Earthquake with magnitude of ML 1.1 on date 23-01-2022 and time 02:12:44 (Italy) in region 4 km SW San Severino Marche (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km SW San Severino Marche (MC), on

  • 23-01-2022 01:12:44 (UTC)
  • 23-01-2022 02:12:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2050, 13.1490 at 17 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
San Severino Marche MC 4 12726 12726
Serrapetrona MC 5 966 13692
Castelraimondo MC 7 4587 18279
Gagliole MC 8 620 18899
Belforte del Chienti MC 9 1886 20785
Caldarola MC 10 1823 22608
Camerino MC 10 6974 29582
Tolentino MC 11 20069 49651
Camporotondo di Fiastrone MC 13 563 50214
Matelica MC 13 9981 60195
Pioraco MC 14 1134 61329
Cessapalombo MC 14 512 61841
Muccia MC 16 915 62756
Pievebovigliana MC 17 866 63622
Esanatoglia MC 17 2034 65656
Sefro MC 17 422 66078
San Ginesio MC 17 3498 69576
Colmurano MC 18 1263 70839
Fiuminata MC 18 1402 72241
Pollenza MC 18 6618 78859
Treia MC 18 9403 88262
Cerreto d'Esi AN 19 3817 92079
Urbisaglia MC 19 2628 94707
Fiastra MC 19 559 95266
Ripe San Ginesio MC 19 852 96118
Fiordimonte MC 19 202 96320
Acquacanina MC 20 121 96441
Pieve Torina MC 20 1458 97899
Cingoli MC 20 10352 108251
Poggio San Vicino MC 20 246 108497

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Foligno (57155 inhabitants)
55 Km SW of Ancona (100861 inhabitants)
63 Km E of Perugia (166134 inhabitants)
72 Km S of Fano (60888 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
82 Km NE of Terni (111501 inhabitants)
97 Km N of L'Aquila (69753 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 1.1 2022-01-23
01:12:44
43.2052 13.1488 17 2022-01-23
01:22:40
Sala Sismica INGV-Roma 100072021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-23 01:12:44 ± 0.07
Latitude 43.2052 ± 0.0018
Longitude 13.1488 ± 0.0025
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100072021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 200
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17447
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 100072021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-23 01:22:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2022-01-23T01:12:53.09 3.0 undecidable manual P 0.11 0
IV.APEC.HHZ. 2022-01-23T01:12:53.01 3.0 negative manual Pn -0.44 0
IV.EL6.EHZ. 2022-01-23T01:12:51.07 0.3 undecidable manual S 345 14.2746 131 0.02 75
IV.SNTG.HHZ. 2022-01-23T01:12:51.73 0.3 undecidable manual S 288 17.6712 124 -0.05 74
IV.MML1.EHZ. 2022-01-23T01:12:51.80 0.3 undecidable manual S 235 17.5713 124 0.05 74
IV.CSP1.EHZ. 2022-01-23T01:12:50.82 0.3 undecidable manual S 160 13.3755 134 -0.05 75
IV.SNTG.HHZ. 2022-01-23T01:12:48.44 0.6 negative manual P 288 17.6712 124 -0.07 49
IV.CING.HHZ. 2022-01-23T01:12:48.78 1.0 positive manual P 11 19.2696 121 0.07 25
IV.MML1.EHZ. 2022-01-23T01:12:48.52 0.6 negative manual P 235 17.5713 124 0.03 50
IV.CSP1.EHZ. 2022-01-23T01:12:48.03 0.6 undecidable manual P 160 13.3755 134 0.04 50
IV.FDMO.HHZ. 2022-01-23T01:12:48.60 1.0 undecidable manual P 195 19.3695 121 -0.12 24
IV.EL6.EHZ. 2022-01-23T01:12:48.09 0.1 undecidable manual P 345 14.2746 131 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.7 0.0000999 0.08 AML other m 2022-01-23T01:12:54.85
IV.MOMA.HHE. ML:1.7 0.00009095122 0.08 AML other m 2022-01-23T01:12:54.82
IV.CSP1.EHE. ML:1.2 0.00012265991499999998 0.18 AML other m 2022-01-23T01:12:51.06
IV.CSP1.EHN. ML:1.2 0.00010844156000000001 0.16 AML other m 2022-01-23T01:12:50.96
IV.EL6.EHE. ML:0.8 0.00004664103 0.28 AML other m 2022-01-23T01:12:51.74
IV.EL6.EHN. ML:0.9 0.00005441498 0.6 AML other m 2022-01-23T01:12:51.81
IV.SNTG.HHE. ML:-0.1 0.0000064625430000000005 0.08 AML other m 2022-01-23T01:12:51.79
IV.SNTG.HHN. ML:-0.1 0.000007004113350000001 0.06 AML other m 2022-01-23T01:12:52.33
IV.MOMA.HNE. ML:1.8 0.00011300545 0.4896 AML other m 2022-01-23T01:12:57.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download