Earthquake with magnitude of ML 0.7 on date 25-01-2022 and time 12:50:18 (Italy) in region 3 km SW Ascoli Piceno (AP)

A magnitude ML 0.7 earthquake occured in region: 3 km SW Ascoli Piceno (AP), on

  • 25-01-2022 11:50:18 (UTC)
  • 25-01-2022 12:50:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 13.5540 at 18 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
Ascoli Piceno AP 3 49407 49407
Folignano AP 7 9241 58648
Roccafluvione AP 7 2010 60658
Venarotta AP 8 2066 62724
Maltignano AP 11 2401 65125
Palmiano AP 11 196 65321
Civitella del Tronto TE 11 5116 70437
Valle Castellana TE 12 977 71414
Appignano del Tronto AP 12 1785 73199
Castignano AP 13 2796 75995
Sant'Egidio alla Vibrata TE 13 9811 85806
Acquasanta Terme AP 14 2916 88722
Castel di Lama AP 14 8634 97356
Rotella AP 14 906 98262
Ancarano TE 15 1857 100119
Force AP 16 1354 101473
Montedinove AP 16 488 101961
Campli TE 16 7209 109170
Castorano AP 16 2380 111550
Offida AP 16 5058 116608
Rocca Santa Maria TE 16 537 117145
Colli del Tronto AP 17 3668 120813
Montalto delle Marche AP 18 2122 122935
Montegallo AP 18 523 123458
Comunanza AP 18 3166 126624
Torano Nuovo TE 18 1611 128235
Montefalcone Appennino FM 19 424 128659
Spinetoli AP 19 7215 135874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Teramo (54892 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
60 Km NW of Montesilvano (53738 inhabitants)
68 Km NW of Pescara (121014 inhabitants)
71 Km E of Foligno (57155 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
80 Km E of Terni (111501 inhabitants)
88 Km S of Ancona (100861 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 0.7 2022-01-25
11:50:18
42.8315 13.5543 18 2022-01-25
11:58:02
Sala Sismica INGV-Roma 100168851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-25 11:50:18 ± 0.18
Latitude 42.8315 ± 0.0063
Longitude 13.5543 ± 0.0110
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100168851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 903
Semi-minor axis of confidence ellipse (meter) 507
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.13760
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 100168851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-25 11:58:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-01-25T11:50:31.76 0.3 undecidable manual S 316 40.5261 104 0.23 69
IV.SMA1.EHZ. 2022-01-25T11:50:28.62 0.3 undecidable manual S 219 28.5492 112 0.12 72
IV.TERO.HHZ. 2022-01-25T11:50:27.12 0.3 undecidable manual S 170 23.4543 118 -0.15 72
IV.MMO1.EHZ. 2022-01-25T11:50:26.44 0.3 undecidable manual S 292 19.9689 123 -0.01 74
IV.MTRA.EHZ. 2022-01-25T11:50:25.48 0.3 undecidable manual S 237 15.2736 132 0.01 75
IV.CSP1.EHZ. 2022-01-25T11:50:25.79 0.1 undecidable manual P 316 40.5261 104 -0.04 95
IV.SMA1.EHZ. 2022-01-25T11:50:24.14 0.1 undecidable manual P 219 28.5492 112 0.06 97
IV.TERO.HHZ. 2022-01-25T11:50:23.38 0.1 undecidable manual P 170 23.4543 118 0.01 99
IV.MF5.EHZ. 2022-01-25T11:50:23.00 0.1 undecidable manual P 336 18.9699 125 0.23 96
IV.MTRA.EHZ. 2022-01-25T11:50:22.36 0.1 undecidable manual P 237 15.2736 132 0.03 100
IV.MMO1.EHZ. 2022-01-25T11:50:22.42 0.1 undecidable manual P 292 19.9689 123 -0.48 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.7 0.00003738708 0.256 AML other m 2022-01-25T11:50:25.65
IV.MTRA.EHN. ML:0.5 0.000021173999999999998 0.416 AML other m 2022-01-25T11:50:26.14
IV.TERO.HHE. ML:0.8 0.000029984875 0.256 AML other m 2022-01-25T11:50:27.48
IV.TERO.HHN. ML:0.7 0.000024348765 0.0832 AML other m 2022-01-25T11:50:27.56
IV.SMA1.EHN. ML:0.8 0.0000249985 0.224 AML other m 2022-01-25T11:50:28.85
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