Earthquake with magnitude of ML 1.2 on date 25-11-2021 and time 23:10:21 (Italy) in region 5 km NW Capitignano (AQ)

A magnitude ML 1.2 earthquake occured in region: 5 km NW Capitignano (AQ), on

  • 25-11-2021 22:10:21 (UTC)
  • 25-11-2021 23:10:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.562, 13.279 at 12 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 5 2581 2581
Capitignano AQ 5 665 3246
Campotosto AQ 8 542 3788
Amatrice RI 8 2657 6445
Cittareale RI 12 482 6927
Cagnano Amiterno AQ 12 1369 8296
Barete AQ 12 737 9033
Borbona RI 13 617 9650
Pizzoli AQ 14 4326 13976
Accumoli RI 15 667 14643
Posta RI 16 694 15337
Crognaleto TE 17 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
77 Km W of Pescara (121014 inhabitants)
95 Km SE of Perugia (166134 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2021-11-25
22:10:21
42.5617 13.2793 13 2021-11-25
22:14:40
Sala Sismica INGV-Roma 97793871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-25 22:10:21 ± 0.1
Latitude 42.5617 ± 0.0054
Longitude 13.2793 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97793871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 462
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 97793871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-25 22:14:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-11-25T22:10:33.02 0.1 undecidable manual S 336 0.2977 94 -0.11 95
IV.TERO.HHZ. 2021-11-25T22:10:31.49 0.1 undecidable manual S 76 0.2464 96 -0.14 93
IV.LNSS.HHZ. 2021-11-25T22:10:29.60 0.1 undecidable manual S 283 0.1808 101 -0.09 96
IV.NRCA.HHZ. 2021-11-25T22:10:28.48 0.6 undecidable manual P 336 0.2977 94 0.11 47
IV.TERO.HHZ. 2021-11-25T22:10:27.57 0.6 undecidable manual P 76 0.2464 96 0.07 48
IV.SMA1.EHZ. 2021-11-25T22:10:27.02 0.1 undecidable manual S 31 0.08 134 0 100
IV.LNSS.HHZ. 2021-11-25T22:10:26.38 0.1 positive manual P 283 0.1808 101 0 97
IV.RM33.EHZ. 2021-11-25T22:10:26.69 0.1 undecidable manual S 222 0.071 138 -0.15 95
IV.SMA1.EHZ. 2021-11-25T22:10:25.06 0.1 negative manual P 31 0.08 134 0.22 96
IV.RM33.EHZ. 2021-11-25T22:10:24.90 0.1 positive manual P 222 0.071 138 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.000142 1.86 AML other m 2021-11-25T22:10:27.93
IV.RM33.EHE. ML:1.1 0.0001515 0.16 AML other m 2021-11-25T22:10:27.11
IV.SMA1.EHN. ML:1.2 0.000206 0.46 AML other m 2021-11-25T22:10:27.26
IV.SMA1.EHE. ML:1.4 0.000279 0.44 AML other m 2021-11-25T22:10:27.31
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