Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 04-01-2022 and time 00:02:31 (UTC) in region 2 km S Comunanza (AP)

A magnitude ML 0.9 earthquake occured in region: 2 km S Comunanza (AP), on

  • 04-01-2022 00:02:31 (UTC)
  • 04-01-2022 01:02:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 13.4080 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Comunanza AP 2 3166 3166
Montefortino FM 5 1178 4344
Palmiano AP 6 196 4540
Amandola FM 6 3629 8169
Montefalcone Appennino FM 7 424 8593
Force AP 7 1354 9947
Smerillo FM 8 365 10312
Montemonaco AP 8 604 10916
Venarotta AP 10 2066 12982
Roccafluvione AP 10 2010 14992
Monte San Martino MC 11 765 15757
Santa Vittoria in Matenano FM 12 1330 17087
Montegallo AP 12 523 17610
Rotella AP 13 906 18516
Penna San Giovanni MC 13 1108 19624
Montelparo FM 14 778 20402
Sarnano MC 14 3264 23666
Montedinove AP 15 488 24154
Gualdo MC 15 815 24969
Monteleone di Fermo FM 16 395 25364
Bolognola MC 16 142 25506
Ascoli Piceno AP 17 49407 74913
Montalto delle Marche AP 17 2122 77035
Servigliano FM 17 2336 79371
Monte Rinaldo FM 17 379 79750
Castignano AP 17 2796 82546
Sant'Angelo in Pontano MC 18 1436 83982
Monsampietro Morico FM 19 659 84641
Acquasanta Terme AP 19 2916 87557
Ortezzano FM 19 774 88331
Falerone FM 19 3337 91668
Montottone FM 20 979 92647
Belmonte Piceno FM 20 646 93293

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Teramo (54892 inhabitants)
57 Km E of Foligno (57155 inhabitants)
66 Km N of L'Aquila (69753 inhabitants)
75 Km NE of Terni (111501 inhabitants)
76 Km S of Ancona (100861 inhabitants)
77 Km NW of Montesilvano (53738 inhabitants)
85 Km NW of Pescara (121014 inhabitants)
85 Km E of Perugia (166134 inhabitants)
90 Km NW of Chieti (51815 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 2022-01-04
00:02:31		 42.9408 13.4083 18 2022-01-04
00:20:58		 Sala Sismica INGV-Roma 99297081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 00:02:31 ± 0.22
Latitude 42.9408 ± 0.0099
Longitude 13.4083 ± 0.0123
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99297081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 914
Semi-minor axis of confidence ellipse (meter) 876
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.25361
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 99297081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-04 00:20:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2022-01-04T00:02:41.70 0.3 undecidable manual S 244 26.751 114 0.36 68
IV.FDMO.HHZ. 2022-01-04T00:02:41.66 0.3 undecidable manual S 292 28.1496 112 -0.03 73
IV.MNTT.EHZ. 2022-01-04T00:02:40.40 0.1 undecidable manual S 48 20.2686 123 0.57 88
IV.CSP1.EHZ. 2022-01-04T00:02:40.64 0.1 undecidable manual S 315 23.5542 118 0.06 99
IV.MC2.EHZ. 2022-01-04T00:02:39.92 0.1 undecidable manual S 260 18.1707 127 0.56 87
IV.FDMO.HHZ. 2022-01-04T00:02:37.06 0.1 undecidable manual P 292 28.1496 112 -0.26 93
IV.MMO1.EHZ. 2022-01-04T00:02:37.44 0.1 undecidable manual S 235 8.0808 152 -0.14 100
IV.MF5.EHZ. 2022-01-04T00:02:37.29 0.1 undecidable manual S 39 6.6933 156 -0.12 100
IV.MNTT.EHZ. 2022-01-04T00:02:36.28 0.1 undecidable manual P 48 20.2686 123 0.04 99
IV.CSP1.EHZ. 2022-01-04T00:02:36.45 0.1 undecidable manual P 315 23.5542 118 -0.22 94
IV.NRCA.HHZ. 2022-01-04T00:02:36.99 0.3 undecidable manual P 244 26.751 114 -0.13 72
IV.MC2.EHZ. 2022-01-04T00:02:35.91 0.1 undecidable manual P 260 18.1707 127 -0.06 99
IV.MF5.EHZ. 2022-01-04T00:02:34.61 0.1 undecidable manual P 39 6.6933 156 -0.24 97
IV.MMO1.EHZ. 2022-01-04T00:02:34.72 0.3 negative manual P 235 8.0808 152 -0.22 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.0000309 1.38 AML other m 2022-01-04T00:02:41.16
IV.NRCA.HHE. ML:1.0 0.00004555 0.16 AML other m 2022-01-04T00:02:42.05
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