Earthquake Costa Siracusana (Siracusa), Magnitude ML 2.1, 19 December 2022 time 08:42:25 (Timezone UTC)

A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on

19-12-2022 08:42:25 (UTC)
19-12-2022 09:42:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.1210, 15.5460 at 9 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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Display location by

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to

23 Km E of Siracusa (122291 inhabitants)

59 Km SE of Catania (314555 inhabitants)

64 Km SE of Acireale (52622 inhabitants)

75 Km E of Modica (54633 inhabitants)

76 Km E of Ragusa (73313 inhabitants)

91 Km E of Vittoria (63339 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 2.1	2022-12-19 08:42:25	37.1213	15.5455	9	2024-03-01 15:28:15	Bollettino Sismico Italiano INGV	113515731
Reviewed Rev100	ML 2.2	2022-12-19 08:42:25	37.1263	15.5433	9	2022-12-19 08:49:31	Sala Sismica INGV-Roma	112944801

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2022-12-19 08:42:25 ± 0.13
Latitude	37.1213 ± 0.0054
Longitude	15.5455 ± 0.0068
Depth (km)	9 ± 0 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	113515731

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	631
Semi-minor axis of confidence ellipse (meter)	502
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	137
Circular confidence region, given by single value of horizontal uncertainty (meter)	630.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	261
Number of associated phases, regardless of their use for origin computation	28
Number of defining phases	21
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.14
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.88493
Number of stations at which the event was observed	16
Number of stations from which data was used for origin computation	11

Magnitudes information

ML:2.1

Field	Value
Value	2.1
Uncertainty	0.3
Num. used stations	14
Type of magnitude	ML
Reference to an origin	113515731
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2023-06-14 09:04:19

ML:2.2

Field	Value
Value	2.2
Uncertainty	0.2
Num. used stations	12
Type of magnitude	ML
Reference to an origin	112944801
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2022-12-19 08:49:31

