A magnitude ML 1.1 earthquake occured in region: 3 km NE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8400, 12.9500 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Sellano | PG | 6 | 1079 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 11 | 364 | 3242 |
Norcia | PG | 13 | 4957 | 8199 |
Campello sul Clitunno | PG | 14 | 2442 | 10641 |
Poggiodomo | PG | 14 | 117 | 10758 |
Cascia | PG | 14 | 3217 | 13975 |
Sant'Anatolia di Narco | PG | 15 | 564 | 14539 |
Visso | MC | 15 | 1107 | 15646 |
Trevi | PG | 17 | 8469 | 24115 |
Scheggino | PG | 17 | 461 | 24576 |
Monte Cavallo | MC | 18 | 145 | 24721 |
Castelsantangelo sul Nera | MC | 18 | 281 | 25002 |
Ussita | MC | 19 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-04-03 20:53:21 |
42.8397 | 12.9502 | 11 | 2020-04-03 21:02:35 |
Sala Sismica INGV-Roma | 77848141 |
Field | Value |
---|---|
Time (UTC) | 2020-04-03 20:53:21 ± 0.04 |
Latitude | 42.8397 ± 0.0027 |
Longitude | 12.9502 ± 0.0037 |
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 | 77848141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 169 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 142 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31296 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 77848141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-03 21:02:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-04-03T20:53:33.35 | 0.6 | undecidable | manual | S | 36 | 34.743 | 50 | 0.17 | 48 |
IV.MOMA.HHZ. | 2020-04-03T20:53:32.47 | 0.6 | undecidable | manual | S | 263 | 31.1466 | 50 | 0.25 | 47 |
IV.ARRO.EHZ. | 2020-04-03T20:53:32.33 | 0.6 | undecidable | manual | S | 208 | 32.5452 | 50 | -0.27 | 47 |
IV.MMO1.EHZ. | 2020-04-03T20:53:32.26 | 0.6 | undecidable | manual | S | 78 | 31.3464 | 50 | -0.01 | 49 |
IV.FDMO.HHZ. | 2020-04-03T20:53:30.29 | 0.6 | undecidable | manual | S | 27 | 24.5532 | 50 | -0.15 | 48 |
IV.GUMA.HHZ. | 2020-04-03T20:53:29.32 | 3.0 | undecidable | manual | P | 0.19 | 0 | |||
IV.CESI.HHZ. | 2020-04-03T20:53:28.58 | 0.6 | undecidable | manual | S | 349 | 18.6702 | 120 | -0.22 | 48 |
IV.CSP1.EHZ. | 2020-04-03T20:53:28.18 | 0.1 | undecidable | manual | P | 36 | 34.743 | 50 | 0 | 98 |
IV.NRCA.HHZ. | 2020-04-03T20:53:27.20 | 0.6 | undecidable | manual | S | 93 | 13.3755 | 128 | -0.05 | 50 |
IV.MMO1.EHZ. | 2020-04-03T20:53:27.63 | 1.0 | positive | manual | P | 78 | 31.3464 | 50 | -0.01 | 25 |
IV.MOMA.HHZ. | 2020-04-03T20:53:27.60 | 0.1 | undecidable | manual | P | 263 | 31.1466 | 50 | -0.02 | 99 |
IV.ARRO.EHZ. | 2020-04-03T20:53:27.85 | 0.1 | undecidable | manual | P | 208 | 32.5452 | 50 | 0.01 | 98 |
IV.FDMO.HHZ. | 2020-04-03T20:53:26.55 | 0.6 | positive | manual | P | 27 | 24.5532 | 50 | -0.05 | 50 |
IV.CESI.HHZ. | 2020-04-03T20:53:25.70 | 0.1 | negative | manual | P | 349 | 18.6702 | 120 | 0.06 | 100 |
IV.NRCA.HHZ. | 2020-04-03T20:53:24.85 | 0.1 | positive | manual | P | 93 | 13.3755 | 128 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00009685 | 0.16 | AML | other | m | 2020-04-03T20:53:27.29 |
IV.NRCA.HHE. | ML:1.1 | 0.000129 | 0.14 | AML | other | m | 2020-04-03T20:53:27.62 |
IV.CESI.HHN. | ML:1.0 | 0.00007819999999999999 | 1.38 | AML | other | m | 2020-04-03T20:53:28.89 |
IV.CESI.HHE. | ML:0.8 | 0.00004425 | 0.86 | AML | other | m | 2020-04-03T20:53:29.41 |
IV.FDMO.HHN. | ML:1.2 | 0.00009604999999999999 | 0.12 | AML | other | m | 2020-04-03T20:53:30.46 |
IV.FDMO.HHE. | ML:1.1 | 0.00007744999999999999 | 0.22 | AML | other | m | 2020-04-03T20:53:30.44 |
IV.GUMA.HHE. | ML:2.0 | 0.0003112 | 0.42 | AML | other | m | 2020-04-03T20:53:41.78 |
IV.GUMA.HHN. | ML:2.2 | 0.0005458 | 0.42 | AML | other | m | 2020-04-03T20:53:42.73 |