A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7840, 13.1390 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 12 | 281 | 5238 |
Cascia | PG | 13 | 3217 | 8455 |
Arquata del Tronto | AP | 13 | 1178 | 9633 |
Accumoli | RI | 13 | 667 | 10300 |
Preci | PG | 13 | 724 | 11024 |
Visso | MC | 17 | 1107 | 12131 |
Montegallo | AP | 17 | 523 | 12654 |
Ussita | MC | 18 | 444 | 13098 |
Poggiodomo | PG | 18 | 117 | 13215 |
Cittareale | RI | 19 | 482 | 13697 |
Cerreto di Spoleto | PG | 19 | 1075 | 14772 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-05-17 23:13:15 |
42.784 | 13.1393 | 11 | 2020-05-17 23:21:10 |
Sala Sismica INGV-Roma | 79247891 |
Field | Value |
---|---|
Time (UTC) | 2020-05-17 23:13:15 ± 0.07 |
Latitude | 42.7840 ± 0.0036 |
Longitude | 13.1393 ± 0.0098 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79247891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 768 |
Semi-minor axis of confidence ellipse (meter) | 293 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 279 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
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) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.05306 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37682 |
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 | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 79247891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-17 23:21:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-05-17T23:13:27.31 | 0.6 | undecidable | manual | S | 9 | 34.5432 | 50 | 0.19 | 48 |
IV.MF5.EHZ. | 2020-05-17T23:13:27.83 | 0.6 | undecidable | manual | S | 49 | 34.4433 | 50 | 0.73 | 41 |
IV.RM33.EHZ. | 2020-05-17T23:13:26.06 | 0.6 | undecidable | manual | S | 169 | 31.1466 | 50 | -0.14 | 49 |
IV.FDMO.HHZ. | 2020-05-17T23:13:25.01 | 0.3 | undecidable | manual | S | 351 | 28.3494 | 50 | -0.45 | 68 |
IV.LNSS.HHZ. | 2020-05-17T23:13:23.75 | 0.6 | undecidable | manual | S | 202 | 21.6672 | 116 | 0.1 | 50 |
IV.TERO.HHZ. | 2020-05-17T23:13:23.09 | 0.1 | undecidable | manual | P | 115 | 41.8248 | 50 | -0.16 | 95 |
IV.MF5.EHZ. | 2020-05-17T23:13:22.38 | 0.3 | undecidable | manual | P | 49 | 34.4433 | 50 | 0.27 | 70 |
IV.MMO1.EHZ. | 2020-05-17T23:13:22.73 | 0.3 | undecidable | manual | S | 50 | 19.869 | 118 | -0.38 | 71 |
IV.CSP1.EHZ. | 2020-05-17T23:13:22.10 | 0.3 | undecidable | manual | P | 9 | 34.5432 | 50 | -0.03 | 74 |
IV.FDMO.HHZ. | 2020-05-17T23:13:21.15 | 0.1 | undecidable | manual | P | 351 | 28.3494 | 50 | -0.02 | 100 |
IV.MC2.EHZ. | 2020-05-17T23:13:21.74 | 0.6 | undecidable | manual | S | 16 | 14.6742 | 125 | 0.17 | 50 |
IV.RM33.EHZ. | 2020-05-17T23:13:21.40 | 0.3 | undecidable | manual | P | 169 | 31.1466 | 50 | -0.2 | 72 |
IV.LNSS.HHZ. | 2020-05-17T23:13:20.21 | 0.1 | undecidable | manual | P | 202 | 21.6672 | 116 | 0.09 | 100 |
IV.SMA1.EHZ. | 2020-05-17T23:13:20.50 | 0.3 | undecidable | manual | P | 137 | 23.3544 | 50 | 0.1 | 74 |
IV.MC2.EHZ. | 2020-05-17T23:13:19.09 | 0.1 | undecidable | manual | P | 16 | 14.6742 | 125 | 0.17 | 99 |
IV.MMO1.EHZ. | 2020-05-17T23:13:19.57 | 0.6 | positive | manual | P | 50 | 19.869 | 118 | -0.24 | 48 |
IV.NRCA.HHZ. | 2020-05-17T23:13:19.28 | 0.3 | undecidable | manual | S | 340 | 5.8941 | 151 | -0.19 | 75 |
IV.NRCA.HHZ. | 2020-05-17T23:13:17.93 | 0.1 | negative | manual | P | 340 | 5.8941 | 151 | 0.22 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0005344999999999999 | 0.12 | AML | other | m | 2020-05-17T23:13:19.39 |
IV.NRCA.HHE. | ML:1.6 | 0.0006154999999999999 | 0.16 | AML | other | m | 2020-05-17T23:13:19.44 |
IV.LNSS.HHE. | ML:1.0 | 0.0000625 | 1.3 | AML | other | m | 2020-05-17T23:13:23.93 |
IV.LNSS.HHN. | ML:1.1 | 0.00007960000000000001 | 0.28 | AML | other | m | 2020-05-17T23:13:24.33 |
IV.NRCA.HNE. | ML:1.6 | 0.00061136095 | 0.1664 | AML | other | m | 2020-05-17T23:13:19.44 |
IV.NRCA.HNN. | ML:1.5 | 0.0004557678 | 0.128 | AML | other | m | 2020-05-17T23:13:19.39 |