Earthquake with magnitude of ML 1.0 on date 25-06-2023 and time 22:10:38 (Italy) in region 3 km E Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 3 km E Amatrice (RI), on

  • 25-06-2023 20:10:38 (UTC)
  • 25-06-2023 22:10:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6430, 13.3280 at 20 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 4 2657 2657
Accumoli RI 9 667 3324
Campotosto AQ 10 542 3866
Capitignano AQ 14 665 4531
Cittareale RI 14 482 5013
Arquata del Tronto AP 15 1178 6191
Montereale AQ 15 2581 8772
Cortino TE 15 656 9428
Acquasanta Terme AP 16 2916 12344
Crognaleto TE 16 1297 13641
Rocca Santa Maria TE 17 537 14178
Valle Castellana TE 17 977 15155
Fano Adriano TE 20 296 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
92 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 1.0 2023-06-25
20:10:38
42.6432 13.3282 20 2023-06-25
20:18:56
Sala Sismica INGV-Roma 118721521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-25 20:10:38 ± 0.06
Latitude 42.6432 ± 0.0018
Longitude 13.3282 ± 0.0024
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118721521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 48
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.26170
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118721521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-25 20:18:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2023-06-25T20:10:49.60 0.6 undecidable manual S 136 29.0487 116 -0.04 48
IV.MMO1.EHZ. 2023-06-25T20:10:49.70 0.6 undecidable manual S 360 28.4493 117 0.21 47
7F.SIB2.EHZ. 2023-06-25T20:10:49.20 0.6 undecidable manual S 356 27.5502 118 -0.09 48
IV.NRCA.HHZ. 2023-06-25T20:10:49.13 0.6 undecidable manual S 321 27.3504 118 -0.12 48
IV.LNSS.HNZ. 2023-06-25T20:10:48.44 0.6 undecidable manual S 259 23.9538 122 -0.01 49
IV.TERO.HHZ. 2023-06-25T20:10:48.24 0.6 undecidable manual S 96 22.6551 124 0.08 49
7F.SIB3.EHZ. 2023-06-25T20:10:48.85 0.6 undecidable manual S 350 26.1516 120 -0.11 48
IV.RM33.EHZ. 2023-06-25T20:10:47.07 0.6 undecidable manual S 212 17.5713 133 -0.03 50
IV.MTRA.HNZ. 2023-06-25T20:10:46.20 0.6 undecidable manual S 24 13.7751 141 -0.2 49
IV.SMA1.EHZ. 2023-06-25T20:10:45.13 0.6 undecidable manual S 158 1.4985 175 0 51
IV.MMO1.EHZ. 2023-06-25T20:10:45.08 0.1 undecidable manual P 360 28.4493 117 0.1 96
IV.NRCA.HHZ. 2023-06-25T20:10:44.82 0.1 negative manual P 321 27.3504 118 -0.02 97
7F.SIB3.EHZ. 2023-06-25T20:10:44.64 0.1 undecidable manual P 350 26.1516 120 -0.04 97
IV.GIGS.HHZ. 2023-06-25T20:10:44.92 0.1 undecidable manual P 136 29.0487 116 -0.15 95
IV.LNSS.HNZ. 2023-06-25T20:10:44.39 0.1 undecidable manual P 259 23.9538 122 0.01 99
7F.SIB2.EHZ. 2023-06-25T20:10:44.87 0.1 undecidable manual P 356 27.5502 118 0 98
IV.TERO.HHZ. 2023-06-25T20:10:44.31 0.1 positive manual P 96 22.6551 124 0.1 97
IV.RM33.EHZ. 2023-06-25T20:10:43.69 0.1 positive manual P 212 17.5713 133 0.09 98
IV.MTRA.HNZ. 2023-06-25T20:10:43.23 0.1 undecidable manual P 24 13.7751 141 0.03 100
IV.SMA1.EHZ. 2023-06-25T20:10:42.58 0.6 undecidable manual P 158 1.4985 175 0.11 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.00007500000000000001 0.16 AML other m 2023-06-25T20:10:45.18
IV.SMA1.EHE. ML:0.9 0.0000702 1.06 AML other m 2023-06-25T20:10:45.35
IV.RM33.EHE. ML:1.1 0.00007280000000000001 0.3 AML other m 2023-06-25T20:10:47.24
IV.RM33.EHN. ML:1.0 0.0000614 0.98 AML other m 2023-06-25T20:10:47.42
IV.NRCA.HHN. ML:1.1 0.00006245 0.12 AML other m 2023-06-25T20:10:49.43
IV.NRCA.HHE. ML:1.2 0.00006890000000000001 0.12 AML other m 2023-06-25T20:10:49.51
IV.TERO.HHE. ML:0.8 0.000029025565000000003 0.0896 AML other m 2023-06-25T20:10:48.32
IV.TERO.HHN. ML:0.3 0.00001199683 0.1408 AML other m 2023-06-25T20:10:48.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download