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Author
Date and time	2011-08-20 01:25:00.6 UTC
Latitude	-22.547
Longitude	-174.787
Depth	10
Magnitude	5.5 Mw
Region	TONGA REGION
Latest update	2016-04-19 07:23:15.3 UTC

rms	1.66 s
N° phases used for the localisation	190
N° stations used for the localisation	190
Gap	108.0 °
95% confidence ellipse
semi major	11.60
semi minor	6.20
Azimuth	144 °
Location Type	manual

Download data for this event

Note: links can take up to 20 minutes from the earthquake to become available

code	Distance°	EvAz	A/M	Phase	Pick time	Residual	T
RAO	7.250	202	M	Pn	2011-08-20 01:26:45.1	-1.40	T
MSVF	8.260	304	M	Pn	2011-08-20 01:27:01.4	0.90	T
DZM	17.380	268	A	P	2011-08-20 01:29:08.0	3.40	T
BKZ	18.160	202	M	Pn	2011-08-20 01:29:10.7	-2.20	T
THZ	21.770	206	M	P	2011-08-20 01:29:50.7	-1.80	T
KHZ	22.080	204	M	P	2011-08-20 01:29:53.8	-1.90	T
LTZ	22.880	205	M	P	2011-08-20 01:30:01.7	-2.60	T
OXZ	23.430	205	M	P	2011-08-20 01:30:10.1	0.10	T
RPZ	24.150	206	M	P	2011-08-20 01:30:15.5	-1.30	T
FOZ	24.590	208	M	P	2011-08-20 01:30:17.5	-3.20	T
LBZ	25.050	206	M	P	2011-08-20 01:30:26.1	1.10	T
ARMA	30.980	248	M	P	2011-08-20 01:31:21.5	3.40	T
EIDS	31.270	258	M	P	2011-08-20 01:31:20.5	0.00	T
CAN	33.970	240	M	P	2011-08-20 01:31:42.1	-2.10	T
CMSA	36.160	247	A	P	2011-08-20 01:32:03.9	0.80	T
CTAO	36.310	266	M	P	2011-08-20 01:32:03.7	-0.70	T
CTA	36.310	266	M	P	2011-08-20 01:32:04.0	-0.40	T
TOO	37.210	237	A	P	2011-08-20 01:32:16.0	3.90	T
QLP	37.370	255	A	P	2011-08-20 01:32:13.1	-0.30	T
MTSU	38.510	269	A	P	2011-08-20 01:32:23.1	0.00	T
PMG	38.720	284	M	P	2011-08-20 01:32:25.7	0.90	T
STKA	39.670	247	M	P	2011-08-20 01:32:33.8	1.10	T
ARPS	39.930	239	A	P	2011-08-20 01:32:37.9	3.00	T
COEN	40.710	275	M	P	2011-08-20 01:32:39.8	-1.60	T
QIS	42.340	264	A	P	2011-08-20 01:32:56.1	1.30	T
BBOO	44.380	246	M	P	2011-08-20 01:33:08.8	-2.40	T
AS01	46.950	258	M	P	2011-08-20 01:33:29.7	-1.90	T
AS31	47.000	258	M	P	2011-08-20 01:33:31.2	-0.70	T
WB2	47.300	263	M	P	2011-08-20 01:33:32.2	-2.00	T
WRAB	47.300	263	M	P	2011-08-20 01:33:32.8	-1.40	T
GENI	47.960	288	A	P	2011-08-20 01:33:40.4	1.10	T
FORT	51.270	248	M	P	2011-08-20 01:34:03.7	-0.90	T
GUMO	53.410	308	M	P	2011-08-20 01:34:20.6	0.20	T
KNRA	53.520	267	M	P	2011-08-20 01:34:22.0	0.70	T
FAKI	54.870	283	M	P	2011-08-20 01:34:33.0	1.90	T
SOEI	59.550	272	M	P	2011-08-20 01:35:06.5	2.10	T
MBWA	60.340	258	M	P	2011-08-20 01:35:09.6	0.00	T
MMRI	61.820	272	M	P	2011-08-20 01:35:21.2	1.50	T
LUWI	64.240	280	M	P	2011-08-20 01:35:38.0	2.20	T
