A magnitude ML 1.1 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8080, 13.2180 at 13 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 8 | 1178 | 1178 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 10 | 4957 | 6658 |
Castelsantangelo sul Nera | MC | 11 | 281 | 6939 |
Accumoli | RI | 13 | 667 | 7606 |
Montemonaco | AP | 14 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Ussita | MC | 17 | 444 | 11570 |
Preci | PG | 17 | 724 | 12294 |
Visso | MC | 17 | 1107 | 13401 |
Montefortino | FM | 18 | 1178 | 14579 |
Cascia | PG | 19 | 3217 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-11-22 00:40:56 |
42.808 | 13.2185 | 13 | 2021-11-22 00:51:30 |
Sala Sismica INGV-Roma | 97672281 |
Field | Value |
---|---|
Time (UTC) | 2021-11-22 00:40:56 ± 0.08 |
Latitude | 42.8080 ± 0.0027 |
Longitude | 13.2185 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97672281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 460 |
Semi-minor axis of confidence ellipse (meter) | 36 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 19 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36512 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.6 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97672281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-22 00:51:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIEI.HHZ. | 2021-11-22T00:41:23.72 | 3.0 | undecidable | manual | S | -0.56 | 0 | |||
IV.CSP1.EHZ. | 2021-11-22T00:41:07.42 | 0.1 | undecidable | manual | S | 358 | 31.5462 | 97 | -0.21 | 91 |
IV.GAVE.EHZ. | 2021-11-22T00:41:07.11 | 0.1 | undecidable | manual | S | 244 | 29.3484 | 97 | 0.04 | 96 |
IV.LNSS.HHZ. | 2021-11-22T00:41:06.73 | 0.1 | undecidable | manual | S | 213 | 26.9508 | 99 | 0.29 | 91 |
IV.OFFI.HHZ. | 2021-11-22T00:41:05.06 | 0.6 | positive | manual | P | 69 | 40.5261 | 94 | 0.65 | 41 |
IV.SMA1.EHZ. | 2021-11-22T00:41:04.88 | 0.1 | undecidable | manual | S | 154 | 21.867 | 103 | -0.21 | 93 |
IV.MML1.EHZ. | 2021-11-22T00:41:04.14 | 0.6 | positive | manual | P | 329 | 39.3273 | 95 | -0.09 | 46 |
IV.TERO.HHZ. | 2021-11-22T00:41:03.67 | 1.0 | undecidable | manual | P | 123 | 37.5291 | 95 | -0.28 | 22 |
IV.RM33.EHZ. | 2021-11-22T00:41:03.32 | 1.0 | positive | manual | P | 181 | 33.1446 | 96 | 0.04 | 24 |
IV.CESI.HHZ. | 2021-11-22T00:41:03.31 | 0.3 | positive | manual | P | 311 | 33.5442 | 96 | -0.03 | 71 |
IV.GAVE.EHZ. | 2021-11-22T00:41:02.80 | 1.0 | undecidable | manual | P | 244 | 29.3484 | 97 | 0.1 | 24 |
IV.LNSS.HHZ. | 2021-11-22T00:41:02.33 | 0.6 | negative | manual | P | 213 | 26.9508 | 99 | -0.01 | 48 |
IV.CSP1.EHZ. | 2021-11-22T00:41:02.86 | 1.0 | undecidable | manual | P | 358 | 31.5462 | 97 | -0.17 | 23 |
IV.MF5.EHZ. | 2021-11-22T00:41:02.73 | 0.6 | negative | manual | P | 44 | 27.9498 | 98 | 0.25 | 47 |
IV.FDMO.HHZ. | 2021-11-22T00:41:02.20 | 0.6 | undecidable | manual | P | 337 | 27.4503 | 98 | -0.21 | 46 |
IV.MC2.EHZ. | 2021-11-22T00:41:02.80 | 0.1 | undecidable | manual | S | 348 | 11.6772 | 126 | 0.19 | 96 |
IV.SMA1.EHZ. | 2021-11-22T00:41:01.46 | 1.0 | undecidable | manual | P | 154 | 21.867 | 103 | -0.1 | 24 |
IV.NRCA.HHZ. | 2021-11-22T00:41:01.83 | 0.1 | undecidable | manual | S | 289 | 8.9799 | 136 | -0.22 | 97 |
IV.MC2.EHZ. | 2021-11-22T00:41:00.17 | 0.3 | negative | manual | P | 348 | 11.6772 | 126 | 0.05 | 75 |
IV.NRCA.HHZ. | 2021-11-22T00:40:59.79 | 0.1 | negative | manual | P | 289 | 8.9799 | 136 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.0005625 | 0.14 | AML | other | m | 2021-11-22T00:41:02.07 |
IV.NRCA.HHE. | ML:1.6 | 0.000434 | 0.12 | AML | other | m | 2021-11-22T00:41:02.41 |
IV.GAVE.EHE. | ML:0.6 | 0.0000197 | 0.48 | AML | other | m | 2021-11-22T00:41:07.65 |
IV.GAVE.EHN. | ML:0.6 | 0.0000189 | 0.82 | AML | other | m | 2021-11-22T00:41:07.33 |