A magnitude ML 1.3 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7700, 13.2050 at 9 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 | 8 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Norcia | PG | 9 | 4957 | 6802 |
Montegallo | AP | 13 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 15 | 281 | 7606 |
Cascia | PG | 17 | 3217 | 10823 |
Acquasanta Terme | AP | 17 | 2916 | 13739 |
Amatrice | RI | 17 | 2657 | 16396 |
Cittareale | RI | 17 | 482 | 16878 |
Montemonaco | AP | 18 | 604 | 17482 |
Preci | PG | 18 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-05-08 17:44:59 |
42.7698 | 13.2048 | 9 | 2021-05-08 17:55:56 |
Sala Sismica INGV-Roma | 89921691 |
Field | Value |
---|---|
Time (UTC) | 2021-05-08 17:44:59 ± 0.05 |
Latitude | 42.7698 ± 0.0027 |
Longitude | 13.2048 ± 0.0037 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89921691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 215 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 108 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 63 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
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 | 13 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 89921691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-08 17:55:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-05-08T17:45:20.83 | 3.0 | positive | manual | P | 0.6 | 0 | |||
IV.ASSB.HHZ. | 2021-05-08T17:45:16.87 | 3.0 | undecidable | manual | S | -0.58 | 0 | |||
IV.CESI.HHZ. | 2021-05-08T17:45:12.02 | 0.3 | undecidable | manual | S | 317 | 35.742 | 50 | 0.19 | 70 |
IV.MF5.EHZ. | 2021-05-08T17:45:11.67 | 0.3 | undecidable | manual | S | 41 | 31.8459 | 50 | 0.87 | 57 |
IV.CSP1.EHZ. | 2021-05-08T17:45:11.75 | 0.3 | undecidable | manual | S | 0 | 35.742 | 50 | -0.09 | 71 |
IV.TERO.HHZ. | 2021-05-08T17:45:11.62 | 0.3 | undecidable | manual | S | 116 | 36.4413 | 50 | -0.4 | 67 |
IV.FDMO.HHZ. | 2021-05-08T17:45:10.41 | 0.3 | undecidable | manual | S | 342 | 31.0467 | 50 | -0.19 | 70 |
IV.RM33.EHZ. | 2021-05-08T17:45:10.00 | 0.3 | undecidable | manual | S | 178 | 28.9488 | 50 | -0.03 | 73 |
IV.GAVE.EHZ. | 2021-05-08T17:45:09.29 | 0.3 | undecidable | manual | S | 251 | 26.751 | 109 | -0.01 | 74 |
IV.LNSS.HHZ. | 2021-05-08T17:45:08.19 | 0.3 | undecidable | manual | S | 216 | 22.8549 | 112 | 0.14 | 72 |
IV.SMA1.EHZ. | 2021-05-08T17:45:06.86 | 0.3 | undecidable | manual | S | 145 | 18.7701 | 117 | 0.11 | 73 |
IV.TERO.HHZ. | 2021-05-08T17:45:06.53 | 0.3 | undecidable | manual | P | 116 | 36.4413 | 50 | -0.18 | 70 |
IV.CESI.HHZ. | 2021-05-08T17:45:06.63 | 0.3 | undecidable | manual | P | 317 | 35.742 | 50 | 0.02 | 72 |
IV.MF5.EHZ. | 2021-05-08T17:45:06.26 | 0.1 | undecidable | manual | P | 41 | 31.8459 | 50 | 0.25 | 93 |
IV.MMO1.EHZ. | 2021-05-08T17:45:06.22 | 0.1 | undecidable | manual | S | 35 | 17.4714 | 118 | -0.13 | 97 |
IV.CSP1.EHZ. | 2021-05-08T17:45:06.36 | 0.3 | undecidable | manual | P | 0 | 35.742 | 50 | -0.25 | 69 |
IV.RM33.EHZ. | 2021-05-08T17:45:05.47 | 0.1 | undecidable | manual | P | 178 | 28.9488 | 50 | -0.1 | 96 |
IV.FDMO.HHZ. | 2021-05-08T17:45:05.68 | 0.3 | undecidable | manual | P | 342 | 31.0467 | 50 | -0.21 | 70 |
