A magnitude ML 0.7 earthquake occured in region: 7 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8200, 13.2380 at 15 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 7 | 1178 | 1178 |
Montegallo | AP | 8 | 523 | 1701 |
Castelsantangelo sul Nera | MC | 11 | 281 | 1982 |
Montemonaco | AP | 12 | 604 | 2586 |
Norcia | PG | 12 | 4957 | 7543 |
Accumoli | RI | 14 | 667 | 8210 |
Acquasanta Terme | AP | 15 | 2916 | 11126 |
Ussita | MC | 16 | 444 | 11570 |
Montefortino | FM | 16 | 1178 | 12748 |
Visso | MC | 17 | 1107 | 13855 |
Preci | PG | 17 | 724 | 14579 |
Bolognola | MC | 20 | 142 | 14721 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-06-16 23:23:20 |
42.8202 | 13.2377 | 15 | 2021-12-29 11:12:40 |
Bollettino Sismico Italiano INGV | 96982241 |
Reviewed Rev100 |
ML 1.4 | 2021-06-16 23:23:21 |
42.8488 | 13.237 | 13 | 2021-06-16 23:27:59 |
Sala Sismica INGV-Roma | 91422411 |
Field | Value |
---|---|
Time (UTC) | 2021-06-16 23:23:20 ± 0.1 |
Latitude | 42.8202 ± 0.0036 |
Longitude | 13.2377 ± 0.0061 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96982241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 467 |
Semi-minor axis of confidence ellipse (meter) | 340 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 65 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27249 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.8 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96982241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-25 14:52:56 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 91422411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-16 23:27:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-06-16T23:23:51.31 | 3.0 | negative | manual | Pn | -0.12 | 0 | |||
IV.TST02.HHZ. | 2021-06-16T23:23:45.73 | 3.0 | undecidable | manual | P | 1.77 | 0 | |||
IV.FAGN.HHZ. | 2021-06-16T23:23:41.89 | 3.0 | undecidable | manual | S | -0.67 | 0 | |||
IV.FAGN.HHZ. | 2021-06-16T23:23:34.38 | 3.0 | undecidable | manual | P | 0.83 | 0 | |||
IV.CSP1.EHZ. | 2021-06-16T23:23:31.03 | 0.6 | undecidable | manual | S | 355 | 30.2475 | 102 | -0.03 | 49 |
IV.FDMO.HHZ. | 2021-06-16T23:23:30.03 | 0.6 | undecidable | manual | S | 333 | 26.9508 | 105 | -0.17 | 48 |
IV.MF5.EHZ. | 2021-06-16T23:23:30.45 | 0.6 | undecidable | manual | S | 44 | 25.9518 | 106 | 0.51 | 45 |
IV.SMA1.EHN. | 2021-06-16T23:23:29.11 | 0.6 | undecidable | manual | S | 159 | 22.4553 | 110 | 0.04 | 49 |
IV.MTRA.EHE. | 2021-06-16T23:23:27.07 | 0.6 | undecidable | manual | S | 119 | 14.7741 | 125 | -0.15 | 49 |
IV.MMO1.EHZ. | 2021-06-16T23:23:26.21 | 0.6 | undecidable | manual | S | 40 | 11.3775 | 134 | -0.32 | 47 |
IV.MF5.EHZ. | 2021-06-16T23:23:26.13 | 0.3 | undecidable | manual | P | 44 | 25.9518 | 106 | 0.22 | 71 |
IV.MC2.EHZ. | 2021-06-16T23:23:26.60 | 0.6 | undecidable | manual | S | 339 | 10.878 | 136 | 0.17 | 50 |
IV.CSP1.EHZ. | 2021-06-16T23:23:26.41 | 0.3 | undecidable | manual | P | 355 | 30.2475 | 102 | -0.16 | 72 |
IV.NRCA.HHZ. | 2021-06-16T23:23:26.36 | 0.6 | undecidable | manual | S | 278 | 10.1787 | 138 | 0.06 | 51 |
IV.FDMO.HHZ. | 2021-06-16T23:23:25.95 | 0.3 | undecidable | manual | P | 333 | 26.9508 | 105 | -0.11 | 73 |
IV.SMA1.EHN. | 2021-06-16T23:23:25.44 | 0.3 | undecidable | manual | P | 159 | 22.4553 | 110 | 0.03 | 74 |
IV.MTRA.EHE. | 2021-06-16T23:23:24.27 | 0.1 | undecidable | manual | P | 119 | 14.7741 | 125 | -0.07 | 100 |
IV.MC2.EHZ. | 2021-06-16T23:23:24.03 | 0.3 | undecidable | manual | P | 339 | 10.878 | 136 | 0.14 | 74 |
IV.NRCA.HHZ. | 2021-06-16T23:23:23.96 | 0.1 | undecidable | manual | P | 278 | 10.1787 | 138 | 0.15 | 99 |
IV.MMO1.EHZ. | 2021-06-16T23:23:23.83 | 0.1 | undecidable | manual | P | 40 | 11.3775 | 134 | -0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FAGN.HHN. | ML:1.4 | 0.000042550000000000004 | 0.18 | AML | other | m | 2021-06-16T23:23:42.39 |
IV.FAGN.HHE. | ML:1.4 | 0.000040300000000000004 | 1.02 | AML | other | m | 2021-06-16T23:23:45.53 |
IV.FDMO.HHN. | ML:0.0 | 0.0000062464285 | 0.2048 | AML | other | m | 2021-06-16T23:23:30.24 |
IV.FDMO.HHE. | ML:0.0 | 0.000006593235 | 0.128 | AML | other | m | 2021-06-16T23:23:32.24 |