Earthquake with magnitude of ML 1.1 on date 14-09-2021 and time 03:28:56 (Italy) in region 6 km N Montereale (AQ)

A magnitude ML 1.1 earthquake occured in region: 6 km N Montereale (AQ), on

  • 14-09-2021 01:28:56 (UTC)
  • 14-09-2021 03:28:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5740, 13.2330 at 14 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
Montereale AQ 6 2581 2581
Amatrice RI 8 2657 5238
Cittareale RI 8 482 5720
Capitignano AQ 8 665 6385
Borbona RI 11 617 7002
Campotosto AQ 11 542 7544
Posta RI 12 694 8238
Cagnano Amiterno AQ 13 1369 9607
Accumoli RI 14 667 10274
Barete AQ 14 737 11011
Pizzoli AQ 16 4326 15337
Micigliano RI 20 127 15464

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
98 Km NE of Roma (2864731 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 2021-09-14
01:28:56
42.5745 13.2328 14 2021-09-14
01:37:11
Sala Sismica INGV-Roma 95399451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-14 01:28:56 ± 0.14
Latitude 42.5745 ± 0.0063
Longitude 13.2328 ± 0.0061
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95399451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 644
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 340
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.51711
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 95399451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-14 01:37:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-09-14T01:29:14.51 0.6 undecidable manual S 358 57.3981 94 0.29 45
IV.MF5.EHZ. 2021-09-14T01:29:12.91 0.3 undecidable manual S 22 49.4172 95 0.82 59
IV.MMO1.EHZ. 2021-09-14T01:29:08.46 0.6 undecidable manual S 12 36.8298 97 -0.29 46
IV.TERO.HHZ. 2021-09-14T01:29:06.82 0.6 undecidable manual S 80 30.747 100 -0.32 47
IV.NRCA.HHZ. 2021-09-14T01:29:06.42 0.6 undecidable manual S 341 30.3474 100 -0.61 43
IV.GAVE.EHZ. 2021-09-14T01:29:06.80 0.6 undecidable manual S 295 30.5472 100 -0.29 48
IV.CSP1.EHZ. 2021-09-14T01:29:06.67 0.6 negative manual P 358 57.3981 94 -0.02 47
IV.MF5.EHZ. 2021-09-14T01:29:05.82 1.0 undecidable manual P 22 49.4172 95 0.36 23
IV.ARRO.EHZ. 2021-09-14T01:29:03.77 0.6 undecidable manual P 271 38.1285 97 0.04 49
IV.LNSS.HHZ. 2021-09-14T01:29:03.35 0.6 undecidable manual S 281 16.0728 118 -0.04 51
IV.MMO1.EHZ. 2021-09-14T01:29:03.39 1.0 negative manual P 12 36.8298 97 -0.14 24
IV.NRCA.HHZ. 2021-09-14T01:29:02.44 0.3 negative manual P 341 30.3474 100 -0.1 74
IV.GAVE.EHZ. 2021-09-14T01:29:02.50 0.3 positive manual P 295 30.5472 100 -0.07 75
IV.TERO.HHZ. 2021-09-14T01:29:02.56 0.1 undecidable manual P 80 30.747 100 -0.05 99
IV.SMA1.EHZ. 2021-09-14T01:29:01.95 0.6 undecidable manual S 53 10.3785 134 -0.22 50
IV.RM33.EHZ. 2021-09-14T01:29:01.69 0.6 undecidable manual S 192 7.3815 146 0.03 51
IV.LNSS.HHZ. 2021-09-14T01:29:00.54 0.1 positive manual P 281 16.0728 118 0.1 100
IV.RM33.EHZ. 2021-09-14T01:28:59.74 1.0 undecidable manual P 192 7.3815 146 0.3 24
IV.SMA1.EHZ. 2021-09-14T01:28:59.89 0.3 negative manual P 53 10.3785 134 0.16 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.000144 0.94 AML other m 2021-09-14T01:29:01.27
IV.SMA1.EHN. ML:1.3 0.0001945 0.46 AML other m 2021-09-14T01:29:02.47
IV.SMA1.EHE. ML:1.6 0.000368 0.42 AML other m 2021-09-14T01:29:02.31
IV.RM33.EHE. ML:1.2 0.000184 0.54 AML other m 2021-09-14T01:29:02.98
IV.LNSS.HHN. ML:1.0 0.00008335 0.3 AML other m 2021-09-14T01:29:03.54
IV.LNSS.HHE. ML:1.2 0.0001315 0.18 AML other m 2021-09-14T01:29:03.42
IV.NRCA.HHE. ML:1.0 0.00004675 0.58 AML other m 2021-09-14T01:29:06.56
IV.GAVE.EHE. ML:0.9 0.000035100000000000006 0.14 AML other m 2021-09-14T01:29:07.00
IV.GAVE.EHN. ML:1.1 0.000059 0.2 AML other m 2021-09-14T01:29:07.09
IV.NRCA.HHN. ML:0.8 0.0000277 1.5 AML other m 2021-09-14T01:29:07.24
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