955695 | 0.3 | AML | other | m | 2021-08-10T00:43:43.12 |
IV.MML1.EHN. | ML:0.8 | 0.000012989562 | 0.22 | AML | other | m | 2021-08-10T00:43:42.99 |
IV.ARRO.EHN. | ML:0.7 | 0.0000103914025 | 0.2 | AML | other | m | 2021-08-10T00:43:46.46 |
IV.ARRO.EHE. | ML:0.7 | 0.000012083276000000001 | 0.18 | AML | other | m | 2021-08-10T00:43:46.33 |