A magnitude ML 0.6 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7650, 13.2660 at 15 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 | 18 | 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 21:42:15 |
42.7652 | 13.2662 | 15 | 2021-08-14 22:23:30 |
Sala Sismica INGV-Roma | 94167441 |
Field | Value |
---|---|
Time (UTC) | 2021-08-14 21:42:15 ± 0.08 |
Latitude | 42.7652 ± 0.0027 |
Longitude | 13.2662 ± 0.0049 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94167441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 449 |
Semi-minor axis of confidence ellipse (meter) | 63 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 68 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 18 |
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) | 0.33005 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94167441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-14 22:23:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ORI.HHZ. | 2021-08-14T21:43:51.41 | 3.0 | undecidable | manual | Sn | -2.44 | 0 | |||
MN.CLTB.HHZ. | 2021-08-14T21:43:51.52 | 3.0 | negative | manual | Pg | 18.01 | 0 | |||
IV.MCPD.HHZ. | 2021-08-14T21:43:38.90 | 3.0 | negative | manual | Pg | 11.46 | 0 | |||
GU.MGRO.HHZ. | 2021-08-14T21:43:27.75 | 3.0 | positive | manual | Pn | 5.86 | 0 | |||
IV.MAGA.HHZ. | 2021-08-14T21:43:21.30 | 3.0 | positive | manual | Pg | 8.59 | 0 | |||
IV.SEI.HHZ. | 2021-08-14T21:43:19.03 | 3.0 | undecidable | manual | Sg | 1.81 | 0 | |||
IV.MOCL.EHZ. | 2021-08-14T21:43:19.70 | 3.0 | undecidable | manual | Sn | 0.77 | 0 | |||
IV.BRSN.EHZ. | 2021-08-14T21:43:15.52 | 3.0 | undecidable | manual | Sg | 2.61 | 0 | |||
ST.VARA.EHZ. | 2021-08-14T21:43:12.62 | 3.0 | undecidable | manual | Pn | 0.74 | 0 | |||
NI.VINO.HHZ. | 2021-08-14T21:43:12.81 | 3.0 | undecidable | manual | Pn | 1.96 | 0 | |||
IV.VIVA.HHZ. | 2021-08-14T21:42:34.40 | 3.0 | positive | manual | P | -3.54 | 0 | |||
IV.COR1.EHZ. | 2021-08-14T21:42:34.24 | 3.0 | positive | manual | P | -0.76 | 0 | |||
IV.FDMO.HHZ. | 2021-08-14T21:42:27.44 | 0.6 | undecidable | manual | S | 334 | 33.4443 | 100 | 0.04 | 65 |
IV.RM33.EHZ. | 2021-08-14T21:42:26.14 | 0.6 | undecidable | manual | S | 188 | 28.749 | 103 | -0.02 | 65 |
IV.TERO.HHZ. | 2021-08-14T21:42:26.80 | 0.6 | undecidable | manual | S | 120 | 31.746 | 101 | -0.16 | 64 |
IV.CSP1.EHZ. | 2021-08-14T21:42:23.02 | 0.3 | undecidable | manual | P | 352 | 36.6411 | 99 | -0.01 | 96 |
IV.MC2.EHZ. | 2021-08-14T21:42:23.60 | 0.6 | undecidable | manual | S | 339 | 17.3715 | 117 | 0.29 | 63 |
IV.FDMO.HHZ. | 2021-08-14T21:42:22.48 | 0.3 | undecidable | manual | P | 334 | 33.4443 | 100 | -0.08 | 96 |
IV.T1299.EHZ. | 2021-08-14T21:42:22.76 | 0.6 | undecidable | manual | S | 175 | 14.5743 | 124 | 0.09 | 66 |
IV.NRCA.HHZ. | 2021-08-14T21:42:22.29 | 0.6 | undecidable | manual | S | 302 | 14.4744 | 124 | -0.36 | 62 |
IV.MMO1.EHZ. | 2021-08-14T21:42:22.82 | 0.6 | undecidable | manual | S | 18 | 15.6732 | 121 | -0.09 | 66 |
IV.SMA1.EHZ. | 2021-08-14T21:42:22.61 | 0.6 | undecidable | manual | S | 159 | 15.9729 | 121 | -0.37 | 62 |
IV.TERO.HHZ. | 2021-08-14T21:42:22.25 | 0.3 | undecidable | manual | P | 120 | 31.746 | 101 | -0.04 | 97 |
IV.RM33.EHZ. | 2021-08-14T21:42:21.80 | 0.3 | undecidable | manual | P | 188 | 28.749 | 103 | -0.04 | 98 |
IV.LNSS.HNN. | 2021-08-14T21:42:21.40 | 0.3 | undecidable | manual | P | 226 | 25.752 | 105 | 0 | 98 |
IV.SMA1.EHZ. | 2021-08-14T21:42:20.21 | 0.3 | undecidable | manual | P | 159 | 15.9729 | 121 | 0.21 | 96 |
IV.MC2.EHZ. | 2021-08-14T21:42:20.40 | 0.3 | undecidable | manual | P | 339 | 17.3715 | 117 | 0.2 | 96 |
IV.T1299.EHZ. | 2021-08-14T21:42:19.96 | 0.3 | undecidable | manual | P | 175 | 14.5743 | 124 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-08-14T21:42:19.70 | 0.3 | undecidable | manual | P | 302 | 14.4744 | 124 | -0.11 | 98 |
IV.MMO1.EHZ. | 2021-08-14T21:42:19.98 | 0.3 | undecidable | manual | P | 18 | 15.6732 | 121 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.8 | 0.000044999999999999996 | 1.1 | AML | other | m | 2021-08-14T21:42:22.87 |
IV.SMA1.EHN. | ML:0.5 | 0.000023539595 | 0.1408 | AML | other | m | 2021-08-14T21:42:23.18 |
IV.SMA1.EHE. | ML:0.6 | 0.00003065319 | 0.1536 | AML | other | m | 2021-08-14T21:42:22.96 |
IV.NRCA.HHN. | ML:0.8 | 0.00005205 | 0.08 | AML | other | m | 2021-08-14T21:42:22.93 |
IV.RM33.EHN. | ML:0.5 | 0.000015949999999999998 | 0.2 | AML | other | m | 2021-08-14T21:42:26.43 |
IV.FDMO.HHN. | ML:0.6 | 0.000013344999999999998 | 0.24 | AML | other | m | 2021-08-14T21:42:27.64 |
IV.FDMO.HHE. | ML:0.4 | 0.000009805 | 0.64 | AML | other | m | 2021-08-14T21:42:27.69 |
IV.RM33.EHE. | ML:0.5 | 0.0000154 | 1.56 | AML | other | m | 2021-08-14T21:42:27.02 |