A magnitude ML 0.9 earthquake occured in region: 1 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8580, 13.4890 at 11 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 |
---|---|---|---|---|
Roccafluvione | AP | 1 | 2010 | 2010 |
Venarotta | AP | 3 | 2066 | 4076 |
Palmiano | AP | 5 | 196 | 4272 |
Ascoli Piceno | AP | 7 | 49407 | 53679 |
Acquasanta Terme | AP | 12 | 2916 | 56595 |
Force | AP | 12 | 1354 | 57949 |
Rotella | AP | 12 | 906 | 58855 |
Folignano | AP | 12 | 9241 | 68096 |
Comunanza | AP | 13 | 3166 | 71262 |
Montegallo | AP | 13 | 523 | 71785 |
Valle Castellana | TE | 14 | 977 | 72762 |
Montemonaco | AP | 14 | 604 | 73366 |
Castignano | AP | 14 | 2796 | 76162 |
Montefalcone Appennino | FM | 15 | 424 | 76586 |
Montedinove | AP | 15 | 488 | 77074 |
Appignano del Tronto | AP | 15 | 1785 | 78859 |
Montefortino | FM | 15 | 1178 | 80037 |
Maltignano | AP | 17 | 2401 | 82438 |
Smerillo | FM | 17 | 365 | 82803 |
Civitella del Tronto | TE | 17 | 5116 | 87919 |
Amandola | FM | 17 | 3629 | 91548 |
Montalto delle Marche | AP | 17 | 2122 | 93670 |
Santa Vittoria in Matenano | FM | 18 | 1330 | 95000 |
Arquata del Tronto | AP | 18 | 1178 | 96178 |
Montelparo | FM | 18 | 778 | 96956 |
Castel di Lama | AP | 18 | 8634 | 105590 |
Offida | AP | 19 | 5058 | 110648 |
Sant'Egidio alla Vibrata | TE | 19 | 9811 | 120459 |
Rocca Santa Maria | TE | 19 | 537 | 120996 |
Monte San Martino | MC | 20 | 765 | 121761 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-12-21 01:49:38 |
42.8582 | 13.4892 | 11 | 2020-12-21 01:54:23 |
Sala Sismica INGV-Roma | 85591001 |
Field | Value |
---|---|
Time (UTC) | 2020-12-21 01:49:38 ± 0.08 |
Latitude | 42.8582 ± 0.0027 |
Longitude | 13.4892 ± 0.0074 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85591001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 558 |
Semi-minor axis of confidence ellipse (meter) | 271 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 263 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.12231 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31296 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 85591001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-21 01:54:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-12-21T01:49:50.82 | 0.1 | undecidable | manual | S | 318 | 34.743 | 50 | 0.13 | 95 |
IV.TERO.HHZ. | 2020-12-21T01:49:49.17 | 0.3 | undecidable | manual | S | 160 | 27.75 | 50 | 0.35 | 69 |
IV.SMA1.EHZ. | 2020-12-21T01:49:48.95 | 0.3 | undecidable | manual | S | 206 | 28.1496 | 50 | 0 | 74 |
IV.MF5.EHZ. | 2020-12-21T01:49:45.33 | 0.3 | undecidable | manual | S | 351 | 14.5743 | 126 | 0.17 | 73 |
IV.CSP1.EHZ. | 2020-12-21T01:49:45.32 | 0.6 | negative | manual | P | 318 | 34.743 | 50 | -0.38 | 45 |
IV.MMO1.EHZ. | 2020-12-21T01:49:45.11 | 0.1 | undecidable | manual | S | 289 | 13.9749 | 127 | 0.12 | 99 |
IV.TERO.HHZ. | 2020-12-21T01:49:44.52 | 0.3 | undecidable | manual | P | 160 | 27.75 | 50 | -0.1 | 72 |
IV.SMA1.EHZ. | 2020-12-21T01:49:44.36 | 0.6 | negative | manual | P | 206 | 28.1496 | 50 | -0.33 | 46 |
IV.MTRA.EHZ. | 2020-12-21T01:49:44.93 | 0.1 | undecidable | manual | S | 214 | 13.5753 | 128 | 0.05 | 100 |
IV.OFFI.HHN. | 2020-12-21T01:49:43.04 | 0.6 | undecidable | manual | P | 62 | 18.0708 | 121 | -0.06 | 50 |
IV.MMO1.EHZ. | 2020-12-21T01:49:42.29 | 0.1 | undecidable | manual | P | 289 | 13.9749 | 127 | -0.12 | 99 |
IV.MTRA.EHZ. | 2020-12-21T01:49:42.26 | 0.3 | negative | manual | P | 214 | 13.5753 | 128 | -0.08 | 75 |
IV.MF5.EHZ. | 2020-12-21T01:49:42.42 | 0.6 | positive | manual | P | 351 | 14.5743 | 126 | -0.09 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.8 | 0.000060195779999999996 | 0.08 | AML | other | m | 2020-12-21T01:49:45.23 |
IV.MTRA.EHN. | ML:0.4 | 0.000023969085 | 0.16 | AML | other | m | 2020-12-21T01:49:45.69 |
IV.MTRA.HNE. | ML:1.1 | 0.00012840705 | 0.74 | AML | other | m | 2020-12-21T01:49:44.99 |
IV.MTRA.HNN. | ML:1.1 | 0.000122913 | 0.5096 | AML | other | m | 2020-12-21T01:49:45.94 |
IV.MF5.EHE. | ML:0.8 | 0.00006096778 | 1.94 | AML | other | m | 2020-12-21T01:49:50.87 |
IV.MF5.EHN. | ML:0.7 | 0.000043449529 | 1.42 | AML | other | m | 2020-12-21T01:49:42.87 |
IV.TERO.HHE. | ML:0.3 | 0.000010270476 | 0.22 | AML | other | m | 2020-12-21T01:49:49.41 |
IV.TERO.HHN. | ML:0.3 | 0.0000083178695 | 0.18 | AML | other | m | 2020-12-21T01:49:49.85 |
IV.TERO.HNE. | ML:1.2 | 0.00008174234 | 0.62 | AML | other | m | 2020-12-21T01:49:52.65 |
IV.TERO.HNN. | ML:1.5 | 0.0001664677 | 0.9704 | AML | other | m | 2020-12-21T01:49:56.51 |
IV.CSP1.EHE. | ML:1.1 | 0.000047826155 | 0.76 | AML | other | m | 2020-12-21T01:49:54.89 |
IV.CSP1.EHN. | ML:0.9 | 0.000027705535000000003 | 0.64 | AML | other | m | 2020-12-21T01:49:51.40 |