A magnitude ML 0.7 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7760, 13.1930 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 8 | 4957 | 4957 |
Arquata del Tronto | AP | 9 | 1178 | 6135 |
Accumoli | RI | 10 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 14 | 281 | 7083 |
Montegallo | AP | 14 | 523 | 7606 |
Cascia | PG | 16 | 3217 | 10823 |
Preci | PG | 17 | 724 | 11547 |
Montemonaco | AP | 18 | 604 | 12151 |
Cittareale | RI | 18 | 482 | 12633 |
Acquasanta Terme | AP | 18 | 2916 | 15549 |
Amatrice | RI | 18 | 2657 | 18206 |
Visso | MC | 19 | 1107 | 19313 |
Ussita | MC | 19 | 444 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-04-21 12:02:16 |
42.7763 | 13.1928 | 11 | 2021-07-12 16:55:12 |
Bollettino Sismico Italiano INGV | 90452541 |
Reviewed Rev100 |
ML 0.7 | 2021-04-21 12:02:16 |
42.7778 | 13.1933 | 12 | 2021-04-21 12:29:18 |
Sala Sismica INGV-Roma | 89328111 |
Field | Value |
---|---|
Time (UTC) | 2021-04-21 12:02:16 ± 0.05 |
Latitude | 42.7763 ± 0.0027 |
Longitude | 13.1928 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90452541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 289 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
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) | 110 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33904 |
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 | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90452541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-24 14:45:15 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89328111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-21 12:29:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-04-21T12:02:48.67 | 3.0 | undecidable | manual | S | -0.01 | 0 | |||
IV.TERO.HHZ. | 2021-04-21T12:02:29.34 | 0.3 | undecidable | manual | S | 117 | 37.629 | 50 | 0.11 | 71 |
IV.CSP1.EHZ. | 2021-04-21T12:02:28.55 | 0.3 | undecidable | manual | S | 2 | 35.0427 | 50 | 0.01 | 73 |
IV.GAVE.EHZ. | 2021-04-21T12:02:25.94 | 0.6 | undecidable | manual | S | 249 | 26.0517 | 50 | -0.21 | 48 |
IV.LNSS.HHZ. | 2021-04-21T12:02:25.38 | 0.3 | undecidable | manual | S | 213 | 22.9548 | 50 | 0.07 | 74 |
IV.SMA1.EHZ. | 2021-04-21T12:02:24.30 | 0.3 | undecidable | manual | S | 144 | 19.9689 | 50 | -0.21 | 72 |
IV.MC2.EHZ. | 2021-04-21T12:02:23.22 | 0.3 | undecidable | manual | S | 359 | 14.9739 | 126 | 0.09 | 75 |
IV.MMO1.EHZ. | 2021-04-21T12:02:23.70 | 0.3 | undecidable | manual | S | 39 | 17.4714 | 122 | -0.14 | 73 |
IV.CSP1.EHZ. | 2021-04-21T12:02:23.55 | 1.0 | positive | manual | P | 2 | 35.0427 | 50 | 0.01 | 24 |
IV.TERO.HHZ. | 2021-04-21T12:02:23.92 | 1.0 | undecidable | manual | P | 117 | 37.629 | 50 | -0.01 | 24 |
IV.GAVE.EHZ. | 2021-04-21T12:02:22.11 | 1.0 | positive | manual | P | 249 | 26.0517 | 50 | -0.05 | 25 |
IV.LNSS.HHZ. | 2021-04-21T12:02:21.69 | 0.3 | positive | manual | P | 213 | 22.9548 | 50 | 0.02 | 75 |
IV.SMA1.EHZ. | 2021-04-21T12:02:21.53 | 0.6 | undecidable | manual | P | 144 | 19.9689 | 50 | 0.32 | 47 |
IV.MC2.EHZ. | 2021-04-21T12:02:20.47 | 0.1 | undecidable | manual | P | 359 | 14.9739 | 126 | 0.06 | 100 |
IV.MMO1.EHZ. | 2021-04-21T12:02:20.76 | 0.1 | undecidable | manual | P | 39 | 17.4714 | 122 | -0.06 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.5 | 0.000023629805 | 0.1024 | AML | other | m | 2021-04-21T12:02:24.72 |
IV.SMA1.EHE. | ML:0.6 | 0.000027571235 | 0.0832 | AML | other | m | 2021-04-21T12:02:24.71 |
IV.LNSS.HHE. | ML:0.8 | 0.0000414 | 0.32 | AML | other | m | 2021-04-21T12:02:25.47 |
IV.LNSS.HHN. | ML:0.8 | 0.0000452 | 0.18 | AML | other | m | 2021-04-21T12:02:26.61 |
IV.TERO.HHE. | ML:0.6 | 0.0000174 | 1.68 | AML | other | m | 2021-04-21T12:02:30.04 |
IV.TERO.HHN. | ML:0.8 | 0.0000234 | 1.08 | AML | other | m | 2021-04-21T12:02:30.05 |