A magnitude ML 1.2 earthquake occured in region: 4 km NW Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.8020, 13.3910 at 25 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 | 7 | 523 | 3439 |
Arquata del Tronto | AP | 8 | 1178 | 4617 |
Roccafluvione | AP | 10 | 2010 | 6627 |
Valle Castellana | TE | 11 | 977 | 7604 |
Montemonaco | AP | 12 | 604 | 8208 |
Venarotta | AP | 12 | 2066 | 10274 |
Palmiano | AP | 12 | 196 | 10470 |
Ascoli Piceno | AP | 16 | 49407 | 59877 |
Montefortino | FM | 16 | 1178 | 61055 |
Accumoli | RI | 17 | 667 | 61722 |
Rocca Santa Maria | TE | 17 | 537 | 62259 |
Comunanza | AP | 18 | 3166 | 65425 |
Force | AP | 20 | 1354 | 66779 |
Folignano | AP | 20 | 9241 | 76020 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-08-10 00:52:05 |
42.8017 | 13.3913 | 25 | 2021-08-10 00:58:29 |
Sala Sismica INGV-Roma | 93903551 |
Field | Value |
---|---|
Time (UTC) | 2021-08-10 00:52:05 ± 0.2 |
Latitude | 42.8017 ± 0.0045 |
Longitude | 13.3913 ± 0.0074 |
Depth (km) | 25 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93903551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 620 |
Semi-minor axis of confidence ellipse (meter) | 156 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.17627 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32376 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 93903551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-10 00:58:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-08-10T00:52:18.75 | 0.3 | undecidable | manual | S | 335 | 35.5422 | 118 | 0.07 | 74 |
IV.FDMO.HHZ. | 2021-08-10T00:52:18.66 | 0.3 | undecidable | manual | S | 317 | 35.9418 | 118 | -0.09 | 73 |
IV.OFFI.HHZ. | 2021-08-10T00:52:17.39 | 0.1 | undecidable | manual | S | 58 | 28.1496 | 125 | 0.41 | 92 |
IV.TERO.HHZ. | 2021-08-10T00:52:16.29 | 0.6 | undecidable | manual | S | 139 | 26.3514 | 127 | -0.31 | 48 |
IV.NRCA.HHZ. | 2021-08-10T00:52:15.90 | 0.6 | undecidable | manual | S | 279 | 22.8549 | 132 | 0.02 | 50 |
IV.MF5.EHZ. | 2021-08-10T00:52:15.19 | 0.6 | undecidable | manual | S | 15 | 21.3675 | 134 | -0.41 | 47 |
IV.MC2.EHZ. | 2021-08-10T00:52:15.33 | 0.3 | undecidable | manual | S | 307 | 20.4684 | 136 | -0.09 | 75 |
IV.SMA1.EHZ. | 2021-08-10T00:52:14.96 | 0.6 | undecidable | manual | S | 194 | 19.5693 | 137 | -0.29 | 49 |
IV.CSP1.EHZ. | 2021-08-10T00:52:13.08 | 0.6 | undecidable | manual | P | 335 | 35.5422 | 118 | -0.14 | 48 |
IV.FDMO.HHZ. | 2021-08-10T00:52:13.05 | 1.0 | undecidable | manual | P | 317 | 35.9418 | 118 | -0.21 | 24 |
IV.OFFI.HHZ. | 2021-08-10T00:52:12.34 | 0.1 | undecidable | manual | P | 58 | 28.1496 | 125 | 0.1 | 99 |
IV.TERO.HHZ. | 2021-08-10T00:52:12.20 | 0.6 | undecidable | manual | P | 139 | 26.3514 | 127 | 0.18 | 48 |
IV.MF5.EHZ. | 2021-08-10T00:52:11.27 | 0.3 | negative | manual | P | 15 | 21.3675 | 134 | -0.17 | 73 |
IV.MC2.EHZ. | 2021-08-10T00:52:11.43 | 0.6 | positive | manual | P | 307 | 20.4684 | 136 | 0.09 | 50 |
IV.SMA1.EHZ. | 2021-08-10T00:52:11.32 | 0.1 | undecidable | manual | P | 194 | 19.5693 | 137 | 0.08 | 100 |
IV.NRCA.HHZ. | 2021-08-10T00:52:11.71 | 0.3 | positive | manual | P | 279 | 22.8549 | 132 | 0.11 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.3 | 0.0001064 | 0.1 | AML | other | m | 2021-08-10T00:52:15.42 |
IV.SMA1.EHN. | ML:1.2 | 0.0000842 | 0.14 | AML | other | m | 2021-08-10T00:52:15.50 |
IV.NRCA.HHN. | ML:1.5 | 0.00015099999999999998 | 0.14 | AML | other | m | 2021-08-10T00:52:16.17 |
IV.NRCA.HHE. | ML:1.0 | 0.00005145 | 0.16 | AML | other | m | 2021-08-10T00:52:17.16 |
IV.FDMO.HHN. | ML:0.8 | 0.0000212 | 0.26 | AML | other | m | 2021-08-10T00:52:19.16 |
IV.FDMO.HHE. | ML:0.7 | 0.00001575 | 0.24 | AML | other | m | 2021-08-10T00:52:19.08 |
IV.MF5.EHE. | ML:1.0 | 0.00004306778 | 0.76 | AML | other | m | 2021-08-10T00:52:15.31 |
IV.MF5.EHN. | ML:1.1 | 0.000055179645 | 0.3 | AML | other | m | 2021-08-10T00:52:15.33 |
IV.NRCA.HNE. | ML:1.2 | 0.000071203735 | 0.57 | AML | other | m | 2021-08-10T00:52:13.25 |
IV.NRCA.HNN. | ML:1.6 | 0.0001657682 | 0.49 | AML | other | m | 2021-08-10T00:52:16.10 |
IV.TERO.HHE. | ML:1.3 | 0.00008840765 | 0.38 | AML | other | m | 2021-08-10T00:52:15.98 |
IV.TERO.HHN. | ML:0.7 | 0.000017551115 | 0.06 | AML | other | m | 2021-08-10T00:52:16.97 |
IV.TERO.HNE. | ML:1.4 | 0.00011362578 | 1.01 | AML | other | m | 2021-08-10T00:52:15.71 |
IV.TERO.HNN. | ML:1.6 | 0.000143840205 | 1.01 | AML | other | m | 2021-08-10T00:52:25.12 |
IV.OFFI.HHE. | ML:1.4 | 0.00009948836500000001 | 1.02 | AML | other | m | 2021-08-10T00:52:17.43 |
IV.OFFI.HHN. | ML:1.2 | 0.00005864888999999999 | 0.96 | AML | other | m | 2021-08-10T00:52:24.40 |