A magnitude ML 0.9 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1430 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 | 13 | 1178 | 7140 |
Visso | MC | 14 | 1107 | 8247 |
Cascia | PG | 15 | 3217 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 15 | 667 | 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 0.9 | 2017-03-22 21:47:51 |
42.8102 | 13.1432 | 9 | 2017-03-22 22:01:23 |
Sala Sismica INGV-Roma | 42797471 |
Field | Value |
---|---|
Time (UTC) | 2017-03-22 21:47:51 ± 0.14 |
Latitude | 42.8102 ± 0.0036 |
Longitude | 13.1432 ± 0.0061 |
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 | 42797471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 417 |
Semi-minor axis of confidence ellipse (meter) | 303 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21584 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 42797471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-03-22 22:01:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAMP.HHZ. | 2017-03-22T21:48:02.83 | 3.0 | undecidable | manual | S | -0.33 | 0 | |||
IV.T1241.EHZ. | 2017-03-22T21:47:56.02 | 1.0 | positive | manual | P | 78 | 23.9538 | 111 | -0.51 | 22 |
IV.T1216.EHZ. | 2017-03-22T21:47:56.95 | 0.1 | undecidable | manual | S | 312 | 13.4754 | 124 | -0.07 | 97 |
IV.T1245.HHZ. | 2017-03-22T21:47:55.21 | 0.1 | undecidable | manual | S | 35 | 6.2937 | 145 | 0 | 100 |
IV.T1214.EHZ. | 2017-03-22T21:47:55.50 | 0.1 | undecidable | manual | S | 136 | 7.7811 | 139 | -0.02 | 99 |
IV.T1218.EHZ. | 2017-03-22T21:47:55.03 | 0.1 | undecidable | manual | P | 188 | 15.6732 | 120 | 0.01 | 98 |
IV.T1216.EHZ. | 2017-03-22T21:47:54.73 | 1.0 | undecidable | manual | P | 312 | 13.4754 | 124 | 0.08 | 24 |
IV.MC2.EHZ. | 2017-03-22T21:47:54.48 | 0.1 | undecidable | manual | P | 18 | 11.877 | 127 | 0.1 | 97 |
IV.T1245.HHZ. | 2017-03-22T21:47:53.69 | 0.6 | positive | manual | P | 35 | 6.2937 | 145 | 0.09 | 49 |
IV.T1214.EHZ. | 2017-03-22T21:47:53.87 | 0.6 | negative | manual | P | 136 | 7.7811 | 139 | 0.09 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1245.HHE. | ML:1.0 | 0.000177 | 0.74 | AML | other | m | 2017-03-22T21:47:55.38 |
IV.T1245.HHN. | ML:0.8 | 0.0001205 | 0.4 | AML | other | m | 2017-03-22T21:47:55.53 |