A magnitude ML 1.4 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7810, 13.1660 at 10 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 |
---|---|---|---|---|
Norcia | PG | 6 | 4957 | 4957 |
Arquata del Tronto | AP | 11 | 1178 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Cascia | PG | 14 | 3217 | 10300 |
Preci | PG | 15 | 724 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 18 | 1107 | 12654 |
Cittareale | RI | 18 | 482 | 13136 |
Ussita | MC | 18 | 444 | 13580 |
Montemonaco | AP | 19 | 604 | 14184 |
Amatrice | RI | 20 | 2657 | 16841 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-05-21 03:59:19 |
42.7812 | 13.1658 | 10 | 2020-05-21 04:04:33 |
Sala Sismica INGV-Roma | 79391131 |
Field | Value |
---|---|
Time (UTC) | 2020-05-21 03:59:19 ± 0.06 |
Latitude | 42.7812 ± 0.0027 |
Longitude | 13.1658 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79391131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 269 |
Semi-minor axis of confidence ellipse (meter) | 252 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 16 |
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) | 0.35883 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79391131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-21 04:04:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATFO.HHZ. | 2020-05-21T03:59:32.12 | 3.0 | undecidable | manual | P | -1.94 | 0 | |||
IV.EL6.EHZ. | 2020-05-21T03:59:30.62 | 3.0 | undecidable | manual | P | 0 | ||||
IV.LNSS.HHZ. | 2020-05-21T03:59:27.89 | 0.1 | undecidable | manual | S | 207 | 22.2555 | 115 | 0.01 | 99 |
IV.T1299.HNZ. | 2020-05-21T03:59:27.03 | 0.3 | undecidable | manual | S | 150 | 18.87 | 119 | 0.21 | 72 |
IV.MTRA.EHZ. | 2020-05-21T03:59:26.58 | 0.3 | undecidable | manual | S | 98 | 18.9699 | 119 | -0.28 | 71 |
IV.CSP1.EHZ. | 2020-05-21T03:59:26.15 | 0.3 | undecidable | manual | P | 5 | 34.6431 | 50 | -0.03 | 73 |
IV.MMO1.EHZ. | 2020-05-21T03:59:26.67 | 0.3 | undecidable | manual | S | 45 | 18.5703 | 119 | -0.05 | 74 |
IV.TERO.HHZ. | 2020-05-21T03:59:26.93 | 0.3 | undecidable | manual | P | 116 | 39.8268 | 50 | -0.05 | 72 |
IV.FDMO.HHZ. | 2020-05-21T03:59:25.30 | 0.3 | undecidable | manual | P | 347 | 29.0487 | 50 | -0.03 | 74 |
IV.MC2.EHZ. | 2020-05-21T03:59:25.92 | 0.3 | undecidable | manual | S | 7 | 14.5743 | 126 | 0.36 | 70 |
IV.CESI.HHZ. | 2020-05-21T03:59:25.86 | 0.1 | undecidable | manual | P | 320 | 32.6451 | 50 | -0.02 | 97 |
IV.LNSS.HHZ. | 2020-05-21T03:59:24.18 | 0.1 | undecidable | manual | P | 207 | 22.2555 | 115 | -0.09 | 98 |
IV.MC2.EHZ. | 2020-05-21T03:59:23.14 | 0.3 | undecidable | manual | P | 7 | 14.5743 | 126 | 0.21 | 73 |
IV.MMO1.EHZ. | 2020-05-21T03:59:23.55 | 0.1 | undecidable | manual | P | 45 | 18.5703 | 119 | -0.05 | 99 |
IV.NRCA.HHZ. | 2020-05-21T03:59:23.42 | 0.1 | undecidable | manual | S | 324 | 7.1928 | 145 | -0.31 | 96 |
IV.MTRA.EHZ. | 2020-05-21T03:59:23.69 | 0.3 | undecidable | manual | P | 98 | 18.9699 | 119 | 0.01 | 75 |
IV.T1299.HNZ. | 2020-05-21T03:59:23.76 | 0.1 | undecidable | manual | P | 150 | 18.87 | 119 | 0.1 | 98 |
IV.NRCA.HHZ. | 2020-05-21T03:59:21.99 | 0.1 | undecidable | manual | P | 324 | 7.1928 | 145 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.000587 | 0.08 | AML | other | m | 2020-05-21T03:59:23.46 |
IV.NRCA.HHE. | ML:1.6 | 0.000623 | 0.08 | AML | other | m | 2020-05-21T03:59:23.46 |
IV.MTRA.EHE. | ML:1.5 | 0.000258 | 0.5 | AML | other | m | 2020-05-21T03:59:26.85 |
IV.MTRA.EHN. | ML:1.4 | 0.00020500000000000002 | 0.96 | AML | other | m | 2020-05-21T03:59:27.59 |
IV.LNSS.HHN. | ML:1.5 | 0.000213 | 1.22 | AML | other | m | 2020-05-21T03:59:27.94 |
IV.LNSS.HHE. | ML:1.5 | 0.0002275 | 0.3 | AML | other | m | 2020-05-21T03:59:28.18 |
IV.FDMO.HHN. | ML:1.1 | 0.000059149999999999994 | 1.06 | AML | other | m | 2020-05-21T03:59:29.25 |
IV.FDMO.HHE. | ML:1.0 | 0.0000468 | 1.46 | AML | other | m | 2020-05-21T03:59:30.97 |