A magnitude ML 1.0 earthquake occured in region: 4 km SE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7430, 13.3250 at 13 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 | 4 | 1178 | 1178 |
Acquasanta Terme | AP | 8 | 2916 | 4094 |
Accumoli | RI | 8 | 667 | 4761 |
Montegallo | AP | 11 | 523 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Valle Castellana | TE | 14 | 977 | 8918 |
Montemonaco | AP | 18 | 604 | 9522 |
Rocca Santa Maria | TE | 18 | 537 | 10059 |
Roccafluvione | AP | 18 | 2010 | 12069 |
Cittareale | RI | 19 | 482 | 12551 |
Norcia | PG | 20 | 4957 | 17508 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2020-04-10 16:59:51 |
42.7432 | 13.3247 | 13 | 2020-07-18 21:08:37 |
Bollettino Sismico Italiano INGV | 79357171 |
Reviewed Rev100 |
ML 0.9 | 2020-04-10 16:59:51 |
42.7468 | 13.3193 | 13 | 2020-04-10 17:06:17 |
Sala Sismica INGV-Roma | 78083151 |
Field | Value |
---|---|
Time (UTC) | 2020-04-10 16:59:51 ± 0.06 |
Latitude | 42.7432 ± 0.0027 |
Longitude | 13.3247 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79357171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 349 |
Semi-minor axis of confidence ellipse (meter) | 103 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 263 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35973 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78083151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-10 17:06:17 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 79357171 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-05-20 08:34:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SRES.HHZ. | 2020-04-10T17:00:05.86 | 3.0 | negative | manual | Pn | -0.3 | 0 | |||
IV.FDMO.HHZ. | 2020-04-10T17:00:03.99 | 0.3 | undecidable | manual | S | 329 | 37.8288 | 94 | -0.21 | 69 |
IV.MF5.EHZ. | 2020-04-10T17:00:02.36 | 0.3 | undecidable | manual | S | 22 | 29.2485 | 96 | 0.43 | 67 |
IV.TERO.HHZ. | 2020-04-10T17:00:01.02 | 0.3 | undecidable | manual | S | 120 | 26.3514 | 97 | -0.14 | 71 |
IV.LNSS.HNZ. | 2020-04-10T17:00:01.63 | 0.3 | undecidable | manual | S | 236 | 27.9498 | 96 | 0.06 | 72 |
IV.RM33.EHZ. | 2020-04-10T17:00:01.62 | 0.3 | undecidable | manual | S | 199 | 27.4503 | 96 | 0.17 | 71 |
IV.CAMP.HHE. | 2020-04-10T17:00:00.25 | 0.3 | undecidable | manual | S | 163 | 24.0537 | 98 | -0.28 | 69 |
IV.CSP1.EHZ. | 2020-04-10T16:59:59.04 | 0.3 | undecidable | manual | P | 346 | 39.9267 | 94 | -0.17 | 70 |
IV.NRCA.HHZ. | 2020-04-10T16:59:59.06 | 0.3 | undecidable | manual | S | 300 | 19.869 | 103 | -0.38 | 69 |
IV.MC2.EHZ. | 2020-04-10T16:59:59.96 | 0.3 | undecidable | manual | S | 329 | 21.6672 | 100 | 0.04 | 73 |
IV.FDMO.HHZ. | 2020-04-10T16:59:58.81 | 0.3 | undecidable | manual | P | 329 | 37.8288 | 94 | -0.08 | 71 |
IV.MMO1.EHZ. | 2020-04-10T16:59:58.59 | 0.3 | undecidable | manual | S | 1 | 17.3715 | 107 | -0.2 | 72 |
