A magnitude ML 1.0 earthquake occured in region: 4 km SW Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6020, 13.2680 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 |
---|---|---|---|---|
Amatrice | RI | 4 | 2657 | 2657 |
Montereale | AQ | 9 | 2581 | 5238 |
Cittareale | RI | 9 | 482 | 5720 |
Capitignano | AQ | 9 | 665 | 6385 |
Campotosto | AQ | 10 | 542 | 6927 |
Accumoli | RI | 11 | 667 | 7594 |
Borbona | RI | 15 | 617 | 8211 |
Cagnano Amiterno | AQ | 16 | 1369 | 9580 |
Posta | RI | 17 | 694 | 10274 |
Barete | AQ | 17 | 737 | 11011 |
Crognaleto | TE | 18 | 1297 | 12308 |
Pizzoli | AQ | 19 | 4326 | 16634 |
Arquata del Tronto | AP | 19 | 1178 | 17812 |
Cortino | TE | 20 | 656 | 18468 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-07-21 21:45:47 |
42.602 | 13.2682 | 15 | 2021-12-29 11:12:20 |
Bollettino Sismico Italiano INGV | 94119661 |
Reviewed Rev100 |
ML 1.0 | 2021-07-21 21:45:47 |
42.602 | 13.2682 | 15 | 2021-07-21 22:06:41 |
Sala Sismica INGV-Roma | 93033261 |
Field | Value |
---|---|
Time (UTC) | 2021-07-21 21:45:47 ± 0.08 |
Latitude | 42.6020 ± 0.0045 |
Longitude | 13.2682 ± 0.0049 |
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 | 94119661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 427 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 2 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.03417 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31476 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94119661 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-14 06:58:59 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 93033261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-21 22:06:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-07-21T21:45:58.06 | 0.6 | undecidable | manual | S | 334 | 28.5492 | 102 | -0.03 | 48 |
IV.GIGS.HJZ. | 2021-07-21T21:45:58.41 | 0.6 | undecidable | manual | S | 123 | 29.8479 | 101 | -0.03 | 48 |
IV.TERO.HHZ. | 2021-07-21T21:45:57.95 | 0.6 | undecidable | manual | S | 85 | 27.5502 | 103 | 0.14 | 48 |
IV.LNSS.HNZ. | 2021-07-21T21:45:55.36 | 0.6 | undecidable | manual | S | 270 | 18.5703 | 114 | -0.19 | 48 |
IV.MC2.EHZ. | 2021-07-21T21:45:55.02 | 1.0 | positive | manual | P | 349 | 34.9428 | 99 | 0.27 | 23 |
IV.MTRA.HNZ. | 2021-07-21T21:45:55.89 | 0.6 | undecidable | manual | S | 31 | 20.0688 | 112 | -0.03 | 48 |
IV.NRCA.HHZ. | 2021-07-21T21:45:53.91 | 0.1 | undecidable | manual | P | 334 | 28.5492 | 102 | 0.12 | 94 |
IV.GIGS.HJZ. | 2021-07-21T21:45:53.97 | 0.1 | undecidable | manual | P | 123 | 29.8479 | 101 | -0.02 | 96 |
IV.SMA1.EHZ. | 2021-07-21T21:45:53.22 | 0.3 | undecidable | manual | S | 60 | 6.2937 | 151 | 0.12 | 73 |
IV.RM33.EHZ. | 2021-07-21T21:45:53.62 | 0.6 | undecidable | manual | S | 203 | 11.1777 | 133 | -0.29 | 47 |
IV.TERO.HHZ. | 2021-07-21T21:45:53.72 | 0.6 | undecidable | manual | P | 85 | 27.5502 | 103 | 0.09 | 48 |
IV.T1299.EHZ. | 2021-07-21T21:45:52.75 | 0.6 | undecidable | manual | S | 18 | 3.7962 | 162 | -0.08 | 50 |
IV.MTRA.HNZ. | 2021-07-21T21:45:52.16 | 0.1 | undecidable | manual | P | 31 | 20.0688 | 112 | -0.38 | 90 |
IV.LNSS.HNZ. | 2021-07-21T21:45:52.33 | 0.1 | undecidable | manual | P | 270 | 18.5703 | 114 | 0.01 | 98 |
IV.RM33.EHZ. | 2021-07-21T21:45:51.50 | 0.3 | positive | manual | P | 203 | 11.1777 | 133 | 0.13 | 72 |
IV.SMA1.EHZ. | 2021-07-21T21:45:51.21 | 0.6 | negative | manual | P | 60 | 6.2937 | 151 | 0.3 | 47 |
IV.T1299.EHZ. | 2021-07-21T21:45:50.77 | 0.1 | undecidable | manual | P | 18 | 3.7962 | 162 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.0 | 0.00011650000000000001 | 0.26 | AML | other | m | 2021-07-21T21:45:53.47 |
IV.SMA1.EHN. | ML:0.9 | 0.00008010000000000001 | 0.98 | AML | other | m | 2021-07-21T21:45:53.51 |
IV.RM33.HNN. | ML:1.1 | 0.000126582155 | 0.256 | AML | other | m | 2021-07-21T21:45:53.82 |
IV.RM33.EHN. | ML:1.0 | 0.0001055 | 0.7 | AML | other | m | 2021-07-21T21:45:53.71 |
IV.RM33.EHE. | ML:1.1 | 0.0001235 | 0.32 | AML | other | m | 2021-07-21T21:45:53.94 |
IV.RM33.HNE. | ML:1.1 | 0.00011951947039999999 | 0.1536 | AML | other | m | 2021-07-21T21:45:53.72 |
IV.TERO.HHE. | ML:0.8 | 0.000031724079500000004 | 0.3456 | AML | other | m | 2021-07-21T21:45:58.18 |
IV.NRCA.HHN. | ML:0.9 | 0.0000375 | 0.12 | AML | other | m | 2021-07-21T21:45:58.31 |
IV.NRCA.HHE. | ML:0.9 | 0.000041750000000000005 | 0.14 | AML | other | m | 2021-07-21T21:45:58.24 |
IV.TERO.HHN. | ML:0.3 | 0.0000076099964999999996 | 0.2432 | AML | other | m | 2021-07-21T21:45:58.27 |