A magnitude ML 1.5 earthquake occured in region: 2 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8560, 13.5040 at 19 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 2 | 2010 | 2010 |
Venarotta | AP | 3 | 2066 | 4076 |
Ascoli Piceno | AP | 6 | 49407 | 53483 |
Palmiano | AP | 6 | 196 | 53679 |
Folignano | AP | 11 | 9241 | 62920 |
Rotella | AP | 12 | 906 | 63826 |
Force | AP | 12 | 1354 | 65180 |
Acquasanta Terme | AP | 12 | 2916 | 68096 |
Valle Castellana | TE | 13 | 977 | 69073 |
Castignano | AP | 13 | 2796 | 71869 |
Comunanza | AP | 14 | 3166 | 75035 |
Montegallo | AP | 14 | 523 | 75558 |
Appignano del Tronto | AP | 14 | 1785 | 77343 |
Montedinove | AP | 15 | 488 | 77831 |
Montemonaco | AP | 15 | 604 | 78435 |
Maltignano | AP | 15 | 2401 | 80836 |
Montefalcone Appennino | FM | 15 | 424 | 81260 |
Civitella del Tronto | TE | 16 | 5116 | 86376 |
Montefortino | FM | 16 | 1178 | 87554 |
Montalto delle Marche | AP | 17 | 2122 | 89676 |
Castel di Lama | AP | 17 | 8634 | 98310 |
Smerillo | FM | 17 | 365 | 98675 |
Sant'Egidio alla Vibrata | TE | 18 | 9811 | 108486 |
Offida | AP | 18 | 5058 | 113544 |
Montelparo | FM | 18 | 778 | 114322 |
Amandola | FM | 18 | 3629 | 117951 |
Santa Vittoria in Matenano | FM | 18 | 1330 | 119281 |
Castorano | AP | 19 | 2380 | 121661 |
Rocca Santa Maria | TE | 19 | 537 | 122198 |
Arquata del Tronto | AP | 19 | 1178 | 123376 |
Ancarano | TE | 20 | 1857 | 125233 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-10-04 03:52:48 |
42.8558 | 13.5042 | 19 | 2021-02-26 14:56:11 |
Bollettino Sismico Italiano INGV | 85592471 |
Reviewed Rev100 |
ML 1.5 | 2020-10-04 03:52:48 |
42.8618 | 13.5022 | 19 | 2020-10-04 04:02:55 |
Sala Sismica INGV-Roma | 83486261 |
Field | Value |
---|---|
Time (UTC) | 2020-10-04 03:52:48 ± 0.12 |
Latitude | 42.8558 ± 0.0045 |
Longitude | 13.5042 ± 0.0061 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 85592471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 539 |
Semi-minor axis of confidence ellipse (meter) | 75 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 87 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.12680 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36153 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 83486261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-04 04:02:55 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 85592471 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-12-21 03:33:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2020-10-04T03:53:00.42 | 0.6 | undecidable | manual | S | 266 | 31.8459 | 111 | 0.45 | 46 |
IV.SAP2.EHZ. | 2020-10-04T03:52:59.27 | 0.6 | undecidable | manual | S | 342 | 28.0497 | 114 | 0.23 | 48 |
IV.MC2.EHZ. | 2020-10-04T03:52:59.19 | 0.6 | undecidable | manual | S | 284 | 26.3514 | 116 | 0.56 | 46 |
IV.GUMA.HNZ. | 2020-10-04T03:52:58.82 | 0.6 | undecidable | manual | S | 329 | 26.751 | 115 | 0.1 | 50 |
IV.MNTT.EHZ. | 2020-10-04T03:52:58.64 | 0.3 | undecidable | manual | S | 18 | 24.0537 | 119 | 0.56 | 66 |
IV.TERO.HHZ. | 2020-10-04T03:52:58.83 | 0.6 | undecidable | manual | S | 163 | 27.0507 | 115 | 0.02 | 50 |
IV.FDMO.HHZ. | 2020-10-04T03:52:56.18 | 0.1 | undecidable | manual | P | 301 | 39.3273 | 106 | -0.1 | 97 |
IV.MMO1.EHZ. | 2020-10-04T03:52:56.08 | 0.3 | undecidable | manual | S | 289 | 15.1737 | 134 | -0.09 | 75 |
IV.PF6.EHN. | 2020-10-04T03:52:56.88 | 1.0 | undecidable | manual | P | 321 | 40.1265 | 105 | 0.48 | 22 |
