A magnitude ML 1.1 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8210, 13.1280 at 11 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 | 9 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Ussita | MC | 14 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Montegallo | AP | 17 | 523 | 12431 |
Accumoli | RI | 17 | 667 | 13098 |
Cerreto di Spoleto | PG | 17 | 1075 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Montemonaco | AP | 19 | 604 | 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 1.1 | 2020-05-20 08:09:24 |
42.8208 | 13.1282 | 11 | 2020-05-20 08:14:09 |
Sala Sismica INGV-Roma | 79356781 |
Field | Value |
---|---|
Time (UTC) | 2020-05-20 08:09:24 ± 0.08 |
Latitude | 42.8208 ± 0.0045 |
Longitude | 13.1282 ± 0.0074 |
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 | 79356781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 599 |
Semi-minor axis of confidence ellipse (meter) | 487 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 73 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
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) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.01619 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
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 | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79356781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-20 08:14:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-05-20T08:09:35.42 | 0.1 | undecidable | manual | S | 12 | 30.747 | 50 | 0.13 | 94 |
IV.LNSS.HHZ. | 2020-05-20T08:09:34.03 | 0.3 | undecidable | manual | S | 197 | 25.2525 | 50 | 0.2 | 70 |
IV.CESI.HHZ. | 2020-05-20T08:09:34.41 | 0.1 | undecidable | manual | S | 318 | 27.3504 | 50 | 0.02 | 96 |
IV.FDMO.HHZ. | 2020-05-20T08:09:33.44 | 0.3 | undecidable | manual | S | 352 | 24.1536 | 50 | -0.11 | 71 |
IV.MTRA.EHZ. | 2020-05-20T08:09:33.20 | 0.3 | undecidable | manual | S | 108 | 22.9548 | 50 | -0.03 | 73 |
IV.TERO.HHZ. | 2020-05-20T08:09:32.82 | 0.1 | undecidable | manual | P | 119 | 44.5221 | 50 | -0.07 | 93 |
IV.MMO1.EHZ. | 2020-05-20T08:09:31.67 | 0.1 | undecidable | manual | S | 62 | 18.3705 | 120 | -0.25 | 93 |
IV.CSP1.EHZ. | 2020-05-20T08:09:30.87 | 0.1 | undecidable | manual | P | 12 | 30.747 | 50 | 0.12 | 94 |
IV.MC2.EHZ. | 2020-05-20T08:09:30.36 | 0.1 | undecidable | manual | S | 26 | 11.1777 | 134 | 0.43 | 91 |
IV.CESI.HHZ. | 2020-05-20T08:09:30.33 | 0.1 | negative | manual | P | 318 | 27.3504 | 50 | 0.1 | 95 |
IV.MTRA.EHZ. | 2020-05-20T08:09:29.55 | 0.1 | undecidable | manual | P | 108 | 22.9548 | 50 | -0.01 | 97 |
IV.FDMO.HHZ. | 2020-05-20T08:09:29.06 | 0.1 | undecidable | manual | P | 352 | 24.1536 | 50 | -0.68 | 81 |
IV.LNSS.HHZ. | 2020-05-20T08:09:29.97 | 0.1 | undecidable | manual | P | 197 | 25.2525 | 50 | 0.06 | 96 |
IV.MMO1.EHZ. | 2020-05-20T08:09:28.85 | 0.1 | undecidable | manual | P | 62 | 18.3705 | 120 | 0.04 | 97 |
IV.NRCA.HNZ. | 2020-05-20T08:09:27.95 | 0.1 | undecidable | manual | S | 321 | 1.7982 | 170 | -0.37 | 94 |
IV.MC2.EHZ. | 2020-05-20T08:09:27.97 | 0.1 | undecidable | manual | P | 26 | 11.1777 | 134 | 0.32 | 93 |
IV.NRCA.HNZ. | 2020-05-20T08:09:26.78 | 0.1 | undecidable | manual | P | 321 | 1.7982 | 170 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.000481 | 0.2 | AML | other | m | 2020-05-20T08:09:28.13 |
IV.NRCA.HHN. | ML:1.4 | 0.000397 | 0.94 | AML | other | m | 2020-05-20T08:09:28.58 |
IV.FDMO.HHN. | ML:0.9 | 0.0000435 | 1.44 | AML | other | m | 2020-05-20T08:09:33.74 |
IV.MTRA.EHE. | ML:1.1 | 0.00007455000000000001 | 0.74 | AML | other | m | 2020-05-20T08:09:33.60 |
IV.MTRA.EHN. | ML:0.9 | 0.000054800000000000004 | 1.76 | AML | other | m | 2020-05-20T08:09:34.96 |
IV.LNSS.HHE. | ML:1.1 | 0.00007145 | 0.22 | AML | other | m | 2020-05-20T08:09:34.15 |
IV.FDMO.HHE. | ML:1.0 | 0.0000618 | 0.9 | AML | other | m | 2020-05-20T08:09:34.41 |
IV.LNSS.HHN. | ML:1.1 | 0.00006845 | 0.64 | AML | other | m | 2020-05-20T08:09:35.48 |