A magnitude ML 1.1 earthquake occured in region: 6 km N Valle Castellana (TE), on
and geographic coordinates (lat, lon) 42.7870, 13.4850 at 19 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 |
---|---|---|---|---|
Valle Castellana | TE | 6 | 977 | 977 |
Acquasanta Terme | AP | 6 | 2916 | 3893 |
Roccafluvione | AP | 8 | 2010 | 5903 |
Venarotta | AP | 11 | 2066 | 7969 |
Ascoli Piceno | AP | 11 | 49407 | 57376 |
Rocca Santa Maria | TE | 12 | 537 | 57913 |
Folignano | AP | 13 | 9241 | 67154 |
Palmiano | AP | 13 | 196 | 67350 |
Montegallo | AP | 14 | 523 | 67873 |
Civitella del Tronto | TE | 15 | 5116 | 72989 |
Arquata del Tronto | AP | 15 | 1178 | 74167 |
Maltignano | AP | 17 | 2401 | 76568 |
Campli | TE | 18 | 7209 | 83777 |
Montemonaco | AP | 18 | 604 | 84381 |
Cortino | TE | 18 | 656 | 85037 |
Sant'Egidio alla Vibrata | TE | 20 | 9811 | 94848 |
Appignano del Tronto | AP | 20 | 1785 | 96633 |
Force | AP | 20 | 1354 | 97987 |
Rotella | AP | 20 | 906 | 98893 |
Comunanza | AP | 20 | 3166 | 102059 |
Torricella Sicura | TE | 20 | 2641 | 104700 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-04-08 22:12:47 |
42.7867 | 13.485 | 19 | 2021-04-08 22:19:51 |
Sala Sismica INGV-Roma | 88922931 |
Field | Value |
---|---|
Time (UTC) | 2021-04-08 22:12:47 ± 0.08 |
Latitude | 42.7867 ± 0.0036 |
Longitude | 13.4850 ± 0.0049 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88922931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 404 |
Semi-minor axis of confidence ellipse (meter) | 204 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 53 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.07105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 88922931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-08 22:19:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1299.HNZ. | 2021-04-08T22:12:57.64 | 0.6 | undecidable | manual | S | 224 | 23.6541 | 119 | 0.37 | 47 |
IV.MMO1.EHZ. | 2021-04-08T22:12:56.05 | 0.6 | undecidable | manual | S | 314 | 17.9709 | 128 | 0.04 | 51 |
IV.TERO.HHZ. | 2021-04-08T22:12:56.47 | 0.3 | undecidable | manual | S | 152 | 20.5683 | 124 | -0.11 | 74 |
IV.SMA1.EHZ. | 2021-04-08T22:12:56.87 | 1.0 | undecidable | manual | S | 215 | 21.1677 | 123 | 0.16 | 24 |
IV.FDMO.HHZ. | 2021-04-08T22:12:55.77 | 1.0 | negative | manual | P | 311 | 42.5241 | 104 | -0.28 | 23 |
IV.RM33.EHZ. | 2021-04-08T22:12:55.40 | 1.0 | undecidable | manual | P | 216 | 37.9287 | 106 | 0.04 | 24 |
IV.TRTR.HHE. | 2021-04-08T22:12:55.06 | 0.6 | undecidable | manual | P | 86 | 34.9428 | 108 | 0.13 | 48 |
IV.MNTT.EHZ. | 2021-04-08T22:12:54.63 | 1.0 | undecidable | manual | P | 16 | 31.8459 | 110 | 0.16 | 24 |
IV.NRCA.HHZ. | 2021-04-08T22:12:54.13 | 0.1 | positive | manual | P | 280 | 30.6471 | 111 | -0.17 | 96 |