KAPI	65.440	275	M	P	2011-08-20 01:35:43.5	-0.10	T
QSPA	67.530	180	M	P	2011-08-20 01:35:59.0	1.60	T
JAGI	69.350	269	M	P	2011-08-20 01:36:08.9	0.50	T
KKM	73.160	284	M	P	2011-08-20 01:36:31.0	-0.50	T
MAJO	73.640	322	M	P	2011-08-20 01:36:33.9	-0.40	T
MJB9	73.640	322	M	P	2011-08-20 01:36:34.0	-0.30	T
JOW	73.770	309	M	P	2011-08-20 01:36:34.2	-0.80	T
CISI	75.540	268	M	P	2011-08-20 01:36:48.2	2.90	T
KUR	75.550	334	M	P	2011-08-20 01:36:44.9	-0.40	T
JNU	75.820	315	M	P	2011-08-20 01:36:47.7	0.80	T
KSM	76.650	277	M	P	2011-08-20 01:36:51.3	-0.30	T
ASAJ	76.960	330	M	P	2011-08-20 01:36:52.8	-0.60	T
YULB	77.120	302	M	P	2011-08-20 01:36:52.6	-1.60	T
NACB	77.290	303	M	P	2011-08-20 01:36:54.4	-0.80	T
SKR	77.300	342	M	P	2011-08-20 01:36:53.6	-1.60	T
TPUB	77.590	302	M	P	2011-08-20 01:36:54.0	-2.90	T
TATO	77.800	304	M	P	2011-08-20 01:36:57.9	-0.10	T
PET	78.710	344	A	P	2011-08-20 01:37:03.1	0.00	T
PFO	78.750	46	M	P	2011-08-20 01:37:05.5	2.00	T
CMB	78.990	41	M	P	2011-08-20 01:37:05.3	0.60	T
PEA0	79.040	344	M	P	2011-08-20 01:37:02.0	-2.90	T
PEA0B	79.040	344	M	P	2011-08-20 01:37:02.6	-2.30	T
YSS	79.080	332	M	P	2011-08-20 01:37:05.5	0.40	T
AFDM	79.230	40	M	P	2011-08-20 01:37:07.2	1.20	T
ORV	79.310	39	M	P	2011-08-20 01:37:08.0	1.60	T
WDC	79.390	38	M	P	2011-08-20 01:37:08.3	1.50	T
GSC	79.540	45	M	P	2011-08-20 01:37:07.6	-0.10	T
WAKR	79.860	41	M	P	2011-08-20 01:37:10.7	1.10	T
PNTR	80.130	40	M	P	2011-08-20 01:37:12.1	0.90	T
TVH3	80.140	41	M	P	2011-08-20 01:37:12.0	0.80	T
TVH2	80.200	41	M	P	2011-08-20 01:37:12.4	0.90	T
TVH1	80.240	41	M	P	2011-08-20 01:37:12.4	0.50	T
YERR	80.280	41	M	P	2011-08-20 01:37:12.1	0.20	T
KS15	80.420	317	M	P	2011-08-20 01:37:13.6	1.20	T
KS01	80.430	317	M	P	2011-08-20 01:37:11.3	-1.20	T
HUMO	80.520	36	M	P	2011-08-20 01:37:12.5	-0.50	T
MAW	80.640	199	M	P	2011-08-20 01:37:14.8	1.30	T
PAHR	80.660	40	M	P	2011-08-20 01:37:14.2	0.30	T
TPNV	80.890	44	M	P	2011-08-20 01:37:15.6	0.50	T
INCN	81.230	317	M	P	2011-08-20 01:37:17.9	1.10	T
Y14A	81.280	48	M	P	2011-08-20 01:37:15.8	-1.30	T
SHPR	81.330	45	M	P	2011-08-20 01:37:17.0	-0.50	T
W13A	81.350	46	M	P	2011-08-20 01:37:19.7	2.10	T
MOD	81.530	38	M	P	2011-08-20 01:37:18.8	0.30	T
VLA	81.680	324	M	P	2011-08-20 01:37:19.5	0.40	T
K05A	81.740	37	M	P	2011-08-20 01:37:19.1	-0.60	T
TUC	81.930	50	M	P	2011-08-20 01:37:20.8	0.30	T
BMN	82.400	41	M	P	2011-08-20 01:37:22.3	-0.80	T
X16A	82.620	48	M	P	2011-08-20 01:37:24.4	0.10	T
WVOR	82.820	38	M	P	2011-08-20 01:37:24.3	-1.00	T