IV.MTRA.EHZ. | 2021-05-08T17:45:05.70 | 0.3 | undecidable | manual | S | 95 | 15.6732 | 121 | -0.11 | 73 |
IV.GAVE.EHZ. | 2021-05-08T17:45:05.22 | 0.3 | undecidable | manual | P | 251 | 26.751 | 109 | 0.07 | 73 |
IV.NRCA.HHZ. | 2021-05-08T17:45:04.17 | 0.3 | undecidable | manual | S | 314 | 10.1787 | 133 | -0.11 | 74 |
IV.LNSS.HHZ. | 2021-05-08T17:45:04.50 | 0.3 | undecidable | manual | P | 216 | 22.8549 | 112 | 0.08 | 73 |
IV.MMO1.EHZ. | 2021-05-08T17:45:03.37 | 0.1 | undecidable | manual | P | 35 | 17.4714 | 118 | -0.07 | 99 |
IV.MC2.EHZ. | 2021-05-08T17:45:03.23 | 0.1 | undecidable | manual | P | 355 | 15.7731 | 121 | 0.09 | 98 |
IV.SMA1.EHZ. | 2021-05-08T17:45:03.78 | 0.3 | undecidable | manual | P | 145 | 18.7701 | 117 | 0.11 | 73 |
IV.MTRA.EHZ. | 2021-05-08T17:45:03.27 | 0.1 | undecidable | manual | P | 95 | 15.6732 | 121 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-05-08T17:45:02.19 | 0.1 | undecidable | manual | P | 314 | 10.1787 | 133 | -0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0004051976 | 0.1024 | AML | other | m | 2021-05-08T17:45:04.77 |
IV.NRCA.HHE. | ML:1.5 | 0.0004211303 | 0.1024 | AML | other | m | 2021-05-08T17:45:04.38 |
IV.MTRA.EHN. | ML:1.1 | 0.00010896842 | 0.3328 | AML | other | m | 2021-05-08T17:45:08.63 |
IV.MTRA.EHE. | ML:1.1 | 0.00011229298 | 0.128 | AML | other | m | 2021-05-08T17:45:07.16 |
IV.LNSS.HHE. | ML:1.4 | 0.00016549999999999998 | 0.14 | AML | other | m | 2021-05-08T17:45:08.49 |
IV.SMA1.EHE. | ML:0.9 | 0.0000624 | 0.88 | AML | other | m | 2021-05-08T17:45:08.05 |
IV.LNSS.HHN. | ML:1.5 | 0.00021700000000000002 | 0.18 | AML | other | m | 2021-05-08T17:45:08.55 |
IV.SMA1.EHN. | ML:0.9 | 0.00006075 | 0.68 | AML | other | m | 2021-05-08T17:45:09.56 |
IV.GAVE.EHE. | ML:1.2 | 0.00009309999999999999 | 0.14 | AML | other | m | 2021-05-08T17:45:09.54 |
IV.GAVE.EHN. | ML:1.4 | 0.000135 | 1.88 | AML | other | m | 2021-05-08T17:45:09.94 |
IV.RM33.EHN. | ML:1.3 | 0.00010994999999999999 | 0.18 | AML | other | m | 2021-05-08T17:45:10.41 |
IV.RM33.EHE. | ML:1.2 | 0.00007280000000000001 | 1.02 | AML | other | m | 2021-05-08T17:45:11.61 |
IV.NRCA.HNE. | ML:1.5 | 0.00037417879999999997 | 0.1408 | AML | other | m | 2021-05-08T17:45:04.33 |
IV.NRCA.HNN. | ML:1.4 | 0.0003696913 | 0.1024 | AML | other | m | 2021-05-08T17:45:04.83 |
IV.MTRA.HNE. | ML:1.0 | 0.00010477612000000001 | 0.1024 | AML | other | m | 2021-05-08T17:45:07.16 |
IV.MTRA.HNN. | ML:1.2 | 0.00013808958499999998 | 4.224 | AML | other | m | 2021-05-08T17:45:05.79 |
IV.LNSS.HNE. | ML:1.4 | 0.00016002852499999998 | 0.1664 | AML | other | m | 2021-05-08T17:45:08.49 |
IV.LNSS.HNN. | ML:1.5 | 0.00021297905 | 0.1792 | AML | other | m | 2021-05-08T17:45:08.54 |
IV.GAVE.HNE. | ML:1.5 | 0.0001903187 | 2.0352 | AML | other | m | 2021-05-08T17:45:10.87 |
IV.GAVE.HNN. | ML:1.5 | 0.00018893495 | 1.3696 | AML | other | m | 2021-05-08T17:45:18.49 |
IV.RM33.HNE. | ML:1.4 | 0.00011859951999999999 | 1.4208 | AML | other | m | 2021-05-08T17:45:11.10 |
IV.RM33.HNN. | ML:1.4 | 0.000127180635 | 0.2048 | AML | other | m | 2021-05-08T17:45:10.50 |
IV.CSP1.EHE. | ML:1.2 | 0.00006777986499999999 | 0.32 | AML | other | m | 2021-05-08T17:45:13.33 |
IV.CSP1.EHN. | ML:1.3 | 0.00007688113499999999 | 0.1792 | AML | other | m | 2021-05-08T17:45:12.60 |