Earthquake with magnitude of ML 1.2 on date 24-07-2020 and time 22:20:26 (UTC) in region 3 km E Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 3 km E Cittareale (RI), on

  • 24-07-2020 22:20:26 (UTC)
  • 25-07-2020 00:20:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6180, 13.1950 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
Cittareale RI 3 482 482
Amatrice RI 8 2657 3139
Accumoli RI 10 667 3806
Montereale AQ 11 2581 6387
Borbona RI 13 617 7004
Posta RI 13 694 7698
Capitignano AQ 14 665 8363
Campotosto AQ 16 542 8905
Cagnano Amiterno AQ 18 1369 10274
Cascia PG 19 3217 13491
Arquata del Tronto AP 19 1178 14669
Barete AQ 20 737 15406
Leonessa RI 20 2435 17841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km W of Pescara (121014 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
100 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 1.2 2020-07-24
22:20:26
42.6178 13.1948 15 2020-07-24
22:24:46
Sala Sismica INGV-Roma 81316881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-24 22:20:26 ± 0.1
Latitude 42.6178 ± 0.0063
Longitude 13.1948 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81316881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 499
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
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 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 81316881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-24 22:24:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2020-07-24T22:20:45.59 3.0 undecidable manual P 0.48 0
IV.SRES.HHZ. 2020-07-24T22:20:37.89 3.0 negative manual P -1.73 0
IV.TERO.HHZ. 2020-07-24T22:20:37.13 0.6 undecidable manual S 89 33.4443 99 -0.41 46
IV.ARRO.EHZ. 2020-07-24T22:20:37.21 0.6 undecidable manual S 263 35.3424 99 -0.84 38
IV.MMO1.EHZ. 2020-07-24T22:20:37.60 0.6 undecidable manual S 19 33.0447 100 0.16 48
IV.NRCA.HHZ. 2020-07-24T22:20:35.04 0.6 undecidable manual S 345 24.753 105 -0.26 47
IV.GAVE.EHZ. 2020-07-24T22:20:35.68 0.6 undecidable manual S 289 25.8519 104 0.1 50
IV.MTRA.EHZ. 2020-07-24T22:20:34.36 0.6 undecidable manual S 47 22.5552 108 -0.36 47
IV.ARRO.EHZ. 2020-07-24T22:20:33.16 0.6 negative manual P 263 35.3424 99 0.16 48
IV.MMO1.EHZ. 2020-07-24T22:20:32.77 0.1 undecidable manual P 19 33.0447 100 0.12 96
IV.RM33.EHZ. 2020-07-24T22:20:32.09 0.6 undecidable manual S 172 12.1767 130 -0.19 49
IV.TERO.HHZ. 2020-07-24T22:20:32.76 0.6 undecidable manual P 89 33.4443 99 0.05 49
IV.SMA1.EHZ. 2020-07-24T22:20:32.06 0.6 undecidable manual S 83 11.5773 132 -0.09 51
IV.LNSS.HHZ. 2020-07-24T22:20:32.32 0.6 undecidable manual S 263 12.6762 128 -0.07 50
IV.GAVE.EHZ. 2020-07-24T22:20:31.74 0.1 positive manual P 289 25.8519 104 0.17 97
IV.MTRA.EHZ. 2020-07-24T22:20:31.06 0.3 positive manual P 47 22.5552 108 -0.01 75
IV.NRCA.HHZ. 2020-07-24T22:20:31.42 0.6 positive manual P 345 24.753 105 0.01 50
IV.SMA1.EHZ. 2020-07-24T22:20:29.82 0.6 negative manual P 83 11.5773 132 0.23 49
IV.LNSS.HHZ. 2020-07-24T22:20:29.91 0.1 positive manual P 263 12.6762 128 0.17 99
IV.RM33.EHZ. 2020-07-24T22:20:29.78 0.1 undecidable manual P 172 12.1767 130 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.000073 0.84 AML other m 2020-07-24T22:20:32.60
IV.SMA1.EHE. ML:1.6 0.00039949999999999995 0.36 AML other m 2020-07-24T22:20:32.32
IV.LNSS.HHN. ML:1.3 0.000164 0.34 AML other m 2020-07-24T22:20:32.59
IV.LNSS.HHE. ML:1.3 0.0001915 0.16 AML other m 2020-07-24T22:20:32.45
IV.SMA1.EHN. ML:1.2 0.00013800000000000002 0.48 AML other m 2020-07-24T22:20:32.78
IV.RM33.EHE. ML:1.2 0.0001325 0.16 AML other m 2020-07-24T22:20:32.84
IV.MTRA.EHN. ML:1.4 0.00014250000000000002 0.26 AML other m 2020-07-24T22:20:34.58
IV.MTRA.EHE. ML:1.3 0.00011394999999999999 1.46 AML other m 2020-07-24T22:20:34.26
IV.NRCA.HHN. ML:1.0 0.00006185 0.42 AML other m 2020-07-24T22:20:35.59
IV.NRCA.HHE. ML:1.2 0.00008895000000000001 0.16 AML other m 2020-07-24T22:20:35.69
IV.GAVE.EHE. ML:1.1 0.00006604999999999999 0.16 AML other m 2020-07-24T22:20:35.78
IV.GAVE.EHN. ML:1.1 0.00007225 1.46 AML other m 2020-07-24T22:20:36.18
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