IV.MTRA.EHZ. | 2021-04-08T22:12:54.28 | 0.6 | undecidable | manual | S | 245 | 7.881 | 153 | -0.01 | 51 |
IV.MF5.EHZ. | 2021-04-08T22:12:53.40 | 0.6 | positive | manual | P | 355 | 22.3554 | 121 | 0.24 | 48 |
IV.OFFI.HHZ. | 2021-04-08T22:12:53.40 | 1.0 | undecidable | manual | P | 45 | 23.1546 | 120 | 0.14 | 25 |
IV.MC2.EHZ. | 2021-04-08T22:12:53.85 | 1.0 | positive | manual | P | 300 | 27.75 | 114 | -0.04 | 25 |
IV.T1299.HNZ. | 2021-04-08T22:12:53.42 | 0.3 | undecidable | manual | P | 224 | 23.6541 | 119 | 0.1 | 74 |
IV.MMO1.EHZ. | 2021-04-08T22:12:52.43 | 0.6 | undecidable | manual | P | 314 | 17.9709 | 128 | -0.16 | 49 |
IV.TERO.HHZ. | 2021-04-08T22:12:52.85 | 0.1 | undecidable | manual | P | 152 | 20.5683 | 124 | -0.07 | 100 |
IV.SMA1.EHZ. | 2021-04-08T22:12:52.95 | 0.6 | undecidable | manual | P | 215 | 21.1677 | 123 | -0.05 | 50 |
IV.MTRA.EHZ. | 2021-04-08T22:12:51.52 | 0.6 | undecidable | manual | P | 245 | 7.881 | 153 | -0.08 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.7 | 0.000047112680000000006 | 0.32 | AML | other | m | 2021-04-08T22:12:59.52 |
IV.MTRA.EHE. | ML:1.2 | 0.0001234 | 0.16 | AML | other | m | 2021-04-08T22:12:54.50 |
IV.TERO.HHN. | ML:1.2 | 0.0000896 | 0.16 | AML | other | m | 2021-04-08T22:12:56.84 |
IV.TERO.HHE. | ML:1.1 | 0.000063043795 | 0.0768 | AML | other | m | 2021-04-08T22:12:56.97 |
IV.SMA1.EHN. | ML:1.3 | 0.00010478063 | 0.0896 | AML | other | m | 2021-04-08T22:12:57.12 |
IV.SMA1.EHE. | ML:1.2 | 0.000095254055 | 0.1664 | AML | other | m | 2021-04-08T22:12:57.19 |
IV.NRCA.HHN. | ML:1.8 | 0.00023391705 | 0.1664 | AML | other | m | 2021-04-08T22:12:59.21 |
IV.NRCA.HHE. | ML:1.5 | 0.0001225 | 0.12 | AML | other | m | 2021-04-08T22:12:59.80 |
IV.MTRA.HNE. | ML:1.2 | 0.00014223765000000003 | 0.1664 | AML | other | m | 2021-04-08T22:12:54.50 |
IV.MTRA.HNN. | ML:0.8 | 0.000053947434999999994 | 0.6656 | AML | other | m | 2021-04-08T22:12:54.51 |
IV.TERO.HNE. | ML:1.2 | 0.00009443077999999999 | 0.2176 | AML | other | m | 2021-04-08T22:12:58.21 |
IV.TERO.HNN. | ML:1.4 | 0.00012963464999999998 | 1.4592 | AML | other | m | 2021-04-08T22:12:57.17 |
IV.MF5.EHE. | ML:1.1 | 0.00006500828 | 0.2816 | AML | other | m | 2021-04-08T22:12:58.04 |
IV.MF5.EHN. | ML:1.1 | 0.000064436695 | 0.4608 | AML | other | m | 2021-04-08T22:12:57.92 |
IV.NRCA.HNE. | ML:1.5 | 0.000119064075 | 0.1536 | AML | other | m | 2021-04-08T22:12:59.80 |
IV.NRCA.HNN. | ML:1.8 | 0.000270362 | 0.1664 | AML | other | m | 2021-04-08T22:12:59.44 |
IV.RM33.EHE. | ML:0.9 | 0.000023495855 | 0.1024 | AML | other | m | 2021-04-08T22:13:02.10 |
IV.RM33.EHN. | ML:0.6 | 0.0000141784885 | 0.2816 | AML | other | m | 2021-04-08T22:13:01.65 |
IV.FDMO.HHE. | ML:0.7 | 0.0000155532585 | 0.1792 | AML | other | m | 2021-04-08T22:13:02.68 |
IV.FDMO.HHN. | ML:0.7 | 0.000013753110000000001 | 0.256 | AML | other | m | 2021-04-08T22:13:02.28 |