A magnitude ML 1.2 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7800, 13.2060 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 8 | 1178 | 1178 |
Norcia | PG | 9 | 4957 | 6135 |
Accumoli | RI | 10 | 667 | 6802 |
Montegallo | AP | 13 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 14 | 281 | 7606 |
Montemonaco | AP | 17 | 604 | 8210 |
Acquasanta Terme | AP | 17 | 2916 | 11126 |
Cascia | PG | 17 | 3217 | 14343 |
Preci | PG | 18 | 724 | 15067 |
Amatrice | RI | 18 | 2657 | 17724 |
Cittareale | RI | 18 | 482 | 18206 |
Ussita | MC | 19 | 444 | 18650 |
Visso | MC | 19 | 1107 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-03-25 08:11:41 |
42.7805 | 13.2057 | 11 | 2021-07-12 16:55:04 |
Bollettino Sismico Italiano INGV | 88610701 |
Reviewed Rev100 |
ML 1.2 | 2021-03-25 08:11:41 |
42.7813 | 13.2077 | 11 | 2021-03-25 08:15:53 |
Sala Sismica INGV-Roma | 88456861 |
Field | Value |
---|---|
Time (UTC) | 2021-03-25 08:11:41 ± 0.04 |
Latitude | 42.7805 ± 0.0018 |
Longitude | 13.2057 ± 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 | 88610701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 312 |
Semi-minor axis of confidence ellipse (meter) | 208 |
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) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 59 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.08544 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33185 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 88610701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-30 09:03:45 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 88456861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-25 08:15:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-03-25T08:11:53.08 | 0.3 | undecidable | manual | S | 360 | 34.5432 | 50 | -0.02 | 71 |
IV.RM33.EHZ. | 2021-03-25T08:11:52.09 | 0.3 | undecidable | manual | S | 179 | 30.1476 | 50 | 0.17 | 72 |
IV.GAVE.EHZ. | 2021-03-25T08:11:51.00 | 0.3 | undecidable | manual | S | 249 | 27.2505 | 50 | -0.14 | 70 |
IV.LNSS.HHZ. | 2021-03-25T08:11:50.30 | 0.3 | undecidable | manual | S | 214 | 23.8539 | 50 | 0.05 | 73 |
IV.FEMA.HNZ. | 2021-03-25T08:11:49.96 | 0.1 | undecidable | manual | S | 328 | 23.754 | 50 | -0.27 | 92 |
IV.MF5.EHZ. | 2021-03-25T08:11:48.05 | 0.1 | undecidable | manual | P | 42 | 30.9468 | 50 | 0.46 | 90 |
IV.T1299.EHZ. | 2021-03-25T08:11:48.73 | 0.3 | undecidable | manual | S | 159 | 17.3715 | 122 | 0.22 | 72 |
IV.SMA1.EHZ. | 2021-03-25T08:11:48.92 | 0.3 | undecidable | manual | S | 148 | 19.6692 | 50 | -0.22 | 70 |
IV.CSP1.EHZ. | 2021-03-25T08:11:48.05 | 0.6 | positive | manual | P | 360 | 34.5432 | 50 | -0.1 | 47 |
IV.TERO.HHZ. | 2021-03-25T08:11:48.35 | 0.1 | undecidable | manual | P | 118 | 36.8298 | 50 | -0.16 | 92 |
IV.MMO1.EHZ. | 2021-03-25T08:11:48.10 | 0.1 | undecidable | manual | S | 37 | 16.4724 | 124 | -0.14 | 98 |
IV.MC2.EHZ. | 2021-03-25T08:11:47.94 | 0.1 | undecidable | manual | S | 355 | 14.5743 | 127 | 0.23 | 96 |
IV.MTRA.HNZ. | 2021-03-25T08:11:47.83 | 0.1 | undecidable | manual | S | 100 | 15.7731 | 125 | -0.21 | 96 |
IV.RM33.EHZ. | 2021-03-25T08:11:47.57 | 0.1 | undecidable | manual | P | 179 | 30.1476 | 50 | 0.1 | 97 |
IV.LNSS.HHZ. | 2021-03-25T08:11:46.47 | 0.1 | undecidable | manual | P | 214 | 23.8539 | 50 | -0.03 | 96 |
IV.NRCA.HHZ. | 2021-03-25T08:11:46.28 | 0.1 | undecidable | manual | S | 308 | 9.4794 | 139 | -0.13 | 99 |
IV.FEMA.HNZ. | 2021-03-25T08:11:46.49 | 0.1 | undecidable | manual | P | 328 | 23.754 | 50 | 0 | 97 |
IV.GAVE.EHZ. | 2021-03-25T08:11:46.91 | 0.1 | undecidable | manual | P | 249 | 27.2505 | 50 | -0.11 | 94 |
IV.MTRA.HNZ. | 2021-03-25T08:11:45.20 | 0.1 | undecidable | manual | P | 100 | 15.7731 | 125 | -0.03 | 99 |
IV.MMO1.EHZ. | 2021-03-25T08:11:45.35 | 0.1 | positive | manual | P | 37 | 16.4724 | 124 | 0 | 100 |
IV.T1299.EHZ. | 2021-03-25T08:11:45.65 | 0.1 | undecidable | manual | P | 159 | 17.3715 | 122 | 0.15 | 97 |
IV.MC2.EHZ. | 2021-03-25T08:11:45.16 | 0.1 | positive | manual | P | 355 | 14.5743 | 127 | 0.12 | 98 |
IV.SMA1.EHZ. | 2021-03-25T08:11:45.83 | 0.1 | negative | manual | P | 148 | 19.6692 | 50 | -0.03 | 98 |
IV.NRCA.HHZ. | 2021-03-25T08:11:44.40 | 0.1 | undecidable | manual | P | 308 | 9.4794 | 139 | 0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0004195 | 0.1 | AML | other | m | 2021-03-25T08:11:46.46 |
IV.NRCA.HHE. | ML:1.6 | 0.00046300000000000003 | 0.16 | AML | other | m | 2021-03-25T08:11:46.45 |
IV.MTRA.EHN. | ML:1.1 | 0.00011999999999999999 | 0.22 | AML | other | m | 2021-03-25T08:11:48.43 |
IV.MTRA.EHE. | ML:1.1 | 0.00011499999999999999 | 0.42 | AML | other | m | 2021-03-25T08:11:48.64 |
IV.SMA1.EHE. | ML:1.2 | 0.0001323 | 0.2 | AML | other | m | 2021-03-25T08:11:49.27 |
IV.SMA1.EHN. | ML:1.1 | 0.00009125 | 0.74 | AML | other | m | 2021-03-25T08:11:49.77 |
IV.GAVE.EHN. | ML:1.1 | 0.00007195 | 0.74 | AML | other | m | 2021-03-25T08:11:52.66 |
IV.GAVE.EHE. | ML:1.3 | 0.00009850000000000001 | 0.18 | AML | other | m | 2021-03-25T08:11:52.49 |
IV.RM33.EHE. | ML:1.2 | 0.00006994999999999999 | 0.28 | AML | other | m | 2021-03-25T08:11:52.68 |
IV.RM33.EHN. | ML:1.1 | 0.00005495 | 0.92 | AML | other | m | 2021-03-25T08:11:53.09 |