A magnitude Md 1.2 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7660, 13.2360 at 11 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 | 5 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 12 | 523 | 2368 |
Norcia | PG | 12 | 4957 | 7325 |
Acquasanta Terme | AP | 14 | 2916 | 10241 |
Amatrice | RI | 16 | 2657 | 12898 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13179 |
Montemonaco | AP | 17 | 604 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 19 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.2 | 2021-01-29 23:42:27 |
42.7662 | 13.236 | 11 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87237441 |
Field | Value |
---|---|
Time (UTC) | 2021-01-29 23:42:27 ± 0.04 |
Latitude | 42.7662 ± 0.0018 |
Longitude | 13.2360 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87237441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 210 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 290 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.11152 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33994 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 87237441 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-17 11:36:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHE. | 2021-01-29T23:42:40.31 | 0.6 | undecidable | manual | S | 315 | 37.7289 | 90 | 0.21 | 47 |
IV.FDMO.HHZ. | 2021-01-29T23:42:38.75 | 0.6 | undecidable | manual | S | 338 | 32.3454 | 90 | 0.1 | 48 |
IV.TERO.HHN. | 2021-01-29T23:42:38.77 | 0.6 | undecidable | manual | S | 118 | 33.9438 | 90 | -0.31 | 46 |
IV.RM33.EHZ. | 2021-01-29T23:42:37.53 | 0.6 | undecidable | manual | S | 184 | 28.5492 | 90 | -0.12 | 48 |
IV.CAMP.HHE. | 2021-01-29T23:42:37.54 | 0.6 | undecidable | manual | S | 151 | 29.1486 | 90 | -0.27 | 47 |
IV.LNSS.HHZ. | 2021-01-29T23:42:36.59 | 0.6 | undecidable | manual | S | 221 | 24.1536 | 90 | 0.13 | 49 |
IV.TERO.HHN. | 2021-01-29T23:42:34.43 | 0.3 | undecidable | manual | P | 118 | 33.9438 | 90 | 0.22 | 69 |
IV.SMA1.EHZ. | 2021-01-29T23:42:34.38 | 0.6 | undecidable | manual | S | 152 | 17.0718 | 90 | -0.2 | 49 |
IV.CESI.HHE. | 2021-01-29T23:42:34.77 | 0.1 | undecidable | manual | P | 315 | 37.7289 | 90 | -0.03 | 96 |
IV.T1299.HNN. | 2021-01-29T23:42:34.24 | 0.6 | undecidable | manual | S | 166 | 15.0738 | 90 | 0.19 | 48 |
IV.MMO1.EHZ. | 2021-01-29T23:42:34.43 | 0.6 | undecidable | manual | S | 27 | 16.5723 | 90 | 0 | 50 |
IV.NRCA.HHZ. | 2021-01-29T23:42:33.13 | 0.6 | undecidable | manual | S | 307 | 12.3765 | 104 | -0.2 | 48 |
IV.RM33.EHZ. | 2021-01-29T23:42:33.34 | 0.3 | undecidable | manual | P | 184 | 28.5492 | 90 | -0.04 | 73 |
IV.CAMP.HHE. | 2021-01-29T23:42:33.24 | 0.1 | undecidable | manual | P | 151 | 29.1486 | 90 | -0.24 | 94 |
IV.FDMO.HHZ. | 2021-01-29T23:42:33.97 | 1.0 | undecidable | manual | P | 338 | 32.3454 | 90 | 0 | 24 |
IV.MF5.EHZ. | 2021-01-29T23:42:33.99 | 0.6 | undecidable | manual | P | 36 | 30.5472 | 90 | 0.3 | 46 |
IV.LNSS.HHZ. | 2021-01-29T23:42:32.61 | 0.6 | undecidable | manual | P | 221 | 24.1536 | 90 | -0.09 | 48 |
IV.SMA1.EHZ. | 2021-01-29T23:42:31.60 | 0.1 | undecidable | manual | P | 152 | 17.0718 | 90 | -0.01 | 100 |
IV.T1299.HNN. | 2021-01-29T23:42:31.40 | 0.1 | undecidable | manual | P | 166 | 15.0738 | 90 | 0.09 | 98 |
IV.MMO1.EHZ. | 2021-01-29T23:42:31.55 | 0.1 | undecidable | manual | P | 27 | 16.5723 | 90 | 0.02 | 99 |
IV.NRCA.HHZ. | 2021-01-29T23:42:30.95 | 0.6 | undecidable | manual | P | 307 | 12.3765 | 104 | 0.06 | 50 |