IV.GIGS.HHZ. | 2020-04-10T16:59:58.77 | 0.3 | undecidable | manual | P | 148 | 38.0286 | 94 | -0.15 | 69 |
IV.MF5.EHZ. | 2020-04-10T16:59:57.91 | 0.1 | positive | manual | P | 22 | 29.2485 | 96 | 0.34 | 91 |
IV.SMA1.EHE. | 2020-04-10T16:59:57.49 | 0.1 | undecidable | manual | S | 176 | 12.5763 | 121 | -0.13 | 97 |
IV.TERO.HHZ. | 2020-04-10T16:59:57.06 | 0.3 | undecidable | manual | P | 120 | 26.3514 | 97 | -0.08 | 72 |
IV.T1299.HNN. | 2020-04-10T16:59:57.97 | 0.3 | undecidable | manual | S | 196 | 12.5763 | 121 | 0.34 | 71 |
IV.LNSS.HNZ. | 2020-04-10T16:59:57.29 | 0.3 | undecidable | manual | P | 236 | 27.9498 | 96 | -0.08 | 72 |
IV.RM33.EHZ. | 2020-04-10T16:59:57.40 | 0.3 | undecidable | manual | P | 199 | 27.4503 | 96 | 0.1 | 72 |
IV.NRCA.HHZ. | 2020-04-10T16:59:56.00 | 0.3 | undecidable | manual | P | 300 | 19.869 | 103 | -0.14 | 72 |
IV.MC2.EHZ. | 2020-04-10T16:59:56.43 | 0.3 | undecidable | manual | P | 329 | 21.6672 | 100 | 0.01 | 74 |
IV.CAMP.HHE. | 2020-04-10T16:59:56.71 | 0.3 | undecidable | manual | P | 163 | 24.0537 | 98 | -0.06 | 73 |
IV.MTRA.EHZ. | 2020-04-10T16:59:56.35 | 0.1 | undecidable | manual | S | 76 | 6.0939 | 148 | -0.02 | 100 |
IV.SMA1.EHE. | 2020-04-10T16:59:55.25 | 0.1 | undecidable | manual | P | 176 | 12.5763 | 121 | 0.16 | 98 |
IV.MMO1.EHZ. | 2020-04-10T16:59:55.65 | 0.1 | positive | manual | P | 1 | 17.3715 | 107 | -0.12 | 97 |
IV.T1299.HNN. | 2020-04-10T16:59:55.35 | 0.1 | undecidable | manual | P | 196 | 12.5763 | 121 | 0.26 | 96 |
IV.MTRA.EHZ. | 2020-04-10T16:59:54.49 | 0.1 | undecidable | manual | P | 76 | 6.0939 | 148 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.3 | 0.00027400000000000005 | 0.28 | AML | other | m | 2020-04-10T16:59:56.39 |
IV.MTRA.EHE. | ML:1.2 | 0.00019700000000000002 | 0.34 | AML | other | m | 2020-04-10T16:59:56.51 |
IV.SMA1.EHN. | ML:1.2 | 0.00014500000000000003 | 0.32 | AML | other | m | 2020-04-10T16:59:57.80 |
IV.SMA1.EHE. | ML:1.1 | 0.00012084999999999998 | 0.08 | AML | other | m | 2020-04-10T16:59:57.85 |
IV.NRCA.HHE. | ML:1.2 | 0.00010435 | 0.34 | AML | other | m | 2020-04-10T16:59:59.25 |
IV.NRCA.HHN. | ML:1.0 | 0.0000693 | 0.16 | AML | other | m | 2020-04-10T16:59:59.51 |
IV.TERO.HHN. | ML:0.8 | 0.0000336 | 0.38 | AML | other | m | 2020-04-10T17:00:01.27 |
IV.TERO.HHE. | ML:0.7 | 0.00002435 | 0.7 | AML | other | m | 2020-04-10T17:00:01.68 |
IV.MTRA.HNE. | ML:1.2 | 0.00022490185 | 0.3328 | AML | other | m | 2020-04-10T16:59:56.67 |
IV.MTRA.HNN. | ML:1.2 | 0.00020330285 | 0.3456 | AML | other | m | 2020-04-10T16:59:57.40 |
IV.RM33.EHN. | ML:0.8 | 0.00003567713 | 0.1664 | AML | other | m | 2020-04-10T17:00:02.11 |
IV.RM33.EHE. | ML:1.0 | 0.000043547825 | 1.4464 | AML | other | m | 2020-04-10T17:00:02.59 |
IV.FDMO.HHE. | ML:0.8 | 0.000017788755 | 0.1792 | AML | other | m | 2020-04-10T17:00:04.88 |
IV.FDMO.HHN. | ML:0.6 | 0.000017189639999999998 | 0.2816 | AML | other | m | 2020-04-10T17:00:04.79 |