Earthquake with magnitude of ML 1.2 on date 05-12-2021 and time 04:42:53 (Italy) in region 4 km NE Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Campotosto (AQ), on

  • 05-12-2021 03:42:53 (UTC)
  • 05-12-2021 04:42:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.579, 13.405 at 15 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
Campotosto AQ 4 542 542
Crognaleto TE 7 1297 1839
Cortino TE 10 656 2495
Capitignano AQ 11 665 3160
Amatrice RI 11 2657 5817
Fano Adriano TE 11 296 6113
Pietracamela TE 14 271 6384
Montereale AQ 14 2581 8965
Rocca Santa Maria TE 16 537 9502
Barete AQ 17 737 10239
Pizzoli AQ 18 4326 14565
Accumoli RI 18 667 15232
Montorio al Vomano TE 19 8218 23450
Valle Castellana TE 19 977 24427
Cagnano Amiterno AQ 20 1369 25796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
26 Km W of Teramo (54892 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
68 Km W of Chieti (51815 inhabitants)
68 Km W of Pescara (121014 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km NE of Guidonia Montecelio (88673 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 2021-12-05
03:42:53
42.5792 13.4053 15 2021-12-05
03:49:15
Sala Sismica INGV-Roma 98160741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-05 03:42:53 ± 0.08
Latitude 42.5792 ± 0.0054
Longitude 13.4053 ± 0.0037
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 98160741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.41009
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 98160741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-05 03:49:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-12-05T03:43:05.48 0.3 undecidable manual S 320 0.3318 100 -0.19 70
IV.LNSS.HHZ. 2021-12-05T03:43:04.05 0.3 undecidable manual S 275 0.2698 103 0.2 70
IV.MF5.EHZ. 2021-12-05T03:43:02.05 0.1 undecidable manual P 6 0.4101 97 0.3 90
IV.MC2.EHZ. 2021-12-05T03:43:01.24 1.0 undecidable manual P 335 0.3678 98 0.2 23
IV.NRCA.HHZ. 2021-12-05T03:43:00.26 0.1 undecidable manual P 320 0.3318 100 -0.17 93
IV.RM33.EHZ. 2021-12-05T03:43:00.65 0.1 undecidable manual S 244 0.1574 119 -0.07 98
IV.TERO.HHZ. 2021-12-05T03:43:00.51 0.1 undecidable manual S 73 0.1529 120 -0.09 97
IV.LNSS.HHZ. 2021-12-05T03:42:59.28 0.1 undecidable manual P 275 0.2698 103 -0.1 96
IV.CAMP.HHE. 2021-12-05T03:42:58.54 0.3 undecidable manual S 176 0.0432 159 0.08 76
IV.SMA1.EHZ. 2021-12-05T03:42:58.78 0.1 undecidable manual S 315 0.0728 146 -0.08 100
IV.TERO.HHZ. 2021-12-05T03:42:57.46 0.1 undecidable manual P 73 0.1529 120 -0.05 98
IV.RM33.EHZ. 2021-12-05T03:42:57.52 0.1 undecidable manual P 244 0.1574 119 -0.05 99
IV.SMA1.EHZ. 2021-12-05T03:42:56.65 0.1 undecidable manual P 315 0.0728 146 0.15 99
IV.CAMP.HHE. 2021-12-05T03:42:56.31 0.3 undecidable manual P 176 0.0432 159 0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.9 7.760122E-5 0.08 AML other m 2021-12-05T03:42:59.30
IV.SMA1.EHN. ML:0.8 5.885391E-5 0.08 AML other m 2021-12-05T03:42:59.22
IV.RM33.EHN. ML:1.4 0.000175 0.14 AML other m 2021-12-05T03:43:00.86
IV.RM33.EHE. ML:1.2 0.00010956296 0.1792 AML other m 2021-12-05T03:43:00.89
IV.LNSS.HHE. ML:1.4 0.000103440535 0.1408 AML other m 2021-12-05T03:43:04.50
IV.NRCA.HHE. ML:1.4 9.803253E-5 0.1792 AML other m 2021-12-05T03:43:06.24
IV.NRCA.HHN. ML:1.4 9.11E-5 0.1 AML other m 2021-12-05T03:43:06.72
IV.LNSS.HHN. ML:1.2 6.5642925E-5 0.1792 AML other m 2021-12-05T03:43:04.63
IV.TERO.HHN. ML:0.9 5.6844215E-5 0.1392 AML other m 2021-12-05T03:43:00.70
IV.RM33.HNN. ML:1.5 0.0002060139 0.1696 AML other m 2021-12-05T03:43:00.78
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