A magnitude ML 0.5 earthquake occured in region: 9 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8350, 13.2280 at 14 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 |
---|---|---|---|---|
Montegallo | AP | 9 | 523 | 523 |
Arquata del Tronto | AP | 9 | 1178 | 1701 |
Castelsantangelo sul Nera | MC | 9 | 281 | 1982 |
Montemonaco | AP | 11 | 604 | 2586 |
Norcia | PG | 12 | 4957 | 7543 |
Ussita | MC | 14 | 444 | 7987 |
Montefortino | FM | 15 | 1178 | 9165 |
Accumoli | RI | 16 | 667 | 9832 |
Visso | MC | 16 | 1107 | 10939 |
Preci | PG | 16 | 724 | 11663 |
Acquasanta Terme | AP | 17 | 2916 | 14579 |
Bolognola | MC | 18 | 142 | 14721 |
Amandola | FM | 19 | 3629 | 18350 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2020-04-21 07:57:57 |
42.8352 | 13.2282 | 14 | 2020-07-18 21:08:38 |
Bollettino Sismico Italiano INGV | 79757511 |
Reviewed Rev100 |
ML 1.7 | 2020-04-21 07:57:57 |
42.8298 | 13.2182 | 14 | 2020-04-21 08:02:06 |
Sala Sismica INGV-Roma | 78439641 |
Field | Value |
---|---|
Time (UTC) | 2020-04-21 07:57:57 ± 0.07 |
Latitude | 42.8352 ± 0.0036 |
Longitude | 13.2282 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79757511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 412 |
Semi-minor axis of confidence ellipse (meter) | 273 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 78 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34804 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 79757511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-05-31 17:26:21 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.0 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 78439641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-21 08:02:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2020-04-21T07:58:33.34 | 3.0 | undecidable | manual | S | -1.06 | 0 | |||
IV.TOLF.HHZ. | 2020-04-21T07:58:21.72 | 3.0 | undecidable | manual | P | 0.44 | 0 | |||
IV.MURB.HHZ. | 2020-04-21T07:58:13.22 | 3.0 | undecidable | manual | P | 1.08 | 0 | |||
IV.CIMA.HNZ. | 2020-04-21T07:58:10.36 | 3.0 | negative | manual | P | 0.76 | 0 | |||
IV.TERO.HHZ. | 2020-04-21T07:58:09.98 | 0.6 | undecidable | manual | S | 127 | 38.628 | 96 | 0.13 | 47 |
IV.CSP1.EHZ. | 2020-04-21T07:58:07.20 | 0.6 | undecidable | manual | S | 356 | 28.5492 | 99 | 0.02 | 49 |
IV.MF5.EHZ. | 2020-04-21T07:58:06.63 | 0.3 | undecidable | manual | S | 48 | 25.3524 | 102 | 0.3 | 69 |
IV.FDMO.HHZ. | 2020-04-21T07:58:05.93 | 0.6 | undecidable | manual | S | 333 | 25.0527 | 102 | -0.34 | 45 |
IV.SMA1.EHZ. | 2020-04-21T07:58:05.73 | 0.3 | undecidable | manual | S | 159 | 24.3534 | 103 | -0.34 | 69 |
IV.TERO.HHZ. | 2020-04-21T07:58:04.70 | 1.0 | undecidable | manual | P | 127 | 38.628 | 96 | 0.26 | 23 |
IV.MTRA.EHE. | 2020-04-21T07:58:03.88 | 0.1 | undecidable | manual | S | 122 | 16.2726 | 115 | -0.14 | 98 |
IV.LNSS.HNZ. | 2020-04-21T07:58:03.49 | 0.3 | undecidable | manual | P | 211 | 29.9478 | 99 | 0.38 | 68 |
IV.NRCA.HHZ. | 2020-04-21T07:58:02.33 | 0.1 | undecidable | manual | S | 269 | 9.2796 | 137 | -0.18 | 98 |
IV.SMA1.EHZ. | 2020-04-21T07:58:02.22 | 0.1 | undecidable | manual | P | 159 | 24.3534 | 103 | -0.04 | 98 |
IV.MC2.EHZ. | 2020-04-21T07:58:02.59 | 0.1 | undecidable | manual | S | 339 | 9.0798 | 138 | 0.12 | 98 |
IV.T1299.HNN. | 2020-04-21T07:58:02.19 | 0.6 | undecidable | manual | P | 169 | 22.755 | 104 | 0.17 | 48 |
IV.FDMO.HHZ. | 2020-04-21T07:58:02.28 | 0.6 | undecidable | manual | P | 333 | 25.0527 | 102 | -0.09 | 48 |
IV.CSP1.EHZ. | 2020-04-21T07:58:02.93 | 0.3 | undecidable | manual | P | 356 | 28.5492 | 99 | 0.04 | 73 |
IV.MMO1.EHN. | 2020-04-21T07:58:02.64 | 0.3 | undecidable | manual | S | 48 | 10.6782 | 132 | -0.15 | 74 |
IV.MF5.EHZ. | 2020-04-21T07:58:02.22 | 0.1 | undecidable | manual | P | 48 | 25.3524 | 102 | -0.18 | 94 |
IV.MMO1.EHN. | 2020-04-21T07:58:00.39 | 0.1 | undecidable | manual | P | 48 | 10.6782 | 132 | 0.03 | 100 |
IV.NRCA.HHZ. | 2020-04-21T07:58:00.23 | 0.1 | undecidable | manual | P | 269 | 9.2796 | 137 | 0.03 | 100 |
IV.MC2.EHZ. | 2020-04-21T07:58:00.35 | 0.1 | undecidable | manual | P | 339 | 9.0798 | 138 | 0.17 | 97 |
IV.MTRA.EHE. | 2020-04-21T07:58:00.99 | 0.6 | undecidable | manual | P | 122 | 16.2726 | 115 | -0.08 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.7 | 0.0005251535 | 0.128 | AML | other | m | 2020-04-21T07:58:02.46 |
IV.SMA1.EHE. | ML:0.6 | 0.000020267783 | 0.096 | AML | other | m | 2020-04-21T07:58:06.38 |
IV.SMA1.EHN. | ML:0.4 | 0.00001315664465 | 0.0768 | AML | other | m | 2020-04-21T07:58:06.58 |
IV.FDMO.HHE. | ML:0.4 | 0.000013805175 | 0.1792 | AML | other | m | 2020-04-21T07:58:06.36 |
IV.FDMO.HHN. | ML:0.4 | 0.000016906425 | 0.1408 | AML | other | m | 2020-04-21T07:58:06.35 |
IV.TERO.HHE. | ML:0.5 | 0.0000076485385 | 0.1152 | AML | other | m | 2020-04-21T07:58:10.83 |
IV.CSP1.EHN. | ML:0.6 | 0.00002208347045 | 0.2176 | AML | other | m | 2020-04-21T07:58:07.22 |
IV.TERO.HHN. | ML:0.2 | 0.0000072750895 | 0.0832 | AML | other | m | 2020-04-21T07:58:10.35 |
IV.NRCA.HHE. | ML:1.7 | 0.00058361165 | 0.1344 | AML | other | m | 2020-04-21T07:58:02.53 |