Earthquake with magnitude of ML 0.9 on date 25-05-2022 and time 02:23:07 (UTC) in region 4 km N Valle Castellana (TE)

A magnitude ML 0.9 earthquake occured in region: 4 km N Valle Castellana (TE), on

  • 25-05-2022 02:23:07 (UTC)
  • 25-05-2022 04:23:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7740, 13.5060 at 19 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
Valle Castellana TE 4 977 977
Acquasanta Terme AP 8 2916 3893
Rocca Santa Maria TE 10 537 4430
Roccafluvione AP 10 2010 6440
Ascoli Piceno AP 11 49407 55847
Folignano AP 12 9241 65088
Venarotta AP 12 2066 67154
Civitella del Tronto TE 13 5116 72270
Palmiano AP 15 196 72466
Campli TE 16 7209 79675
Montegallo AP 16 523 80198
Maltignano AP 16 2401 82599
Cortino TE 17 656 83255
Arquata del Tronto AP 17 1178 84433
Torricella Sicura TE 18 2641 87074
Sant'Egidio alla Vibrata TE 18 9811 96885
Appignano del Tronto AP 19 1785 98670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Teramo (54892 inhabitants)
48 Km N of L'Aquila (69753 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
67 Km NW of Pescara (121014 inhabitants)
68 Km E of Foligno (57155 inhabitants)
72 Km NW of Chieti (51815 inhabitants)
74 Km E of Terni (111501 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km E 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 0.9 2022-05-25
02:23:07
42.774 13.5062 19 2022-05-25
02:34:25
Sala Sismica INGV-Roma 105122211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-25 02:23:07 ± 0.16
Latitude 42.7740 ± 0.0045
Longitude 13.5062 ± 0.0086
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 105122211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 492
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 105122211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-25 02:34:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-05-25T02:23:19.06 3.0 negative manual P -0.04 0
IV.NRCA.HHZ. 2022-05-25T02:23:19.52 0.1 undecidable manual S 282 32.5452 111 0.14 96
7F.SIB1.EHZ. 2022-05-25T02:23:17.26 0.1 undecidable manual S 305 23.4543 121 0.08 98
IV.SMA1.EHZ. 2022-05-25T02:23:16.47 0.3 undecidable manual S 221 21.1677 125 -0.2 71
7F.SIB3.EHN. 2022-05-25T02:23:16.85 0.1 undecidable manual S 300 22.2555 123 -0.06 98
IV.MMO1.EHZ. 2022-05-25T02:23:16.37 0.1 undecidable manual S 314 20.1687 126 -0.08 99
IV.TERO.HHZ. 2022-05-25T02:23:16.14 0.1 undecidable manual S 155 18.5703 129 0.02 100
IV.NRCA.HHZ. 2022-05-25T02:23:14.47 0.3 positive manual P 282 32.5452 111 -0.01 73
7F.SIB3.EHN. 2022-05-25T02:23:13.08 0.1 undecidable manual P 300 22.2555 123 0.02 99
7F.SIB1.EHZ. 2022-05-25T02:23:13.48 0.3 undecidable manual P 305 23.4543 121 0.27 70
IV.MMO1.EHZ. 2022-05-25T02:23:12.46 0.3 undecidable manual P 314 20.1687 126 -0.33 70
IV.TERO.HHZ. 2022-05-25T02:23:12.56 0.6 undecidable manual P 155 18.5703 129 -0.04 50
IV.SMA1.EHZ. 2022-05-25T02:23:12.91 0.3 positive manual P 221 21.1677 125 -0.01 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0.9 0.0000506 0.2 AML other m 2022-05-25T02:23:16.27
IV.TERO.HHN. ML:0.9 0.00004514999999999999 0.22 AML other m 2022-05-25T02:23:16.17
IV.NRCA.HHN. ML:1.2 0.000057999999999999994 0.14 AML other m 2022-05-25T02:23:19.75
IV.NRCA.HHE. ML:1.1 0.0000441 1.12 AML other m 2022-05-25T02:23:20.02
IV.SMA1.EHE. ML:0.3 0.0000082205205 0.08 AML other m 2022-05-25T02:23:16.90
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