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.GATE.HHZ.	2022-12-19T08:44:00.15	3.0	undecidable	manual	Sn				-7.11	0
IV.MMO1.EHZ.	2022-12-19T08:43:52.70	3.0	positive	manual	Pg				13.34	0
IV.LPEL.HHZ.	2022-12-19T08:43:39.70	3.0	undecidable	manual	Pg				14.02	0
IV.SPS2.HHZ.	2022-12-19T08:43:07.55	3.0	undecidable	manual	Sn				-5.91	0
IV.ALJA.HHZ.	2022-12-19T08:43:01.00	3.0	undecidable	manual	Sn				0.16	0
IV.HVZN.HHZ.	2022-12-19T08:42:49.01	0.6	undecidable	manual	S	275	73.6707	50	0.63	40
IV.HMDC.HHZ.	2022-12-19T08:42:47.39	0.6	undecidable	manual	S	255	69.8745	50	0.02	47
IV.SPS2.HHZ.	2022-12-19T08:42:46.21	3.0	positive	manual	Pn				-0.61	0
IT.LNT.HGZ.	2022-12-19T08:42:42.48	0.6	undecidable	manual	S	291	51.4152	50	0.03	48
IV.AIO.HHE.	2022-12-19T08:42:42.93	0.3	undecidable	manual	P	344	98.2239	50	0.28	63
IV.ALJA.HHZ.	2022-12-19T08:42:41.02	3.0	negative	manual	Pn				1.29	0
IV.HCRL.HHZ.	2022-12-19T08:42:41.76	0.3	undecidable	manual	S	292	48.7179	50	0.03	73
IV.SSY.HHZ.	2022-12-19T08:42:39.84	0.3	undecidable	manual	S	276	41.9247	50	-0.07	73
IV.HAVL.HHZ.	2022-12-19T08:42:39.84	0.3	undecidable	manual	S	245	41.5251	50	0.02	74
IV.HAGA.HHZ.	2022-12-19T08:42:38.99	0.3	undecidable	manual	S	298	39.0276	50	-0.14	72
IV.HVZN.HHZ.	2022-12-19T08:42:38.91	0.3	undecidable	manual	P	275	73.6707	50	0.04	69
1J.FX02.HHZ.	2022-12-19T08:42:38.62	0.6	undecidable	manual	S	280	36.741	50	0.09	49
IV.HMDC.HHZ.	2022-12-19T08:42:37.99	0.3	undecidable	manual	P	255	69.8745	50	-0.3	66
IV.AGST.EHZ.	2022-12-19T08:42:37.06	0.3	undecidable	manual	S	298	31.8459	50	-0.17	73
IV.HSRS.HHZ.	2022-12-19T08:42:36.39	0.3	undecidable	manual	S	264	28.749	108	0	76
IT.LNT.HGZ.	2022-12-19T08:42:35.57	0.3	undecidable	manual	P	291	51.4152	50	0.12	71
IV.HCRL.HHZ.	2022-12-19T08:42:34.99	0.1	undecidable	manual	P	292	48.7179	50	-0.04	96
1J.FX02.HHZ.	2022-12-19T08:42:33.21	0.6	undecidable	manual	P	280	36.741	50	0.02	49
IV.SSY.HHZ.	2022-12-19T08:42:33.96	0.3	undecidable	manual	P	276	41.9247	50	-0.02	74
IV.HAGA.HHZ.	2022-12-19T08:42:33.40	0.1	undecidable	manual	P	298	39.0276	50	-0.13	96
IV.HAVL.HHZ.	2022-12-19T08:42:33.95	0.1	undecidable	manual	P	245	41.5251	50	0.02	98
IV.AGST.EHZ.	2022-12-19T08:42:32.36	0.3	undecidable	manual	P	298	31.8459	50	-0.08	74
IV.HSRS.HHZ.	2022-12-19T08:42:31.99	0.1	undecidable	manual	P	264	28.749	108	0.04	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.HSRS.HHE.	ML:1.5	0.00014911142	0.1792	AML	other	m	2022-12-19T08:42:36.59
IV.AGST.EHE.	ML:1.9	0.00034453245	0.32	AML	other	m	2022-12-19T08:42:37.19
IV.AGST.EHN.	ML:2.1	0.00057290515	0.2432	AML	other	m	2022-12-19T08:42:37.40
IV.HSRS.HHN.	ML:1.2	0.00007906181499999999	0.416	AML	other	m	2022-12-19T08:42:37.19
IV.SSY.HHE.	ML:2.3	0.0006295	0.74	AML	other	m	2022-12-19T08:42:40.61
IV.HAVL.HHN.	ML:2.0	0.0003075	0.1	AML	other	m	2022-12-19T08:42:40.73
IV.HAVL.HHE.	ML:1.9	0.00027400000000000005	0.96	AML	other	m	2022-12-19T08:42:40.37
IV.HCRL.HHN.	ML:2.1	0.0003735	1.52	AML	other	m	2022-12-19T08:42:41.97
IV.SSY.HHN.	ML:2.8	0.00198	0.8	AML	other	m	2022-12-19T08:42:42.83
IV.SSY.HNE.	ML:2.2	0.0004895	0.8	AML	other	m	2022-12-19T08:42:42.83
IV.SSY.HNN.	ML:2.2	0.0004755	0.8	AML	other	m	2022-12-19T08:42:42.83
IV.HCRL.HHE.	ML:2.2	0.00042449999999999996	1.54	AML	other	m	2022-12-19T08:42:42.08
IV.ALJA.HHN.	ML:2.4	0.00009485	0.06	AML	other	m	2022-12-19T08:43:01.24
IV.ALJA.HHE.	ML:2.5	0.000121	0.06	AML	other	m	2022-12-19T08:43:01.22

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download
Waveforms	Seismic signals in miniseed + resp format	Download

Earthquake with magnitude of ML 2.1 on date 19-12-2022 and time 08:42:25 (UTC) in region Costa Siracusana (Siracusa)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.1

ML:2.2