Earthquake with magnitude of ML 1.1 on date 29-09-2020 and time 06:45:30 (Italy) in region 2 km E Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 2 km E Amatrice (RI), on

  • 29-09-2020 04:45:30 (UTC)
  • 29-09-2020 06:45:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6280, 13.3190 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 2 2657 2657
Campotosto AQ 9 542 3199
Accumoli RI 10 667 3866
Capitignano AQ 12 665 4531
Montereale AQ 13 2581 7112
Cittareale RI 13 482 7594
Cortino TE 16 656 8250
Crognaleto TE 16 1297 9547
Arquata del Tronto AP 16 1178 10725
Acquasanta Terme AP 18 2916 13641
Rocca Santa Maria TE 18 537 14178
Valle Castellana TE 19 977 15155
Fano Adriano TE 20 296 15451
Borbona RI 20 617 16068
Barete AQ 20 737 16805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.1 2020-09-29
04:45:30
42.6278 13.319 10 2020-09-29
04:56:08
Sala Sismica INGV-Roma 83352041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-29 04:45:30 ± 0.05
Latitude 42.6278 ± 0.0036
Longitude 13.3190 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83352041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 343
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
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) 0.31836
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 83352041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-29 04:56:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2020-09-29T04:46:04.17 3.0 undecidable manual S -0.01 0
IV.GAVE.EHZ. 2020-09-29T04:45:42.93 0.3 undecidable manual S 282 35.3424 50 -0.2 69
IV.NRCA.HHN. 2020-09-29T04:45:41.06 0.6 undecidable manual S 324 28.2495 50 -0.17 47
IV.MMO1.EHZ. 2020-09-29T04:45:41.82 1.0 undecidable manual S 1 30.1476 50 0.1 24
IV.GIGS.HHE. 2020-09-29T04:45:40.88 0.3 undecidable manual S 133 28.3494 50 -0.38 67
IV.LNSS.HHZ. 2020-09-29T04:45:39.89 0.3 undecidable manual S 263 22.9548 113 0.25 69
IV.TERO.HHZ. 2020-09-29T04:45:39.76 0.6 undecidable manual S 91 23.2545 113 0.01 48
IV.GAVE.EHZ. 2020-09-29T04:45:38.05 0.1 undecidable manual P 282 35.3424 50 0.06 94
IV.MMO1.EHZ. 2020-09-29T04:45:37.31 0.1 undecidable manual P 1 30.1476 50 0.13 93
IV.RM33.EHZ. 2020-09-29T04:45:37.35 0.3 undecidable manual S 213 15.6732 122 -0.08 73
IV.MTRA.EHN. 2020-09-29T04:45:37.27 0.6 undecidable manual S 24 15.5733 122 -0.13 48
IV.CAMP.HHE. 2020-09-29T04:45:36.52 0.3 undecidable manual S 144 12.5763 128 -0.02 74
IV.GIGS.HHE. 2020-09-29T04:45:36.99 0.1 undecidable manual P 133 28.3494 50 0.08 95
IV.NRCA.HHN. 2020-09-29T04:45:36.84 0.1 undecidable manual P 324 28.2495 50 -0.05 95
IV.TERO.HHZ. 2020-09-29T04:45:36.10 0.1 undecidable manual P 91 23.2545 113 0.06 96
IV.MMUR.HNZ. 2020-09-29T04:45:35.23 3.0 positive manual P -0.06 0
IV.LNSS.HHZ. 2020-09-29T04:45:35.98 0.1 undecidable manual P 263 22.9548 113 0 97
IV.RM33.EHZ. 2020-09-29T04:45:34.90 0.3 positive manual P 213 15.6732 122 0.2 71
IV.MTRA.EHN. 2020-09-29T04:45:34.86 0.1 undecidable manual P 24 15.5733 122 0.18 95
IV.SMA1.EHZ. 2020-09-29T04:45:34.05 0.6 undecidable manual S 78 1.3986 172 -0.4 46
IV.CAMP.HHE. 2020-09-29T04:45:34.41 0.1 undecidable manual P 144 12.5763 128 0.22 95
IV.T1299.EHZ. 2020-09-29T04:45:33.97 0.6 undecidable manual S 283 3.0969 163 -0.61 43
IV.T1299.EHZ. 2020-09-29T04:45:33.03 0.1 undecidable manual P 283 3.0969 163 -0.03 100
IV.SMA1.EHZ. 2020-09-29T04:45:33.09 0.1 undecidable manual P 78 1.3986 172 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.8 0.00113 0.2 AML other m 2020-09-29T04:45:34.25
IV.SMA1.EHE. ML:2.1 0.0024649999999999997 0.16 AML other m 2020-09-29T04:45:34.27
IV.TERO.HHN. ML:1.3 0.000127 1.84 AML other m 2020-09-29T04:45:40.96
IV.TERO.HHE. ML:1.2 0.00008925 0.26 AML other m 2020-09-29T04:45:40.17
IV.RM33.EHE. ML:0.9 0.000069912395 0.2592 AML other m 2020-09-29T04:45:38.64
IV.RM33.EHN. ML:0.9 0.00007440724 0.3008 AML other m 2020-09-29T04:45:37.47
IV.LNSS.HHE. ML:0.7 0.000032373300000000004 0.1792 AML other m 2020-09-29T04:45:40.83
IV.LNSS.HHN. ML:0.6 0.000027221245000000003 0.1824 AML other m 2020-09-29T04:45:40.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download