A magnitude ML 1.1 earthquake occured in region: 1 km S Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8490, 13.4750 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 |
---|---|---|---|---|
Roccafluvione | AP | 1 | 2010 | 2010 |
Venarotta | AP | 4 | 2066 | 4076 |
Palmiano | AP | 6 | 196 | 4272 |
Ascoli Piceno | AP | 8 | 49407 | 53679 |
Acquasanta Terme | AP | 10 | 2916 | 56595 |
Montegallo | AP | 12 | 523 | 57118 |
Valle Castellana | TE | 13 | 977 | 58095 |
Force | AP | 13 | 1354 | 59449 |
Comunanza | AP | 13 | 3166 | 62615 |
Folignano | AP | 13 | 9241 | 71856 |
Montemonaco | AP | 13 | 604 | 72460 |
Rotella | AP | 14 | 906 | 73366 |
Montefortino | FM | 15 | 1178 | 74544 |
Montefalcone Appennino | FM | 16 | 424 | 74968 |
Castignano | AP | 16 | 2796 | 77764 |
Montedinove | AP | 16 | 488 | 78252 |
Appignano del Tronto | AP | 17 | 1785 | 80037 |
Arquata del Tronto | AP | 17 | 1178 | 81215 |
Maltignano | AP | 18 | 2401 | 83616 |
Smerillo | FM | 18 | 365 | 83981 |
Amandola | FM | 18 | 3629 | 87610 |
Civitella del Tronto | TE | 18 | 5116 | 92726 |
Rocca Santa Maria | TE | 19 | 537 | 93263 |
Montalto delle Marche | AP | 19 | 2122 | 95385 |
Santa Vittoria in Matenano | FM | 19 | 1330 | 96715 |
Montelparo | FM | 20 | 778 | 97493 |
Castel di Lama | AP | 20 | 8634 | 106127 |
Sant'Egidio alla Vibrata | TE | 20 | 9811 | 115938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-04-09 22:33:57 |
42.8493 | 13.4748 | 13 | 2021-04-09 22:42:25 |
Sala Sismica INGV-Roma | 88951461 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 22:33:57 ± 0.05 |
Latitude | 42.8493 ± 0.0018 |
Longitude | 13.4748 ± 0.0025 |
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 | 88951461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 250 |
Semi-minor axis of confidence ellipse (meter) | 11 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 321 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 88951461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 22:42:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2021-04-09T22:34:21.99 | 3.0 | undecidable | manual | P | 1.83 | 0 | |||
IV.CAFI.HNZ. | 2021-04-09T22:34:19.48 | 3.0 | undecidable | manual | P | 0.24 | 0 | |||
IV.EL6.EHZ. | 2021-04-09T22:34:07.73 | 3.0 | undecidable | manual | P | -0.67 | 0 | |||
IV.MC2.EHZ. | 2021-04-09T22:34:06.36 | 1.0 | undecidable | manual | S | 287 | 24.2535 | 98 | 0.18 | 24 |
IV.OFFI.HHZ. | 2021-04-09T22:34:04.90 | 1.0 | undecidable | manual | S | 61 | 19.5693 | 103 | -0.06 | 25 |
IV.TRTR.HHE. | 2021-04-09T22:34:04.10 | 1.0 | undecidable | manual | P | 97 | 36.0417 | 94 | -0.1 | 24 |
IV.NRCA.HHZ. | 2021-04-09T22:34:03.15 | 0.6 | undecidable | manual | P | 267 | 29.3484 | 95 | -0.04 | 50 |
IV.T1299.EHZ. | 2021-04-09T22:34:03.10 | 0.6 | undecidable | manual | P | 213 | 28.5492 | 96 | 0.04 | 50 |
IV.MMO1.EHZ. | 2021-04-09T22:34:03.34 | 0.3 | undecidable | manual | S | 295 | 13.2756 | 118 | -0.02 | 77 |
IV.MTRA.HNZ. | 2021-04-09T22:34:03.15 | 0.3 | undecidable | manual | S | 212 | 12.0768 | 122 | 0.05 | 76 |
IV.MF5.EHZ. | 2021-04-09T22:34:03.85 | 0.6 | undecidable | manual | S | 355 | 15.3735 | 111 | -0.04 | 51 |
IV.CSP1.EHZ. | 2021-04-09T22:34:03.80 | 0.6 | undecidable | manual | P | 321 | 34.743 | 94 | -0.2 | 47 |
IV.TERO.HHZ. | 2021-04-09T22:34:02.68 | 1.0 | undecidable | manual | P | 157 | 27.2505 | 96 | -0.18 | 24 |
IV.SMA1.EHZ. | 2021-04-09T22:34:02.76 | 0.6 | undecidable | manual | P | 205 | 26.8509 | 96 | -0.03 | 50 |
IV.MNTT.EHZ. | 2021-04-09T22:34:02.82 | 0.6 | negative | manual | P | 23 | 25.5522 | 97 | 0.22 | 48 |
IV.MC2.EHZ. | 2021-04-09T22:34:02.44 | 0.6 | negative | manual | P | 287 | 24.2535 | 98 | 0.04 | 50 |
IV.MF5.EHZ. | 2021-04-09T22:34:01.00 | 0.6 | positive | manual | P | 355 | 15.3735 | 111 | -0.08 | 50 |
IV.OFFI.HHZ. | 2021-04-09T22:34:01.79 | 0.1 | positive | manual | P | 61 | 19.5693 | 103 | 0.1 | 100 |
IV.MMO1.EHZ. | 2021-04-09T22:34:00.64 | 1.0 | undecidable | manual | P | 295 | 13.2756 | 118 | -0.13 | 25 |
IV.MTRA.HNZ. | 2021-04-09T22:34:00.60 | 0.6 | undecidable | manual | P | 212 | 12.0768 | 122 | -0.01 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TERO.HHN. | ML:0.8 | 0.000027794680000000002 | 0.1024 | AML | other | m | 2021-04-09T22:34:07.68 |
IV.TERO.HHE. | ML:0.8 | 0.000034964795 | 0.1664 | AML | other | m | 2021-04-09T22:34:07.68 |
IV.NRCA.HHE. | ML:1.3 | 0.00010300000000000001 | 0.14 | AML | other | m | 2021-04-09T22:34:07.96 |
IV.NRCA.HHN. | ML:1.2 | 0.00006855 | 0.1 | AML | other | m | 2021-04-09T22:34:07.90 |
IV.MF5.EHE. | ML:0.8 | 0.00005453552 | 0.4352 | AML | other | m | 2021-04-09T22:34:06.88 |
IV.MF5.EHN. | ML:0.9 | 0.00006578585000000001 | 0.384 | AML | other | m | 2021-04-09T22:34:04.35 |
IV.OFFI.HHE. | ML:1.3 | 0.0001321585 | 1.0496 | AML | other | m | 2021-04-09T22:34:06.04 |
IV.OFFI.HHN. | ML:1.3 | 0.0001514139 | 0.9344 | AML | other | m | 2021-04-09T22:34:05.31 |
IV.CSP1.EHE. | ML:1.0 | 0.000038557005000000004 | 0.9984 | AML | other | m | 2021-04-09T22:34:07.96 |
IV.CSP1.EHN. | ML:1.0 | 0.00003397118 | 0.8576 | AML | other | m | 2021-04-09T22:34:21.32 |
IV.EL6.EHE. | ML:1.2 | 0.000029017316500000003 | 0.32 | AML | other | m | 2021-04-09T22:34:17.96 |
IV.EL6.EHN. | ML:1.4 | 0.000047235855 | 0.2432 | AML | other | m | 2021-04-09T22:34:32.81 |