LCMT	82.870	45	M	P	2011-08-20 01:37:26.2	0.70	T
E03A	82.890	33	M	P	2011-08-20 01:37:25.1	-0.30	T
CCUT	83.100	45	M	P	2011-08-20 01:37:27.7	0.90	T
KNB	83.150	45	M	P	2011-08-20 01:37:27.4	0.40	T
U15A	83.170	46	M	P	2011-08-20 01:37:26.9	-0.40	T
WUAZ	83.280	47	M	P	2011-08-20 01:37:28.5	0.80	T
SZCU	83.310	45	M	P	2011-08-20 01:37:28.7	0.80	T
NLWA	83.320	32	M	P	2011-08-20 01:37:29.1	1.40	T
X18A	83.720	49	M	P	2011-08-20 01:37:29.9	-0.10	T
PKCU	83.730	45	M	P	2011-08-20 01:37:33.2	3.00	T
LON	83.920	34	M	P	2011-08-20 01:37:28.8	-2.00	T
D05A	84.120	33	M	P	2011-08-20 01:37:33.2	1.40	T
MTPU	84.150	45	M	P	2011-08-20 01:37:31.7	-0.70	T
MSU	84.420	44	M	P	2011-08-20 01:37:33.5	-0.10	T
TLIG	84.510	69	M	P	2011-08-20 01:37:34.5	0.60	T
HAWA	84.860	35	M	P	2011-08-20 01:37:35.4	-0.10	T
DUG	84.970	43	M	P	2011-08-20 01:37:37.8	1.50	T
MFID	85.050	39	M	P	2011-08-20 01:37:35.5	-1.10	T
BMO	85.090	37	M	P	2011-08-20 01:37:35.1	-1.70	T
NLU	85.300	43	M	P	2011-08-20 01:37:39.9	1.90	T
SPU	85.430	11	M	P	2011-08-20 01:37:37.5	-1.00	T
TMUT	85.480	44	M	P	2011-08-20 01:37:38.9	-0.10	T
MNTX	85.530	53	M	P	2011-08-20 01:37:38.8	-0.10	T
D08A	85.610	35	M	P	2011-08-20 01:37:38.5	-0.80	T
LAZ	85.620	50	M	P	2011-08-20 01:37:40.0	0.40	T
TX31	85.680	56	M	P	2011-08-20 01:37:39.3	-0.40	T
E09A	85.680	35	M	P	2011-08-20 01:37:40.0	0.40	T
KLR	85.820	328	M	P	2011-08-20 01:37:40.5	0.20	T
SRU	85.820	45	M	P	2011-08-20 01:37:40.8	0.20	T
F10A	85.830	36	M	P	2011-08-20 01:37:40.0	-0.50	T
SPUT	85.830	42	M	P	2011-08-20 01:37:41.3	0.70	T
BNM	85.860	51	M	P	2011-08-20 01:37:41.0	0.20	T
SNAA	85.870	178	M	P	2011-08-20 01:37:40.7	0.10	T
HVU	85.900	42	M	P	2011-08-20 01:37:40.6	-0.30	T
LPM	85.940	50	M	P	2011-08-20 01:37:41.7	0.60	T
HLID	85.960	39	M	P	2011-08-20 01:37:41.8	0.50	T
B08A	86.240	33	M	P	2011-08-20 01:37:40.7	-1.70	T
IPM	86.340	276	M	P	2011-08-20 01:37:43.6	0.70	T
ANMO	86.380	50	M	P	2011-08-20 01:37:42.1	-1.20	T
TT01	86.450	9	M	P	2011-08-20 01:37:41.1	-2.30	T
TTA	86.480	9	M	P	2011-08-20 01:37:41.3	-2.40	T
LLLB	86.480	31	M	P	2011-08-20 01:37:43.6	0.00	T
MA2	86.570	343	M	P	2011-08-20 01:37:41.1	-2.90	T
BMRM	86.730	14	M	P	2011-08-20 01:37:43.5	-1.40	T
SCM	86.920	13	M	P	2011-08-20 01:37:45.0	-0.90	T
KULM	87.000	277	M	P	2011-08-20 01:37:46.6	0.50	T
CAST	87.520	10	M	P	2011-08-20 01:37:45.9	-2.80	T
MCMT	87.610	39	M	P	2011-08-20 01:37:50.3	0.90	T
KTH	87.840	10	M	P	2011-08-20 01:37:48.0	-2.30	T
SKAG	87.890	19	M	P	2011-08-20 01:37:53.0	2.60	T
FXWY	88.020	41	M	P	2011-08-20 01:37:52.8	1.50	T
RND	88.070	11	M	P	2011-08-20 01:37:48.6	-2.80	T
