A magnitude ML 0.8 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7760, 13.1550 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 | 5 | 4957 | 4957 |
Arquata del Tronto | AP | 12 | 1178 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Castelsantangelo sul Nera | MC | 13 | 281 | 10300 |
Preci | PG | 15 | 724 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Cittareale | RI | 18 | 482 | 12029 |
Visso | MC | 18 | 1107 | 13136 |
Ussita | MC | 19 | 444 | 13580 |
Poggiodomo | PG | 19 | 117 | 13697 |
Amatrice | RI | 20 | 2657 | 16354 |
Montemonaco | AP | 20 | 604 | 16958 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-05-17 22:57:31 |
42.7755 | 13.1553 | 11 | 2020-05-17 23:32:30 |
Sala Sismica INGV-Roma | 79247941 |
Field | Value |
---|---|
Time (UTC) | 2020-05-17 22:57:31 ± 0.06 |
Latitude | 42.7755 ± 0.0027 |
Longitude | 13.1553 ± 0.0049 |
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 | 79247941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 454 |
Semi-minor axis of confidence ellipse (meter) | 145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36333 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 79247941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-17 23:32:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.EHZ. | 2020-05-17T22:59:05.49 | 3.0 | positive | manual | Pg | 15.13 | 0 | |||
GU.GENL.EHZ. | 2020-05-17T22:58:49.32 | 3.0 | undecidable | manual | Sg | -0.23 | 0 | |||
IV.BULG.HHZ. | 2020-05-17T22:58:09.25 | 3.0 | undecidable | manual | Pn | -8.03 | 0 | |||
IV.CPGN.EHZ. | 2020-05-17T22:58:04.96 | 3.0 | undecidable | manual | S | 0.47 | 0 | |||
IV.PAOL.HHZ. | 2020-05-17T22:58:04.46 | 3.0 | negative | manual | Pg | 2.51 | 0 | |||
IV.MTRA.EHZ. | 2020-05-17T22:57:56.09 | 1.0 | undecidable | manual | S | 3.15 | 0.83 | |||
IV.TERO.HHZ. | 2020-05-17T22:57:45.11 | 0.1 | undecidable | manual | S | 115 | 40.3263 | 50 | -0.07 | 96 |
IV.CSP1.EHZ. | 2020-05-17T22:57:43.96 | 0.1 | undecidable | manual | S | 7 | 35.3424 | 50 | 0.11 | 96 |
IV.FDMO.HHZ. | 2020-05-17T22:57:42.18 | 0.1 | undecidable | manual | S | 349 | 29.4483 | 50 | -0.11 | 97 |
IV.LNSS.HHE. | 2020-05-17T22:57:40.02 | 0.3 | undecidable | manual | S | 206 | 21.3675 | 116 | -0.06 | 74 |
IV.SMA1.EHZ. | 2020-05-17T22:57:40.03 | 0.1 | undecidable | manual | S | 138 | 21.7671 | 116 | -0.19 | 96 |
IV.MMO1.EHZ. | 2020-05-17T22:57:39.43 | 0.1 | undecidable | manual | S | 45 | 19.5693 | 118 | -0.11 | 98 |
IV.TERO.HHZ. | 2020-05-17T22:57:39.66 | 0.1 | undecidable | manual | P | 115 | 40.3263 | 50 | 0.12 | 95 |
IV.MC2.EHZ. | 2020-05-17T22:57:38.58 | 0.1 | undecidable | manual | S | 10 | 15.3735 | 124 | 0.3 | 95 |
IV.CSP1.EHZ. | 2020-05-17T22:57:38.71 | 0.1 | undecidable | manual | P | 7 | 35.3424 | 50 | -0.06 | 97 |
IV.FDMO.HHZ. | 2020-05-17T22:57:37.76 | 0.1 | undecidable | manual | P | 349 | 29.4483 | 50 | -0.11 | 97 |
IV.SMA1.EHZ. | 2020-05-17T22:57:36.99 | 0.1 | undecidable | manual | P | 138 | 21.7671 | 116 | 0.31 | 94 |
IV.MMO1.EHZ. | 2020-05-17T22:57:36.14 | 0.1 | undecidable | manual | P | 45 | 19.5693 | 118 | -0.15 | 98 |
IV.LNSS.HHE. | 2020-05-17T22:57:36.69 | 0.3 | undecidable | manual | P | 206 | 21.3675 | 116 | 0.09 | 74 |
IV.MC2.EHZ. | 2020-05-17T22:57:35.64 | 0.1 | undecidable | manual | P | 10 | 15.3735 | 124 | 0.08 | 100 |
IV.NRCA.HNE. | 2020-05-17T22:57:35.91 | 0.3 | undecidable | manual | S | 333 | 7.2927 | 145 | -0.36 | 71 |
IV.RMP.HHZ. | 2020-05-17T22:57:34.84 | 3.0 | undecidable | manual | P | -5.95 | 0 | |||
IV.NRCA.HNE. | 2020-05-17T22:57:34.52 | 0.1 | undecidable | manual | P | 333 | 7.2927 | 145 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.9 | 0.000053500000000000006 | 0.32 | AML | other | m | 2020-05-17T22:57:59.28 |
IV.MTRA.EHN. | ML:0.8 | 0.0000473 | 1.04 | AML | other | m | 2020-05-17T22:57:59.35 |
IV.SMA1.EHN. | ML:0.6 | 0.000029250000000000003 | 0.42 | AML | other | m | 2020-05-17T22:58:03.56 |
IV.SMA1.EHE. | ML:0.8 | 0.000038 | 1.14 | AML | other | m | 2020-05-17T22:58:03.23 |