A magnitude ML 1.0 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1350 at 9 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 | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Arquata del Tronto | AP | 14 | 1178 | 7140 |
Visso | MC | 14 | 1107 | 8247 |
Cascia | PG | 14 | 3217 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-05-19 20:43:53 |
42.8103 | 13.1352 | 9 | 2020-05-19 20:56:19 |
Sala Sismica INGV-Roma | 79340541 |
Field | Value |
---|---|
Time (UTC) | 2020-05-19 20:43:53 ± 0.1 |
Latitude | 42.8103 ± 0.0036 |
Longitude | 13.1352 ± 0.0074 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79340541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 564 |
Semi-minor axis of confidence ellipse (meter) | 294 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.02788 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39210 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 79340541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-19 20:56:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.HNZ. | 2020-05-19T20:44:05.60 | 0.6 | undecidable | manual | S | 169 | 34.0437 | 50 | -0.26 | 46 |
IV.LNSS.HHZ. | 2020-05-19T20:44:02.71 | 0.6 | undecidable | manual | S | 199 | 24.2535 | 110 | -0.09 | 48 |
IV.FDMO.HHZ. | 2020-05-19T20:44:02.90 | 0.3 | undecidable | manual | S | 351 | 25.3524 | 109 | -0.26 | 69 |
IV.T1299.HNZ. | 2020-05-19T20:44:02.56 | 0.6 | undecidable | manual | S | 148 | 22.9548 | 111 | 0.2 | 47 |
IV.MTRA.HNZ. | 2020-05-19T20:44:01.86 | 0.3 | undecidable | manual | S | 106 | 22.0668 | 112 | -0.24 | 70 |
IV.RM33.HNZ. | 2020-05-19T20:44:01.14 | 0.1 | undecidable | manual | P | 169 | 34.0437 | 50 | 0.37 | 89 |
IV.TERO.HHZ. | 2020-05-19T20:44:01.83 | 0.6 | undecidable | manual | P | 118 | 43.5231 | 50 | -0.4 | 43 |
IV.MMO1.EHZ. | 2020-05-19T20:44:00.87 | 0.3 | undecidable | manual | S | 58 | 18.4704 | 116 | -0.07 | 73 |
IV.LNSS.HHZ. | 2020-05-19T20:43:59.00 | 0.3 | undecidable | manual | P | 199 | 24.2535 | 110 | -0.01 | 73 |
IV.FDMO.HHZ. | 2020-05-19T20:43:59.05 | 0.3 | undecidable | manual | P | 351 | 25.3524 | 109 | -0.17 | 71 |
IV.MC2.EHZ. | 2020-05-19T20:43:59.55 | 0.3 | undecidable | manual | S | 21 | 12.0768 | 126 | 0.52 | 67 |
IV.MTRA.HNZ. | 2020-05-19T20:43:58.51 | 0.3 | undecidable | manual | P | 106 | 22.0668 | 112 | -0.09 | 72 |
IV.T1299.HNZ. | 2020-05-19T20:43:58.85 | 0.1 | undecidable | manual | P | 148 | 22.9548 | 111 | 0.1 | 96 |
IV.MC2.EHZ. | 2020-05-19T20:43:57.13 | 0.3 | undecidable | manual | P | 21 | 12.0768 | 126 | 0.31 | 70 |
IV.MMO1.EHZ. | 2020-05-19T20:43:57.89 | 0.3 | positive | manual | P | 58 | 18.4704 | 116 | -0.04 | 74 |
IV.NRCA.HHZ. | 2020-05-19T20:43:56.81 | 0.3 | undecidable | manual | S | 327 | 3.0969 | 161 | -0.28 | 72 |
IV.NRCA.HHZ. | 2020-05-19T20:43:55.79 | 0.1 | undecidable | manual | P | 327 | 3.0969 | 161 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.9 | 0.00004905 | 1.26 | AML | other | m | 2020-05-19T20:44:01.95 |
IV.MTRA.EHE. | ML:0.8 | 0.00004545000000000001 | 0.26 | AML | other | m | 2020-05-19T20:44:02.48 |
IV.FDMO.HHN. | ML:1.1 | 0.0000694 | 0.38 | AML | other | m | 2020-05-19T20:44:14.16 |
IV.NRCA.HNE. | ML:0.0 | 0.00024298318 | 0.064 | AML | other | m | 2020-05-19T20:43:56.92 |
IV.NRCA.HNN. | ML:0.0 | 0.000149097525 | 0.128 | AML | other | m | 2020-05-19T20:43:57.23 |
IV.MTRA.HNE. | ML:1.2 | 0.000102084715 | 0.7296 | AML | other | m | 2020-05-19T20:44:02.11 |
IV.MTRA.HNN. | ML:1.1 | 0.00009246237 | 1.3696 | AML | other | m | 2020-05-19T20:44:02.58 |