SMCO	88.200	46	M	P	2011-08-20 01:37:52.8	0.40	T
GSI	88.310	272	M	P	2011-08-20 01:37:53.9	1.50	T
MCK	88.350	11	M	P	2011-08-20 01:37:50.1	-2.50	T
BW06	88.430	42	M	P	2011-08-20 01:37:53.0	-0.30	T
PD31	88.430	42	M	P	2011-08-20 01:37:54.0	0.70	T
SDCO	88.460	48	M	P	2011-08-20 01:37:53.3	-0.20	T
CHMT	88.590	37	M	P	2011-08-20 01:37:56.4	2.40	T
BOZ	88.790	39	M	P	2011-08-20 01:37:54.2	-0.70	T
WRH	89.180	11	M	P	2011-08-20 01:37:54.9	-1.60	T
DOT	89.230	13	M	P	2011-08-20 01:37:55.5	-1.30	T
CCB	89.390	11	M	P	2011-08-20 01:37:55.5	-2.00	T
WALA	89.490	35	M	P	2011-08-20 01:37:58.4	0.30	T
COLA	89.590	11	M	P	2011-08-20 01:37:56.9	-1.50	T
ILB	89.670	12	M	P	2011-08-20 01:37:57.1	-1.70	T
DAWY	90.630	15	M	P	2011-08-20 01:38:01.2	-2.20	T
EGAK	90.840	14	M	P	2011-08-20 01:38:03.2	-1.00	T
COLD	91.370	9	M	P	2011-08-20 01:38:06.1	-0.60	T
EDM	92.220	32	M	P	2011-08-20 01:38:10.8	0.10	T
RSSD	92.580	43	M	P	2011-08-20 01:38:14.3	1.70	T
CM01	93.580	288	M	P	2011-08-20 01:38:18.2	1.30	T
CHTO	93.740	289	M	P	2011-08-20 01:38:18.9	1.30	T
DGMT	94.590	39	M	P	2011-08-20 01:38:22.6	1.00	T
YAK	95.140	337	M	P	2011-08-20 01:38:21.6	-2.40	T
ECSD	97.200	46	M	P	2011-08-20 01:38:32.4	-1.00	T
SONA1	99.260	318	M	P	2011-08-20 01:38:41.7	-1.20	T
AAK	119.910	307	M	PKIKP	2011-08-20 01:43:49.2	-2.30	T
BRVK	122.630	320	M	PKIKP	2011-08-20 01:43:55.0	-1.50	T
KBL	123.490	297	M	PKIKP	2011-08-20 01:43:59.6	1.20	T
ARU	128.580	325	M	PKIKP	2011-08-20 01:44:06.2	-1.60	T
HEF	132.750	351	M	PKIKP	2011-08-20 01:44:18.5	2.70	T
OBN	139.960	332	M	PKIKP	2011-08-20 01:44:28.8	-0.30	T
PTK	146.640	307	M	PKIKP	2011-08-20 01:44:42.9	1.80	T
MALT	147.540	307	M	PKIKP	2011-08-20 01:44:45.0	2.50	T
MALT	147.540	307	A	P	2011-08-20 01:44:45.5	3.00	T
RSDY	147.580	311	M	PKIKP	2011-08-20 01:44:46.0	3.50	T
GKP	147.980	346	M	PKIKP	2011-08-20 01:44:46.2	3.10	T
BSEG	148.420	354	M	PKIKP	2011-08-20 01:44:47.3	3.50	T
MEZF	154.100	0	A	P	2011-08-20 01:44:55.2	2.70	T
HAU	154.580	358	A	P	2011-08-20 01:44:56.4	3.20	T
LOR	155.310	2	A	P	2011-08-20 01:44:56.6	2.40	T
SSF	155.500	3	A	P	2011-08-20 01:44:57.0	2.60	T
TCF	156.190	5	A	P	2011-08-20 01:44:57.5	2.10	T
LPG	157.070	357	A	P	2011-08-20 01:44:59.7	2.80	T
FNA	157.270	327	M	PKIKP	2011-08-20 01:45:00.2	3.40	T
ORIF	157.680	359	A	P	2011-08-20 01:45:01.1	3.70	T
MBDF	157.840	357	A	P	2011-08-20 01:45:00.4	2.80	T
EPF	159.170	10	A	P	2011-08-20 01:45:02.0	2.90	T
EBAD	160.750	30	M	PKIKP	2011-08-20 01:45:04.1	3.30	T
RETOR	160.780	17	M	PKIKP	2011-08-20 01:45:04.5	3.50	T