Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 04-07-2022 and time 03:59:40 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 04-07-2022 01:59:40 (UTC)
  • 04-07-2022 03:59:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2840, 15.8500 at 33 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km E of Siracusa (122291 inhabitants)
71 Km SE of Acireale (52622 inhabitants)
72 Km E of Catania (314555 inhabitants)
94 Km S of Reggio di Calabria (183035 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
Bulletin
Rev1000 		ML 1.8 2022-07-04
01:59:40		 37.2837 15.8497 33 2023-01-31
19:03:49		 Bollettino Sismico Italiano INGV 110464861
Reviewed
Rev100 		ML 1.8 2022-07-04
01:59:41		 37.2633 15.8462 10 2022-07-04
02:04:47		 Sala Sismica INGV-Roma 106774631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-04 01:59:40 ± 0.12
Latitude 37.2837 ± 0.0081
Longitude 15.8497 ± 0.0090
Depth (km) 33 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110464861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1052
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.18441
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 110464861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-03 21:15:19

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 106774631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-04 02:04:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.WDD.HHZ. 2022-07-04T02:00:16.86 3.0 undecidable manual P 0
IV.HMDC.HHZ. 2022-07-04T02:00:10.00 0.3 undecidable manual S 249 101.0211 54 -0.34 67
IV.ISPIC.EHZ. 2022-07-04T02:00:10.00 0.6 undecidable manual S 237 100.7214 54 -0.28 45
IV.HVZN.HHZ. 2022-07-04T02:00:10.10 0.6 undecidable manual S 264 100.8213 54 -0.21 46
IV.HLNI.HHZ. 2022-07-04T02:00:06.40 0.6 undecidable manual S 275 86.5467 106 -0.51 44
IV.HAVL.HHZ. 2022-07-04T02:00:03.40 0.3 undecidable manual S 241 73.7706 109 -0.25 71
IV.HCRL.HHZ. 2022-07-04T02:00:03.50 0.1 undecidable manual S 270 72.1722 110 0.25 96
IV.SSY.HHZ. 2022-07-04T02:00:02.60 0.3 undecidable manual S 259 69.9744 110 -0.1 74
IV.SOI.EHN. 2022-07-04T02:00:01.18 3.0 undecidable manual P 89.4438 5 0
IV.MUCR.HHZ. 2022-07-04T02:00:01.17 3.0 negative manual P 120.1908 1.05 0
IV.RAFF.HHZ. 2022-07-04T02:00:01.33 1.0 undecidable manual P 267 131.4684 54 -0.2 22
1J.FX07.HHN. 2022-07-04T02:00:00.05 3.0 undecidable manual P 68.8755 6.88 0
IV.HVIT.HHZ. 2022-07-04T02:00:00.85 0.3 undecidable manual P 255 121.7892 54 0.52 61
MN.CEL.HHZ. 2022-07-04T01:59:58.56 0.3 undecidable manual P 2 108.4137 54 -0.1 69
IV.ISPIC.EHZ. 2022-07-04T01:59:57.66 0.1 undecidable manual P 237 100.7214 54 -0.04 95
IV.HVZN.HHZ. 2022-07-04T01:59:57.99 0.3 undecidable manual P 264 100.8213 54 0.27 67
IV.HMDC.HHZ. 2022-07-04T01:59:57.74 0.3 undecidable manual P 249 101.0211 54 0 71
IV.AIO.HHE. 2022-07-04T01:59:57.01 0.6 undecidable manual P 325 93.5397 105 0.21 46
1J.FX01.HHN. 2022-07-04T01:59:55.44 3.0 undecidable manual P 54.9006 4.24 0
IV.HLNI.HHZ. 2022-07-04T01:59:55.73 0.1 undecidable manual P 275 86.5467 106 -0.03 97
1J.FX09.HHE. 2022-07-04T01:59:55.05 1.0 undecidable manual P 319 78.5658 108 0.47 23
IV.MTTG.HHE. 2022-07-04T01:59:54.89 0.6 undecidable manual P 351 80.8635 107 -0.03 49
IV.HAVL.HHZ. 2022-07-04T01:59:54.11 0.1 positive manual P 241 73.7706 109 0.24 96
IY.CNDF.HHN.00 2022-07-04T01:59:54.55 0.3 undecidable manual P 0 79.8645 108 -0.22 71
IV.HCRL.HHZ. 2022-07-04T01:59:53.88 0.1 undecidable manual P 270 72.1722 110 0.24 96
1J.FX14.HHZ.00 2022-07-04T01:59:53.59 0.6 undecidable manual P 4 71.7726 110 0.01 50
IV.SSY.HHZ. 2022-07-04T01:59:53.41 0.1 undecidable manual P 259 69.9744 110 0.08 100
IV.MPAZ.HHZ. 2022-07-04T01:59:53.90 0.6 undecidable manual P 10 75.5688 109 -0.24 48
1J.FX02.HHZ. 2022-07-04T01:59:52.63 0.3 undecidable manual P 260 64.1913 112 0.14 75
IV.HSRS.HNN. 2022-07-04T01:59:51.46 0.6 undecidable manual P 249 59.3961 114 -0.36 48
IV.FX13.HHZ. 2022-07-04T01:59:43.24 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.9 0.000053 1.2 AML other m 2022-07-04T02:00:00.10
IV.HAVL.HHE. ML:0.0 0.00005964999999999999 0.28 AML other m 2022-07-04T02:00:04.25
IV.HAVL.HHN. ML:0.0 0.0000669 0.4 AML other m 2022-07-04T02:00:04.12
IV.SSY.HHE. ML:0.0 0.0001285 0.96 AML other m 2022-07-04T02:00:04.34
IV.SSY.HNE. ML:0.0 0.00007515 0.88 AML other m 2022-07-04T02:00:04.35
IV.HCRL.HHN. ML:0.0 0.0000539 1 AML other m 2022-07-04T02:00:04.37
IV.SSY.HHN. ML:0.0 0.00027100000000000003 0.66 AML other m 2022-07-04T02:00:05.34
IV.SSY.HNN. ML:0.0 0.0000765 0.38 AML other m 2022-07-04T02:00:05.54
IV.HCRL.HHE. ML:0.0 0.00006984999999999999 0.88 AML other m 2022-07-04T02:00:05.22
IV.HLNI.HHE. ML:0.0 0.0001115 1.36 AML other m 2022-07-04T02:00:06.26
IV.HLNI.HHN. ML:0.0 0.00013550000000000001 1.06 AML other m 2022-07-04T02:00:07.10
IV.ISPIC.EHE. ML:0.0 0.00007355 0.16 AML other m 2022-07-04T02:00:10.58
IV.ISPIC.EHN. ML:0.0 0.000049000000000000005 0.24 AML other m 2022-07-04T02:00:10.85
IV.HVIT.HHN. ML:0.0 0.0000639 0.54 AML other m 2022-07-04T02:00:16.47
IV.MUCR.HHN. ML:2.0 0.00006775000000000001 0.42 AML other m 2022-07-04T02:00:18.12
IV.HVIT.HHE. ML:0.0 0.000042749999999999996 1.12 AML other m 2022-07-04T02:00:19.11
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