IV.NRCA.HHZ. | 2020-10-04T03:52:55.17 | 0.1 | undecidable | manual | P | 266 | 31.8459 | 111 | -0.01 | 100 |
IV.TRTR.HHE. | 2020-10-04T03:52:55.17 | 1.0 | undecidable | manual | P | 99 | 33.744 | 109 | -0.29 | 24 |
IV.CSP1.EHZ. | 2020-10-04T03:52:55.43 | 0.6 | undecidable | manual | P | 317 | 35.742 | 108 | -0.32 | 47 |
IV.MF5.EHZ. | 2020-10-04T03:52:55.96 | 0.3 | undecidable | manual | S | 346 | 15.0738 | 134 | -0.19 | 74 |
IV.MTRA.EHZ. | 2020-10-04T03:52:55.99 | 0.3 | undecidable | manual | S | 219 | 14.0748 | 137 | 0.03 | 78 |
IV.MC2.EHZ. | 2020-10-04T03:52:54.44 | 1.0 | undecidable | manual | P | 284 | 26.3514 | 116 | 0.04 | 25 |
IV.TERO.HHZ. | 2020-10-04T03:52:54.52 | 0.6 | undecidable | manual | P | 163 | 27.0507 | 115 | 0.01 | 50 |
IV.SMA1.EHZ. | 2020-10-04T03:52:54.75 | 0.1 | positive | manual | P | 209 | 28.5492 | 114 | 0.04 | 100 |
IV.GUMA.HNZ. | 2020-10-04T03:52:54.18 | 0.1 | undecidable | manual | P | 329 | 26.751 | 115 | -0.28 | 96 |
IV.MNTT.EHZ. | 2020-10-04T03:52:54.09 | 0.3 | undecidable | manual | P | 18 | 24.0537 | 119 | 0 | 76 |
IV.SAP2.EHZ. | 2020-10-04T03:52:54.78 | 0.6 | undecidable | manual | P | 342 | 28.0497 | 114 | 0.14 | 49 |
IV.MF5.EHZ. | 2020-10-04T03:52:52.73 | 0.1 | negative | manual | P | 346 | 15.0738 | 134 | -0.24 | 99 |
IV.MTRA.EHZ. | 2020-10-04T03:52:52.79 | 0.3 | undecidable | manual | P | 219 | 14.0748 | 137 | -0.07 | 77 |
IV.MMO1.EHZ. | 2020-10-04T03:52:52.84 | 0.3 | undecidable | manual | P | 289 | 15.1737 | 134 | -0.15 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.2 | 0.00011647094999999999 | 0.16 | AML | other | m | 2020-10-04T03:52:56.31 |
IV.MF5.EHN. | ML:1.4 | 0.0001737676 | 0.2624 | AML | other | m | 2020-10-04T03:52:56.25 |
IV.MTRA.HNN. | ML:1.4 | 0.00019479920000000002 | 0.128 | AML | other | m | 2020-10-04T03:52:56.27 |
IV.MTRA.EHN. | ML:1.5 | 0.0002043977 | 0.1376 | AML | other | m | 2020-10-04T03:52:56.34 |
IV.MTRA.HNE. | ML:1.4 | 0.00016194895 | 0.2496 | AML | other | m | 2020-10-04T03:52:58.10 |
IV.TERO.HNN. | ML:1.5 | 0.00013430638 | 0.3872 | AML | other | m | 2020-10-04T03:52:58.44 |
IV.TERO.HHE. | ML:1.4 | 0.00010646686499999999 | 1.9392 | AML | other | m | 2020-10-04T03:52:58.01 |
IV.TERO.HNE. | ML:1.4 | 0.00010872208 | 1.9296 | AML | other | m | 2020-10-04T03:52:58.98 |
IV.TERO.HHN. | ML:1.3 | 0.00009522001 | 0.08 | AML | other | m | 2020-10-04T03:52:59.17 |
IV.SMA1.EHE. | ML:1.3 | 0.00008189362499999999 | 0.08 | AML | other | m | 2020-10-04T03:52:59.87 |
IV.SMA1.EHN. | ML:1.4 | 0.00012063771 | 0.0992 | AML | other | m | 2020-10-04T03:52:59.91 |
IV.MNTT.EHE. | ML:1.9 | 0.00036311624999999995 | 0.32 | AML | other | m | 2020-10-04T03:53:00.69 |
IV.NRCA.HHN. | ML:1.6 | 0.00015268815 | 0.0992 | AML | other | m | 2020-10-04T03:53:00.74 |
IV.NRCA.HNN. | ML:1.6 | 0.00016219554999999999 | 0.16 | AML | other | m | 2020-10-04T03:53:00.73 |
IV.NRCA.HHE. | ML:1.7 | 0.0001984724 | 0.1184 | AML | other | m | 2020-10-04T03:53:00.91 |
IV.NRCA.HNE. | ML:1.7 | 0.00019552485 | 0.128 | AML | other | m | 2020-10-04T03:53:00.91 |
IV.CSP1.EHN. | ML:1.7 | 0.00018473677 | 0.2624 | AML | other | m | 2020-10-04T03:53:01.52 |
IV.FDMO.HHE. | ML:1.0 | 0.000028692148500000002 | 0.1984 | AML | other | m | 2020-10-04T03:53:02.21 |
IV.MNTT.EHN. | ML:1.8 | 0.00034266747 | 0.9024 | AML | other | m | 2020-10-04T03:53:02.59 |
IV.FDMO.HHN. | ML:1.0 | 0.0000327224 | 0.16 | AML | other | m | 2020-10-04T03:53:02.66 |
IV.CSP1.EHE. | ML:1.8 | 0.0002057147 | 0.24 | AML | other | m | 2020-10-04T03:53:11.21 |