A magnitude ML 1.0 earthquake occured in region: 5 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8020, 13.2500 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 |
Montegallo | AP | 8 | 523 | 1701 |
Accumoli | RI | 12 | 667 | 2368 |
Montemonaco | AP | 13 | 604 | 2972 |
Norcia | PG | 13 | 4957 | 7929 |
Castelsantangelo sul Nera | MC | 13 | 281 | 8210 |
Acquasanta Terme | AP | 14 | 2916 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Ussita | MC | 18 | 444 | 12748 |
Preci | PG | 19 | 724 | 13472 |
Amatrice | RI | 19 | 2657 | 16129 |
Visso | MC | 20 | 1107 | 17236 |
Roccafluvione | AP | 20 | 2010 | 19246 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2020-04-21 19:28:24 |
42.8023 | 13.2498 | 11 | 2020-07-18 21:08:38 |
Bollettino Sismico Italiano INGV | 79895301 |
Reviewed Rev100 |
ML 1.4 | 2020-04-21 19:28:24 |
42.8028 | 13.2447 | 14 | 2020-04-21 19:36:56 |
Sala Sismica INGV-Roma | 78449301 |
Field | Value |
---|---|
Time (UTC) | 2020-04-21 19:28:24 ± 0.07 |
Latitude | 42.8023 ± 0.0036 |
Longitude | 13.2498 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79895301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 548 |
Semi-minor axis of confidence ellipse (meter) | 352 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 262 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
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 | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.10432 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31566 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 79895301 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-04 13:16:47 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78449301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-21 19:36:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-04-21T19:28:36.00 | 0.6 | undecidable | manual | S | 124 | 35.0427 | 90 | -0.14 | 48 |
IV.RM33.EHZ. | 2020-04-21T19:28:35.70 | 0.6 | undecidable | manual | S | 185 | 32.6451 | 90 | 0.2 | 47 |
IV.CSP1.EHZ. | 2020-04-21T19:28:35.20 | 0.6 | undecidable | manual | S | 354 | 32.3454 | 90 | -0.2 | 47 |
IV.GUMA.HHE. | 2020-04-21T19:28:35.39 | 0.3 | undecidable | manual | S | 13 | 29.748 | 90 | 0.69 | 63 |
IV.FDMO.HHZ. | 2020-04-21T19:28:34.30 | 0.6 | undecidable | manual | S | 333 | 29.1486 | 90 | -0.26 | 47 |
IV.SMA1.EHZ. | 2020-04-21T19:28:32.00 | 0.6 | undecidable | manual | S | 160 | 20.2686 | 91 | -0.19 | 49 |
IV.NRCA.HHZ. | 2020-04-21T19:28:30.00 | 0.1 | undecidable | manual | S | 287 | 11.5773 | 112 | 0.11 | 100 |
IV.RM33.EHZ. | 2020-04-21T19:28:30.71 | 0.3 | undecidable | manual | P | 185 | 32.6451 | 90 | -0.06 | 73 |
IV.MF5.EHN. | 2020-04-21T19:28:30.10 | 0.3 | undecidable | manual | P | 40 | 26.751 | 90 | 0.25 | 71 |
IV.MMO1.EHZ. | 2020-04-21T19:28:30.00 | 0.1 | undecidable | manual | S | 30 | 12.4764 | 106 | -0.11 | 100 |
IV.CSP1.EHZ. | 2020-04-21T19:28:30.48 | 0.6 | negative | manual | P | 354 | 32.3454 | 90 | -0.24 | 47 |
IV.TERO.HHZ. | 2020-04-21T19:28:30.92 | 0.6 | undecidable | manual | P | 124 | 35.0427 | 90 | -0.22 | 47 |
IV.GUMA.HHE. | 2020-04-21T19:28:30.27 | 0.6 | undecidable | manual | P | 13 | 29.748 | 90 | -0.04 | 49 |
IV.FDMO.HHZ. | 2020-04-21T19:28:29.92 | 0.1 | undecidable | manual | P | 333 | 29.1486 | 90 | -0.31 | 93 |
IV.SMA1.EHZ. | 2020-04-21T19:28:28.92 | 0.3 | undecidable | manual | P | 160 | 20.2686 | 91 | 0.05 | 74 |
IV.MMO1.EHZ. | 2020-04-21T19:28:27.53 | 0.1 | undecidable | manual | P | 30 | 12.4764 | 106 | -0.13 | 100 |
IV.MTRA.HNZ. | 2020-04-21T19:28:27.93 | 0.3 | undecidable | manual | P | 113 | 12.9759 | 103 | 0.19 | 73 |
IV.NRCA.HHZ. | 2020-04-21T19:28:27.67 | 0.1 | negative | manual | P | 287 | 11.5773 | 112 | 0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.5 | 0.00037855445 | 0.1792 | AML | other | m | 2020-04-21T19:28:30.62 |
IV.NRCA.HNN. | ML:1.8 | 0.0007938243 | 0.1536 | AML | other | m | 2020-04-21T19:28:30.20 |
IV.NRCA.HHN. | ML:1.9 | 0.0008814777499999999 | 0.1536 | AML | other | m | 2020-04-21T19:28:30.20 |
IV.NRCA.HHE. | ML:1.6 | 0.0004002239 | 0.1664 | AML | other | m | 2020-04-21T19:28:30.62 |
IV.SMA1.EHE. | ML:0.8 | 0.000040220875000000005 | 0.128 | AML | other | m | 2020-04-21T19:28:32.41 |
IV.SMA1.EHN. | ML:0.8 | 0.00004584556 | 0.1024 | AML | other | m | 2020-04-21T19:28:32.99 |
IV.FDMO.HHN. | ML:0.5 | 0.000015834668999999998 | 0.1792 | AML | other | m | 2020-04-21T19:28:34.45 |
IV.CSP1.EHN. | ML:1.1 | 0.000047834152500000004 | 0.1792 | AML | other | m | 2020-04-21T19:28:35.42 |
IV.CSP1.EHE. | ML:1.0 | 0.000043572020000000004 | 0.2048 | AML | other | m | 2020-04-21T19:28:35.72 |
IV.RM33.EHE. | ML:1.0 | 0.0000377899165 | 0.1792 | AML | other | m | 2020-04-21T19:28:36.53 |
IV.RM33.EHN. | ML:0.9 | 0.00003587499 | 0.1536 | AML | other | m | 2020-04-21T19:28:36.09 |
IV.TERO.HHE. | ML:0.6 | 0.000012890115 | 0.1024 | AML | other | m | 2020-04-21T19:28:36.52 |