A magnitude ML 0.6 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7660, 13.2670 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 3 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Norcia | PG | 14 | 4957 | 10241 |
Amatrice | RI | 15 | 2657 | 12898 |
Montemonaco | AP | 16 | 604 | 13502 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Valle Castellana | TE | 19 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-08-14 21:37:42 |
42.7662 | 13.2667 | 13 | 2021-08-14 21:51:15 |
Sala Sismica INGV-Roma | 94166081 |
Field | Value |
---|---|
Time (UTC) | 2021-08-14 21:37:42 ± 0.07 |
Latitude | 42.7662 ± 0.0027 |
Longitude | 13.2667 ± 0.0049 |
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 | 94166081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 416 |
Semi-minor axis of confidence ellipse (meter) | 158 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32825 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94166081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-14 21:51:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTRJ.HHZ. | 2021-08-14T21:38:34.30 | 3.0 | undecidable | manual | Sn | 4.52 | 0 | |||
IV.APEC.HHZ. | 2021-08-14T21:38:14.67 | 3.0 | undecidable | manual | S | 0.35 | 0 | |||
IV.VVLD.HHZ. | 2021-08-14T21:38:13.71 | 3.0 | undecidable | manual | S | 1.98 | 0 | |||
IV.FIAM.HHZ. | 2021-08-14T21:38:03.07 | 3.0 | undecidable | manual | S | 1.93 | 0 | |||
IV.PESA.HHZ. | 2021-08-14T21:38:01.87 | 3.0 | undecidable | manual | P | -0.56 | 0 | |||
IV.RM33.EHZ. | 2021-08-14T21:37:52.78 | 0.6 | undecidable | manual | S | 189 | 28.8489 | 97 | 0.05 | 65 |
IV.MC2.EHZ. | 2021-08-14T21:37:50.02 | 0.6 | undecidable | manual | S | 339 | 17.2716 | 109 | 0.31 | 63 |
IV.MMO1.EHZ. | 2021-08-14T21:37:49.34 | 0.6 | undecidable | manual | S | 18 | 15.5733 | 114 | 0.06 | 66 |
IV.T1299.EHZ. | 2021-08-14T21:37:49.29 | 0.6 | undecidable | manual | S | 175 | 14.6742 | 116 | 0.22 | 64 |
IV.SMA1.EHZ. | 2021-08-14T21:37:49.09 | 0.6 | undecidable | manual | S | 160 | 16.0728 | 112 | -0.31 | 63 |
IV.CSP1.EHZ. | 2021-08-14T21:37:49.51 | 0.3 | undecidable | manual | P | 352 | 36.4413 | 95 | -0.08 | 96 |
IV.NRCA.HHZ. | 2021-08-14T21:37:48.76 | 0.6 | undecidable | manual | S | 301 | 14.4744 | 117 | -0.27 | 64 |
IV.RM33.EHZ. | 2021-08-14T21:37:48.32 | 0.3 | undecidable | manual | P | 189 | 28.8489 | 97 | -0.1 | 96 |
IV.FDMO.HHZ. | 2021-08-14T21:37:48.91 | 0.3 | undecidable | manual | P | 334 | 33.3444 | 96 | -0.2 | 94 |
IV.TERO.HHZ. | 2021-08-14T21:37:48.71 | 0.3 | undecidable | manual | P | 120 | 31.746 | 96 | -0.16 | 95 |
IV.MTRA.HNZ. | 2021-08-14T21:37:48.21 | 0.6 | undecidable | manual | S | 96 | 10.5783 | 129 | 0.05 | 67 |
IV.MC2.EHZ. | 2021-08-14T21:37:46.78 | 0.3 | undecidable | manual | P | 339 | 17.2716 | 109 | 0.1 | 98 |
IV.NRCA.HHZ. | 2021-08-14T21:37:46.24 | 0.3 | undecidable | manual | P | 301 | 14.4744 | 117 | -0.04 | 100 |
IV.MMO1.EHZ. | 2021-08-14T21:37:46.45 | 0.3 | undecidable | manual | P | 18 | 15.5733 | 114 | 0.02 | 100 |
IV.T1299.EHZ. | 2021-08-14T21:37:46.48 | 0.3 | undecidable | manual | P | 175 | 14.6742 | 116 | 0.16 | 97 |
IV.SMA1.EHZ. | 2021-08-14T21:37:46.66 | 0.3 | undecidable | manual | P | 160 | 16.0728 | 112 | 0.15 | 97 |
IV.MTRA.HNZ. | 2021-08-14T21:37:45.86 | 0.3 | undecidable | manual | P | 96 | 10.5783 | 129 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.00007344999999999998 | 0.44 | AML | other | m | 2021-08-14T21:37:49.38 |
IV.SMA1.EHN. | ML:0.6 | 0.0000318 | 0.38 | AML | other | m | 2021-08-14T21:37:49.58 |
IV.SMA1.EHE. | ML:0.7 | 0.00003945 | 0.42 | AML | other | m | 2021-08-14T21:37:49.69 |
IV.NRCA.HHE. | ML:0.7 | 0.00004455 | 1 | AML | other | m | 2021-08-14T21:37:50.11 |
IV.RM33.EHN. | ML:0.6 | 0.000017500000000000002 | 1.8 | AML | other | m | 2021-08-14T21:37:53.93 |
IV.FDMO.HHN. | ML:0.4 | 0.000011435000000000001 | 0.24 | AML | other | m | 2021-08-14T21:37:54.14 |
IV.FDMO.HHE. | ML:0.4 | 0.00000972 | 0.2 | AML | other | m | 2021-08-14T21:37:54.28 |
IV.RM33.EHE. | ML:0.5 | 0.000013850000000000001 | 0.42 | AML | other | m | 2021-08-14T21:37:54.53 |