A magnitude ML 1.1 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8080, 13.1440 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 | 10 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Visso | MC | 15 | 1107 | 8247 |
Cascia | PG | 15 | 3217 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 15 | 444 | 12575 |
Montegallo | AP | 16 | 523 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Sellano | PG | 20 | 1079 | 15856 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2019-12-20 13:11:55 |
42.8078 | 13.1438 | 11 | 2019-12-20 13:17:47 |
Sala Sismica INGV-Roma | 74817441 |
Field | Value |
---|---|
Time (UTC) | 2019-12-20 13:11:55 ± 0.07 |
Latitude | 42.8078 ± 0.0045 |
Longitude | 13.1438 ± 0.0086 |
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 | 74817441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 708 |
Semi-minor axis of confidence ellipse (meter) | 386 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38491 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 74817441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-20 13:17:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SARZ.HHZ. | 2019-12-20T13:13:38.62 | 3.0 | undecidable | manual | Sn | 0.15 | 0 | |||
OX.CIMO.HHZ. | 2019-12-20T13:13:32.98 | 3.0 | undecidable | manual | Sn | -1.71 | 0 | |||
AC.VLO.HHZ. | 2019-12-20T13:13:15.43 | 3.0 | undecidable | manual | Pn | 0.09 | 0 | |||
IV.NDIM.HNZ. | 2019-12-20T13:13:15.87 | 3.0 | undecidable | manual | Sg | 3.09 | 0 | |||
IV.MSAG.HHZ. | 2019-12-20T13:13:09.93 | 3.0 | undecidable | manual | Sg | 5.62 | 0 | |||
OX.CIMO.HHZ. | 2019-12-20T13:12:57.36 | 3.0 | positive | manual | Pg | 5.87 | 0 | |||
IV.MAON.HHZ. | 2019-12-20T13:12:45.83 | 3.0 | undecidable | manual | S | 0.25 | 0 | |||
IV.APRC.HHZ. | 2019-12-20T13:12:32.95 | 3.0 | undecidable | manual | Pn | 2.1 | 0 | |||
IV.APEC.HHZ. | 2019-12-20T13:12:25.84 | 3.0 | undecidable | manual | S | -3.83 | 0 | |||
IV.VVLD.HHZ. | 2019-12-20T13:12:16.01 | 3.0 | positive | manual | P | 0.14 | 0 | |||
IV.TERO.HHZ. | 2019-12-20T13:12:09.37 | 0.6 | undecidable | manual | S | 119 | 42.7239 | 50 | -0.18 | 45 |
IV.CESI.HHZ. | 2019-12-20T13:12:05.87 | 0.6 | undecidable | manual | S | 318 | 29.2485 | 50 | -0.08 | 47 |
IV.LNSS.HHZ. | 2019-12-20T13:12:04.71 | 0.3 | undecidable | manual | S | 200 | 24.2535 | 50 | 0.09 | 72 |
IV.FDMO.HHZ. | 2019-12-20T13:12:04.88 | 0.3 | undecidable | manual | S | 350 | 25.752 | 50 | -0.14 | 71 |
IV.TERO.HHZ. | 2019-12-20T13:12:03.64 | 0.1 | undecidable | manual | P | 119 | 42.7239 | 50 | -0.03 | 94 |
IV.CESI.HHZ. | 2019-12-20T13:12:01.70 | 0.1 | undecidable | manual | P | 318 | 29.2485 | 50 | 0.11 | 94 |
IV.FDMO.HHZ. | 2019-12-20T13:12:01.05 | 0.1 | undecidable | manual | P | 350 | 25.752 | 50 | 0 | 97 |
IV.LNSS.HHZ. | 2019-12-20T13:12:00.80 | 0.1 | undecidable | manual | P | 200 | 24.2535 | 50 | -0.02 | 97 |
IV.MC2.EHZ. | 2019-12-20T13:11:59.19 | 0.1 | positive | manual | P | 18 | 12.0768 | 132 | 0.31 | 93 |
IV.NRCA.HHZ. | 2019-12-20T13:11:59.13 | 0.6 | undecidable | manual | S | 320 | 3.6963 | 161 | -0.49 | 45 |
IV.NRCA.HHZ. | 2019-12-20T13:11:57.97 | 0.1 | undecidable | manual | P | 320 | 3.6963 | 161 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.3 | 0.00012890000000000002 | 0.62 | AML | other | m | 2019-12-20T13:12:04.95 |
IV.LNSS.HHE. | ML:1.4 | 0.00013700000000000002 | 0.38 | AML | other | m | 2019-12-20T13:12:05.08 |
IV.FDMO.HHN. | ML:0.7 | 0.000029 | 0.86 | AML | other | m | 2019-12-20T13:12:05.29 |
IV.CESI.HHN. | ML:1.3 | 0.00009429999999999999 | 0.54 | AML | other | m | 2019-12-20T13:12:06.45 |
IV.CESI.HHE. | ML:1.2 | 0.00006785 | 0.44 | AML | other | m | 2019-12-20T13:12:06.30 |
IV.FDMO.HHE. | ML:0.7 | 0.000028400000000000003 | 0.42 | AML | other | m | 2019-12-20T13:12:09.81 |